| Patents for F16D 31 - Fluid couplings or clutches with pumping sets of the volumetric type, i.e. in the case of liquid passing a predetermined volume per revolution (2,451) |
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| 12/27/2011 | US8082734 Drive assembly for a reciprocating pump utilizing a linear actuator |
| 12/22/2011 | WO2011159586A2 Advanced adiabatic compressed air energy storage system |
| 12/22/2011 | CA2802848A1 Advanced adiabatic compressed air energy storage system |
| 12/20/2011 | US8079408 Pressure vessel assembly for integrated pressurized fluid system |
| 12/15/2011 | US20110302915 Hydraulic pressure control device |
| 12/13/2011 | US8074451 Electric motor actuation of a hydrostatic pump |
| 12/07/2011 | EP1185799B1 Rotational control apparatus |
| 12/07/2011 | CN101523073B 液压传动组件 Hydraulic Components |
| 12/06/2011 | US8070455 Scotch-yoke mechanism for redundant actuation applications |
| 12/06/2011 | US8069661 Transmission hydraulic control system having an accumulator |
| 11/30/2011 | EP2389525A2 Transmission device for transmitting a torque and device for producing or converting a torque |
| 11/23/2011 | CN1977115B Torque controlled pump protection with mechanical loss compensation |
| 11/17/2011 | US20110277459 Hydrostatic Drive |
| 11/16/2011 | EP2386773A2 Coupling device |
| 11/15/2011 | US8056331 Pump torque controller of hydraulic working machine |
| 11/15/2011 | US8056329 Tractor trailer power system |
| 11/10/2011 | US20110271829 Rotary Hydraulic Machine and Controls |
| 11/10/2011 | DE102010020118A1 Kupplungseinrichtung Coupling device |
| 11/08/2011 | US8051658 Hydraulic element |
| 11/08/2011 | US8051653 Velocity-pressure control apparatus of hydraulic machine |
| 11/08/2011 | US8051652 Hydraulic system and automatic gearbox |
| 11/08/2011 | US8051651 Hydraulic flow control system |
| 11/08/2011 | US8051650 Hydraulic system |
| 11/08/2011 | US8051649 Hydraulically driven industrial machine |
| 11/03/2011 | US20110266111 Electronically controlled fluid coupling device with fluid scavenge control |
| 11/01/2011 | US8046992 Axle driving apparatus |
| 11/01/2011 | US8046991 System for selectively routing transmission fluid to a torque converter |
| 11/01/2011 | US8046990 Systems and methods for improving drivetrain efficiency for compressed gas energy storage and recovery systems |
| 10/25/2011 | US8046122 Control system for a marine vessel hydraulic steering cylinder |
| 10/25/2011 | US8046108 System and method for converting ocean wave energy into electricity |
| 10/25/2011 | US8042336 Device for the storage of heat energy for subsequent conversion into electrical energy |
| 10/25/2011 | US8042332 Transaxle |
| 10/25/2011 | US8042331 On-demand hydraulic pump for a transmission and method of operation |
| 10/20/2011 | WO2011068982A3 Hydraulic reservoir for hydraulic regenerative circuit |
| 10/20/2011 | US20110252778 Hydraulic system |
| 10/20/2011 | US20110252777 Systems and methods for improving drivetrain efficiency for compressed gas energy storage |
| 10/18/2011 | US8037681 Hydrostatic drive system |
| 10/18/2011 | US8037677 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| 10/11/2011 | US8033321 Heat exchanger and method of manufacturing |
| 10/11/2011 | US8033107 Hydrostatic drive having volumetric flow equalisation |
| 10/05/2011 | EP2370287A1 Transmission arrangement |
| 10/04/2011 | US8028520 Center section for hydraulic drive apparatus |
| 09/29/2011 | WO2011119364A1 Variable speed hydraulic pump apparatus and method |
| 09/29/2011 | WO2011119121A1 Frictionless clutch system |
| 09/29/2011 | US20110232281 Systems and methods for combined thermal and compressed gas energy conversion systems |
| 09/27/2011 | US8025489 Portable, remote electromagnetic power system |
| 09/27/2011 | US8024926 Hydraulic circuit for heavy equipment |
| 09/27/2011 | US8024925 Apparatus, system, and method for controlling a desired torque output |
| 09/22/2011 | WO2011113205A1 Return to neutral mechanism for hydraulic pump |
| 09/20/2011 | US8020660 Pump device |
| 09/15/2011 | US20110219762 Construction machine |
| 09/13/2011 | CA2567065C A machine and system for power generation through movement of water |
| 09/01/2011 | US20110209470 Transmission hydraulic control system having a pump bypass valve |
| 09/01/2011 | US20110209469 System and method to recapture energy of a hydraulic motor |
| 08/30/2011 | US8006492 Hydraulic steering system and method |
| 08/25/2011 | US20110203265 Actuator |
| 08/23/2011 | US8002041 Accumulator for subsea equipment |
| 08/23/2011 | US8001777 Axle driving apparatus |
| 08/18/2011 | US20110197577 Hydraulic vibration cancelling system |
| 08/18/2011 | US20110197576 Hydraulic control system in working machine |
| 08/18/2011 | US20110197573 Device for compensating for hydraulic effective pressures |
| 08/16/2011 | US8000863 Open-loop torque control with closed-loop feedback |
| 08/16/2011 | US7997074 Hydraulic station and method for controlling pressure in a hydraulic system of a wind turbine |
| 08/16/2011 | US7997073 Hydraulic control system |
| 08/11/2011 | US20110192154 Alarm system for towable hydraulic machines |
| 08/09/2011 | US7993111 Power steering pump flow control |
| 08/09/2011 | US7992484 Rotary hydraulic machine and controls |
| 08/09/2011 | US7992385 Hydraulic control device |
| 08/09/2011 | US7992384 Hydraulic control device of construction machinery |
| 08/04/2011 | US20110188274 Fault condition protection |
| 08/04/2011 | US20110185717 Hydraulic manifold pump |
| 08/02/2011 | US7987669 Hydraulic steering transaxle and hydraulic driving vehicle |
| 08/02/2011 | US7987668 Electro hydrostatic actuator with swash plate pump |
| 07/28/2011 | US20110180340 Compressed gas power drive system for a motor vehicle and method therefor |
| 07/28/2011 | US20110179781 Hydraulic drive system for use in driven systems |
| 07/26/2011 | US7984611 Hydraulic control system |
| 07/21/2011 | WO2011085451A1 Torque transmitting and braking device |
| 07/21/2011 | CA2795846A1 Torque transmitting and braking device |
| 07/19/2011 | US7980994 Speed control structure and method for work vehicle |
| 07/19/2011 | US7980072 Apparatus and method for energy recovery |
| 07/14/2011 | WO2011061630A3 Hydrostatic torque converter and torque amplifier |
| 07/14/2011 | US20110167812 Hydraulic control system for an automatic transmission having electronic transmission range selection with failure mode control |
| 07/12/2011 | US7975475 Universal control scheme for mobile hydraulic equipment and method for achieving the same |
| 07/12/2011 | US7975474 Hydraulic system |
| 07/06/2011 | CN101189444B Self-contained hydraulic actuator system |
| 07/05/2011 | US7971519 Apparatus for hydraulically adjusting the blades of an impeller of an axial-flow fan |
| 07/05/2011 | US7971435 Hyrdaulic transmission |
| 06/30/2011 | WO2011079267A1 System and methods for optimizing efficiency of a hydraulically actuated system |
| 06/23/2011 | US20110146261 System and method for controlling an electro-hydraulic charging system |
| 06/23/2011 | US20110146260 Hydraulic system having a hydrostatic, valve-controlled piston engine |
| 06/23/2011 | US20110146257 High torque output drive system |
| 06/16/2011 | US20110138799 Control system for swashplate pump |
| 06/16/2011 | US20110138797 Systems and methods for improving drivetrain efficiency for compressed gas energy storage and recovery systems |
| 06/14/2011 | US7962768 Machine system having task-adjusted economy modes |
| 06/14/2011 | US7958731 Systems and methods for combined thermal and compressed gas energy conversion systems |
| 06/14/2011 | US7958725 Drivetrain system having simultaneous displacement control |
| 06/09/2011 | WO2011068982A2 Hydraulic reservoir for hydraulic regenerative circuit |
| 06/09/2011 | US20110131968 Method for controlling a pump and motor system |
| 06/09/2011 | US20110131967 Brake system and vehicle comprising a brake system |
| 06/09/2011 | US20110131964 Shape memory alloy powered hydraulic accumulator |