| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 192221000 | Fluid operated | 6 |
| 20090090594 | CRAWLER VEHICLE DRIVE CONTROL SYSTEM - A drive control system of a crawler vehicle has a lever, a hydraulic distributor for feeding pressurized oil over a feed line to a hydraulic actuator. The hydraulic actuator can engage and release a central clutch. A cable has a first end fixed to a rod of the hydraulic actuator, and a second end connected to the hydraulic distributor. The cable activates and deactivates the hydraulic distributor, depending on the position of the rod. A main pulley is integral with the lever about which the cable is wound. | 04-09-2009 |
| 20090308709 | MULTIPLE-DISK BRAKE IN AN AUTOMATIC TRANSMISSION HAVING CONTROLLABLE COOLING OIL SUPPLY AND METHOD FOR OPERATING THE SAME - The invention concerns a multi-disk brake ( | 12-17-2009 |
| 20100032260 | FRICTIONAL ENGAGEMENT DEVICE FOR AUTOMATIC TRANSMISSION - A frictional engagement device for an automatic transmission includes a tubular case, a friction member on one side that is supported on the case, a friction member on the other side that is supported on a rotary element, an annular piston having a pressing portion that presses the friction members toward one axial side with a thrust force from a pressure receiving portion that defines an annular hydraulic chamber between it and the case, and plural return springs for urging the piston toward the other axial side. The piston has a first pressure receiving section where the pressing portion is cut out over a predetermined angular range, and a second pressure receiving section other than the first pressure receiving section. An urging force of the return springs per unit angular range of the first pressure receiving section is greater than an urging force of the return springs per unit angular range of the second pressure receiving section. | 02-11-2010 |
| 20100051410 | Traveling System Transmission Structure for Vehicle - The traveling system transmission structure for vehicle includes a planetary gear unit, a forward/rearward-travel switch unit and a transmission case. A front end portion of a sun gear shaft is directly or indirectly supported by a front bearing wall that is detachably connected to a front side of the transmission case and a rear end portion of a planetary outputting member is directly or indirectly supported by an intermediate bearing wall, so that the planetary gear unit is accommodated in a front chamber that is sandwiched by the front bearing wall and the intermediate bearing wall. A front end portion of a forward/rearward-travel input shaft is directly or indirectly supported by the intermediate bearing wall and a rear end portion of a clutch shaft is supported by a rear bearing wall that is detachably connected to the rear side of the transmission case, so that the forward/rearward-travel switch unit is accommodated in a rear chamber that is sandwiched by the intermediate bearing wall and the rear bearing wall. | 03-04-2010 |
| 20120111691 | BRAKING APPARATUS FOR A VEHICLE AND VEHICLE COMPRISING SAID BRAKING APPARATUS - A braking apparatus for a vehicle, in particular a heavy goods vehicle, includes a drive axle having a transmission gear, such as a differential, around which an amount of oil for lubrication is variable. The brake apparatus further includes at least one friction brake and at least one retarder that is capable of operating to slow the vehicle through the transmission gear. The braking apparatus comprises a brake operating device for operating the at least one friction brake and the least one retarder, and a determining feature to determine an oil level around the transmission gear. The brake operating device, on operation by a user, is arranged to apply the retarder when the oil level around the transmission gear is above a threshold level, and, if the oil level is below the threshold level, the brake operating device is arranged to initiate an increase in the oil level around the transmission gear. | 05-10-2012 |
| 20120318631 | VEHICLE TRANSMISSION WITH BUILT-IN BRAKE - A hydraulic piston is housed in a cylinder chamber that is provided in a cover plate of a transmission case and that opens toward a pressing arm so that the hydraulic piston is capable of rotating the pressing arm by abutting against a rearward arm portion of the pressing arm, and a hydraulic pipe supplying pressure oil to the cylinder chamber is connected to the cover plate. | 12-20-2012 |
