| KOMATSU LTD. Patent applications |
| Patent application number | Title | Published |
|---|
| 20160138240 | CONSTRUCTION MACHINE CONTROL SYSTEM, CONSTRUCTION MACHINE, AND CONSTRUCTION MACHINE CONTROL METHOD - A control system includes: a control valve control unit that controls a control valve; a data acquisition unit that acquires data on an operation command value and a cylinder speed in a state where an operation command for operating a hydraulic cylinder is output; and a deriving unit that derives operation characteristics in an operation direction of each of a plurality of hydraulic cylinders in relation to the operation command value based on the data acquired by the data acquisition unit. In acquisition of the data by the data acquisition unit, the control valve control unit controls a control valve of one pilot oil passage that is an acquisition object where the data is acquired among the plurality of pilot oil passages to open one pilot oil passage and controls control valves of the other pilot oil passages to close the other pilot oil passages. | 05-19-2016 |
| 20160130786 | WORK VEHICLE AND METHOD OF CONTROLLING SAME - A controller includes a neutral control determination unit, a forward-reverse clutch control unit, and a commanded torque setting unit. The neutral control determination unit executes quasi-neutral control when a quasi-neutral control determination condition is satisfied. The quasi-neutral control determination condition includes cases where the forward-reverse operation member is in the neutral position. The forward-reverse clutch control unit keeps the forward-travel clutch or the reverse-travel clutch engaged during the quasi-neutral control. During quasi-neutral control, the commanded torque setting unit determines a commanded torque sent to the motor so that a neutral state is set where the output torque from the power transmission device to the travel device is kept at a prescribed value regardless of the drive power output from the engine. | 05-12-2016 |
| 20160124050 | STORAGE BATTERY TYPE VEHICLE, CHARGE MANAGEMENT SYSTEM, AND CHARGE MANAGEMENT METHOD - A storage battery type vehicle configured to charge a storage battery mounted on a vehicle via a charging cable connecting the vehicle to a stationary battery charger fixed outside the vehicle, the storage battery type vehicle including: a state information acquisition unit configured to acquire state information of the stationary battery charger via the charging cable; and a communication unit configured to transmit the state information to outside. | 05-05-2016 |
| 20160114837 | CAB AND WORK MACHINE - A base has a second bracket extending toward a back panel. A controller main body is arranged between the base and the back panel, and fixed to the second bracket. In a plan view, at least a part of the controller main body is arranged between the base and the floor portion so as to overlap with the base, and a bolt fixing the controller main body to the second bracket is arranged between a rear end of the base and the back panel. | 04-28-2016 |
| 20160102445 | WHEEL LOADER - A wheel loader includes: a mechanical drive unit; an HST pump that feeds a hydraulic oil for travelling; an accessory hydraulic pump that feeds a hydraulic oil for a bucket; first and second hydraulic motors driven by the hydraulic oil from the HST pump; and a power combining unit configured to combine powers of the first and second hydraulic motors with a power of the mechanical drive unit, in which the mechanical drive unit is provided between an engine shaft to an output shaft with a shaft center, the power combining unit is configured to combine the power of the mechanical drive unit with the powers of the first and second hydraulic motors at a position above the output shaft, and the first and second combining gears and a gear, to which combined powers are transmitted, are disposed between the first and second hydraulic motors and the output shaft. | 04-14-2016 |
| 20160068206 | CRAWLER BELT AND MASTER LINK FOR CRAWLER BELT - A crawler belt and a master link for use in the crawler belt enable easy connection and disconnection of the crawler belt. The crawler belt has a track chain in which a plurality of regular links are pivotally connected at their ends, the master link for connecting the of the track chain to form the crawler belt into a loop, and track shoes attached to the regular links and the master link respectively. The crawler belt has a slit aperture which leads only to a pin insertion hole formed at the other end of the master link and is configured such that a clamping force, generated by tightening a master bolt that imparts a tightening force to the master link to narrow the slit aperture, is allowed to work on only the regular pin inserted into a pin insertion hole leading to the slit aperture. | 03-10-2016 |
| 20160059854 | TRANSPORTER VEHICLE AND TRANSPORTER VEHICLE CONTROL METHOD - A transporter vehicle includes: a vehicle; an object detection device which includes a detection area at a front side of the vehicle and detects an object at the front side of the vehicle; a process system capable of performing a process for reducing damage caused by a collision; a specific detection area setting unit which sets a specific detection area having a width of a first dimension in a width direction of the vehicle and a length of a second dimension in a traveling direction of the vehicle in the detection area; a collision determination unit which determines whether an object exists in the specific detection area based on a detection result of the object detection device; and a control unit which outputs a signal for reducing damage caused by the collision to the process system based on a determination result of the collision determination unit. | 03-03-2016 |
| 20160053463 | WORK VEHICLE - A wheel loader includes an engine, an engine compartment, an injection device, a top plate and a first guide member. The injection device is disposed in the engine compartment. The top plate has a ventilation part. The ventilation part is disposed in a position horizontally away from the injection device. The first guide member has a guide body. The guide body is disposed along the top plate to direct air existing over the injection device to the ventilation part. | 02-25-2016 |
| 20160040398 | CONSTRUCTION MACHINE CONTROL SYSTEM AND METHOD OF CONTROLLING CONSTRUCTION MACHINE - A control method includes: detecting an attitude of a work machine including a boom, an arm, and a bucket; operating an operating device to drive a movable member including the arm and the bucket; detecting an amount of operation of the operating device; generating position data of a cutting edge of the bucket based on the detected attitude; acquiring a target shape of an excavation object to be excavated by the work machine and calculating a distance between the cutting edge and the target shape based on the position data and the target shape; setting a limited amount of operation limiting a speed of the movable member based on the detected amount of operation; and outputting a signal to a valve that adjusts an amount of operating oil supplied to a hydraulic cylinder driving the work machine so that the movable member is driven with the limited amount of operation. | 02-11-2016 |
| 20160040394 | WORK VEHICLE AND CONTROL METHOD FOR SAME - When a clutch is in the disengaged state, the predicted engagement time determining unit determines a predicted engagement time. The predicted engagement time is the predicted value for the time required from the beginning of the clutch engagement until engagement is complete. The speed ratio parameter estimating unit determines an estimated value for a speed ratio parameter after the elapse of the predicted engagement time from the current point in time. When the estimated value for the speed ratio parameter reaches a mode-switching threshold value, a clutch control unit outputs a clutch command signal for causing the clutch to engage. | 02-11-2016 |
| 20160040391 | WORK VEHICLE AND METHOD OF CONTROLLING WORK VEHICLE - A work vehicle includes: a body; a boom which is supported by the body and is turned; a bucket which is supported by a side of the boom opposite to a side of the body and is turned; a boom driving part which turns the boom; a bucket driving part which turns the bucket; a lifting force detector which detects lifting force as force that the boom driving part receives from the boom; and a control device which starts a tilt operation of the bucket when a predetermined condition is established, and ends the tilt operation on the basis of an amount of increase of the lifting force from a time when the tilt operation is started. | 02-11-2016 |
| 20160032563 | WORK VEHICLE AND CONTROL METHOD FOR SAME - A control unit has a connection determining unit and a motor switch control unit. The connection determining unit determines whether assistance from a third motor is required or not. The third motor is set to a connected state when the connection determining unit determines that assistance from the third motor is required. The motor switch control unit controls the motor switching mechanism so that the third motor is set to a disconnected state when the connection determining unit determines that assistance from the third motor is not required. | 02-04-2016 |
| 20160031448 | WORK VEHICLE AND CONTROL METHOD FOR WORK VEHICLE - A work vehicle includes: a first control system that controls a traveling of a work vehicle; a second control system that controls the traveling of the work vehicle via the first control system by using set information; a first communication line used for communication between the first control system and the second control system; and a second communication line that transmits information to the first control system from the second control system, wherein the second control system generates information for controlling an engine of the work vehicle and information for controlling a brake device of the work vehicle, and transmits the information for controlling the engine and the information for controlling the brake device to the first control system via the second communication line by an information transmission system different from an information transmission system by the first communication line. | 02-04-2016 |
| 20160024754 | WORK VEHICLE AND CONTROL METHOD FOR SAME - A work vehicle includes a control unit having a motor switch control unit and a motor command determining unit. The motor switch control unit controls a motor switching mechanism so that a third motor connects to a first motor when a first rotation speed is less than a second rotation speed. The first rotation speed is the rotation speed of the first motor corresponding to that of a rotating shaft of the third motor. The second rotation speed is the rotation speed of the second motor corresponding to that of a rotating shaft of the third motor. When the third motor is connected to the first motor, the motor command determining unit determines a command torque for the first motor and the third motor so that the command torque for the third motor is no more than the command torque for the first motor. | 01-28-2016 |
| 20160016512 | WORKING VEHICLE PERIMETER MONITORING SYSTEM AND WORKING VEHICLE - A working vehicle perimeter monitoring system includes: a plurality of object detecting devices which are attached to a working vehicle and detect an object existing in a periphery of the working vehicle; and a controller which enables or disables of a generation of an alarm notifying an existence of the object based on a detection value of the object detecting device and a predetermined threshold value and sets the predetermined threshold value to be different inside and outside a predetermined region set in the periphery of the working vehicle based on an operation range of the working vehicle. | 01-21-2016 |
| 20160003359 | OIL SEAL - An oil seal, which is provided on an outer circumference of a crankshaft to prevent leakage of two fluids such as a lubricating oil and an engine oil, includes: a first seal that seals a flywheel side; a second seal that seals an engine side; a pressure release hole provided to at least one of the first seal and the second seal so that a space surrounded by the first seal, the second seal and the crankshaft is in communication with one of the flywheel side and the engine side through the pressure release hole; and a partitioning lip provided between the first seal and the second seal to divide the space. | 01-07-2016 |
| 20150377112 | REDUCING AGENT TANK AND WORK VEHICLE - A reducing agent tank is provided which enables detachment of a top cover and a heat exchanger while maintaining a long path length of a heat exchanger in a reducing agent tank. A first pipeline and a second pipeline respectively have extension portions which extend from lower ends of a suspended portion along a bottom face toward a side face of a container main body, and rising portions which extend from leading ends of the extension portions along the side face toward an upper face of the container main body. A length of the extension portions along the bottom face is larger than a maximum inside length of an opening. The rising portions and a turning portion form a leading end bent portion, and a rising length of the leading end bent portion is smaller than a minimum inside length passing through a center of the opening. | 12-31-2015 |
| 20150376867 | WORK VEHICLE - A work vehicle is provided with an engine, and engine compartment, a cooling chamber, a radiator, a cooling fan, a dividing wall, and a cover. The cooling fan is arranged inside the cooling chamber and discharges air toward a direction that is isolated from the engine compartment. The dividing wall separates the engine compartment and the cooling chamber. The dividing wall includes a passage opening that links the engine compartment and the cooling chamber. The cover includes a main cover section, and a connecting section. The main cover section is arranged inside the cooling chamber next to the dividing wall with a gap therebetween. The main cover section is arranged to face the passage opening. The connecting section includes an open region. The connecting section connects the main cover section and the dividing wall. | 12-31-2015 |
| 20150369103 | ENGINE UNIT AND WORK VEHICLE - Two sets of assemblies are arranged such that a diesel particulate filter device of the assembly, a selective catalytic reduction device of the assembly, a selective catalytic reduction device of the assembly, and a diesel particulate filter device of the assembly are located next to each other in this order. Exhaust tubes are provided to extend upward from gas outlets of the selective catalytic reduction device of the assembly and the selective catalytic reduction device of the assembly. The two exhaust tubes are located on a virtual plane orthogonal to longitudinal directions of the selective catalytic reduction devices of the assemblies. Thereby, an air intake position for an engine can be easily set to a position from which exhaust gas from the engine is less likely to be taken in, in a configuration provided with two sets of assemblies. | 12-24-2015 |
| 20150345991 | STROKE DETECTION DEVICE, STROKE DETECTION METHOD, STROKE DETECTION SYSTEM, OPERATION LEVER UNIT, AND OPERATION LEVER STROKE DETECTION SYSTEM - A stroke detection device includes: four rods provided, moveably along respective axial directions, side by side on a same circumference of a device body, the stroke detection device detecting a change in relative positions of the four rods at a time the rods perform a stroke with respect to the device body; a magnet disposed to each of the rods such that a magnetic field is generated between rods adjacent to each other on the circumference and that the magnetic field varies at a time the rods adjacent to each other on the circumference perform a stroke relatively; and magnetic field detection units disposed on at least three positions between the magnets adjacent to each other in the device body, each of the magnetic field detection unit detecting the magnetic field between the magnets and outputting an electric signal in accordance with the detected magnetic field. | 12-03-2015 |
| 20150345114 | DISPLAY SYSTEM OF EXCAVATING MACHINE, EXCAVATING MACHINE, AND DISPLAY COMPUTER PROGRAM OF EXCAVATING MACHINE - A display system of excavating machine includes a vehicle state detection unit configured to detect information related to a current position and a posture of the excavator as an excavating machine; a storage unit configured to store at least position information of a target surface indicating a target shape of an object to be worked; a bucket tilt detection unit configured to detect a tilt angle of the bucket; and a processing unit configured to obtain an angle between the edge and the target surface from a position of the edge of the bucket obtained based on the tilt angle of the bucket and the information related to a current position and a posture of the excavator and to display posture information indicating information related to a posture of the bucket on a screen of a display unit based on the obtained edge tilt angle. | 12-03-2015 |
| 20150345112 | WORK VEHICLE AND WORK VEHICLE CONTROL METHOD - A hydraulic excavator is provided with an arm cylinder, an arm switching valve, a sixth pilot pressure control valve, a sixth electromagnetic proportional valve, a sixth upstream pilot flow path, a sixth hydraulic pressure sensor, and a control section. The control section selects at least one item of current value information from a plurality of items of current value information on the basis of a hydraulic pressure that is detected by the sixth hydraulic pressure sensor. The control section is configured to set a current value of a current that is output to the sixth electromagnetic proportional valve on the basis of the current value information that is selected. | 12-03-2015 |
| 20150329242 | FIXING STRUCTURE OF RESIN TANK - A fixing structure of a resin tank for stably keeping the resin tank being fixed includes: a first holder having a predetermined length and being disposed corresponding to a pressed portion of a resin tank; a biasing member that is disposed in the first holder; a pressing member that is supported by the first holder and projects toward the pressed portion by a biasing force of the biasing member; and a pair of rods respectively having first ends attached to both ends of the first holder in a longitudinal direction and second ends attached to a frame. | 11-19-2015 |
| 20150326829 | SURROUNDINGS MONITORING SYSTEM, WORK VEHICLE, AND SURROUNDINGS MONITORING METHOD - A surroundings monitoring system includes: a detection device that is disposed in a work vehicle and configured to be able to detect an object around the work vehicle; an acquisition unit that acquires a command signal indicating an operation checking mode for inspecting the detection device; a determining unit that determines a quality of an operating state of the detection device based on a detection result of the detection device after the command signal is acquired; and a display device that displays identification information of the detection device of which the operating state is determined to be not good by the determining unit. | 11-12-2015 |
| 20150322645 | WORK VEHICLE AND CONTROL METHOD FOR SAME - The work implement requirement determination unit determines a work implement required horsepower on the basis of an operation amount of a work implement operating member and a hydraulic pressure of a hydraulic pump. A transmission requirement determination unit determines a transmission required horsepower on the basis of a vehicle speed and the operation amount of the accelerator operating member. An engine requirement determination unit determines an engine required horsepower on the basis of the work implement required horsepower and the transmission required horsepower. The required throttle determination unit determines a required throttle value based on an engine requirement. | 11-12-2015 |
| 20150315766 | HYBRID WORK MACHINE - A hybrid work machine includes: an engine; a generator motor; a storage battery; a motor; a transformer; a target engine speed calculation unit configured to calculate a target engine speed based on at least an engine load and an output state of the generator motor; a generation control unit configured to output a generator requesting minimum engine speed; an engine controlling target engine speed calculation unit configured to calculate and output an engine controlling target engine speed based on the target engine speed and the generator requesting minimum engine speed; an engine control unit configured to control an engine speed based on the engine controlling target engine speed; and an assist control unit configured to set the target engine speed to the generator controlling target engine speed and control engine assist based on the generator controlling target engine speed and the generator motor speed. | 11-05-2015 |
| 20150308826 | Measurement Jig - A measurement jig is attached to a target member in a form of a blade edge and is used for measuring a position of the target point in combination with a total station. The measurement jig includes a prism mirror that reflects a projected light from the total station, and an attachment member for attaching the prism mirror to the blade edge, in which a mirror center of the prism mirror is aligned with the target point. | 10-29-2015 |
| 20150308077 | MOTOR GRADER - A motor grader includes a fuel tank, a vehicle body frame, a left-side mount part, a right-side mount part, a rear-side mount part and a reducing agent tank. The left-side mount part and the right-side mount part are respectively disposed on a left lateral frame and a right lateral frame while being disposed on both sides of the fuel tank in a vehicle width direction, and fix the fuel tank to the vehicle body frame. The rear-side mount part is disposed on the left lateral frame in the vehicle width direction while being disposed rearward of the fuel tank, and fixes the fuel tank to the vehicle body frame. The reducing agent tank is disposed rearward of and adjacently to the fuel tank while being disposed on the right lateral frame side, and accumulates a reducing agent for processing an exhaust gas from an engine. | 10-29-2015 |
| 20150301518 | CONTROL METHOD, CONTROL COMPUTER PROGRAM, AND CONTROL SYSTEM FOR WORK MACHINE - A control method for a work machine, includes: acquiring a correlation between identification information for identifying operability for the work machine and operational information of the work machine, and generating a correlation between an operator who operates the work machine and the operational information by using the correlation between the identification information and the operational information and a correlation between the operator and the identification information. | 10-22-2015 |
| 20150300232 | ERROR RELEASING DEVICE FOR WORK VEHICLE AND ERROR RELEASING METHOD FOR WORK VEHICLE - An error releasing device for a work vehicle to release an error related to an exhaust gas treatment system when the error related to the exhaust gas treatment system has occurred includes: an input unit configured to input at least temporary input information; an authentication unit including a processing algorithm common with a processing algorithm of an external device that generates the temporary input information, and configured to authenticate the input temporary input information by using the processing algorithm; and an error release processing unit configured to release the error related to the exhaust gas treatment system when the temporary input information acquired from the external device by using inquiry information obtained through a predetermined operating procedure is input and further the temporary input information is authenticated by the authentication unit. | 10-22-2015 |
| 20150299989 | WORKING MACHINE AND METHOD OF MEASURING WORK AMOUNT OF WORKING MACHINE - A working maching includes: an operation state detection unit configured to detect a physical amount output according to an operation of an operation lever; a time integration unit configured to calculate a time integration value by performing time integration of the physical amount; a determination unit configured to cause the time integration value and a predetermined operating angle of an excavating and loading mechanism associated with the operation of the operation lever to correspond to each other, and to determine that the operation of the operation lever has been performed, at a time the time integration value becomes a predetermined integration value or more; and a counting unit configured to count number of times of a series of excavating and loading work. | 10-22-2015 |
| 20150299985 | HYBRID WORK MACHINE - A hybrid work machine includes: an engine; a generator motor connected to an output shaft of the engine; a storage battery configured to store power generated by the generator motor and supply power to the generator motor; a motor configured to be driven by at least one of power generated by the generator motor and power stored in the storage battery; a transformer disposed between the storage battery and both the generator motor and the motor; and a control unit configured to stop the transformer at a time of satisfying a plurality of conditions including a condition that the engine is in an idling state and a condition that a motor driving command to drive the motor is not output. | 10-22-2015 |
| 20150299981 | WHEEL LOADER - A wheel loader includes a cab, steps provided beside the cab, an engine disposed to the rear of the cab, a vehicle body cover covering the engine, and an air cleaner. The air cleaner has a filter exchangeable by being pulled out horizontally. The air cleaner is connected to the engine via an intake pipe. The air cleaner is disposed to an outside of the vehicle body cover and to the rear of the cab, and is disposed in a slanted manner so that a side from which the filter is pulled out is further away from the cab than an opposite side. | 10-22-2015 |
| 20150298952 | BATTERY POWERED FORKLIFT - A forklift including a fork on a front of a body to which front and rear wheels are attached, a counter weight on a rear of the body, and a driving electric motor allowing the body to travel, the forklift includes: a battery on the body above the rear wheel; a cargo-handling electric motor generating oil pressure on operating oil operating the fork; a controller controlling the cargo-handling electric motor and the driving electric motor; and a storage space in the body, below a bottom of the battery, and above a bottom of the body, wherein the controller and a charging device charging the battery are arranged in the storage space on both sides in a widthwise direction of the body, respectively and an operating oil tank and the cargo-handling electric motor are arranged along a longitudinal direction of the body between the controller and the charging device. | 10-22-2015 |
| 20150298748 | CAB AND WORK VEHICLE - A cab body has a panel section. The panel section includes a concave section which that is recessed upward. A floor frame includes a convex section and supports the cab body. The convex section has a shape that protrudes facing upward and is arranged to protrude from the concave section. A seal member seals a gap between the concave section and the convex section. The seal member has a first contact surface, a second contact surface, and an inclined surface. The first contact surface contacts the convex section. The second contact surface contacts the panel section. The inclined surface is inclined with regard to the first contact surface and the second contact surface. A bracket has an attachment section and a pressing surface. The attachment section is attached to the panel section. The pressing surface presses the inclined surface. | 10-22-2015 |
| 20150298502 | POWER TRANSMISSION DEVICE - A power transmission device includes: a spindle case that includes a central hole through which an axle shaft penetrates in a central portion and forms a brake chamber in a region around the axle shaft at a base end portion; a wheel hub that is rotatably supported by an outer circumference of the spindle case and includes a final chamber, between the final chamber and the brake chamber, oil can flow, by communicating with the brake chamber through the central hole of the spindle case; a wet type brake mechanism that is contained in the brake chamber and operates so as to apply braking on rotation of the axle shaft with respect to the spindle case; and a deceleration mechanism that is contained in the final chamber and decelerates the rotation of the axle shaft to transmit the rotation to the wheel hub. | 10-22-2015 |
| 20150293702 | WORK MACHINE - A work machine includes a controller having a first storage unit that can store work machine information and rewrite the stored work machine information, and a processing unit that collects the work machine information, and stores at least one kind of the work machine information in the first storage unit when trigger information for causing the first storage unit to start storing the work machine information occurs. The controller can change from an outside at least one of the number of data prior to a trigger of the work machine information collected by the processing unit before the trigger information, the number of data subsequent to the trigger of the work machine information collected by the processing unit after the trigger information, and a time interval during which the work machine information is collected. | 10-15-2015 |
| 20150275476 | BULLDOZER - A bulldozer includes a blade, an engine, a first exhaust treatment device, a second exhaust treatment device, a relay connection pipe, and an engine cover. The first exhaust treatment device is disposed in front of the engine and lower than the upper surface of thereof. The second exhaust treatment device is disposed above the first exhaust treatment device. The relay connection pipe is disposed above the first exhaust treatment device and below the second exhaust treatment device. The longitudinal directions of the first and second exhaust treatment devices extend along the vehicle lateral direction. As seen from the top of the vehicle, the second exhaust treatment device overlaps at least a part of the first exhaust treatment device. As seen from the side of the vehicle, the front edge of the first exhaust treatment device is positioned forward of the front edge of the second exhaust treatment device. | 10-01-2015 |
| 20150275475 | WORK VEHICLE - A wheel loader is provided with a top plate, a plate-like member, a diesel particulate filtering device, and a first duct. The top plate has a first outdoor air intake port. The plate-like member is disposed below the first outdoor air intake port. The diesel particulate filtering device is disposed below the plate-like member. A first end part of the first duct is positioned to the rear of the diesel particulate filtering device. A second end part of the first duct is positioned inside the cooling compartment. A connector is disposed in an air flow generated between a gap and the first end part. | 10-01-2015 |
| 20150267382 | STROKE OPERATION DIAGNOSIS SUPPORTING DEVICE FOR HYDRAULIC CYLINDER - A stroke operation diagnosis supporting device for a hydraulic cylinder includes: movable portions; hydraulic cylinders; a stroke sensor measuring a stroke length of the hydraulic cylinder; a reset sensor measuring a reset reference point at which a measurement value of the stroke length obtained by the stroke sensor is reset; a stroke end detection process unit detecting a stroke end position of the hydraulic cylinder; a calibration process unit calibrating the measurement value of the stroke length upon the detection of the reset reference point and/or the stroke end position; and a monitor displaying on a screen at least the measurement value of the stroke length obtained by the stroke sensor and a calibration state obtained by the calibration process unit, wherein the monitor displays continuous time change of the measurement value of the stroke length obtained by the stroke sensor. | 09-24-2015 |
| 20150253776 | MANAGEMENT SYSTEM AND MANAGEMENT METHOD OF MINING MACHINE - A management system of a mining machine includes: a landmark that is placed at a mine and allows a non-contact sensor placed on the mining machine able to run at the mine to detect a relative position of the landmark and the mining machine; a storage device that registers a position of the landmark detected using the Global Positioning System; and a processing device that sets, upon the registration, a prohibited area where an entry of the mining machine is prohibited such that the position of the landmark is included in the prohibited area. | 09-10-2015 |
| 20150252707 | EXHAUST GAS PROCESSING DEVICE, DIESEL ENGINE, AND EXHAUST GAS PROCESSING METHOD - An exhaust gas purifying device includes a first branch pipe and a second branch pipe that cause exhaust gas exhausted from a diesel engine to branch into a plurality of passages and pass through the passages, a first exhaust gas purification unit and a second exhaust gas purification unit that purify the exhaust gas, an exhaust gas temperature sensor that detects a temperature of the exhaust gas, an atmospheric pressure sensor, and a processing unit that obtains a convergence portion pressure at a convergence portion from a relationship obtained in advance between the convergence portion pressure, a total flow rate of the exhaust gas, a convergence portion temperature, and an atmospheric pressure. | 09-10-2015 |
| 20150252553 | WORK VEHICLE - A box section of a cab is detachable in a motor grader. The motor grader is provided with a bracket and a first controller. The bracket is attachable to a floor section. The first controller is attachable in a selective manner to the box section and the bracket and controls equipment required for travel. | 09-10-2015 |
| 20150247514 | CYLINDER DEVICE - A cylinder device includes a cylinder head, a piston rod, a stroke detection unit that is provided in a housing chamber so as to open to a center hole of the cylinder head and outputs a detection signal corresponding to a stroke of the piston rod relative to the cylinder head, two bearing members that are installed along a longitudinal direction of the piston rod so as to sandwich the housing chamber in the center hole of the cylinder head, and a sealing system that is configured in a portion corresponding to a distal end side of the piston rod compared with the bearing members in the center hole of the cylinder head, and the piston rod is supported by the cylinder head via the two bearing members. | 09-03-2015 |
| 20150240458 | WORK MACHINE AND WORK MANAGEMENT SYSTEM - A work machine includes: a work state detection unit detecting a physical amount; a time integration unit calculating a time integration value; a determination unit associating the time integration value with a predetermined operating angle of an excavation-loading mechanism and determining that an operation of an operation lever is performed at a time the time integration value is not smaller than a predetermined integration value; a counting unit performing accumulation adding with number of times of loading as once at a time each operation is an excavation-loading work performed in an order of: an excavation operation; a forward swing operation; a soil discharge operation; and a backward swing operation; a default setting unit setting a bucket capacity; a workload calculation unit calculating a workload by multiplying the number of times of loading by the bucket capacity; and an output unit outputting the workload. | 08-27-2015 |
| 20150240446 | HYDRAULIC EXCAVATOR - There is provided a hydraulic excavator in which invasion of a design surface by a work implement can be suppressed. A boom-lowering proportional solenoid valve is provided in a boom-lowering pilot conduit connected to a boom-lowering pilot port. A first pressure sensor detects a pressure generated in the boom-lowering pilot conduit between a control lever and the boom-lowering proportional solenoid valve. A controller controls an opening degree of the boom-lowering proportional solenoid valve based on the pressure detected by the first pressure sensor. The controller gently increases, from zero, a current value outputted to the boom-lowering proportional solenoid valve. | 08-27-2015 |
| 20150233278 | WORK VEHICLE DISPLAY DEVICE AND WORK VEHICLE - A work vehicle display device included in a work vehicle including an internal-combustion engine that generates power and an exhaust gas processing device that processes exhaust gas discharged from the internal-combustion engine using urea water, the work vehicle display device includes: a display unit configured to display an image; and a display control unit configured to display either a first image or a second image different from the first image in the display unit, wherein the display control unit displays device information having a same content related to a state of the exhaust gas processing device in the first image and the second image. | 08-20-2015 |
| 20150232312 | FORKLIFT AND CONTROL METHOD OF FORKLIFT - Provided is a forklift equipped with a variable displacement traveling hydraulic pump driven by an engine, a hydraulic motor that forms a closed circuit with the traveling hydraulic pump therebetween and is driven by hydraulic oil discharged from the traveling hydraulic pump, and driving wheels driven by the hydraulic motor. An accelerator opening is calculated by correcting an accelerator opening detected by an accelerator opening sensor, using a greater one of a first cut-off frequency calculated from the accelerator opening detected by the accelerator opening sensor, and a second cut-off frequency calculated from a corrected accelerator opening calculated at a timing before the first cut-off frequency is calculated. | 08-20-2015 |
| 20150229095 | LASER DEVICE - A laser device includes an optical fiber laser unit including an amplification optical fiber, a plurality of pumping light sources outputting pumping lights for optically pumping the amplification optical fiber, and a controller controlling the pumping light sources. When an instruction value for supplying a predetermined driving electric current to each of the pumping light sources is input to the controller, the controller conducts a control of supplying a compensated electric current value as a driving electric current obtained by multiplying an initial electric current value corresponding to the instruction value by a compensation coefficient and supplying the compensated electric current value to each of the pumping light sources. The compensation coefficient is set to restrain a decrease in a power with time of a laser light output from the optical fiber laser unit. | 08-13-2015 |
| 20150224886 | INVERTER - An inverter includes: a step-up transformer; an upper cover for covering the step-up transformer; a terminal attached to the upper cover and electrically connected to the step-up transformer; a terminal case attached to the upper cover to cover the terminal and attachable with a connector to be plugged into and unplugged from the terminal; a first positioning unit provided to the upper cover and the terminal to position the upper cover and the terminal relative to each other; and a second positioning unit provided to the upper cover and the terminal case to position the upper cover and the terminal case relative to each other. | 08-13-2015 |
| 20150224447 | EXHAUST GAS PROCESSING DEVICE, DIESEL ENGINE, AND EXHAUST GAS PROCESSING METHOD - An exhaust gas processing device includes a NOx detection sensor, a first catalyst provided to a first branch pipe, a second catalyst provided to a second branch pipe, a first pressure sensor and a second pressure sensor which are arranged on the upstream side of the first catalyst and the second catalyst and which detect pressures in the first branch pipe and the second branch pipe, and a control device that obtains flow rates of exhaust gas flowing through the first branch pipe and the second branch pipe based on detection values of the first pressure sensor and the second pressure sensor and obtains amounts of reducing agent to be given to the first catalyst and the second catalyst from the obtained flow rates and a concentration of NOx of the exhaust gas. | 08-13-2015 |
| 20150222858 | WORKING VEHICLE PERIPHERY MONITORING SYSTEM AND WORKING VEHICLE - A working vehicle periphery monitoring system includes: a plurality of image capturing devices capturing a periphery of a working vehicle to output image information; a bird's eye image synthesizing unit synthesizing the image information to generate bird's eye image information for displaying a bird's eye image on a monitor; and a display control unit displaying, on the monitor, at least one of a first bird's eye image obtained by superimposing a first vessel image including at least the vessel other than a part of the vessel at a rear side of the working vehicle and front and rear wheels displayed with the vessel on an area of the working vehicle in the bird's eye image and a second bird's eye image obtained by superimposing a second vessel image including at least all of the vessel and the front and rear wheels displayed with the vessel on the area of the working vehicle in the bird's eye image. | 08-06-2015 |
| 20150219029 | DIESEL ENGINE AND METHOD FOR CONTROLLING DIESEL ENGINE - A diesel engine, includes: an exhaust gas recirculation device that recirculates an exhaust gas emitted from the diesel engine to an intake side of the diesel engine; an intake air amount sensor that measures an intake air amount of the diesel engine; a NOx measurement sensor that measures NOx contained in the exhaust gas emitted from the diesel engine; and a control device that obtains a correction value for correcting a measured value by the intake air amount sensor based on a difference between first information on NOx obtained based on information on a rotation speed of the diesel engine and information on a load and second information on NOx measured by the NOx measurement sensor to control the exhaust gas recirculation device based on the measured value by the intake air amount sensor corrected using the correction value. | 08-06-2015 |
| 20150218781 | DISPLAY SYSTEM OF EXCAVATING MACHINE AND EXCAVATING MACHINE - A display system of an excavating machine that includes a work machine having a bucket, and a main body to which the work machine is attached, the display system includes: a storage unit configured to store at least position information of a design surface; a display unit configured to display the position information of the design surface on a screen; and a processing unit configured to display an outer edge of a second plane of the design surface, the second plane including a first plane existing in the design surface, the second plane existing in a part of a periphery of the first plane, on the screen of the display unit, in a different form from inside and outside of the outer edge. | 08-06-2015 |
| 20150217805 | CRAWLER WORK VEHICLE - A crawler work vehicle includes an engine, left and right travel devices, a power transmission device, left and right steering clutches, left and right steering brakes, a rotation speed detecting device, a brake hydraulic pressure obtaining device, and a brake protecting device. The rotation speed detecting device detects an output rotation speed of the steering brakes. The brake hydraulic pressure obtaining device obtains a brake hydraulic pressure supplied to the steering brakes. The brake protecting device refers to the output rotation speed and the brake hydraulic pressure to compute a heat rate of the steering brakes, and executes a protection process of the steering brakes by reducing the engine output upon determining the heat rate that was computed is equal to or greater than a preset first threshold. | 08-06-2015 |
| 20150217691 | WORK VEHICLE PERIPHERY MONITORING SYSTEM AND WORK VEHICLE - A work vehicle periphery monitoring system includes a plurality of imaging apparatuses which are attached to the work vehicle and image the periphery of a work vehicle to output image information, a display control unit which displays an image based on image information which is output from imaging apparatuses, and a pattern indicating information relating to the work vehicle periphery monitoring system on a monitor, and a pattern display control unit which changes a display position at which the pattern is displayed on the monitor | 08-06-2015 |
| 20150217690 | WORKING VEHICLE PERIPHERY MONITORING SYSTEM AND WORKING VEHICLE - A working vehicle periphery monitoring system includes: image capturing devices attached to a working vehicle with a vessel and capturing the periphery of the working vehicle to output image information; a bird's eye image synthesizing unit synthesizing the image information to generate a bird's eye image information for displaying bird's eye images of the working vehicle and the periphery thereof; and a display control unit displaying at least one of a first bird's eye image obtained by superimposing a first vessel image including the vessel other than a part of the vessel at a rear side of the working vehicle on an area of the working vehicle in the bird's eye image and a second bird's eye image obtained by superimposing a second vessel image including all of the vessel on the area. | 08-06-2015 |
| 20150216060 | Monitor and Working Vehicle Provided with the Monitor - A monitor includes a display in a form of a liquid crystal display, a monitor substrate that is electrically connected to the liquid crystal display, a connector that is used for electrical connection between the monitor substrate and an outside, and a resin-made exterior case that houses the liquid crystal display and the monitor substrate. On a back face opposed to the monitor substrate of the exterior case, a connector attachment portion is provided in a manner to be dented toward the connector. In the connector attachment portion, an opening from which the connector is exposed is provided. At least a part of an inner circumferential surface of the connector attachment portion is provided by an inclined surface portion that is enlarged toward the back face from an elevational portion (opening). | 07-30-2015 |
| 20150211209 | ENGINE UNIT - An engine unit mounted to a vehicle frame, the engine unit includes: an engine; an engine support mechanism to be coupled to the vehicle frame, with at least one vibration absorbing mechanism disposed on each of both sides of the engine in an orthogonal direction to a crankshaft of the engine, to support the engine; an aftertreatment device to purify exhaust gas emitted from the engine; a base bracket provided to the engine support mechanism; and an upper bracket detachably fixed and mounted to the base bracket, the upper bracket supporting the aftertreatment device. | 07-30-2015 |
| 20150210180 | INDUSTRIAL VEHICLE, SYSTEM FOR MANAGING STATE OF AMOUNT OF ELECTROLYTE OF INDUSTRIAL VEHICLE, AND ELECTRIC FORKLIFT - An industrial vehicle includes a battery that includes a battery cells including a battery liquid and connected in series, an battery liquid shortage detection unit detecting a shortage of the battery liquid by detecting a voltage value between the battery cells, an battery liquid-shortage time calculation unit calculating a battery liquid-shortage time, which is a cumulative time of the shortage of the electrolyte detected by the battery liquid shortage detection unit, a memory storing the battery liquid-shortage time calculated by the battery liquid-shortage time calculation unit, and a communication controller attaching time information to the battery liquid-shortage time stored in the memory and outputting the battery liquid-shortage time with the time information to a management server, at a predetermined timing. | 07-30-2015 |
| 20150204053 | Wheel Loader and Wheel Loader Engine Control Method - A wheel loader includes detectors and a controller. The detectors include at least an accelerator pedal angle detector that detects an accelerator displacement. The controller includes: a state judging unit that judges from a detection result provided by the detectors whether or not the wheel loader is in an excavation operation; and a torque-curve selector. The torque-curve selector selects one excavation torque curve when the wheel loader is judged to be in the excavation operation by the state judging unit, and selects one of two or more non-excavation torque curves depending on the accelerator displacement when the wheel loader is judged not to be in the excavation operation. | 07-23-2015 |
| 20150204050 | WHEEL LOADER - A wheel loader includes an engine, a selective catalyst reduction device, a cab, a ladder, a reducing agent tank, and an injection device. The selective catalyst reduction device is configured to treat exhaust gas from the engine. The cab is provided with a driver seat therein. The ladder is configured for ascending to and descending from the cab and provided on a lateral side of the cab. The reducing agent tank is disposed behind the ladder and adapted to store a reducing agent. The injection device is configured to inject the reducing agent from the reducing agent tank into exhaust gas fed from the engine toward the selective catalyst reduction device. | 07-23-2015 |
| 20150198074 | WORK VEHICLE - A work vehicle includes an engine, an injector injecting a reducing agent to an exhaust gas exhausted from the engine, a determination portion determining whether or not a temperature of the injector is high, a stop determination portion determining whether or not the engine has stopped while the injector is in a high-temperature state as a result of determination by the determination portion, a counter counting the number of times of stop of the engine while the injector is in the high-temperature state based on a result of determination by the stop determination portion, and a warning portion giving a warning in connection with stop of the engine when a count value of the counter exceeds a first prescribed value. | 07-16-2015 |
| 20150197161 | INDUSTRIAL VEHICLE, SYSTEM FOR MANAGING OPERATION OF INDUSTRIAL VEHICLE, AND ELECTRIC FORKLIFT - An industrial vehicle includes: a key-on signal detection unit that detects whether or not a key switch is in a key-on state; an under-charging signal detection unit that detects whether or not a storage battery is being charged; an operating time calculation unit that calculates a time, which is in the key-on state and in which charging is not performed, as an operating time; and an output unit that outputs the operating time. | 07-16-2015 |
| 20150183370 | WORK VEHICLE PERIPHERY MONITORING SYSTEM AND WORK VEHICLE - A controller includes: a bird's eye image synthesizer generating bird's eye image information for displaying a bird's eye image of a work vehicle and a periphery of the work vehicle; a display controller displaying a first image in which a mark representing an object detected by radar devices overlaps the bird's eye image and a second image captured on the same screen of a monitor; an alarm notifying unit notifying, as the alarm, at least one of a first alarm of displaying a region with the mark differently from a region without the mark in the first image and a second alarm of notifying the existence of the object by a sound; and an alarm releasing unit releasing the alarm in accordance with a releasing order based on a position in which the object exists. | 07-02-2015 |
| 20150176451 | COOLING STRUCTURE FOR UREA AQUEOUS SOLUTION CONDUIT - In a working vehicle, an exhaust gas aftertreatment device is provided in an engine compartment that is adjacent to a cooling fan through which cooling air is supplied to a heat exchanger. The exhaust gas aftertreatment device includes a selective catalytic reduction device in which ammonia obtained from a urea aqueous solution is used as a reduction-causing agent. A urea aqueous solution pipe through which the urea aqueous solution is supplied is laid to the selective catalytic reduction device through the engine compartment. In the engine compartment, a pipeline-forming member having pipelines in which the urea aqueous solution pipe is installed. The cooling air sucked by a cooling fan flows into the pipelines. | 06-25-2015 |
| 20150176248 | FOOTRESTS AND FLOOR MATS FOR CONSTRUCTION MACHINERY - A wheel loader includes: a floor for a driving operation; an operator's seat for an operator to be seated; and a trainer's seat for a trainer to be seated, the operator's seat and the trainer's seat being provided in parallel to each other. A footrest of the wheel loader includes an operator's footrest and a trainer's footrest respectively having placement surfaces on which adjacent feet of the seated operator and trainer are respectively placed. The operator's footrest and the trainer's footrest are integrated with each other. | 06-25-2015 |
| 20150163101 | WORK MACHINE, MANAGEMENT SYSTEM AND MANAGEMENT METHOD - A work machine includes: an electronic device; a signal line to which the electronic device is connected; a memory unit which stores at least identification information for identifying the electronic device; a communication unit which wirelessly communicates to an outside of the work machine; and a processing unit, wherein when the identification information acquired from the electronic device via the signal line is different from the identification information stored in the memory unit, the processing unit stores the identification information acquired from the electronic device in the memory unit and transmits the acquired identification information to the outside of the work machine via the communication unit. | 06-11-2015 |
| 20150159348 | HYDRAULIC EXCAVATOR - There is provided a hydraulic excavator in which occurrence of minute vibrations in a control lever can be suppressed. The hydraulic excavator includes: a first pilot pressure control valve outputting a pilot pressure in accordance with operation of the control lever; an upstream pilot conduit having one end connected to the first pilot pressure control valve; a proportional solenoid valve connected to the other end of the upstream pilot conduit; a downstream pilot conduit having one end connected to the proportional solenoid valve; and a pilot switching valve for a boom having a second pilot port connected to the other end of the downstream pilot conduit, and controlling operation of the boom. A volume of the upstream pilot conduit is larger than a volume of the downstream pilot conduit. | 06-11-2015 |
| 20150138338 | WORKING VEHICLE PERIPHERY MONITORING SYSTEM AND WORKING VEHICLE - A working vehicle periphery monitoring system includes: a synthesis process unit that acquires image information output from a plurality of image capturing devices at a predetermined timing and synthesizes the acquired image information to generate synthesis image information; an updating information adding unit that adds updating information to the synthesis image information generated by the synthesis process unit; a synthesis image storage unit that stores the synthesis image information to which the updating information is added; and an updated state determining unit that acquires the synthesis image information to which the updating information IR is added from the synthesis image storage unit and detects that the synthesis image information is updated based on the updating information. | 05-21-2015 |
| 20150135693 | ENGINE CONTROL APPARATUS FOR WORK MACHINE AND ENGINE CONTROL METHOD THEREOF - The present invention includes an information generator to set a lever manipulation amount total sum decrease flag during a period when a lever manipulation amount total sum is decreasing, a first processor to process an engine actual output, an engine actual output latching function block to output the maximum value of the engine actual output until the present during a period in which a lever manipulation amount total sum decrease flag is not set, and output the present engine actual output during a period in which the flag is set, a second processor to output an engine target output based on the engine output, and a controller to control the engine speed under limitation of the engine target output. | 05-21-2015 |
| 20150134184 | MANAGEMENT SYSTEM AND MANAGEMENT METHOD - A management system includes a position detection device, installed in a haul machine that travels at a mine, capable of detecting position information of the haul machine, and a processing device to which the position information of the haul machine detected by the position detection device is to be output, wherein the processing device specifies, based on the position information of the haul machine output from the position detection device, at least one of a start time and an end time of each of a plurality of operations of the haul machine. | 05-14-2015 |
| 20150103287 | DISPLAY FOR CONSTRUCTION MACHINE AND CONSTRUCTION MACHINE - A display for a construction machine includes: a metal case that is detachably supported on a construction machine frame via a universal joint (a joint member); a liquid crystal display (a display unit) that is attached to the metal case; and a control board that is attached to the metal case and is configured to perform a display control on the liquid crystal display. | 04-16-2015 |
| 20150090467 | BULLDOZER - Assemblies are arranged in such a manner that the diesel particulate filter device of one of the assemblies, the selective catalytic reduction device of the one assembly, the selective catalytic reduction device of the other assembly, and the diesel particulate filter device of the other assembly are located next to each other in this order as seen in a plan view. An exhaust pipe is located within a region made up of a region where the selective catalytic reduction device in the one assembly is arranged, a region where the selective catalytic reduction device in the other assembly is arranged, and a region between the selective catalytic reduction device in the one assembly and the selective catalytic reduction device in the other assembly, and located on an end side in the longitudinal direction, as seen in a plan view. | 04-02-2015 |
| 20150086314 | WORK VEHICLE - A working vehicle includes a vehicle, an engine, an exhaust treatment apparatus, a connecting pipe, a reducing agent injection apparatus, a reducing agent pump and a guiding pipe guiding reducing agent from the pump to the injection apparatus. The engine, exhaust treatment apparatus, connecting pipe, and reducing agent injection apparatus are arranged inside an engine room of the vehicle body. The engine has a crank shaft, and intake and exhaust manifolds arranged on first and second direction sides of the crank shaft, respectively. A first accommodating space is positioned on a first direction side of the engine room. A reducing agent pump is arranged inside the first accommodating space. A guiding pipe is arranged so as to pass inside the engine room on the first direction side with regard to the crank shaft. | 03-26-2015 |
| 20150084458 | ELECTRIC MOTOR - An electric motor includes: a ring-shaped stator attached to an inside of a tubular body part; a rotor rotatably arranged inside in a radial direction of the stator; and a tabular member attached to one end of the body part and including a power supply cable through-hole through which a power supply cable pierces, the power supply cable being pulled out from a coil included by the stator, wherein the stator and the tabular member are rotatable around a rotation center axis of the rotor, and a position of the power supply cable pulled out from the coil and a position of the power supply cable through-hole can be changed in a circumferential direction of the body part. | 03-26-2015 |
| 20150081165 | Construction Machine and Method for Reporting Quality of Driving Operations of Construction Machine - A construction machine provided with an exhaust gas purifying device for an internal combustion engine includes an energy-wasting operation judging unit that judges whether or not an operation of the construction machine is an energy-wasting operation, a judgment result notifier that notifies a judgment result of the energy-wasting operation judging unit to an outside, a regeneration treatment judging unit that judges whether or not a regeneration treatment of the exhaust gas purifying device is to be conducted, and a notification restricting unit that restricts the judgment result notifier from notifying the judgment result of the energy-wasting operation judging unit when the regeneration treatment judging unit judges that the regeneration treatment of the exhaust gas purifying device is to be conducted. | 03-19-2015 |
| 20150081147 | HYBRID WORKING MACHINE AND METHOD OF CONTROLLING HYBRID WORKING MACHINE - A hybrid excavator includes an engine, a generator motor, a capacitor, a swing motor, a transformer, a transformer temperature sensor, a capacitor temperature sensor, and a hybrid controller. An overheat suppression control unit of the hybrid controller changes the amount of power regenerated by the swing motor supplied to the capacitor and the amount of power regenerated by the swing motor supplied to the generator motor based on a temperature of the transformer detected by the transformer temperature sensor and a temperature of the capacitor detected by the capacitor temperature sensor. | 03-19-2015 |
| 20150077281 | DUMP TRUCK - A dump truck includes a vehicle body portion that includes an upper deck on which a cab is disposed and a frame which is disposed in a longitudinal direction, a vessel that is disposed above the frame, and a sixth imaging device that is disposed below the vessel at a rear end of the frame and can image the rear side of the vehicle body portion. The sixth imaging device is a wide dynamic range camera. | 03-19-2015 |
| 20150075893 | EXHAUST TREATMENT UNIT, MANUFACTURING METHOD OF EXHAUST TREATMENT UNIT, AND WORK VEHICLE - An exhaust treatment unit is used to treat an exhaust gas from an engine of the work vehicle. The exhaust treatment unit includes a first exhaust treatment device, a second exhaust treatment device and a first bracket. The first exhaust treatment device and the second exhaust treatment device are attached to the first bracket. The first bracket includes a brim part and a main body part. The main body part has a convex shape downwardly bulged from the brim part. The main body part includes a first support portion and a second support portion. The first support portion directly supports the first exhaust treatment device. The second support portion directly supports the second exhaust treatment device. | 03-19-2015 |
| 20150069815 | TUNNEL EXCAVATION METHOD - This tunnel excavation method includes a step of excavating three first tunnels that are substantially parallel to each other in a first excavation step. Second tunnels are excavated that intersect the first tunnels in a second excavation step. A boring machine is used that performs excavation in a state in which a gripper pushes against the side wall of the tunnel. | 03-12-2015 |
| 20150068470 | VENTILATION STRUCTURE FOR ENGINE COMPARTMENT - A ventilation structure of an engine compartment that houses an engine and is adjacent to a cooling fan that supplies cooling air to a heat exchanger in a form of a radiator is provided. A ventilation structure of the engine compartment includes: an exterior cover with which the engine and the cooling fan are covered; and a ventilation duct that includes an inner surface of the exterior cover, in which a first end of the ventilation duct is open in the engine compartment while a second end of the ventilation duct intercommunicates with a surrounding area of the cooling fan. | 03-12-2015 |
| 20150066352 | MINING MACHINE MANAGEMENT SYSTEM AND MINING MACHINE MANAGEMENT METHOD - A mining machine management system includes: a position information detection unit which is mounted in a mining machine loading a load in a mine and transporting the load and detects position information related to a position of the mining machine; and a region specification unit which corrects a representative position of a discharging station at which the load is removed, based on position information of a position at which the load is removed from the mining machine within a predetermined range centered around the representative position, from among the position information detected by the position information detection unit. | 03-05-2015 |
| 20150066312 | HYDRAULIC EXCAVATOR AND METHOD FOR MEASURING STROKE OF HYDRAULIC CYLINDER OF HYDRAULIC EXCAVATOR - A hydraulic excavator includes a base body portion, a movable portion, a hydraulic cylinder, a position sensor, a rotary encoder, and a control unit. The rotary encoder includes a light emitting unit, a light receiving unit, and a disk unit having a plurality of transmission portions. The control unit measures the stroke length of the hydraulic cylinder by correcting deviation of the stroke length, which is measured by the position sensor, based on the pulse signal output from the rotary encoder. In this way, there can be obtained a hydraulic excavator capable of precisely measuring a stroke length of a hydraulic cylinder driving a work implement, as well as a method for measuring the stroke of the hydraulic cylinder of the hydraulic excavator. | 03-05-2015 |
| 20150053489 | BATTERY POWERED WORK MACHINE, AND BATTERY POWERED FORKLIFT - A heat sink includes a first part on which a control device is attached, a second part on which an electronic component is attached and that is arranged to be opposite to the first part, and plural air passages provided between the first part and the second part for allowing air to pass. Plural plate-like members are arranged between the first part and the second part, and the air passage is formed by a space enclosed by the first part, the adjacent partition member, and the second part. | 02-26-2015 |
| 20150050530 | BATTERY FOR WORK VEHICLE AND BATTERY-TYPE WORK VEHICLE - A battery includes: battery cell groups, each of which is obtained by connecting battery cells in series to each other; a battery casing storing the battery cells; a bus-bar connecting positive electrodes of the respective battery cell groups; a bus-bar connecting negative electrodes of the respective battery cell groups; and a first line connecting the positive electrode and the bus-bar, a second line connecting the negative electrode and the bus-bar, and a third line connecting the battery cells included in each of the battery cell groups. The first line and the second line are drawn to the outside of the battery casing and connected to the bus-bar, and the corresponding first and second lines are bent at the outside of the battery casing according to a position of the battery cell group in the battery casing and are connected to the bus-bar. | 02-19-2015 |
| 20150047427 | HYDRAULIC CYLINDER STROKE OPERATION DIAGNOSIS ASSISTING DEVICE AND HYDRAULIC CYLINDER STROKE OPERATION DIAGNOSIS ASSISTING METHOD - A hydraulic cylinder stroke operation diagnosis assisting device includes: movable portions that are sequentially supported by a vehicle body in a rotatable manner; a hydraulic cylinder between the vehicle body and each movable portion or between the movable portions to support the movable portions in a rotatable manner; a stroke sensor in the hydraulic cylinder to measure a stroke length of the hydraulic cylinder; a reset sensor measuring a reference reset point in which a value of the stroke length measured by the stroke sensor is reset; a stroke end detection unit detecting a stroke end position of the hydraulic cylinder; a calibration unit calibrating the measured value of the stroke length when the reference reset point and/or the stroke end position are detected; and a monitor displaying at least the measured value of the stroke length and a calibration state by the calibration unit. | 02-19-2015 |
| 20150046004 | Hybrid Work Machine and Control Method of Providing Information for the Same - A hybrid hydraulic excavator includes: an engine; a generator motor; an electric storage device; a commanding system being configured to command at least activation of a service mode for maintenance and execution of a charge-release process for the electric storage device; a display being configured to provide at least information on the charge-release process for the electric storage device; and a display controller being configured to control displaying of the display. The display controller commands the display to display charge-release-failure information when the charge-release process is ongoing at the elapse of a predetermined duration of time since the activation of the service mode was commanded. | 02-12-2015 |
| 20150019086 | BLADE CONTROL DEVICE, WORKING MACHINE AND BLADE CONTROL METHOD - When a blade load is reduced from a value greater than or equal to a first set load value to a value less than the first set load value, a blade control device is configured to set a virtual designed surface to be closer to a blade than a designed surface is, and is configured to allow the blade to pivot above the virtual designed surface. | 01-15-2015 |
| 20150008729 | ROLLER DEVICE FOR TRACK-TYPE WORK VEHICLE - A roller device includes a shaft, a bushing, a roller shell, a retainer, and a seal. The roller shell is fitted over the outer circumference of the bushing. The retainer is fixed detachably to an end of the bushing, and fitted in an end of the roller shell on a radially outer side. The seal is disposed on the outer circumference of the shaft so as to seal a gap between the shaft and the bushing. The seal includes a first seal member attached to the bushing and a second seal member attached to the shaft. The first seal member is rotatable relative to the second seal member. The second seal member has an outer circumferential end disposed on an inner side with respect to an inner circumferential end of the retainer. | 01-08-2015 |
| 20140374186 | WORK VEHICLE - An engine ( | 12-25-2014 |
| 20140369373 | TWO-STAGE LASER SYSTEM FOR ALIGNERS - The invention relates to a two-stage laser system well fit for semiconductor aligners, which is reduced in terms of spatial coherence while taking advantage of the high stability, high output efficiency and fine line width of the MOPO mode. The two-stage laser system for aligners comprises an oscillation-stage laser ( | 12-18-2014 |
| 20140358382 | OPERATION CONTROL SYSTEM FOR MINING MACHINE AND OPERATION CONTROL METHOD FOR MINING MACHINE - An operation control system for a mining machine includes, based on travel path information including at least information on moisture content of a travel path on which a mining machine operating at a mine runs, and position information being information on a position of a travel path corresponding to the travel path information, generating speed limit information for changing a speed limit for the mining machine to run on the travel path corresponding to the travel path information. | 12-04-2014 |
| 20140354010 | CAB FRAME FOR CONSTRUCTION MACHINERY AND PAINTING METHOD THEREFOR - A cab frame includes: a main structure having an opening on a part of an outer surface thereof; a rear structure separably connected to the main structure to cover the opening while projecting from the main structure; and first and second connectors provided to the main structure and the rear structure, respectively, the first and second connectors connected to each other in an abutted manner when the main structure and the rear structure are connected to each other. When the rear structure is connected to the main structure after being turned back to front relative to the main structure, the rear structure is temporarily fixable to the main structure via the first and second connectors. When the rear structure is turned back to front and connected to the main structure, the rear structure is housed in the main structure. | 12-04-2014 |
| 20140349516 | INTERLOCK MECHANISM OF MOTOR, AND MOTOR - An interlock mechanism of a motor, includes a terminal box configured to store a terminal used to connect a power supply cable to the motor; a lid configured to close the terminal box; a fixing member configured to fix the lid to the terminal box; a first connector attached to the lid; a second connector capable of being coupled with the first connector and configured to cover the fixing member in a state that the second connector is coupled with the first connector. | 11-27-2014 |
| 20140345935 | Ground Structure of Controller Mounted in Construction Machine - A ground structure of a controller that is mounted in a construction machine such as a dump truck and has a case having an upper surface on which a connector receiver hole for a receptacle connector to be received is provided includes: a cable harness that is provided by a plurality of cables including a ground cable and is connected to the receptacle connector; and a connecting portion for the ground cable to be connected, the connecting portion being provided near the connector receiver hole on the upper surface. | 11-27-2014 |
| 20140345265 | HYDRAULIC DRIVE SYSTEM - An operating state determining unit determines whether a hydraulic cylinder is in operation or not in operation. A discharge pressure reducing unit reduces the discharge pressure of a charge pump. A discharge pressure control unit controls the discharge pressure reducing unit when the hydraulic cylinder in not in operation to reduce the discharge pressure of the charge pump to a low pressure lower than a normal pressure. The normal pressure is the discharge pressure of the charge pump when the hydraulic cylinder is in operation. An accumulator is connected to a charge flowpath. A one-way valve is disposed between the accumulator and the charge pump. The one-way valve allows the flow of hydraulic fluid from the charge pump to the accumulator and prohibits the flow of hydraulic fluid from the accumulator to the charge pump. | 11-27-2014 |
| 20140338317 | PIPELAYER - A pipelayer includes a pilot pressure control unit. The pilot pressure control unit supplies hydraulic fluid to a pilot port of a warm-up control valve so that the warm-up control valve enters an open state when a winch control valve is in the closed state. The pilot pressure control unit drains hydraulic fluid from the pilot port of the warm-up control valve so that the warm-up control valve enters the closed state when the winch control valve is in the open state. The stroke amount from the stroke end of the closed side of the spool of the warm-up control valve when the meter-out opening of the warm-up control valve is fully closed is larger than the stroke amount from the stroke end of the closed side of the spool of the winch control valve when the meter-in opening of the winch control valve is fully closed. | 11-20-2014 |
| 20140327507 | Transformer and Method for Manufacturing Case of the Transformer - A transformer ( | 11-06-2014 |
| 20140307244 | METHOD FOR ADJUSTING SPECTRUM WIDTH OF NARROW-BAND LASER - An upper limit and a lower limit are preliminarily set for a spectral line width common to a plurality of narrow-band laser devices. When delivered or subjected to maintenance, the narrow-band laser device is caused to laser oscillate to detect its spectral line width before it is used as a light source for semiconductor exposure. A spectral line width adjustment unit provided in the narrow-band laser device is adjusted so that the spectral line width assumes a value between the upper limit and the lower limit. The present invention is able to suppress the variation in spectral line width such as E95 bandwidth caused by machine differences during the manufacture of the laser device, or by replacement or maintenance of the laser device, whereby the quality of integrated circuit patterns formed by the semiconductor exposure tool can be stabilized. | 10-16-2014 |
| 20140306517 | CRAWLER BELT COUPLING APPARATUS - In a crawler belt coupling apparatus, a first crawler belt link has a first through hole, and a first cutout in an inner circumferential surface of a first through hole. A master pin is inserted in the first through hole of the first crawler belt link, and has a second cutout in an outer circumferential surface thereof. A first recess is constructed of the first cutout and the second cutout, and has an opening at an end portion of the first through hole. A first knock pin is disposed such that one end surface thereof faces the opening. A first snap ring has a C-like shape, and is disposed to be separated from the one end surface of the first knock pin with a space therebetween or disposed in abutment with the one end surface. | 10-16-2014 |
| 20140300059 | FLOATING SEAL - A floating seal material comprises C, Si, Mn, Ni, Cr, and B with the remainder being made up of Fe and unavoidable impurities. The contents of the C, Si, Mn, Ni, Cr, and B are: C: 2.2 to 3.8 wt %, Si: 0.5 to 3.5 wt %, Mn: 0.1 to 2.0 wt %, Ni: 2.0 to 5.5 wt %, Cr: 0.9 to 4.0 wt %, and B: 0.02% to 0.4 wt %. The content of Cr in the parent phase is 0.30 to 1.07 wt %. The content of graphite is 0.35 to 2.33% of the surface area. The content of carbon boride is 14 to 40% of the surface area. | 10-09-2014 |
| 20140297091 | MINING MACHINE MOVEMENT MANAGEMENT SYSTEM - An information collection device transmits a position information request command for requesting transmission of position information of a dump truck at a predetermined point in time via a second wireless communication device and determines a state of at least one of the dump truck, a relay that relays communication from a first wireless communication device included in the dump truck to the second wireless communication device, and a travel route of the dump truck based on a response to the position information request command. | 10-02-2014 |
| 20140292068 | CRAWLER BELT LINK AND CRAWLER BELT APPARATUS - A crawler belt link includes a center portion, one end portion located on one end side of the center portion, and the other end portion located on the other end side of the center portion. In a second surface, the center portion has a first portion of a rail surface, the one end portion has a second portion of the rail surface, and the other end portion has a third portion of the rail surface. A first outer circumferential portion reaching the second portion of the rail surface is located closer to a second side portion with respect to a bushing hole surrounding portion. Accordingly, a crawler belt link and a crawler belt apparatus can be implemented, by which wear of the rail surface above a bushing hole can be suppressed while maintaining the width of the crawler belt link to be relatively small. | 10-02-2014 |
| 20140292033 | BULLZOZER - A bulldozer includes a cab and an engine hood. The cab has a foremost surface, and left and right front surfaces. The engine hood has an upper surface, left and right side surfaces, and flat first, second and third inclined surfaces. The first and second inclined surfaces contact the rear side of the upper surface and rear sides of the left and right side surfaces, and are inclined more obliquely to the right rear and left rear than the left and right side surfaces, respectively. The first, second and third inclined surfaces are inclined to face downward to the rear. The third inclined surface contacts the first and second inclined surfaces, and the upper surface. A window attached to the foremost surface is arranged in a vertical direction above first and second sides closest to the foremost surface out of sides constituting the first and second inclined surfaces, respectively. | 10-02-2014 |
| 20140292032 | OPERATOR PROTECTIVE GUARD, GUARD-EQUIPPED CAB FOR WORK MACHINE, AND WORK MACHINE - An operator protective guard which can ensure strength and is easily manufactured and assembled is provided. A front guard includes a plurality of first plate members and second plate members each made of one plate. The first plate members and the second plate members are assembled in a grid pattern such that a first longitudinal direction of each of the first plate members intersects with a second longitudinal direction of each of the second plate members. The plurality of the first plate members are arranged radially as seen in the longitudinal direction. The plurality of the second plate members are arranged radially as seen in the longitudinal direction. A slit is formed in the first plate member, and the second plate member is fitted in the slit and fixed by welding. | 10-02-2014 |
| 20140291059 | WORK VEHICLE AND WHEEL LOADER - A work vehicle includes an engine, an exhaust gas post-processing device, an engine room and a partitioning member. The exhaust gas post-processing device includes a diesel particulate filtering device, a selective catalyst reduction device, a connecting pipe connecting the diesel particulate filtering and the selective catalyst reduction device, and an injection device configured to inject a reducing agent into the connecting pipe. The engine room accommodates the engine and the exhaust gas post-processing device. The partitioning member includes a first partition part disposed between the injection device and the diesel particulate filtering device, and a second partition part disposed between the injection device and the selective catalyst reduction device. | 10-02-2014 |
| 20140291058 | BULLDOZER - A bulldozer includes an engine, first and second exhaust treatment apparatuses arranged above the engine, a relay connection pipe connecting the first and second apparatuses, and an engine hood covering upper parts of the first and second apparatuses. The relay connection pipe has a cylindrical shaped main section, a first section connecting the main section and the first apparatus, and a second section connecting the main section and the second apparatus. The lower end of the main section is positioned above upper ends of the first and second apparatuses. The upper surface of the hood has a convex section protruding above the relay connection pipe and a base section formed integrally with the convex section below the convex section. At least a portion of a line segment extending along the upper edge of the main section overlaps an upper surface part of the convex section in a bulldozer top view. | 10-02-2014 |
| 20140290802 | SURFACE TREATMENT METHOD AND COATING METHOD FOR STEEL MATERIAL, AND METHOD FOR PRODUCING MACHINE COMPONENT - This surface treatment method comprises a rustproofing step, a rinsing step, and a cleaning step. In the rustproofing step, a rustproofing liquid containing orthophosphoric acid and an organic acid is used to perform a rustproofing treatment on the surface of a steel material. In the rinsing step, a treatment liquid containing an oxo acid salt of a transition metal is used to perform a rinsing treatment on the surface of the steel material. In the cleaning step, the surface of the steel material that has undergone the rinsing step is subjected to a cleaning treatment. | 10-02-2014 |
| 20140290781 | EXHAUST GAS TREATMENT UNIT - An exhaust gas treatment unit includes an exhaust gas treatment device, a bracket and a connecting pipe. The exhaust gas treatment device is mounted on a bracket. The connecting pipe is connected to the exhaust gas treatment device. The connecting pipe directs exhaust gas to the exhaust gas treatment device. The connecting pipe may include a supporting portion and a pipe portion, with the supporting portion supporting the bracket and the pipe portion being integrated with the supporting portion. Alternatively, the exhaust gas treatment unit may further include a supporting member having a supporting portion supporting the bracket and a pipe portion integrated with the supporting portion, with the pipe portion connected to the connecting pipe. | 10-02-2014 |
| 20140290220 | ENGINE UNIT - An engine unit includes an engine, an exhaust gas treatment device and a connecting pipe. The engine has an exhaust gas port. The exhaust gas treatment device is arranged above the engine. The connecting pipe connects the exhaust gas port and the exhaust gas treatment device. The connecting pipe has an expandable-contractible bellows portion. The bellows portion has a linear form following the upward-downward direction. The lower end portion of the bellows portion is positioned lower than at least a part of the exhaust gas port. | 10-02-2014 |
| 20140283510 | HYDRAULIC DRIVE SYSTEM - A shuttle valve connects a second flowpath and a drain flowpath when the hydraulic pressure in a first flowpath is greater than the hydraulic pressure in the second flowpath. The shuttle valve connects the first flowpath and the drain flowpath when the hydraulic pressure in a second flowpath is greater than the hydraulic pressure in the first flowpath. The ratio between the pressure receiving area of a first pressure section and the pressure receiving area of a second pressure section is the same as the ratio between the pressure receiving area of a first chamber side and the pressure receiving area of a second chamber side of a cylinder rod. | 09-25-2014 |
| 20140266859 | DUMP TRUCK WITH OBSTACLE DETECTION MECHANISM AND METHOD FOR DETECTING OBSTACLE - A dump truck with an obstacle detection mechanism capable of detecting an obstacle around a vehicle using a plurality of radars provided on peripheral of the vehicle, the dump truck includes radars arranged with respect to a vehicle center plane in a backside of a rear axle case and between joints of rear suspension cylinders on the rear axle case, wherein the radars are arranged such that irradiation center axes in a vertical direction have a predetermined angle of dip to detect an obstacle in a backside of the vehicle. | 09-18-2014 |
| 20140262589 | WORK VEHICLE - A partition wall is arranged between an engine and a radiator in an engine room. A first exhaust processing unit has a first exhaust processing apparatus and a first mount section. The first exhaust processing apparatus is arranged between the engine and the partition wall. A second exhaust processing unit has a second exhaust processing apparatus and a second mount section. The second exhaust processing apparatus is arranged above the first exhaust processing apparatus. The second exhaust processing apparatus is arranged so as to overlap with at least a portion of the first exhaust processing apparatus in a planar view. The partition wall has a first wall member and a second wall member arranged above the first wall member. The distance between the boundary between the first and second wall members and the second exhaust processing unit is larger than the outer diameter of the first exhaust processing apparatus. | 09-18-2014 |
| 20140262570 | HYDRAULIC EXCAVATOR - A hydraulic excavator is provided, facilitating access to the lower side inside an engine compartment, allowing a maintenance job to be performed in a reasonable posture. The hydraulic excavator includes a revolving frame, an engine arranged on the revolving frame, and a counterweight arranged on the revolving frame, at the back side of the engine. A recess indented from the bottom face in the upward direction is formed at the counterweight. An opening is formed at the revolving frame for allowing a person to access from the lower side of the revolving frame to the space between the engine and the counterweight. The recess has a section overlapping with the opening, when viewed from the top. | 09-18-2014 |
| 20140257646 | BULLDOZER AND BLADE CONTROL METHOD - A bulldozer includes a blade pivotably attached to a vehicle body, a blade operation lever, and a blade control section. The blade operation lever outputs a lowering instruction signal, a holding instruction signal, and a raising instruction signal for the blade. The blade control section controls a height of the blade according the signal input. The blade control section can lower the blade to a predetermined position when the lowering instruction signal and the holding instruction signal are input in order after a transmission has been switched from a state, which is different from an advancing state, to the advancing state. The blade control section can raise the blade to a predetermined position when the raising instruction signal and the holding instruction signal are input in order after a transmission has been switched from a state, which is different from a reversing state, to the reversing state. | 09-11-2014 |
| 20140257645 | INFORMATION DISPLAY DEVICE OF CONSTRUCTION MACHINE, INFORMATION DISPLAY METHOD OF CONSTRUCTION MACHINE, AND INFORMATION DISPLAY COMPUTER PROGRAM OF CONSTRUCTION MACHINE - An information display device includes a display device that is mounted in a construction machine and displays various types of information of the construction machine, and a control device that deletes a display of a guide mark guiding a function of a display change-over switch for changing information displayed on the display device in a screen on which at least information of a fuel amount and information of an engine water temperature are displayed when the construction machine is in the operation state. | 09-11-2014 |
| 20140244098 | MANAGEMENT SYSTEM OF MINING MACHINE AND MANAGEMENT METHOD OF MINING MACHINE - In a management system of the mining machine, a management device collects operation information about the dump truck via a management-side wireless communication device. Routes along which the dump truck travels are identified based on position information, included in the operation information about the dump truck, about at least four locations included in a route along which the dump truck moves to a location where the dump truck unloads a load, to a location where the dump truck loads a load, and to a location where the dump truck unloads the load again. | 08-28-2014 |
| 20140240638 | Monitor and Working Vehicle Provided with the Monitor - A monitor includes a display in a form of a liquid crystal display, a rubber frame having a surrounding face that surrounds an outer circumferential surface of the liquid crystal display, and a front case having a housing that houses the liquid crystal display attached with the rubber frame. The rubber frame includes a projection that projects from a surface of the surrounding face and that is elastically deformed by contacting with an inner circumferential surface of the housing. | 08-28-2014 |
| 20140239650 | CAB FOR CONSTRUCTION MACHINE AND CONSTRUCTION MACHINE - A handle is supported by a hollow tube so as to be movable in the direction in which the handle is pushed toward a hollow space. A hole leading to the hollow space of the hollow tube has a first hole portion located at one end of a base portion extending in a longitudinal direction L of the hollow tube and a second hole portion extending from the first hole portion to a portion corresponding to the other end of the base portion in the longitudinal direction L. A dimension W2b of a grip portion of the handle in a width direction W is greater than a dimension W2a of the base portion of the handle in the width direction W and greater than a dimension W1a of the second hole portion in the width direction W. | 08-28-2014 |
| 20140238923 | WORK VEHICLE - A work vehicle includes a work implement and an operating fluid tank. The operating fluid tank has a tank body and a strainer. The tank body is for collecting operating fluid for driving the work implement. The strainer is installed inside the tank body and includes a cylindrical filter and a cover member. The cylindrical filter is disposed with an axis extending in a vertical direction. The cover member includes an upper plate part and a cylindrical part. The upper plate part of the cover member covers an upper surface of the filter. The cylindrical part of the cover member extends downward from an outer edge part of the upper plate part and covers an upper side surface part of the filter with a gap between the side surface of the filter and the cylindrical part, while allowing a lower side surface part of the filter to be exposed. | 08-28-2014 |
| 20140238780 | BATTERY TYPE FORKLIFT - A battery type forklift which is driven with power of a battery mounted on a vehicle body, includes: a fork arranged at a front part of the vehicle body; and a counter weight arranged at a rear part of the vehicle body, wherein the battery is mounted on the vehicle body in a state of being capable of being removed to a rear side of the vehicle body, and the counter weight comprises a guide unit which prevents sway of the battery in a right-left direction of the vehicle body when removing the battery and which guides movement of the battery along a front-rear direction of the vehicle body. | 08-28-2014 |
| 20140238767 | WHEEL LOADER - A wheel loader comprises an engine, an exhaust gas post-processing device, an engine room, a top plate, a cooling room, a partition wall, and a drainage mechanism. The exhaust gas post-processing device is disposed above the engine in the engine room and includes a diesel particulate filtering device and a selective catalyst reduction catalyst device. The top plate has a sloping part with a height that decreases toward the rear, and a first ventilation part that includes a plurality of through-holes formed in the sloping part. The top plate defines an upper plane of the engine room. The cooling room accommodates a cooling unit and is disposed to the rear of the engine room, separated by the partition wall. The drainage mechanism is disposed below the first ventilation part, and configured to drain water entering the engine room from the first ventilation part to the outside of the engine room. | 08-28-2014 |
| 20140232130 | CONTROLLER ASSEMBLY, CAB FOR WORK MACHINE, AND WORK MACHINE - A controller assembly includes a base plate, a bracket, and a first controller main body. The base plate includes a through hole and a frame having an upper surface and a lower surface and surrounding the through hole. The bracket has first and second flange portions supported on the upper surface of the frame at positions opposite to each other over the through hole, first and second side portions coupled respectively to the first and second flange portions and passing through the though hole; and a bottom portion coupled to both of the first and second side portions on the side of the lower surface of the frame. The first controller main body is mounted on a bottom portion of the bracket. Accordingly, a controller assembly which can be readily assembled, a cab of a work implement, and a work machine can be obtained. | 08-21-2014 |
| 20140231153 | LOADING SYSTEM AND TRANSPORTER - A loading system that includes a transporter and a loader or a transporter is provided. It includes a load-amount measuring unit installed on the transporter that measures a load amount of an object loaded on the transporter; a difference computing unit computing a difference between the load amount measured by the load-amount measuring unit when the object is loaded, and a load amount measured by the load-amount measuring unit after a measurement when the object is loaded and at a time of traveling; a storage unit storing a difference value data indicating the difference computed by the difference computing unit; a correcting unit correcting the load amount measured by the load-amount measuring unit when the object is loaded, based on a correction rule calculated based on the difference value data stored in the storage unit; and a display unit displaying a corrected load amount obtained by correcting the load amount. | 08-21-2014 |
| 20140230936 | OPERATION LEVER LOCK APPARATUS - An operation lever lock apparatus includes: operation levers; hydraulic control valves arranged at a portion lower than a floor panel; and link members, each of the link members extending downward from a base part of a corresponding one of the operation levers to be connected to a corresponding one of the hydraulic control valves, wherein the hydraulic control valves are operated by causing the link members to move vertically, the apparatus further including: an engagement member provided under the link member; and a stopper member having an engagement part to be engaged in the engagement member, wherein the stopper member is movable between an engaged position at which the engagement part engages in the engagement member and a released position at which the engagement part is released from the engagement member, and arranged to restrict movement of the link member in a vertical direction when positioned in the engaged position. | 08-21-2014 |
| 20140230785 | ENGINE CONTROL APPARATUS AND CONSTRUCTION MACHINE - An engine control apparatus for controlling an engine which drives a hydraulic pump to discharge operation oil, the engine control apparatus includes: a pump driving power limit unit configured to limit pump driving power, which is power used to drive the hydraulic pump, based on pressure of the operation oil discharged by the hydraulic pump when in a state in which a part of the operation oil discharged by the hydraulic pump is released because pressure of the operation oil discharged by the hydraulic pump has become equal to or higher than preset relief pressure; and an engine output control unit configured to control output of the engine so that target speed, which is speed of the engine set as a target, becomes equal to or higher than a value of a point of time when limiting of the pump driving power is started. | 08-21-2014 |
| 20140219761 | WHEEL LOADER - A transmission for a wheel loader includes a first oil accumulating part accumulating scattered lubricating oil and a second oil accumulating part accumulating the lubricating oil from the first oil accumulating part. The first oil accumulating part communicates with the second oil accumulating part through a communication oil path. Lubricating oil accumulated in the second oil accumulating part is directed to a lubricated part through a lubrication oil path when a rotary shaft is rotated at a rotational speed less than a predetermined rotational speed. The second oil accumulating part includes a shaft end space disposed at an end of the rotary shaft that accumulates the lubricating oil from the first oil accumulating part. A horizontal hole formed in a center part of the rotary shaft and extending axially allows the shaft end space and the vertical hole to communicate with each other. | 08-07-2014 |
| 20140217700 | WHEEL LOADER - A frame locking bar is supported pivotably with respect to a rear body. The frame locking bar is constructed to be able to lock an articulated structure by fixing a front body and the rear body to each other to thereby prevent swing thereof. A fixing mechanism is constructed to be able to position this frame locking bar at a prescribed pivoted position in a cantilevered state. At the positioned prescribed pivoted position, when viewed from above, a foot mount is located outside a side surface of a driver's compartment. Thus, a wheel loader capable of locking an articulated mechanism and allowing easy and highly safe services at a high position is obtained. | 08-07-2014 |
| 20140216833 | WORK VEHICLE - A first cooling device is disposed in an engine room at the upstream side in the air flow direction with respect to an engine. A second cooling device is disposed at the upstream side in the air flow direction with respect to the first cooling device. A third cooling device is disposed at the upstream side in the air flow direction with respect to the second cooling device. An air pipe connects the engine and the third cooling device. The air pipe passing above the first cooling device and the second cooling device. A blocking member closes off periphery of a space between the first cooling device and the second cooling device. The blocking member includes an opening. A cover member is configured to selectively open and close the opening. | 08-07-2014 |
| 20140215867 | EXCAVATING TOOTH AND BODY FOR EXCAVATING TOOTH - An excavating tooth includes a body and an abrasion-resistant layer. The abrasion-resistant layer has hardness higher than the body. The body includes a tip end face, a first face, a second face, a pair of first slope faces, and a pair of second slope faces. The abrasion-resistant layer includes a first abrasion-resistant layer section and a second abrasion-resistant layer section. The first abrasion-resistant layer section is formed on the tip end face. The second abrasion-resistant layer section is formed respectively on the pair of first slope faces and the pair of second slope faces. Thereby, it is possible to obtain an excavating tooth and a body for the excavating tooth capable of keeping a penetration force of a blade edge high in penetrating into an excavation subject. | 08-07-2014 |
| 20140214250 | BATTERY CHARGE/DISCHARGE CONTROL DEVICE, BATTERY CHARGE/DISCHARGE CONTROL METHOD, AND HYBRID WORKING MACHINE WITH BATTERY CHARGE/DISCHARGE CONTROL DEVICE - A battery charge/discharge control device which performs battery charge/discharge control in a working machine with a battery capable of storing electric energy generated by a generator motor coupled to an engine and driving the generator motor or at least one of other electric actuators by the stored electric energy and a controller which controls a distribution of the electric energy among the battery, the generator motor, and the electric actuator, wherein the controller performs the charge/discharge control in which the electric energy of the battery is discharged when the engine is driven and recharging to the battery is permitted on a condition that a state in which an engine speed is equal to or lower than a predetermined engine speed is maintained for a predetermined time after the battery is completely discharged. | 07-31-2014 |
| 20140200795 | ENGINE CONTROL DEVICE OF WORKING MACHINE, AND ENGINE CONTROL METHOD FOR THE SAME - An engine control device is provided including a detection unit for detecting the operating state of a working machine; a no-load maximum speed computation unit for computing a no-load maximum speed being an engine speed to be increased to the maximum upon a load of the working machine being released, based on the operating state; a target matching speed computation unit for computing a target matching speed being an engine speed to be increased upon a load being applied to the working machine, separately from the no-load maximum speed, based on the operating state; a target engine output computation unit for computing target engine output EL that can be outputted to the maximum, based on the operating state; and an engine control unit for controlling the engine speed between the no-load maximum speed and the target matching speed under a restriction of the target engine output. | 07-17-2014 |
| 20140196975 | HYDRAULIC EXCAVATOR - An exhaust processing unit includes a selective catalytic reduction apparatus which processes exhaust from an engine. A reducing agent injection apparatus is attached to the exhaust processing unit. The reducing agent injection apparatus injects a reducing agent which is supplied to the selective catalytic reduction apparatus. The reducing agent tank and the reducing agent supply pump are arranged outside the engine compartment. The reducing agent tank retains the reducing agent. The reducing agent supply pump supplies the reducing agent from the reducing agent tank to the reducing agent injection apparatus. The reducing agent pipe connects the reducing agent supply pump and the reducing agent injection apparatus. The revolving frame includes a pipe frame. The reducing agent pipe is arranged from the reducing agent supply pump to the reducing agent injection apparatus so as to pass through the inner space of the pipe frame. | 07-17-2014 |
| 20140196974 | WHEEL LOADER - A wheel loader includes a vehicle frame, an engine, an operating fluid tank, a stand, a rear support frame, and a base member. The engine is mounted on the vehicle frame. The operating fluid tank is disposed in front of the engine. The stand is fixed to the vehicle frame and supports the operating fluid tank. The rear support frame is disposed facing the stand with the engine interposed there-between and fixed to the vehicle frame. The base member is disposed above the engine and has one end fixed to an upper part of the stand and the other end fixed to an upper part of the rear support frame. A diesel particular filter, a nitrogen oxide reduction catalytic converter, and a connecting pipe are all mounted on the base member with the connecting pipe connecting the diesel particulate filtering device and the nitrogen oxide reduction catalytic converter. | 07-17-2014 |
| 20140196961 | CRAWLER WORK VEHICLE - An occurrence of steering clutch slippage is reliably determined in order to protect the steering clutch. A crawler work vehicle includes left and right steering clutches, left and right steering brakes, a rotation speed detecting difference device, a clutch hydraulic pressure obtaining device, and a clutch protecting device. The rotation speed difference detecting device detects a rotation speed difference between the input and output of each of the steering clutches. The clutch hydraulic pressure obtaining device obtains a clutch hydraulic pressure supplied to each steering clutch. The clutch protecting device refers to the rotation speed difference and the clutch hydraulic pressure, computes a steering clutch heat rate, and compares the computed heat rate with a preset first threshold to execute a steering clutch protection process. | 07-17-2014 |
| 20140196444 | REDUCTANT AQUEOUS SOLUTION MIXING DEVICE AND EXHAUST AFTERTREATMENT DEVICE PROVIDED WITH THE SAME - A mixing device of an exhaust aftertreatment device includes: an elbow pipe attached to an outlet pipe of a filter device; a straight pipe connected to a downstream side of the elbow pipe to extend in a direction intersecting an axial line of the outlet pipe; and an injector attached to the elbow pipe, the injector injecting a reductant aqueous solution into inside the elbow pipe toward the straight pipe. The elbow pipe includes: an inlet connected with the outlet pipe; an outlet connected with the straight pipe; a direction-changing section provided between the inlet and the outlet; and an injector attachment provided outside the direction-changing section and attached with the injector. The injector attachment is offset toward the outlet. The direction-changing section includes a first bulging portion provided by bulging outward a portion thereof opposite to the injector attachment. | 07-17-2014 |
| 20140196442 | REDUCTANT AQUEOUS SOLUTION MIXING DEVICE AND EXHAUST AFTERTREATMENT DEVICE PROVIDED WITH THE SAME - A mixing device includes: an elbow pipe attached to an outlet pipe of a filter device; a straight pipe connected to a downstream side of the elbow pipe; and an injector attached to the elbow pipe and injecting a reductant aqueous solution into an inside of the elbow pipe toward the straight pipe. The elbow pipe is provided with an injector attachment to which the injector is attached with a bolt. An attachment face of the injector attachment is substantially flush with an end of an injection nozzle of the injector. The injector attachment is provided with a recess at which an end of the injection nozzle is exposed, the recess being enlarged toward the straight pipe. A heat-insulation layer located near an outer periphery of the recess is provided inside the injector attachment. An end of the bolt penetrates the injector from an outside to reach the heat-insulation layer. | 07-17-2014 |
| 20140196441 | REDUCTANT AQUEOUS SOLUTION MIXING DEVICE AND EXHAUST AFTERTREATMENT DEVICE PROVIDED WITH THE SAME - A mixing device includes: an elbow pipe attached to an outlet pipe of a filter device, the elbow pipe changing a flow direction of an exhaust gas flowing from the filter device; a straight pipe connected to a downstream side of the elbow pipe, the straight pipe extending in a direction intersecting an axial line of the outlet pipe; an injector attached to the elbow pipe and injecting a reductant aqueous solution inside the elbow pipe toward the straight pipe; and a mixing pipe disposed in the elbow pipe to serve as a cover for the reductant aqueous solution, the mixing pipe being provided with openings on a circumferential wall thereof. A plurality of large openings are provided on a circumferential wall of the mixing pipe near the injector and a plurality of small openings are provided on a circumferential wall of the mixing pipe near the straight pipe. | 07-17-2014 |
| 20140196440 | REDUCTANT AQUEOUS SOLUTION MIXING DEVICE AND EXHAUST AFTERTREATMENT DEVICE PROVIDED WITH THE SAME - A mixing device includes: an elbow pipe attached to an outlet pipe of a filter device, the elbow pipe changing a flow direction of an exhaust gas flowing from the filter device; a straight pipe connected to a downstream side of the elbow pipe, the straight pipe extending in a direction intersecting an axial line of the outlet pipe; an injector attached to the elbow pipe and injecting a reductant aqueous solution inside the elbow pipe toward the straight pipe; and a mixing pipe disposed in the elbow pipe to serve as a cover for the reductant aqueous solution, the mixing pipe being provided with openings on a circumferential wall thereof. A cutout is provided at a fixing portion of the mixing pipe with the elbow pipe at a position for allowing the exhaust gas entering through an inlet of the elbow pipe to flow toward the injection nozzle. | 07-17-2014 |
| 20140190776 | REVOLVING APPARATUS FOR WORK VEHICLE - A revolving apparatus for a work vehicle includes a drive unit, a brake unit under the drive unit, a deceleration unit under the brake unit, and an output unit under the deceleration unit. The brake unit has a brake main body that stops revolution, a housing, a piston and a spring. The housing has a first face with a first concave component. The piston has a second face opposite the first face with a second concave component. The piston is disposed between the brake main body and the housing, and is movable with respect to the housing in order to actuate the brake main body. The spring member has two ends held in the first and second concave components. The first and second concave components have cylindrical shapes. The inside diameter of the first concave component is greater than the inside diameter of the second concave component. | 07-10-2014 |
| 20140190577 | WORK VEHICLE - A work vehicle ( | 07-10-2014 |
| 20140190046 | WORK VEHICLE, WORK VEHICLE DISPLAY DEVICE, METHOD OF CONTROLLING WORK VEHICLE DISPLAY DEVICE, BACKHOE LOADER, BACKHOE LOADER DISPLAY DEVICE, AND METHOD OF CONTROLLING BACKHOE LOADER DISPLAY DEVICE - A work vehicle including a first work machine and a second work machine, includes: a seat for which an orientation position toward the first work machine and an orientation position toward the second work machine can be switched; a seat position detection unit configured to detect the orientation position of the seat; a display unit configured to display information related to an operation state of the work vehicle; and a control unit configured to change information displayed by the display unit according to the orientation position of the seat detected by the seat position detection unit. | 07-10-2014 |
| 20140188373 | ENGINE CONTROL DEVICE OF WORK MACHINE AND ENGINE CONTROL METHOD THEREFOR - It is determined that assisting is required when a deviation of a target matching engine speed and a current engine speed is equal to or more than a predetermined value, and for a predetermined period of time since the time point at which it is determined that assisting is required, a target assist engine speed is set at a high rotation target matching engine speed which is more than the target matching engine speed, and thereafter the target assist engine speed is set gradually closer to the target matching engine speed, and an assist torque command value is output to the generator assisting output of the engine, and the engine speed is controlled, so that the engine speed attains the target assist engine speed. | 07-03-2014 |
| 20140186196 | VARIABLE DISPLACEMENT HYDRAULIC MOTOR/PUMP - In a variable displacement hydraulic pump/motor, a casing includes a tapered roller bearing supporting a rotating shaft near supports, the support has a sliding protruding portion in a spherical shape at a shaft portion, and a through oil path extending from the shaft portion to the sliding protruding portion, the support being fitted, at the shaft portion, in a mounting hole in the casing and being fitted, at the sliding protruding portion, in a sliding recessed portion in the swash plate to cover an opening of the through oil path, a communicating oil path is between a space in which a tapered roller of the tapered roller bearing is disposed and the mounting hole, and a lubrication groove constantly connecting the opening of the through oil path to an outside of a sliding contact area between the sliding protruding portion and the sliding recessed portion is between the sliding protruding portion and the sliding recessed portion. | 07-03-2014 |
| 20140182730 | WORK VEHICLE AND METHOD FOR MANUFACTURING THE SAME - A work vehicle includes: a top having a first hole; a plate having a second hole and attached to the top with the second hole in alignment with the first hole; an exhaust pipe having an internal path and a flange projecting outward and abutting against and thus attached to the plate; and a tail pipe having a portion positioned in the first and second holes, and an end in the internal path of the exhaust pipe. The plate is disposed between the top and the flange and serves as a reference in attaching the flange to the top. Thus, a work vehicle that can facilitate disposing an exhaust pipe and a tail pipe concentrically and provide better workability in disposing the exhaust pipe and the tail pipe concentrically, and a method for manufacturing the work vehicle, can be provided. | 07-03-2014 |
| 20140180551 | WHEEL LOADER AND METHOD FOR CONTROLLING A WHEEL LOADER - A tractive force control part of a wheel loader is configured to perform a tractive force control to reduce a maximum tractive force. The tractive force control part is further configured to reduce the maximum tractive force when determination conditions including, while a working implement is performing excavation operation, that the working implement is in a raising hydraulic stall condition and that a drive circuit pressure is greater than or equal to a predetermined hydraulic pressure threshold are satisfied during the tractive force control. | 06-26-2014 |
| 20140175834 | WIPER DEVICE, OPEN/CLOSE GUARD WITH WIPER DEVICE, AND CAB FOR CONSTRUCTION MACHINE - An open/close guard with a wiper device is attachable to a cab with a skylight. The wiper device includes a wiper for wiping a surface of the skylight, and a wiper drive unit that rotatably supports the wiper. The open/close guard includes a fixing frame attachable to the cab, and an open/close guard portion supported by the fixing frame. The open/close guard portion is supported by the fixing frame so that it can be opened or closed from or over the fixing frame. | 06-26-2014 |
| 20140175833 | WHEEL LOADER - A rear wheel is attached to a side of a rear vehicle body. A platform is attached to the side of the rear vehicle body so as to be located above the rear wheel. The platform is provided with an opening formed by a through hole, and the opening is located within a range obtained by projecting the rear wheel upwardly and located on the rear vehicle body side with respect to a center (center line A-A) of a width A | 06-26-2014 |
| 20140169923 | WHEEL LOADER AND METHOD FOR CONTROLLING WHEEL LOADER - A traction force control section of a wheel loader, when the determination conditions are satisfied during traction force control, increases the maximum traction force. The determination conditions include that the wheel loader is performing an excavation operation, that the vehicle speed is less than or equal to a prescribed speed threshold value, that the amount of operation of the accelerator operating member is equal to or more than a prescribed accelerator threshold value, and that the amount of operation of the inching operating member is less than or equal to a prescribed inching operation threshold value. | 06-19-2014 |
| 20140158387 | BULLDOZER WITH IMPROVED VISIBILITY - A bulldozer includes a vehicle frame, a bulldozer blade, an engine, an engine cover and an operator cab. The vehicle frame has a front end and a rear end. The bulldozer blade is disposed in front of the front end of the vehicle frame. The engine is disposed at a front portion of the frame. The engine cover covers the engine. The operator cab is secured to the frame behind the engine. The operator cab includes a front window disposed on a front face of the operator cab. When the bulldozer blade is placed on the ground, a top surface of the engine cover is disposed below a line extending between an upper edge of the bulldozer blade and a lower edge of the front window as viewed from a side of the bulldozer. | 06-12-2014 |
| 20140151074 | BLADE CONTROL SYSTEM AND CONSTRUCTION MACHINE - A blade control system includes an angle obtaining part, an open ratio setting part and a lift cylinder controlling part. The angle obtaining part is configured to obtain an angle of a lift frame with respect to a designed surface. The open ratio setting part is configured to set an open ratio based on the angle. The lift cylinder controlling part is configured to open a proportional control valve at the open ratio for elevating the blade when a distance between the designed surface and an edge of a blade is determined to be less than or equal to a threshold. | 06-05-2014 |
| 20140150750 | Crawler Construction Machine - In a crawler construction machine including an engine and a fuel adjustment dial that adjusts a speed of the engine according to operation loads of the working equipment, the fuel adjustment dial is a rotary notchless dial that is continuously variably adjustable. The crawler construction machine includes: an adjustment position detector that detects a rotation adjustment position of the fuel adjustment dial; an engine controller that is connected to the adjustment position detector and controls the speed of the engine based on an adjustment position of the fuel adjustment dial; and a display device that is connected to the engine controller and displays on a screen a percentage value of the adjustment position of the fuel adjustment dial in which the maximum rotation position of the fuel adjustment dial is defined as 100%. | 06-05-2014 |
| 20140148026 | Connector and Construction Machine - A connector for connecting an electric-power-transmission power cable to an electric device installed in a vehicle, includes a device socket, a cable plug that is plugged in or unplugged from the device socket, and a detection switch that is electrically turned on or off by a mechanical contact point provided on the device socket and a mechanical contact point provided on the cable plug. The device socket includes a contact terminal of the detection switch. The cable plug includes a plug housing that is electrically grounded by being connected to the device socket and a cover plate that covers an opening of the plug housing. The cover plate includes an insulative plate body and a contact conductor that contacts with the contact terminal of the detection switch. The plate body and the contact conductor are integrally molded. | 05-29-2014 |
| 20140142817 | WORKING UNIT CONTROL SYSTEM, CONSTRUCTION MACHINE AND WORKING UNIT CONTROL METHOD - A working unit control system includes a working unit, an operating tool, a work type determining part, and a drive controlling part. The operating tool is configured to receive a user operation to drive the working unit, and to output an operation signal in accordance with the user operation. The work type determining part is configured to determine to which of a shaping work and a cutting edge aligning work a work type of the working unit corresponds based on the operation signals. The drive controlling part configured to move the bucket along a designed surface when the work type corresponds to the shaping work, the drive controlling art being configured in a predetermined position set with reference to the designed surface when the work type corresponds to the cutting edge aligning work, the designed surface indicating a target shape of an excavation object. | 05-22-2014 |
| 20140133949 | HYDRAULIC EXCAVATOR - A hydraulic excavator basically includes a counterweight, an engine compartment, an equipment compartment, a cab, a plurality of steps, a passage and a pair of antenna supporting parts for supporting a pair of GNSS antennas, respectively. The antenna supporting parts are positioned ΒΌ or more of the vehicle width away from the revolving center and are positioned closer to the revolving center than a left rear edge of the passage. The left rear edge of the passage is the position furthest away from the revolving center of the steps and the passage. | 05-15-2014 |
| 20140133947 | HYDRAULIC EXCAVATOR - A hydraulic excavator includes a lower traveling unit, an upper revolving unit revolvably mounted on the lower traveling unit, a counterweight disposed on a rear end part of the upper revolving unit, an engine compartment disposed in front of the counterweight on the upper revolving unit, a cab disposed in front of the engine compartment on the upper revolving unit, an equipment compartment disposed between the engine compartment and the cab on the upper revolving unit, a pair of handrails and a pair of antenna supporting parts. The pair of handrails is disposed on the equipment compartment. The pair of antenna supporting parts is configured to support a pair of antennas. At least a portion of the pair of antenna supporting parts is disposed above the engine compartment. The pair of antenna supporting parts is connected to the pair of handrails. | 05-15-2014 |
| 20140133946 | HYDRAULIC EXCAVATOR - A hydraulic excavator basically includes a lower traveling unit, an upper revolving unit, a counterweight, a machine compartment, a first handrail, a second handrail and a pair of antenna supporting parts. The upper revolving unit is revolvably mounted on the lower traveling unit. The counterweight is disposed on the upper revolving unit. The machine compartment is disposed in front of the counterweight on the upper revolving unit. The first and second handrails are disposed on the machine compartment. The antenna supporting parts are configured to support a pair of antennas. The antenna supporting parts are respectively connected to the first and second handrails. | 05-15-2014 |
| 20140133945 | HYDRAULIC EXCAVATOR - A hydraulic excavator basically includes a lower traveling unit, an upper revolving unit, a counterweight, a machine compartment, a first handrail, a second handrail and a pair of antenna supporting parts. The upper revolving unit is revolvably mounted on the lower traveling unit. The counterweight is disposed on the upper revolving unit. The machine compartment is disposed in front of the counterweight on the upper revolving unit. The first and second handrails are disposed on the machine compartment. The antenna supporting parts are configured to support a pair of antennas. The antenna supporting parts are respectively connected to the first and second handrails. | 05-15-2014 |
| 20140130487 | HYDRAULIC DRIVE SYSTEM - A hydraulic driving system includes a hydraulic pump, a driving source, a hydraulic cylinder, a closed circuit hydraulic path between the pump and cylinder, a pump-flow-rate control unit controlling a discharge flow rate of the pump, a flow rate control valve between the pump and the cylinder in the fluid path, a directional control unit, a target flow rate setting unit and a control device. The directional control unit allows a flow of fluid from the pump to the cylinder and prohibits a flow of fluid from the cylinder to the pump when fluid is supplied from the pump to the cylinder via the flow rate control valve. The control device controls fluid flow to the cylinder with the flow rate control valve when the target flow rate is within a prescribed range, and with the pump-flow-rate control unit when the target flow rate is greater than the prescribed range. | 05-15-2014 |
| 20140129114 | WHEEL LOADER - Predetermined torque characteristics are obtained by multiplying by a predetermined ratio that is less than 100%, the upper value of engine output torque from the engine output torque line, for at least part of the range of engine rotation speed. Torque upper value information defines the upper value of engine output torque that changes in conformance with vehicle speed and tractive farce. When predetermined conditions for determination are satisfied, an engine output torque control part controls engine output torque based on torque upper value information. The predetermined conditions for determination at the least include that a travel condition is forward travel, that a work condition is laden condition and that a raise operation is being performed by the working machine. When the predetermined conditions for determination are not satisfied the engine output torque control part controls engine output torque based on predetermined torque characteristics. | 05-08-2014 |
| 20140129093 | WHEEL LOADER - A wheel loader includes a vehicle body, a work implement, a link mechanism and a control section. The work implement has a boom a work tool. The link mechanism is configured and arranged to change a relative angle of the work tool with respect to the boom when the boom is rotated upward, such that an amount of variation of an angle of the work tool with respect to a horizontal direction is less than an amount of variation of an angle of the work tool with respect to the horizontal direction when the boom is rotated upward while the work tool is at a fixed relative angle with respect to the boom. The control section is configured to execute an auto tilt control that causes the work tool to rotate upward when the boom is rotated upward within an angular range below the horizontal direction during excavation. | 05-08-2014 |
| 20140124284 | Construction Vehicle Equipped with Exhaust Aftertreatment Device - A construction vehicle adapted to travel using a wheel and equipped with an exhaust aftertreatment device to which a reductant is supplied is provided. At least a portion of the exhaust aftertreatment device including a front end thereof is located on a fender provided for the wheel. A supply pump adapted to supply the reductant and a reductant tank adapted to store the reductant are located ahead of the fender and below the exhaust aftertreatment device. The reductant tank is located below the supply pump. | 05-08-2014 |
| 20140123847 | HYDRAULIC EXCAVATOR - In a hydraulic excavator, a hydraulic cylinder drives a boom via a hydraulic fluid discharged from a first hydraulic pump. A first hydraulic circuit connects the first hydraulic pump and the hydraulic cylinder and forms a closed circuit therebetween. A hydraulic motor rotates a revolving upper unit with hydraulic fluid discharged from a second hydraulic pump. A second hydraulic circuit independent from the first hydraulic circuit connects the second hydraulic pump and the hydraulic motor. A motor hydraulic pressure reduction unit reduces the driving hydraulic pressure of the hydraulic motor when a predetermined condition is satisfied. The predetermined condition is a condition in which an operation of the boom operating member to raise the boom and an operation of the rotation operating member to rotate the revolving upper unit are conducted together and an operation amount of the boom operating member is equal to or greater than a predetermined threshold. | 05-08-2014 |
| 20140123639 | HYDRAULIC DRIVE SYSTEM - A hydraulic driving system includes a hydraulic cylinder with a cylinder tube and a cylinder rod, a main pump, a hydraulic-fluid path, a charge pump, a stroke position detecting unit, and a pump control unit. The hydraulic-fluid path forms a closed circuit between a main pump and the hydraulic cylinder. The cylinder rod expands or contracts depending on how hydraulic fluid is supplied and exhausted to and from first and second chambers. The charge pump replenishes hydraulic-fluid in the hydraulic-fluid path. The pump control unit performs flow-rate reduction control in which the pump control unit reduces a suction flow rate so that a suction flow rate of the main pump is equal to or less than a maximum discharge flow rate of the charge pump when the stroke position becomes closer to a stroke end of the cylinder rod than a prescribed reference position during the flow rate reduction control. | 05-08-2014 |
| 20140116797 | WORK VEHICLE - A wheel loader includes a vehicle frame, an engine, a supporting mechanism, a diesel articulate filtering device, and a connecting pipe. The engine is mounted on the vehicle frame, and the supporting mechanism is fixed to the vehicle frame. The diesel particulate filtering device is mounted on the supporting mechanism above the engine and has an exhaust gas inlet facing the rear. An exhaust upstream side end part of the connecting pipe is coupled to an exhaust part of the engine, and an exhaust downstream side end part of the connecting pipe is connected to an exhaust gas inlet of the diesel particulate filtering device from the rear. The connecting pipe includes an extending part that is disposed below the diesel particulate filtering device and extends rearward of the diesel particulate filtering device from the exhaust upstream side end part, and a flexible pipe part provided in the extending part. | 05-01-2014 |
| 20140116247 | REGENERATION CONTROL DEVICE AND REGENERATION CONTROL METHOD OF DIESEL PARTICULATE FILTER - A regeneration control device of a diesel particulate filter, includes: a regeneration control unit configured to combust particulate matter accumulated in a diesel particulate filter that removes the particulate matter from exhaust gas of an engine and regenerate the diesel particulate filter when an accumulation amount of the particulate matter accumulated in the diesel particulate filter exceeds a predetermined value, wherein the regeneration control unit is configured to perform lower limit control in which a lower limit of an engine speed is set to a value greater than or equal to a predetermined threshold value during the regeneration. | 05-01-2014 |
| 20140112747 | WORK VEHICLE AND BRAKE DEVICE THEROF - A brake device for a work vehicle includes a brake unit including a brake disc plate and a piston having a slide portion slidably supported by an axle housing and a pressure portion for pressing the brake disc plate. A slack adjuster mechanism is disposed on the axially opposite side of the brake disc plate with respect to the piston while being disposed further on an inner peripheral side than the slide portion of the piston. The slack adjuster mechanism maintains a clearance between the piston and the brake disc plate at a predetermined clearance by mechanically adjusting a non-actuated position of the piston. | 04-24-2014 |
| 20140110972 | WIPER DEVICE FOR CLEANING ROOF-LIGHT WINDOW, CAB, AND CONSTRUCTION MACHINE - A roof-light window wiper device includes a wiper motor having an output shaft; a wiper link coupled to the output shaft, and having an extension extending in a direction crossing the output shaft of the wiper motor, and a drive shaft extending in a direction crossing the extension, and a wiper connected to the drive shaft. The drive shaft and the output shaft extend at the side of the wiper motor relative to the wiper link. The wiper is connected to the drive shaft at the side of the wiper motor relative to the wiper link. Thus, there can be provided a roof-light window wiper device that can have the pressure of the wiper against the surface of a roof-light window increased by decreasing the depression angle of the wiper, and a cab and a construction machine including the roof-light window wiper device. | 04-24-2014 |
| 20140107882 | TRAVEL-RESTRICTED AREA SETTING SYSTEM FOR UNMANNED TRAVELING VEHICLE AND COMPUTER PROGRAM FOR SETTING TRAVEL-RESTRICTED AREA OF UNMANNED TRAVELING VEHICLE - A computer program product for setting a travel-restricted area for an unmanned traveling vehicle, where a travel of a vehicle traveling with no man attended is restricted in a workplace of an electric work machine that operates with electricity supplied via a cable from an external power supply, the computer program causing a computer to execute: estimating a position of the cable based on at least information on a position of the electric work machine, information on a position of a support body that supports the cable, and a length of the cable between the electric work machine and the support body, and setting the travel-restricted area based on the estimated position of the cable. | 04-17-2014 |
| 20140107849 | FUEL SUPPLY SYSTEM AND EARTH-MOVING MACHINE - A fuel supply system includes: a fuel supply facility capable of supplying fuel; an earth-moving machine capable of traveling toward the fuel supply facility; and a control apparatus that acquires execution permission information indicating whether or not fuel can be supplied to the earth-moving machine, and is capable of executing control based on the acquired execution permission information, wherein when the control apparatus determines that fuel cannot be supplied to the earth-moving machine based on the execution permission information at a time of supplying the fuel to the earth-moving machine, the control apparatus executes entry restriction control for restricting an entry to the fuel supply facility by the earth-moving machine. | 04-17-2014 |
| 20140102823 | HYDRAULIC EXCAVATOR - A hydraulic excavator includes an engine, a revolving frame supporting the engine, a vehicle body frame, a diesel particulate filter device, and a first connecting pipe. The vehicle body frame is disposed on the revolving frame. The diesel particulate filter device and the selective catalytic reduction device are supported by the vehicle body frame. The first connecting pipe connects the engine and the diesel particulate filter device. The first connecting pipe includes a bellows part that is extendable in at least a portion thereof. The diesel particulate filter device is located further away from the engine than the selective catalytic reduction device. The first connecting pipe passes below the selective catalytic reduction device and is connected to the diesel particulate filter device. A connecting portion for the diesel particulate filter device and the first connecting pipe is located below the diesel particulate filter device. | 04-17-2014 |
| 20140102085 | HYDRAULIC EXCAVATOR - A hydraulic excavator includes an engine, a rotating frame, a vehicle body frame, a diesel particulate filtering device, a selective catalytic reduction device, and a connecting pipe. The diesel particulate filtering device and the selective catalytic reduction device are supported by a vehicle body frame. At least a portion of the connecting pipe includes an extendable bellows part. The connecting pipe connects the engine and the diesel particulate filtering device. The diesel particulate filtering device is located further away from the engine than the selective catalytic reduction device along a first direction on a horizontal plane. The first tubular body portion of the diesel particulate filtering device and the second tubular body portion of the selective catalytic reduction device are disposed apart from each other with a space therebetween in a plan view. | 04-17-2014 |
| 20140100744 | DISPLAY SYSTEM OF EXCAVATING MACHINE AND EXCAVATING MACHINE - A display system of an excavating machine including a work machine having a bucket with an excavation edge and an arm to which the bucket is swingably attached, and a body to which the work machine is attached, the system including: a vehicle condition detector detecting first information related to a current position of the excavating machine and second information related to a posture of the body; a storage storing position information of a target surface indicating a target shape of an object and appearance information of the bucket; and a processor obtaining virtual images indicating positions of planes passing through both ends of the excavation edge from among planes parallel to a plane on which the arm moves based on the first and second information, and the appearance information, and displaying the virtual images on a screen with the bucket as viewed from above the excavating machine. | 04-10-2014 |
| 20140100712 | DISPLAY SYSTEM OF EXCAVATING MACHINE AND EXCAVATING MACHINE - An display system of an excavating machine includes: a vehicle condition detector detecting information related to a current position and a posture of the excavating machine having a work equipment including a bucket; a memory unit storing position information of a target surface indicating a target shape of an object to be worked; a display unit displaying the bucket and position information of a design surface and the target surface; and a processing unit calculating a position of a blade edge of the bucket based on the information related to the current position and the posture of the excavating machine, and, when at least part of the bucket enters a predetermined range in a periphery of the target surface in a direction orthogonal to the target surface, displaying a trajectory of the blade edge which is calculated based on the position of the blade edge and which exists in the predetermined range. | 04-10-2014 |
| 20140099178 | EXCAVATING MACHINE DISPLAY SYSTEM AND EXCAVATING MACHINE - The display system of the excavating machine has a work machine condition detection unit which detects information related to a current position of an excavating machine and a processing unit. This processing unit calculates an icon display of the bucket and the positions of the excavation edge portions viewed from a top of the excavating machine based on the information related to the current position of the excavating machine, the information related to the posture of the main body, the information about the positions of the excavation edge portions and the outer shape information about the bucket, and displays on a screen of a display device the target surface, the icon display position of the bucket, and an image which indicates the positions of the excavation edge portions. | 04-10-2014 |
| 20140097712 | ELECTRIC MOTOR - An electric motor includes: a shaft having an internal cooling medium passageway; a cooling medium supply portion provided inside a housing at a side of one end of the shaft and supplying a cooling medium to the internal cooling medium passageway; a rotation angle detection sensor attached at the side of the one end of the shaft and detecting a rotation angle of the shaft; a push member including a penetration hole through which the cooling medium supplied from the cooling medium supply portion passes and interposed between the cooling medium supply portion and the one end of the shaft to guide the cooling medium to the internal cooling medium passageway and pressing the rotation angle detection sensor from the side of the one end of the shaft; and a connector holding a terminal connected to a signal cable from the rotation angle detection sensor and attached to the housing. | 04-10-2014 |
| 20140085838 | Monitor and Working Vehicle Provided with the Monitor - A monitor includes a display in a form of a liquid crystal display, a drive substrate that controls the liquid crystal display, a monitor substrate that is provided opposite to the drive substrate with a clearance, a resin-made holder that is disposed in the clearance between the drive substrate and the monitor substrate and holds the liquid crystal display, and a flat cable that electrically connects the drive substrate with the monitor substrate. In the holder, a cable-insertion hole into which the flat cable is inserted is provided. In the cable-insertion hole, first and second restrainers that are in parallel to a width direction of the flat cable to be inserted and are separated in a longitudinal direction of the cable are provided. | 03-27-2014 |
| 20140084831 | CONTROL DEVICE AND METHOD FOR CONTROLLING ELECTRIC MOTOR - A control device of an electric motor includes: an operating state setting unit configured to set an operating state; a maximum output acquiring unit configured to acquire maximum output of the electric motor that is preset according to the operating state set; a speed detecting unit configured to detect a speed of the electric motor; a torque limit value calculating unit configured to calculate a torque limit value based on the speed and the maximum output; and a torque limiting unit configured to limit torque of the electric motor by the torque limit value when accelerating the electric motor. | 03-27-2014 |
| 20140083792 | STEERING DEVICE OF WHEEL LOADER - A steering device for a wheel loader includes a rotatable handle, a tiltable lever, a steering cylinder, a steering valve, a pump, a handle control valve, a lever control valve, and a handle prioritization valve. The steering valve controls a supply direction of operating fluid to the steering cylinder with pilot hydraulic pressure. The pump supplies operating fluid to the steering cylinder via the steering valve. The handle and lever control valves supply pilot hydraulic pressure to control the supply direction to the steering valve according to handle rotation and lever tilt, respectively. The handle prioritization valve shuts off the pilot hydraulic pressure supplied from the lever control valve to the steering valve according to a differential pressure or an absolute pressure in a hydraulic circuit produced due to operating fluid flowing through the handle control valve when the handle is operated. | 03-27-2014 |
| 20140083781 | HYDRAULIC EXCAVATOR - A hydraulic excavator includes an undercarriage having a crawler and a rotating superstructure. The rotating superstructure includes a plate-shaped rotating frame, an engine, a fuel tank a counterweight and a fuel line. The engine is mounted inside the rotating frame. The fuel tank is disposed on one side of the engine. The counterweight is supported on the rotating frame to the rear of the engine, and disposed so that a bottom end portion faces a rear end surface of the rotating frame with a gap interposed therebetween and the gap is open to the atmosphere. The fuel line is connected to the fuel tank and disposed in the gap between the rear end surface of the rotating frame and the bottom end portion of the counterweight. | 03-27-2014 |
| 20140078761 | CONSTRUCTION MACHINE - A wheel loader, which is a construction machine, includes: a rear vehicle body and a front frame; an operating device provided at the front frame; and a working lamp unit attached to a sidewall of the rear vehicle body. The working lamp unit has a light source and a bracket including a downward illuminating portion that covers at least an upper part of the light source and that protrudes more in the light illumination direction than a lens surface of the light source and that is inclined downward with respect to a horizontal direction. Thus, there is obtained a construction machine including a working lamp, in which visibility can be ensured both in a distant area and in an area near the construction machine. | 03-20-2014 |
| 20140077591 | Controller Mounted in Construction Machine - A controller mounted in a construction machine such as a dump truck includes a case having an upper surface provided with a plurality of heat release fins and a connector receiver hole for receiving a receptacle connector. The heat release fin includes a first heat release fin and a second heat release fin that are provided mutually crosswise to define an intersection. A first connector disposition face including a corner defined by the intersection and facing an edge of the upper surface is provided on the upper surface. A height of the receptacle connector disposed on the first connector disposition face is lower than a height of the first heat release fin and the second heat release fin. | 03-20-2014 |
| 20140069758 | POLE-ATTACHED CABLE RELAY CARRIAGE AND POWER SUPPLY SYSTEM TO ELECTRIC WORK MACHINE - A power support system to an electric work machine includes: a cable holding unit configured to hold a cable that transmits power; a cable support pole configured to support the cable held by the cable holding unit at a position higher than a height of a vehicle that travels on a track that intersects at a position where the cable is disposed; and a travel device connected to the cable holding unit and the cable support pole and configured to perform a traveling operation so as to be able to move the cable holding unit and the cable support pole. | 03-13-2014 |
| 20140060026 | WORK VEHICLE AND WORK VEHICLE CONTROL METHOD - A lock valve switching section switches a lock valve from a locked state to a released state when a lock member is switched from a locked position to a release position. An erroneous operation monitoring section maintains the lock valve in the released state when the pilot pressure is equal to or more than a predetermined pressure when elapsed time, which is from a point in time where the lock member is switched from the locked position to the release position, is equal to or more than the predetermined time. The erroneous operation monitoring section switches the lock valve to the locked state when the pilot pressure is equal to or more than the predetermined pressure when the elapsed time is less than the predetermined time. | 03-06-2014 |
| 20140059900 | EXCAVATING BUCKET FOR CONSTRUCTION MACHINE - An excavating bucket includes a cutting edge having inclined parts at its left and right ends, a plurality of adapters fixed to the distal end side of the cutting edge, corner adapters that are fixed to the inclined parts provided to the left and right ends on the cutting edge on the distal end side, whose distal end positions are disposed on the same line as the distal end positions of the plurality of center adapters, and that have recesses into which side plates are inserted, and joint portions where the corner adapters are joined to only the cutting edge by continuous weld. | 03-06-2014 |
| 20140058649 | WHEEL LOADER AND CONTROL METHOD OF WHEEL LOADER - A wheel loader includes a vehicle body frame, an engine, a working unit including a boom and a bucket, a cab accommodating therein an operator seat, a boom operating member an operating member that switches forward/rearward travelling, a first sensor configured and arranged to detect that the operating member is located in a neutral position, and a second sensor configured and arranged to detect that the boom has been operated. An engine control unit is configured to limit a maximum rotation speed of the engine to a predetermined rotation speed when the operating member for switching of forward/rearward travelling is located in the neutral position and the boom operating member has been operated. | 02-27-2014 |
| 20140058635 | Display Unit of Work Machine and Work Machine Mounted with the Display Unit - A multimonitor (display unit) is mounted in a mobile construction machine including an undercarriage and working equipment each driven by an engine, the multimonitor receiving a data of instant fuel consumption from a controller for controlling a fuel quantity to be supplied to the engine. The multimonitor includes a display including a single eco gauge (fuel-consumption indicator) for displaying fuel consumption in a street mode in which an undercarriage is operated and fuel consumption in a work mode in which working equipment is operated, a 100%-gauge fuel-consumption calculator that calculates a full-scale fuel consumption value in a full scale of the eco gauge based on target fuel consumption in the respective modes, and a gauge-display-value calculator that calculates a ratio of the instant fuel consumption to the 100% fuel consumption calculated by the 100%-gauge fuel-consumption value calculator. | 02-27-2014 |
| 20140054902 | ENGINE CONTROL DEVICE OF WORK MACHINE AND ENGINE CONTROL METHOD THEREFOR - An engine control device is provided including: detection units for detecting a driving state of a work machine using a generator, target engine speed setting units for causing, on the basis of the driving state, a target engine speed set for a case where electric power generation by the generator is OFF to be the same as a target engine speed set for a case where the electric power generation by the generator is ON, and engine target output calculation units for calculating an engine target output during electric power generation OFF that can be output at most when the electric power generation by the generator is OFF, and calculates an engine target output obtained by adding an output corresponding to an electric power generation amount by the generator to the engine target output when the electric power generation by the generator is ON. | 02-27-2014 |
| 20140048352 | MOVABLE TYPE LADDER DEVICE FOR WORK VEHICLE - A movable type ladder device for a work vehicle includes a ladder main body, a drive mechanism, and an up-and-down lock mechanism. The ladder main body has first and second end portions in a longitudinal direction thereof with the first end portion being rotatably supported with respect to the vehicle body. The drive mechanism is configured to move the ladder main body between a boarding posture and a retracted posture by rotating the ladder main body at an angle of 90 degrees. The up-and-down lock mechanism is configured to restrict the ladder main body set in the retracted posture from moving in an up-and-down direction. The rotational center axis is disposed perpendicularly to the longitudinal direction of the ladder main body set in the boarding posture in a front view, and perpendicularly to the longitudinal direction of the ladder main body set in the retracted posture in a plan view. | 02-20-2014 |
| 20140048294 | CONTROL METHOD FOR DRIVING A RIPPER - The control method for driving a ripper pertaining to the eight invention is a method for driving a ripper in which the movement of a ripper attached to the rear of the body of a bulldozer is controlled, said method comprising a first step in which the ripper is operated while the bulldozer is moving forward or is stopped, a second step in which the bulldozer is reversed and the ripper is raised, and a third step in which the ripper is automatically raised. | 02-20-2014 |
| 20140041956 | BULLDOZER - A vehicle body frame of a bulldozer has a left side frame, a right side frame, a base plate, and a cross member. The left and right side frames each extend in the front and back direction. The base plate spans across between the left and right side frames. The cross member is positioned between a hydraulic pump and left and right hydraulic motors. The cross member protrudes upward from the base plate. The cross member spans across between the left and right side frames. The cross member has a left conduit hole and a right conduit hole which are spaced apart in a left and right direction of the bulldozer. The first and second left hydraulic fluid tubes pass through the left conduit hole. The first and second right hydraulic fluid tubes pass through the right conduit hole. | 02-13-2014 |
| 20140041953 | BULLDOZER - A bulldozer is provided with an engine, a pump assembly, an engine auxiliary, and a connecting member. The engine has an output axis which extends in a front and back direction of the bulldozer. The pump assembly includes a plurality of hydraulic pumps. The plurality of hydraulic pumps are disposed behind the engine and are disposed to line up with each other in the front and back direction. The pump assembly is connected to the engine. The engine auxiliary is disposed behind the engine and is mounted to the engine. The connecting member connects the engine and the engine auxiliary. | 02-13-2014 |
| 20140041951 | TRANSPORT VEHICLE EQUIPPED WITH CURRENT COLLECTOR - A transport vehicle equipped with a current collector, includes: a vessel to load a load; a current collector that extends to receive electric power from an overhead line and contracts and retracts so as to be disposed away from the overhead line; and a vehicle body that rotationally drives driving wheels by at least one of the electric power from the current collector and a self-propelled driving source and on which the vessel is placed; a pantograph position detector that detects a relative position of the current collector and the overhead line; and a control device that controls a driving direction of the vehicle body or gives an instruction of information with which a direction in which the vehicle body is to be operated can be recognized, so that the relative position is brought to a position where the current collector and the overhead line are connected. | 02-13-2014 |
| 20140032006 | MINE POWER MANAGEMENT SYSTEM - A mine power management system includes: a first power line provided at an ascent and configured to exchange electric power with an ascending vehicle traveling on the ascent; a second power line provided at a descent and configured to exchange electric power with a descending vehicle traveling on the descent; and a power supply and storage apparatus configured to exchange electric power at least between the first power line and the second power line. | 01-30-2014 |
| 20140027229 | TRANSPORT VEHICLE EQUIPPED WITH CURRENT COLLECTOR - A dump truck | 01-30-2014 |
| 20140027228 | SELF-PROPELLED CABLE RELAY TRUCK - A self-propelled cable relay truck includes: a power transmission relay unit to which a power supply side cable configured to perform power transmission between a power supply and the relay truck, and a work machine side cable configured to perform power transmission between an electric work machine and the relay truck are connected to perform relay of the power transmission between the power supply side cable and the work machine side cable; a travel device configured to perform traveling operation so as to be able to move the power transmission relay unit; and a movement control unit configured to perform movement control of the travel device. | 01-30-2014 |
| 20140027013 | AUTOMATIC SUPPLY SYSTEM OF CONSUMABLE MATERIAL - An automatic supply system of a consumable material includes: an automatic supply device that automatically supplies a consumable material to a vehicle capable of being loaded with a cargo; and a control device that obtains loading information indicating whether or not the cargo is loaded on the vehicle, and is able to control an automatic supply of the consumable material to the vehicle based on the obtained loading information, wherein, when the control device determines that the cargo is loaded on the vehicle from the obtained loading information, the control device controls the automatic supply device not to perform the automatic supply of the consumable material to the vehicle. | 01-30-2014 |
| 20140023484 | COOLING STRUCTURE OF GENERATOR MOTOR AND GENERATOR MOTOR - A cooling structure of a generator motor includes: a first passage provided to an end side member placed at one end of a housing of a generator motor, the first passage extending toward a rotation center axis of an input/output shaft housed in the housing, the first passage opening to a side of the input/output shaft, and the first passage including a restriction section halfway through; and a second passage provided to the end side member, branching off from the first passage at a position on an outer side in a radial direction of the input/output shaft than the restriction section and subsequently extending toward a rotor attached to an outside of the input/output shaft, and the second passage opening to a side of the rotor. | 01-23-2014 |
| 20140020967 | BATTERY-POWERED FORKLIFT - A battery-powered forklift including a fork placed at an anterior portion of a vehicle body, and a counter weight placed at a posterior portion of the vehicle body, the battery-powered forklift running by electric power of a battery mounted on the vehicle body, wherein a concave portion that is open in a longitudinal direction is formed at an upper surface of the counter weight, the battery is mounted on a position above a rear wheel of the vehicle body while at least a part of the battery overlaps with the counter weight, and the battery is removable toward a rear of the vehicle body through the concave portion of the counter weight. | 01-23-2014 |
