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