| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 074730100 | With fluid drive | 29 |
| 20100236361 | DRIVETRAIN DEVICE OF A VEHICLE WITH A GEAR UNIT TO ACTUATE DIFFERENT GEAR RATIOS | 09-23-2010 |
| 20110132141 | OIL PASSAGE STRUCTURE OF CHAIN-DRIVE OIL PUMP - An oil passage structure of a chain-driven oil pump includes three lines of oil passages for supplying oil from the center support to the torque converter, a first oil passage for supplying oil to the torque converter through the inside of an input shaft of the torque converter, a second oil passage for supplying oil to the torque converter through a space defined by the outer periphery surface of the input shaft and the inner periphery surface of a stator shaft, and a third oil passage for supplying oil to the torque converter by bypassing the drive sprocket. The third oil passage is provided on the outer periphery side of the drive sprocket and in a position where it does not interfere with the operation of a chain. Accordingly, it is possible to utilize the flex lock-up to a maximum extent, and to reduce the diameter of the sprocket. | 06-09-2011 |
| 20120006155 | SHIFT TRANSMISSION - The invention relates to a manual transmission having an input shaft ( | 01-12-2012 |
| 20120125150 | GEARBOX FOR A WIND TURBINE - A gearbox includes an input shaft connected to a rotor hub, an output shaft connected to a generator, and a first gear wheel rotation-locked to the input shaft and arranged inside a gearbox housing. A second gear wheel arranged inside the gearbox housing and meshing with the first gear wheel or coupled thereto via one or more additional gear wheels is rotation-locked to the output shaft. A flange radially surrounds the input shaft and/or the output shaft and has a circumferential groove on a side facing the input shaft and/or output shaft. An annular tubular sealing element made from an elastic material is fixed in the circumferential groove and can be expanded by an increase in the internal pressure. An intermediate space between the input shaft and/or output shaft and the circumferential groove is thus completely sealed by the sealing element when expanded. | 05-24-2012 |
| 20120240724 | Hydromechanical Transmission with a Hydraulic Motor and a Mechanical Multi-Step Variable Speed Transmission - A hydromechanical transmission has a hydraulic pump-driven hydraulic motor of a hydrostatic continuously variable transmission and a mechanical multi-step variable speed transmission connected to a drive shaft of the hydraulic motor, which can be shifted into operation by a gear shifting device. In order to adapt the hydromechanical transmission with as compact as possible a design to diverse installation cases with little effort, the gear shifting device is arranged directly adjacent to the hydraulic motor and is consolidated with the latter into a preassembled constructional unit. | 09-27-2012 |
| 20130139646 | LAYSHAFT AUTOMATIC TRANSMISSION - A transmission includes a housing, an input member connectable to an engine output member, a sleeve member, and a launch clutch assembly connected to the input member and to the sleeve member, wherein the launch clutch is selectively engageable to transmit torque from the input member to the sleeve member. A first countershaft is rotatably supported within the transmission housing. A second countershaft is rotatably supported within the transmission housing. A plurality of co-planar gear sets are connected to the input member, sleeve member, and the countershafts. A plurality of torque transmitting mechanisms are provided for coupling various components of the co-planar gear sets to the input member, sleeve member, and countershafts. The selective engagement of the launch clutch assembly and the torque transmitting mechanisms establishes at least one of five forward speed ratios and a reverse speed ratio. | 06-06-2013 |
| 20130180358 | HYDRAULIC SYSTEM, DRIVING SYSTEM AND ELECTRIC VEHICLE - A hydraulic system of an electric vehicle may comprise: an oil container; a first and a second clutch driving circuits connected in parallel; an internal pump driven by a driving system of the electric vehicle; a first check valve connected in series at an outlet side of the internal pump; an external pump driven by an external pump motor; and a second check valve connected in series at an outlet side of the external pump. The first check valve and the internal pump connected in series and the second check valve and the external pump connected in series are connected in parallel between the oil container and the first and second clutch driving circuits. | 07-18-2013 |
| 20130319175 | TRANSMISSION GROUP FOR VEHICLES AND VEHICLE PROVIDED WITH SUCH TRANSMISSION GROUP - Transmission group for vehicles comprising an engine provided with at least one engaging device, arranged between transmission gears and mobile between a first rest position, wherein the transmission gears are mutually integral and both in mesh with a transmission shaft, and a second working position wherein the first gear is in mesh with the transmission shaft and the second gear is unconstrained both with respect to the transmission shaft and with respect to the gear, provided for being means for actuating of the engage device, wherein the engine, the output gear and an output shaft are integrated in a first module fixed to the vehicle and that the transmission shaft, the transmission gears, the engage device and the actuating means thereof are integrated in a second module independent and demountable with respect to the first module. | 12-05-2013 |
| 20140144289 | Hydraulic Shaft Coupling Apparatus - A hydraulic shaft coupling apparatus transfers power from a rotating drive shaft to a driven load shaft, where the apparatus has a self-contained internal fluid flow path having a fluid control valve that controls the flow of hydraulic fluid through the flow path to allow fluid flow when there is a substantial difference between drive shaft and driven shaft rotational speeds, and to gradually restrict the fluid flow as the difference between drive shaft and driven shaft speeds decrease to the point where fluid flow through the fluid passage is substantially stopped by the control valve resulting in the one-to-one transfer of rotational power from the drive shaft to the driven shaft. | 05-29-2014 |
| 20150292609 | POWER TRANSMISSION SYSTEM - A power transmission system comprises a transmission device, and a power supply device which powers the transmission device, wherein the transmission device comprises a cavity having a body, covers, an inlet and an outlet; at least a pair of rotors and a gear set that are assembled in the cavity; and a transmission shaft pivotally connected with the pair of rotors and the gear set; the power supply device comprises a power equipment available for transmitting a working fluid; shaft adapters connected with the inlet and the outlet of the cavity; and a connecting pipe connected between the power equipment and the shaft adapter; the working fluid is transmitted by the connecting pipe from the power equipment to the inlet of the cavity to provide the pair of rotors with normal force for radial motion in a reverse rotation direction and make pressure in the cavity increased. | 10-15-2015 |
| 20160084352 | POWERSHIFT REVERSING GEARBOX - A powershiftable reversing transmission for a vehicle with a drive engine arranged off-center and a telescopically extendable lifting arm. The reversing transmission has a shaft ( | 03-24-2016 |
| 074731100 | Condition responsive control | 4 |
| 20110203411 | OIL TEMPERATURE CORRECTION DEVICE AND METHOD FOR AUTOMATIC TRANSMISSION - There is provided an oil temperature correction device for an automatic transmission. The automatic transmission having a torque converter and a transmission mechanism to which an output torque of a driving power source is inputted through the torque converter. The oil temperature correction device has an oil temperature sensor that detects a temperature of hydraulic oil in an oil pan of the transmission mechanism; and an oil temperature correction section that, when the temperature of the hydraulic oil detected by the oil temperature sensor is lower than a first threshold value, performs a sensor detection temperature correction process to correct the detected temperature of the hydraulic oil based on a heat generation amount of the torque converter. | 08-25-2011 |
| 20120152056 | Multiple-variator control for split power CVT and hydrostatic transmissions - A system for providing hydraulic power in a machine transmission includes a first hydraulic variator and a second hydraulic variator, each variator having a mechanical input to a hydraulic pump, and a hydraulic motor linked to the hydraulic pump via a hydraulic circuit, and a mechanical output from the hydraulic motor. In an embodiment, the first hydraulic circuit side of one variator is hydraulically connected to the first hydraulic side of the other variator, and the second hydraulic circuit sides are likewise linked together. A common input is geared to the inputs of the variators and a common output is geared to the outputs of the variators, tying the pump and motor of each variator to rotate at the same speed as the counterpart components of the other variator. | 06-21-2012 |
| 20160053888 | WORKING VEHICLE - A working vehicle includes: a power transmission device which selects a four-wheel drive state and a two-wheel drive state; a hydraulic continuously variable transmission device which includes a trunnion arm displaceable to a forward movement position, a neutral position, and a backward movement position; a pedaling operation detection unit which detects a pedaling operation for a brake pedal; and a control unit which performs a process of moving the trunnion arm to the neutral position by controlling an actuator when the pedaling operation detection unit detects the pedaling operation and which sets the operation speed of the actuator to be slow in the four-wheel drive state during the process compared to the two-wheel drive state. | 02-25-2016 |
| 20160138707 | METHOD FOR CONTROLLING EOP OF TORQUE ASSIST AMT - A method for controlling an electric oil pump (EOP) of a torque assist automated manual transmission (AMT) using a multi-plate wet clutch and a dry clutch, may include correcting an EOP operating line on a shifting pattern graph such that the EOP operates prior to up-shifting from a first gear to a second gear while driving in the first gear. | 05-19-2016 |
| 074732100 | With one or more controllers for gearing, fluid drive, or clutch | 14 |
| 20100269632 | FLUID PRESSURE CONTROL DEVICE WITH INTEGRATED PRESSURE SENSOR - Provided is a fluid pressure control device that includes an actuator and a body configured to house the actuator. The body has an opening arranged to receive pressurized fluid. The fluid pressure control device additionally includes a pressure sensor incorporated into the body relative to the opening to sense fluid pressure and to generate an electrical signal indicative of the sensed pressure. Furthermore, the fluid pressure control device includes an integrated circuit incorporated into the body, and operatively connected to the pressure sensor. The integrated circuit includes a transceiver configured to communicate with an external device by transmitting the electrical signal indicative of the sensed fluid pressure to the external device and receiving a control signal from the external device. The integrated circuit additionally includes a driver configured to power the actuator in response to the control signal. | 10-28-2010 |
| 20100275725 | TORQUE-SPLITTING TRANSMISSION - The invention relates to a hydrostatic-mechanical torque-splitting transmission, comprising a housing, or a housing composed of individual housing parts, at least one drive shaft that is disposed inside the housing and can be driven by at least one driving motor, particularly an internal combustion engine, said drive shaft acting on at least two hydraulic pumps by way of gear elements in the manner of a pump transfer case and comprising at least one further gear wheel, which directly or indirectly acts on an output element of a power-shift transmission, wherein at least in the region of the gear wheel at least one coupling element is positioned, and wherein the power-shift transmission has at least one shaft that can be driven in the hydrostatic circuit, in the region of said shaft couplings, brakes, components of a single-stage planetary gear and similar components being provided, wherein the output element of the power-shift transmission is switched to at least one output shaft. | 11-04-2010 |
| 20120204676 | Two Shaft Transmission Having Chain Driven Reverse - A transmission for a vehicle has an output shaft, a main shaft and a countershaft. The main shaft is arranged to receive rotary power and the countershaft is arranged in parallel to the main shaft. A plurality of meshed gear pairs are formed main gears and counter gears on the two shafts. A plurality of clutch devices are arranged to select a gear pair that will transmit torque to the output shaft. A reverse drive is created by a main reverse gear on the main shaft, a counter reverse gear on the counter shaft and a chain wrapping the main reverse gear and the counter reverse gear. A reverse clutch device is arranged to selectively fix one of the main and counter reverse gears to its respective main or counter shaft for rotation. | 08-16-2012 |
| 20140060248 | UTILITY VEHICLE TWO SPEED DRIVE MOTOR CONTROL - Disclosed are power machines, and drive systems for use thereon, as well as methods of controlling the displacement of a hydraulic drive motor. The drive system includes a drive pump capable of providing a hydraulic power output and a drive motor operably coupled to the drive pump that receives the hydraulic power output from the drive pump. The drive motor has an operating displacement that is variable between a minimum displacement and a maximum displacement and it provides a rotational output member. A shift actuator is operably coupled to the drive motor and it is configured to vary the displacement of the drive motor between the minimum displacement and the maximum displacement. A controller controls the shift actuator to cause the drive motor to provide infinitely variable displacement between the minimum and maximum displacements. | 03-06-2014 |
| 20160076633 | DIRECT DRIVE HYDROSTATIC TRANSMISSION - A hydrostatic driveline and method of operating a hydrostatic driveline is provided. The hydrostatic driveline comprises a power source, hydrostatic pump, a hydrostatic motor, a direct drive link, a first transmission portion, and a second transmission portion. The direct drive link is in driving engagement with at least one of the power source and the hydrostatic pump. The first transmission portion is in driving engagement with a vehicle output and the hydrostatic motor. The second transmission portion is in driving engagement with the direct drive link and at least one of the vehicle output and the first transmission portion. The hydrostatic pump, the hydrostatic motor, and the first transmission portion form a first power path for the hydrostatic driveline and the direct drive link and the second transmission portion form a second power path for the hydrostatic driveline. | 03-17-2016 |
| 20160097442 | TRANSMISSION DEVICE WITH SECONDARILY COUPLED POWER SPLIT - A transmission device with secondarily coupled power splitting, having hydrostatic and mechanical branches which can be summed by a summing gear system provided in the area of a central transmission shaft. At least two transmission ratio ranges, in the forward and reverse driving directions, can be obtained such that within the transmission ratio ranges the transmission ratio can, in each case, be varied continuously by a hydrostatic variator in the area of the hydrostatic branch. On the transmission input side, the central transmission shaft can directly couple a drive engine and functionally connect to both an auxiliary drive output shaft and a hydrostatic shaft of the variator, in the form of countershafts, and also to hydraulic pumps in the area of the transmission input. In the area of the transmission output, the central transmission shaft is coupled to a further hydrostatic shaft in the form of a countershaft. | 04-07-2016 |
| 20160114668 | HYDROSTATIC-PARALLEL HYDRAULIC HYBRID ARCHITECTURES - Provided is a hydrostatic system including a first hydraulic unit, second and third hydraulic units fluidly connected to the first hydraulic unit, and a hydraulic accumulator fluidly connected to the first hydraulic unit and the third hydraulic unit, where the hydrostatic system is selectively coupleable to a prime mover and/or one or more wheels. The hydrostatic system may be operated in a hydrostatic driving mode where the hydraulic accumulator is isolated from the system and the first hydraulic unit drives the second and third hydraulic units, and in a hybrid driving mode where the hydraulic accumulator supplies fluid to the third hydraulic unit and the first hydraulic unit supplies or does not supply fluid to the second hydraulic unit. By selectively coupling the hydrostatic system to the prime mover, the hydrostatic system and the prime mover may be operated independent of one another. By selectively coupling the hydrostatic system to the wheels, the hydrostatic system and the wheels may be operated independent of one another. | 04-28-2016 |
| 20160194854 | Working Vehicle Travel Control Apparatus | 07-07-2016 |
| 074733100 | With interrelated controls | 6 |
| 20090301258 | Continously Variable Transmission - A power transmission implementing continuously variable transmission using a succession of gear sets. A first constant ratio gear-set receives torque and rotation from a motor and a second constant ratio gear set provides torque and rotation to a driven device. These two gear-sets each employ three gear elements such that the first gear-set receives power in one shaft and provides power in two shafts. The second gear set receives power in two different shafts and provides power in one shaft. Two drive chains transmit rotation and torque from the first gear-set to the second gear-set, in between the two gear sets the rotation is reversed in one drive chain. A control over the total gearing ratio of the transmission is provided by transient application of power to modify the rotation rate of one branch. In one embodiment fluid couplings are employed for transmission of power in each drive chain. | 12-10-2009 |
| 20110290074 | Power Split Transmission and Method for Controlling the Same - A power split transmission includes a first power branch having a continuously variable transmission and a separable second power branch. The two power branches are combined again in a summation gear and a device connects or disconnects the second branch when a synchronous condition is present when changing from an initial driving range into a target driving range. A control device for controlling and adjusting the transmission ratio of the first power branch is connected to the continuously variable transmission. A predicting device for predicting an efficiency η | 12-01-2011 |
| 20110303049 | ELECTRO-HYDRAULIC AND ELECTRO-MECHANICAL CONTROL SYSTEM FOR A DUAL CLUTCH TRANSMISSION - A control system for controlling a dual clutch transmission having a synchronizer assembly includes a motor for selectively providing an output torque in a first and second to both of a first and a second output member. A one-way device is interconnected to the first output member and is operable to transmit the output torque in the first rotational direction. A pump is connected to the one-way device. A disconnect device is interconnected to the second output member. The torque disconnect device is operable to decouple the motor from a cam or a torque multiplication device. The cam includes at least one groove having a configuration corresponding to synchronizer assembly positions. A shift fork is disposed in the groove and is operable to translate the synchronizer assembly. Rotation of the cam translates the shift fork and the synchronizer assembly between at least a neutral position and an engaged position. | 12-15-2011 |
| 20120017724 | CONTROL APPARATUS AND CONTROL METHOD FOR AUTOMATIC TRANSMISSION - An ECU executes a program including the steps of: starting monitoring the turbine revolution speed and the output shaft revolution speed when a direct shift is started (YES in S | 01-26-2012 |
| 20140137702 | VEHICLE CONTROL SYSTEM - A vehicle control system ( | 05-22-2014 |
| 20140157955 | INTEGRATED GEARBOX LUBE AND CONTROL SYSTEM - A gearbox system includes a gearbox having integrated therein a pump system, a plurality of fluid passages and a clutch control system. The pump system is in fluid communication with the clutch control system via the fluid passages to flow at least one pressurized stream. A first pressurized stream controls a first pressure-responsive device included in the clutch control system. The gearbox system further includes a hydro-mechanical control unit (HMCU) in fluid communication with the gearbox to receive a second pressurized stream and to generate at least one actuator control stream. The actuator control stream controls an actuator integrated in the gearbox. | 06-12-2014 |
