| Entries |
| Document | Title | Date |
|---|
| 20080317574 | Swing Drive Device and Work Machine - The invention provides a swing drive device that is capable of energy conservation by limiting loss of hydraulic fluid pressure energy resulting from discharge of the hydraulic fluid pressure energy as thermal energy into the air during acceleration or deceleration of swinging action and transforming motion energy to electric energy during deceleration of swinging action, and also enables cost reduction by making components and parts compact. | 12-25-2008 |
| 20110150615 | DUAL ARM WORKING MACHINE - A dual arm hydraulic excavator | 06-23-2011 |
| 20110176899 | Mobile Device - Mobile apparatus, comprising a main frame ( | 07-21-2011 |
| 20110318157 | Construction Machine, Method for Controlling Construction Machine, and Program for Causing Computer to Execute the Method - A controller constituting a construction machine includes: a target value computing unit that generates a speed target value of a boom based on a lever manipulating signal; a target value correcting unit that corrects the speed target value; and a command signal output unit that outputs a command signal to a boom driving device based on the corrected speed target value. The target value correcting unit includes: a motion information acquiring unit that acquires motion information on a motion of an arm; a maximum value determining unit that determines based on the motion information a maximum correction value for reducing suppression of a floating motion by a floating motion suppressing unit as the motion of the arm becomes faster; and a correction value regulating unit that corrects the speed target value based on the maximum correction value. | 12-29-2011 |
| 20120076628 | HYDRAULIC CROWD SYSTEM FOR ELECTRIC MINING SHOVEL - A mining shovel ( | 03-29-2012 |
| 20120099955 | MOBILE WORKING MACHINE COMPRISING A POSITION CONTROL DEVICE OF A WORKING ARM, AND METHOD FOR CONTROLLING THE POSITION OF A WORKING ARM OF A MOBILE WORKING MACHINE - A mobile working machine includes a working arm which is mounted in an articulated manner, by a first end, on a revolving superstructure of the working machine, and a tool which is mounted in a displaceable manner on a second end of the working arm. The mobile working machine includes a position control device of a working arm. At least one inclination sensor is arranged on the revolving superstructure and at least one inclination sensor is arranged on the working arm. Also, at least one rotation rate sensor is arranged on the working arm. The working machine further includes a calculation unit for processing the signals of the at least one inclination sensor, of at least one additional inclination sensor, and of at least one rotational rate sensor. | 04-26-2012 |
| 20120134768 | CONSTRUCTION MACHINE - A floor member is formed by a seat support platform on a rear side and a footrest area located on a front side of the seat support platform, and a cab box is formed by a front panel, a rear panel, a left front side panel, a left rear side panel, a right side panel, and a top panel. A right reinforcing panel is provided at a right side position of the floor member and rises upwardly of the footrest area. The right side panel of the cab box corresponding to this right reinforcing panel is provided with a notched portion for avoiding interference with the right reinforcing panel. Accordingly, since the strength at the right side position of the floor member can be enhanced by the right reinforcing panel, it is possible to prevent deformation such as torsion and distortion when the floor member is tilted up. | 05-31-2012 |
| 20120177470 | HYDRAULIC EXCAVATOR, AND HYDRAULIC EXCAVATOR CONTROL METHOD - In a hydraulic excavator, a controller is configured to control output of an engine based on a first engine output torque line that defines an upper limit for engine output torque against engine rotation rate. The controller is configured to determine which of two operations, a high hydraulic load operation in which a work machine is subjected to a high hydraulic load and a low hydraulic load operation in which the work machine is subjected to a low hydraulic load, is being performed. When swinging for a revolving unit and the low hydraulic load operation for the work machine are being performed as a combined operation, the controller is configured to control the output of the engine based on a second engine output torque line. The second engine output torque line is an engine output torque line with a lower engine output torque than the first engine output torque line. | 07-12-2012 |
| 20120195729 | ROPE SHOVEL WITH CURVED BOOM - A mining shovel includes a digging assembly having a generally V-shaped boom including a lower connection point for attachment to the mining shovel. A first portion of the boom extends generally upwardly from the lower connection point, and a second portion of the boom is angled with respect to and extends upwardly and forwardly from the first portion. The second portion includes a distal end defining a sheave support, and a pivot element is positioned generally at a connection area between the first portion and the second portion. The digging assembly also includes a boom attachment having a first end that is pivotally supported by the pivot element and a second end that is supported by the sheave support. | 08-02-2012 |
| 20130004280 | HYDRAULIC CONTROL SYSTEM HAVING SWING MOTOR ENERGY RECOVERY - A hydraulic control system for a machine is disclosed. The hydraulic control system may have a work tool movable through segments of an excavation cycle, a motor configured to swing the work tool during the excavation cycle, at least one accumulator configured to selectively receive fluid discharged from the motor and to discharge fluid to the motor during the excavation cycle, and a controller. The controller may be configured to receive input regarding a current excavation cycle of the work tool, and make a determination based on the input that the current excavation cycle is associated with one of a set of known modes of operation. The controller may be further configured to cause the at least one accumulator to receive fluid and discharge fluid during different segments of the excavation cycle based on the determination. | 01-03-2013 |
| 20130004281 | SYSTEM AND METHOD FOR CONTROLLING POWER IN MACHINE HAVING ELECTRIC AND/OR HYDRAULIC DEVICES - Disclosed is a system for controlling power in a machine. The system includes a controller configured to determine a level of power to be provided or consumed by at least one of an electric device and a hydraulic device based on request signals, operation signals, and a control strategy for controlling at least one of electric power and hydraulic power for the machine, and provide control signals for controlling operation of the at least one device. The control strategy includes a subsystem control and a supervisory control. The subsystem control includes at least one of electric and hydraulic subsystem controls for controlling operation of at least one of an electric device and a hydraulic device. The subsystem control is configured to provide range signals indicative of at least one of a range of acceptable electric power levels and a range of acceptable hydraulic power levels, and the supervisory control is configured to determine the control signals. | 01-03-2013 |
| 20130017048 | CONSTRUCTION MACHINEAANM Kimura; ShougoAACI Ritto-shiAACO JPAAGP Kimura; Shougo Ritto-shi JPAANM Ishii; HajimeAACI Higashiomi-shiAACO JPAAGP Ishii; Hajime Higashiomi-shi JPAANM Tabeta; HiroshiAACI Konan-shiAACO JPAAGP Tabeta; Hiroshi Konan-shi JP - A suction duct ( | 01-17-2013 |
| 20130058747 | Construction Machinery - [Problem] To provide a construction machine with a step arranged in an operator's cab, which makes it possible to enlarge the shape or dimensions of the step without increasing a swing radius. | 03-07-2013 |
| 20130078068 | Construction Machine - A compact excavator includes an operator's cab with a door capable of opening and closing an opening surface forming a boarding port. The door includes one door piece, and has a flexing portion which is closer to a front pillar than the central portion of the door when the door is in a closed state. The flexing portion is shaped to have a first area so formed that when the door is in a closed state, the first area approaches the opening surface as the first area approaches the front pillar, and a second area arranged continuously with the first area and nearer the front pillar than the first area and being formed so that the second area draws away from the opening surface as the second area approaches the front pillar. | 03-28-2013 |
| 20130108404 | Electric Work Vehicle | 05-02-2013 |
| 20130115035 | CONSTRUCTION MACHINE WITH HYDRAULIC CIRCUIT - Provided is a construction machine including a first circuit with a boom cylinder, a second circuit with an arm cylinder and a third circuit with a slewing motor, first to third pumps discharging respective first to third pump fluids, a first flow combining valve having a first combining position for the third and first pump fluids and a first combination limiting position, a second flow combining valve having a second combining position for the third and second pump fluids and a first combination and a second combination limiting position, and a flow combination switching control section which switches the flow combining valves to their respective combination limiting positions during an arm attracting operation and switches the combining valves to their respective combination limiting positions during a single slewing operation or during a boom raising operation with no arm operation. | 05-09-2013 |
| 20130115036 | HYDRAULIC EXCAVATOR - A hydraulic excavator includes a lower travel body, an upper swivel buds, a harness and a bracket. The harness is drawn out from an interior of a cab, disposed between the cab and a center frame, and connected to electrical components. The bracket is secured to the cab and supports the harness along a side surface of the cab. The harness is supported about a periphery of the bracket, and has a first, portion downwardly drawn out from a bottom surface of the cab, a second portion extending more outward than the side surface of the cab and forward from the first portion along the bottom surface of the cab, a third portion extending upward from the second portion along the side surface of the cab, and a fourth portion extending toward a rear part of the hydraulic excavator from the third portion along the side surface of the cab. | 05-09-2013 |
| 20130115037 | HYDRAULIC EXCAVATOR - A hydraulic excavator includes a lower travel body, an upper swivel body, a cooling unit, and first and second exterior members. The cooling unit includes a first cooling device disposed facing the first exterior member, and a second cooling device disposed on a side of the first cooling device towards the second exterior member and in midway in an air channel between the second exterior device and a cooling fan. The second cooling device extends in a direction intersecting a direction in which the first cooling device extends. The first and second exterior members have first and second openings in portions that overlap the first and second cooling devices in a height direction, respectively. A lower edge of one of the first opening and the second opening disposed at a higher position is positioned higher than an upper edge of the other of the first opening and the second opening. | 05-09-2013 |
| 20130129459 | CONSTRUCTION MACHINE HAVING HYDRAULIC CIRCUIT - A construction machine includes a hydraulic actuator circuit including: a first circuit connected to one of travel motors and a boom cylinder; a second circuit connected to the other travel motor and arm cylinder; and a third circuit connected to a slewing motor; control valves for hydraulic actuators; and a merging valve having a first position for unloading hydraulic fluid discharged from a third pump upon no operation except for two travel motors; a second position for merging the hydraulic fluid into the first and second circuits upon a simultaneous operation of the travel motors and an operation of at least one remaining hydraulic actuator except for a boom raising operation; and a third position for merging the hydraulic fluid into the first circuit while blocking it from the second circuit upon the boom raising operation. | 05-23-2013 |
| 20130149094 | CONSTRUCTION MACHINE - A revolving frame is composed of a center frame and a tail frame. The center frame is composed of a front bottom plate and left and right front vertical plates erected on the front bottom plate and having front part sides being left and right bracket portions performing pin-connection between a lower boom of a working mechanism and a boom cylinder. The tail frame is composed of left and right I-section beams and a rear bottom plate connecting each I-section beam to each other. A height dimension (A) between boom pin through holes provided in the bracket portions is set smaller than a height dimension (B) of the front end of an upper flange portion of the I-section beam. | 06-13-2013 |
| 20130149095 | MOBILE APPARATUS - Mobile apparatus, comprising a main frame and a sub-frame connected in rotatable manner to the main frame, a control cab/rollover protection and an operating arm, wherein at least one recess is provided in the rollover protection/cab, which recess provides space for parts of the operating arm. | 06-13-2013 |
| 20130202397 | TRACTOR INSTALLED ROTATABLE ARM - The present invention provides a tractor with a rotatable articulated arm in which a rotating shaft is installed around a driver cab of the tractor, and the articulated arm is coupled to the rotating shaft so that the articulated arm can rotate around the rotating shaft within as large an angular range as possible, whereby an operating radius and working efficiency of an operating implement mounted to an end of the articulated arm can be markedly improved. In the present invention, the driver cab which is provided with a driver seat is disposed on a body frame at a position displaced to one side from a central portion of the body frame. The rotating shaft is installed around the driver cab. The articulated arm is installed on the rotating shaft so that the articulated arm can rotate around the rotating shaft. | 08-08-2013 |
| 20130216344 | HYDRAULIC EXCAVATOR - A hydraulic excavator includes a lower travel body, an upper swiveling body, an exterior door, and a louver. The upper swiveling body has a swiveling platform and a frame with a lower end part of the frame being secured to the swiveling platform, the upper swiveling body being swivelably supported by the lower travel body. The exterior door has a curved part in which an opening is formed. The exterior door is openably/closably supported by the frame of the upper swiveling body. The louver blocks the opening in the exterior door in a closed state, and the louver is mounted in the frame of the upper swiveling body. | 08-22-2013 |
| 20130223966 | REVOLVING FRAME OF CONSTRUCTION MACHINE - A revolving frame is provided with left and right vertical plates installed upright on a bottom plate, and a front plate arranged on a front side of the bottom plate and connecting the left and right vertical plates to each other. A left reinforcing plate is provided at a corner where the left vertical plate and the front plate cross each other, and a right reinforcing plate is provided at a corner where the right vertical plate and the front plate cross each other. As a result, the corner portion where the left vertical plate and the front plate cross each other is reinforced by the left reinforcing plate while a left side closed space (LS) is formed, and the corner portion where the right vertical plate and the front plate cross each other is reinforced by the right reinforcing plate while a right side closed space (RS) is formed. | 08-29-2013 |
| 20130236281 | CONSTRUCTION MACHINE - An upper revolving structure ( | 09-12-2013 |
| 20130243557 | HYBRID CONSTRUCTION MACHINE - Provided is a hybrid construction machine capable of letting the operator immediately stop the swing structure by performing a stopping operation for ordinary construction machines even when the swing structure moves differently from the operator's will for some reason. The hybrid construction machine comprises: an inverter controller which outputs a PWM signal to an inverter and thereby controls the revolution speed of an electric motor; a first electric circuit including blocking means which blocks the PWM signal outputted from the inverter controller to the inverter in response to either an immobilization selection inputted through a gate lock lever switch or an OFF selection inputted through an ignition switch; and a second electric circuit including a swing brake solenoid valve which activates a swing brake in response to either the immobilization selection inputted through the gate lock lever switch or the OFF selection inputted through the ignition switch. | 09-19-2013 |
| 20130259623 | CONSTRUCTION MACHINE - A striker provided on a rear surface part of an engine cover is mounted on the rear surface part by using nuts from an inner surface. In a counterweight, a bracket is mounted on a top surface of a center weight portion by using bracket bolts, and a latch is mounted on a latch mounting surface of the bracket by using latch bolts. In this state, a hiding member is mounted on a hiding member mounting surface of the bracket by using hiding member bolts. At this time, the hiding member can cover and hide the bracket bolts and the latch bolts. Further, at the time the engine cover is closed, the bolts can be hidden. | 10-03-2013 |
| 20130259624 | CONSTRUCTION MACHINE - An engine cover comprises a top surface part covering an engine from above and a rear surface part hanging down from a rear end of the top surface part and making contact with a top surface of a counterweight. A lock device is provided between the engine cover and the counterweight for locking the engine cover to the counterweight. The rear surface part of the engine cover is recessed toward the engine side to provide a lock device-accommodating recessed portion for accommodating the lock device. A camera opening is provided in an upper position of the lock device-accommodating recessed portion, and the rear-view camera is mounted to an inner surface side of the engine cover in a position corresponding to the camera opening. | 10-03-2013 |
| 20130302124 | EXCAVATION CONTROL SYSTEM AND CONSTRUCTION MACHINE - An excavation control system includes a working unit, hydraulic cylinders, a prospective speed obtaining part, a speed limit selecting part and a hydraulic cylinder controlling art. The prospective speed part is configured to obtain a first prospective speed depending on a first distance between the bucket and a first designed surface, and a second prospective speed depending on a second distance between the bucket and a second designed surface. The speed limit selecting part is configured to select one of the first and second prospective speeds as a speed limit based on a relative relation between the first designed surface and the bucket and a relative relation between the second designed surface and the bucket. The hydraulic cylinder controlling part is configured to limit a relative speed of the bucket relative to one of the first and second designed surfaces to the speed limit. | 11-14-2013 |
| 20130302125 | CONSTRUCTION MACHINE - An upper revolving structure is provided with a revolving frame, a floor member, and a cab box. On this, an indoor unit for an air conditioner is provided on the floor member, and an outdoor air inlet port is provided by being opened to the outside of the cab box. An outdoor air duct is provided for supplying outdoor air introduced through the outdoor air inlet port toward the indoor unit. In this duct, an intermediate portion is arranged at a high position on the side of an operator's seat, and on this intermediate portion, a filter accommodating portion is provided by being opened into the cab box. In the filter accommodating portion, an outdoor air filter for trapping dusts in the outdoor air flowing through the outdoor air duct is accommodated capable of being attached and removed. | 11-14-2013 |
| 20130315699 | EXCAVATION CONTROL SYSTEM - An excavation control system includes a working unit, hydraulic cylinders, a prospective speed obtaining part, a relative speed obtaining part, a speed limit selecting part and a hydraulic cylinder controlling part. The prospective speed obtaining part obtains first and second prospective speeds depending on first and second intervals between first and second monitoring points of the bucket and a designed surface, respectively. The relative speed obtaining part obtains first and second relative speeds of the first and second monitoring points relative to the designed surface, respectively. The speed limit selecting part selects one of the first and second prospective speeds as a speed limit based on relative relations between the first and second relative speeds and the first and second prospective speeds, respectively. The hydraulic cylinder controlling part limits a relative speed of one of the first and second monitoring points to the speed limit. | 11-28-2013 |
| 20130322999 | CONSTRUCTION MACHINE | 12-05-2013 |
| 20130330158 | WORKING MACHINE - The present invention is intended to provide a working machine allowing to form a large opening angle of an equipment cover while avoiding an obstacle even existing in front thereof. A rotating base is installed on a travelling machine body which includes right and left travelling devices, wherein an operation seat and vehicle equipment are arranged in the right and left, an equipment cover for covering the vehicle equipment is openably and closably provided, and a front lower portion of the equipment cover is pivotally supported on the rotating base via a lateral shaft. The lateral shaft of the equipment cover is inclined rearward from one end which is positioned in a side of the operation seat to the other end which is positioned in a side of a side portion of the rotating base. | 12-12-2013 |
| 20130330159 | Control Valve Attachment Structure for Construction Machine - A mount structure for a control valve unit is provided to permit selective mounting of a small first control valve unit or a large second control valve unit on bodies of construction machines of different models the same family without incurring an increase in the number of kinds of parts or components. The control valve unit may be a small first control valve unit or a large second control valve unit. The mount structure is constructed such that upon mounting the first or second control valve unit on a bracket on which the first or second control valve unit may be selectively mounted, a barycentric position of the bracket with the first control valve unit mounted thereon and a barycentric position of the bracket with the second control valve unit mounted thereon are located on an imaginary line connecting paired hanging-member fixing portions of the bracket. | 12-12-2013 |
| 20130330160 | CONSTRUCTION MACHINE WITH WORKING ATTACHMENT - A construction machine, including: a hydraulic pump; a working attachment including a boom, a boom cylinder, and another fluid-supplied cylinder closer to a leading end than the boom cylinder; first and second operation devices for the boom cylinder and the fluid-supplied cylinder; first and second control valves; a flow-rate-limiting section; and an anti-cavitation circuit. The fluid-supplied cylinder receives fluid-supply from the hydraulic pump, together with the boom cylinder. A reaction force upon work accompanying extension of the fluid-supplied cylinder increases the rod-side pressure of the boom cylinder and reduces a head-side pressure. The flow-rate-limiting section limits a supply flow rate to a head-side fluid chamber of the boom cylinder only during a boom-raising-operation with the rod-side pressure higher than the head-side pressure in the boom cylinder. The anti-cavitation circuit replenishes hydraulic fluid from a tank to the head-side fluid chamber. | 12-12-2013 |
| 20140003901 | HYDRAULIC EXCAVATOR | 01-02-2014 |
| 20140017053 | CONSTRUCTION MACHINE - An entrance way is provided on a left front surface surrounded by the left front pillar, the left intermediate pillar, and the left front roof pillar of the cab box, and a door for opening/closing this entrance way is mounted rotatably on a left intermediate pillar. A seal member for sealing the entire periphery of the cab box when the door is closed is provided in the periphery of the door. On the lower side of the left front roof pillar, a seal receiving member is provided separately from the left front roof pillar, and this seal receiving member forms a seal receiving surface with which an upper seal portion extending in the front-rear direction at an upper side position of the seal member is brought into contact when the door is closed. | 01-16-2014 |
| 20140017054 | CONSTRUCTION MACHINE - On a revolving frame ( | 01-16-2014 |
| 20140023473 | CONSTRUCTION MACHINE - On the right front side of a revolving frame ( | 01-23-2014 |
| 20140064900 | METHOD AND APPARATUS FOR OPERATING A FEEDING DEVICE - A method and apparatus for locating an individual's mouth and using a feeding device to transfer food to the individual. For example, the apparatus includes a facial recognition sensor that approximates the location of the individual's mouth. Based in part on the output of the facial recognition sensor a feed arm assembly delivers or transfers food to the individual's mouth. In addition to a facial recognition sensor, distance or proximity sensors can also be used to determine the location of the individual's mouth. | 03-06-2014 |
| 20140119867 | ENERGY RECOVERY SYSTEM HAVING INTEGRATED BOOM/SWING CIRCUITS - An energy recovery system for a machine is disclosed. The energy recovery system may have a boom circuit with at least a one linear actuator configured to move a work tool, and a boom accumulator configured to selectively collect pressurized fluid from the at least one linear actuator and to discharge pressurized fluid back to the at least one linear actuator. The energy recovery system may also have a swing circuit with a swing motor configured to move the work tool, and a swing accumulator configured to selectively collect pressurized fluid from the swing motor and discharge pressurized fluid back to the swing motor. The energy recovery system may further have a common accumulator passage fluidly connecting the boom accumulator and the swing accumulator. | 05-01-2014 |
| 20140119868 | ENERGY RECOVERY SYSTEM HAVING PEAK-SHAVING ACCUMULATOR - An energy recovery system for a machine is disclosed. The energy recovery system may have a tank, a pump configured to draw fluid from the tank and pressurize the fluid, an actuator, and an actuator control valve movable to direct pressurized fluid from the pump to the actuator and from the actuator to the tank to move the actuator. The energy recovery system may also have a motor connected to selectively receive fluid discharged from the actuator and mechanically connected to the pump, and an accumulator configured to store fluid discharged from the motor and to direct stored fluid to the motor to drive the pump. | 05-01-2014 |
| 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 |
| 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 |
| 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 |
| 20140147238 | CONSTRUCTION MACHINE - An object of the present invention is to provide a construction machine that is capable of effectively charging electrical power into the capacitor in consideration of the drive of a swing section and hydraulic work device. To achieve the object, the present invention grasps the status of the construction machine ( | 05-29-2014 |
| 20140161578 | CONSTRUCTION MACHINE - An operator's seat mounting section ( | 06-12-2014 |
| 20140199147 | CONTROL SYSTEMS FOR A MINING VEHICLE - A mining shovel includes a dipper assembly comprising a dipper arm coupled to a dipper, a boom assembly configured to support the dipper assembly, and an overcrowd prevention system including one or more sensors configured to monitor an axial force. The mining shovel also includes a swing abuse prevention system, including one or more sensors configured to monitor one or more compound loading forces, and one or more sensors configured to monitor a torsion loading force. The mining shovel also includes a control module configured to receive signals from the sensors, and to control at least the crowding force applied to the dipper. | 07-17-2014 |
| 20140199148 | HYBRID CONSTRUCTION MACHINE - In hybrid construction machine employing a hydraulic motor and an electric motor for the driving of the swing structure, satisfactory operability of a combined operation of the swing structure and other actuators is secured irrespective of the operating status of the electric motor. | 07-17-2014 |
| 20140205411 | WORKING MACHINE - A front bracket has a fixed part that is fixed to a bottom plate and vertical plates, and a pair of protruded parts that are protruded backward from a rear part of the fixed part so as to extend upper parts of sidewall parts. The fixed part and the protruded parts are sandwiched between opposite surfaces that are opposite to each other at front parts of the vertical plates. The protruded parts are welded to opposite surfaces of the vertical plates that are brought into contact with the protruded parts. Each welded portion between the protruded part and the opposite surface of the vertical plate is formed along an edge of the protruded part that is in contact with the opposite surface of the vertical plate. | 07-24-2014 |
| 20140219762 | MULTI-DECK MINING VEHICLE - A mining vehicle includes one or more crawlers, a first deck positioned above the crawlers, and a second deck positioned above the first deck. The first deck includes a first floor surface providing a walking surface, and one or more first deck maintenance components configured to allow a person to move among and access the first deck maintenance components. The second deck includes a second floor surface providing a walking surface, one or more second deck maintenance components, and one or more aisles configured to allow a person to move among and access the second deck maintenance components. The first and second decks are configured to provide maintenance access to the first and second deck maintenance components. | 08-07-2014 |
| 20140234062 | SHOVEL - An upper turning body is mounted on a lower travelling body to be capable of turning. An attachment is arranged in the upper turning body. A power storage device is arranged in the upper turning body together with the attachment. A discharge current from the power storage device drives electric parts. The power storage device has a housing in which a first flow path for coolant's flow is formed. A power storage module is arranged inside the housing. The power storage module includes stacked power storage cells, and the power storage cells are thermally coupled to the first flow path. The housing includes a lower housing and an upper housing. The first flow path is formed in one of a bottom panel of the lower housing and an upper panel of the upper housing. | 08-21-2014 |
| 20140271074 | Construction Machine Control System - The invention provides a construction machine control system comprising a working tool ( | 09-18-2014 |
| 20140301816 | CONSTRUCTION MACHINE - A cooling fan ( | 10-09-2014 |
| 20150016932 | CONSTRUCTION MACHINE - A first accommodating case ( | 01-15-2015 |
| 20150050110 | EXCAVATION CONTROL SYSTEM FOR HYDRAULIC EXCAVATOR - An excavation control system includes a working unit having a bucket, a designed landform data storage part storing designed landform data, a bucket position data generation part that generates bucket position data, a designed surface data generation part, and an excavation limit control part. The designed surface data generation part generates superior and subordinate designed surface data based on the designed landform and bucket position data. The superior designed surface data indicates a superior designed surface corresponding to a position of the bucket. The subordinate designed surface data indicates a first subordinate designed surface linked to the superior designed surface. The designed surface data generation part generates shape data indicating shapes of the superior designed surface and the first subordinate designed surface. The excavation limit control part automatically adjusts a position of the bucket. | 02-19-2015 |
| 20150056051 | CONSTRUCTION MACHINE - A control valve block is mounted on a bottom plate of a revolving frame through a control valve block mounting plate. In this case, a left support member and a right support member are provided on a back surface of the control valve block mounting plate at two spots with equal distances sandwiching a center position of gravity (G) of the control valve block. The left and right support members are mounted on a support beam provided on the bottom plate of the revolving frame. On the other hand, a weight-reducing part is provided at a part in the bottom plate of the revolving frame away from the support beam. The control valve block which is a heavy article is stably supported on the bottom plate at two spots sandwiching its center position of gravity (G). Moreover, the weight of the revolving frame can be reduced by the weight-reducing part. | 02-26-2015 |
| 20150056052 | CONSTRUCTION MACHINE - A heat exchanging device has a frame member mounted on a revolving frame, and this frame member supports an oil-cooler and a radiator. A support member is to support a canopy and the like. The support member is composed of a housing support base provided by extending in the left-right direction on an upper side of the engine and a left front leg part and a left rear leg parteach having an upper end mounted on a left-side position in the left-right direction of the housing support base and a lower end mounted on the revolving frame by straddling an engine. The housing support base of this support member has a right side in the left-right direction formed as a free end. Further, the free end of the housing support base is configured to be mounted on the frame member of the heat exchanging device. | 02-26-2015 |
| 20150063968 | FLYWHEEL EXCAVATOR - A hybrid construction machine is provided. The machine includes a prime mover, at least one fluid pump, at least one fluid actuator, a swing motor, a first flywheel, and a second flywheel. The prime mover drives the at least one fluid pump. The fluid pump provides pressurized fluid to drive the at least one fluid actuator. The returning fluid from the at least one fluid actuator can be used to drive a swing motor, which in turn drives a swing structure. Further, the second flywheel is also coupled with the prime mover. The second flywheel can be configured to store the energy when the prime mover is driven by the at least one fluid pump. The at least one fluid pump is driven by the return fluid from the at least one fluid actuator. | 03-05-2015 |
| 20150078872 | SHOVEL AND METHOD OF CONTROLLING SHOVEL - A shovel includes an internal combustion engine, a hydraulic pump connected to the internal-combustion engine, a generator connected to the internal-combustion engine, and a control part that controls the generator. The control part increases an electric generation load of the generator before a hydraulic load of the hydraulic pump increases. | 03-19-2015 |
| 20150086315 | HYBRID CONSTRUCTION MACHINE - Provided is a hybrid construction machine capable of preventing overcharge, comprising: an engine; a generator-motor; a hydraulic pump; a hydraulic actuator to be operated by the hydraulic pump as a hydraulic pressure source; an actuator regeneration section to make a regenerative action of generating actuator regenerated-electric-power through return fluid from the hydraulic actuator; an electric storage device; a charging-rate detector; and a control section. The control section performs: causing the electric storage device to be charged with electric power generated by the generator-motor and the actuator regenerated-electric-power; causing the generator-motor to make a motor action through electric power stored in the electric storage device to assist the engine; and a regeneration control including stopping the generator action and restricting the actuator regenerated-electric-power, when a detected charging rate of the electric storage device is not smaller than a preset charging-rate limitation value. | 03-26-2015 |
| 20150147147 | WORK VEHICLE - A work vehicle includes a vehicle main body, a work implement, an engine, an idle reduction execution portion, and a position determination portion. The work implement is provided in the vehicle main body and includes a boom provided to be drivable in a vertical direction, an arm provided to be drivable with respect to the boom, and a bucket attached to a tip end of the arm. The idle reduction execution portion can stop the engine in an idling state. The position determination portion determines whether or not the bucket may interfere with the vehicle main body, based on a position state of rest of the work implement. When the position determination portion determines that the bucket may interfere with the vehicle main body, the idle reduction execution portion does not stop the engine, and when it is determined otherwise, the idle reduction execution portion stops the engine. | 05-28-2015 |
| 20150299987 | CONSTRUCTION MACHINE - A construction machine includes: a lower traveling body; an upper slewing body; a front attachment; a plurality of hydraulic actuators including traveling motors; hydraulic pumps; a plurality of control valves for the hydraulic actuators; a plurality of operation units for the control valves; traveling operation detectors that detect operations for the operation units for the traveling motors of the operation units; a back-pressure compensation valve generating back pressure in a return pipe line connecting each of the control valves and a tank and having a setting pressure switchable between low and high pressure setting values; and a back-pressure control section performing a back-pressure lowering control of making the setting pressure of the back-pressure compensation valve be the low pressure setting value when traveling operation amounts in the traveling operation units are large. | 10-22-2015 |
| 20150361641 | SWING CONTROL SYSTEM FOR CONSTRUCTION MACHINES - The disclosed invention relates to a swing control system for construction machines and is useful in a construction equipment in which the shaking or jerking movement of the upper swing structure due to the moment of inertia thereof is controlled by a simple electrical hydraulic control system so that although the swing manipulation is abruptly and repeatedly performed during the excavation or dumping operation, an operator can control the soft swing start/stop of the upper swing structure in the swing operation of construction machine, thereby improving manipulability and work efficiency of the work apparatus. | 12-17-2015 |
| 20150376866 | CONSTRUCTION MACHINE - Provided is a construction machine having a plurality of equipment units and a structural body supporting the equipment units, restricting height of each of the equipment units supported by the structural body with no considerable decrease in the strength of the structural body and no considerable restriction on the height dimension of the equipment units. The construction machine includes a structural body having a plurality of beam members, a first equipment unit placed on the structural body, and a second equipment unit which is other than the first equipment unit and placed on the structural body. The plurality of beam members includes a first beam member having a first placement surface on which the first equipment unit is placed and a second beam member having a second placement surface on which the second equipment unit is placed, the second placement surface being lower than the first placement surface. | 12-31-2015 |
| 20160024757 | CONSTRUCTION MANAGEMENT DEVICE FOR EXCAVATION MACHINERY, CONSTRUCTION MANAGEMENT DEVICE FOR EXCAVATOR, EXCAVATION MACHINERY, AND CONSTRUCTION MANAGEMENT SYSTEM - A construction management device generates construction information fore an excavation machinery having a work machine, a swing body to which the work machine is attached, and a traveling body traveling with the swing body mounted thereon. The construction management device includes a work machine position information generation part determining work machine position information as information on a position of the work machine; a traveling body position information generation part determining traveling body position information as information on a position of the traveling body; and a construction position information generation part using either the work machine position information or the traveling body position information to generate construction position information as information on a position of construction by the excavation machinery, and while the excavation machinery travels, using not the work machine position information, but the traveling body position information to generate the construction position information. | 01-28-2016 |
| 20160039648 | A LIFT TRUCK EQUIPPED WITH STABILIZER MEANS - A lift truck comprises a chassis ( | 02-11-2016 |
| 20160040393 | Mobile Apparatus with Operating System - Mobile apparatus comprising a main frame ( | 02-11-2016 |
| 20160060840 | CONSTRUCTION EQUIPMENT - A compact excavator including: a swing post ( | 03-03-2016 |
| 20160083929 | REVOLVING FRAME AND WORK MACHINE COMPRISING SUCH A FRAME - A revolving frame for a work machine is provided which has a welded structure capable of reducing the influence of the stresses from a center frame on a portion, in which a beam is welded to the center frame, and also capable of securing the load supporting strength of the beam. A skirt beam welded further toward a rear side than a center of an entire length in a longitudinal direction of a center frame has a pair of beam side plates welded to a region on a lower side than the center in a height direction of a side surface of the center frame by a vertical welding portion. Upper portions of distal end portions of the beam side plates near the side surface are notched to form a pair of notch grooves. A beam upper plate is welded between and integrated with the upper portions of these beam side plates. A notch connection plate is welded between the pair of beam side plates so as to extend from the beam upper plate to reach the side surface along the notch grooves, and a distal end of the notch connection plate is welded to an intermediate portion in the height direction of the side surface by a horizontal welding portion. | 03-24-2016 |
| 20160122971 | WORKING MACHINE - A working machine comprising a ground engaging structure and an undercarriage connected to the ground engaging structure. A superstructure is rotatably mounted to the undercarriage so as to be rotatable relative to the undercarriage about a first generally upright axis, an operator's cab is rotatably mounted on the superstructure so as to be rotatable relative to the superstructure about a second generally upright axis, and a working arm is rotatably mounted to the superstructure so as to be moveable up and down about a generally horizontal axis. A drive arrangement is provided for driving the ground engaging structure to propel the working machine. The drive arrangement includes an engine and transmission that are housed within the undercarriage, and a majority of the engine is positioned below a level coincident with a lower extent of the superstructure. | 05-05-2016 |
| 20160122973 | Working Machine - A working machine comprising: a base assembly including a ground engaging structure; an undercarriage connected to the ground engaging structure; a superstructure connected to the undercarriage; a working arm mounted to the superstructure; a connector connecting the undercarriage to the superstructure; and a drive arrangement located in the base assembly for moving the ground engaging structure to propel, in use, the working machine. | 05-05-2016 |
| 20160122980 | CONSTRUCTION MACHINE ENERGY REGENERATION APPARATUS - A construction machine energy regeneration apparatus includes: a movable weight provided in a construction machine and movable vertically; and a power-transmitting hydraulic circuit, which moves the movable weight upward by utilizing energy that is generated when a boom, an arm, or a bucket moves in a gravitational direction or energy that is generated when a brake is applied to bring a turning unit or a running unit to a stop, and utilizes potential energy of the movable weight as energy for driving the boom or the arm. | 05-05-2016 |
| 20160251834 | DISPLAY SYSTEM FOR EXCAVATING MACHINE, EXCAVATING MACHINE, AND DISPLAY METHOD FOR EXCAVATING MACHINE | 09-01-2016 |
| 20170233983 | CONTROL DEVICE FOR AN IMPLEMENT SYSTEM | 08-17-2017 |
| 20220136207 | ROTARY WORKING VEHICLE - A rotary working vehicle is provided with: a lower traveling body; an upper rotating body; a rotating frame constituting the bottom of the upper rotating body; a boom bracket supported by the rotating frame so as to be capable pivoting horizontally; a first vertical plate and a second vertical plate, which are raised from the bottom plate of the rotating frame; a swing cylinder provided on the opposite side of the second vertical plate from the first vertical plate and connecting the rotating frame and the boom bracket; a protrusion piece protruding toward the swing cylinder from a side wall of the second vertical plate above the swing cylinder; a hose guide provided to the protrusion piece; and first and second hydraulic hoses which pass above the first vertical plate and the second vertical plate, extend downward from above through the hose guide, and reach the swing cylinder. | 05-05-2022 |
