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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04/29/2014 | US8707691 Hydrostatic drive |
04/29/2014 | US8707690 Hydraulic pump controller for construction machine |
04/15/2014 | US8695333 Method for when necessary automatically limiting a pressure in a hydraulic system during operation |
04/10/2014 | US20140100749 System for controlling torque converter temperature during torque converter stall conditions |
04/10/2014 | US20140097057 Control device for vehicular lockup clutch |
04/08/2014 | US8689551 Hydrostatic transaxle |
04/08/2014 | US8689550 Hydraulic control system in working machine |
04/08/2014 | US8689548 Power system for vehicle and vehicle having the power system |
04/01/2014 | US8683796 Variable drive apparatus |
04/01/2014 | US8683795 Control valve for a hydraulic refueling boom system |
04/01/2014 | US8683794 Controller of vehicle with hydrostatic continuously variable transmission |
03/27/2014 | US20140083087 Hydraulic tank pressurization system |
03/25/2014 | US8677742 Accumulator with solenoid valve |
03/18/2014 | US8671673 Travel control apparatus for working vehicle |
03/18/2014 | US8671672 Pneumatic actuator structure |
03/11/2014 | US8667990 Hydraulic oscillating motor |
03/11/2014 | US8667792 Dead-volume management in compressed-gas energy storage and recovery systems |
03/11/2014 | US8667790 Universal hole cutter |
03/06/2014 | US20140060034 Electro-Hydraulic Control Design for Pump Discharge Pressure Control |
03/06/2014 | US20140060018 Hydraulic control system |
03/04/2014 | US8661808 High-efficiency heat exchange in compressed-gas energy storage systems |
03/04/2014 | US8661806 Adaptive, low-impact vehicle energy harvester |
03/04/2014 | US8661804 Control system for swashplate pump |
02/26/2014 | EP2699818A1 Engine augmentation of hydraulic control system |
02/18/2014 | US8650869 Automatic hydraulic/pneumatic flow rectifier for bi-directional pumps |
02/13/2014 | WO2014023744A1 Pumping device |
02/13/2014 | DE102012213985A1 Pumpeneinrichtung Pump means |
02/12/2014 | EP2694848A1 Hydroelectric control valve for remote locations |
02/11/2014 | US8646265 Hydraulic power apparatus |
02/06/2014 | WO2014022228A1 Pump control system and method |
02/06/2014 | WO2014021965A2 Closed-cycle hydro-jet thruster |
02/06/2014 | US20140033944 Energy recovery system for a mobile machine |
02/06/2014 | US20140033941 Energy recovery system for a mobile machine |
02/06/2014 | US20140033698 Meterless hydraulic system having force modulation |
02/06/2014 | US20140033697 Meterless hydraulic system having force modulation |
02/06/2014 | US20140033693 Reduced Parasitic Hydraulic Fan System with Reversing Capability |
02/04/2014 | US8640450 Compressed fluid motor |
01/29/2014 | CN103547806A A gerotor pump, a gerotor motor and a gerotor transmission system |
01/28/2014 | US8635867 Hydrostatic transmission |
01/21/2014 | US8632314 Cooling fan driving device and fan rotational speed control method |
01/21/2014 | US8631821 Flexible sump |
01/21/2014 | US8631651 Hydraulic system thermal contraction compensation apparatus and method |
01/16/2014 | US20140014453 Lock-up device for torque converter |
01/14/2014 | US8627658 Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression |
01/14/2014 | US8627657 Vehicle hydrostatic transmission device |
01/14/2014 | US8627656 Oil supply device for vehicle |
01/14/2014 | CA2764391C Engine clutch and method of using same |
01/07/2014 | US8621860 Control system for work vehicle |
01/07/2014 | US8621859 Hydraulic system |
01/07/2014 | US8621857 Adsorption-enhanced compressed air energy storage |
12/31/2013 | US8615992 Construction machine |
12/24/2013 | US8614522 Energy converting device |
12/17/2013 | US8607821 Stack valve |
12/17/2013 | US8607559 Fluid bypass system |
12/17/2013 | US8607557 Hydraulic control system for excavator |
12/10/2013 | US8601807 Hydraulic energy recovery system with dual-powered auxiliary hydraulics |
12/10/2013 | US8601806 Electric hydraulic motor system for large vehicles |
12/10/2013 | US8601804 Power generating apparatus of renewable energy type |
12/05/2013 | US20130318959 Hydraulic Circuits with Energy Conservation Features for Overrunning Load Conditions |
12/04/2013 | CN103423338A Hydraulic apparatus comprising an improved assembly of a hydraulic machine and a clutch |
12/03/2013 | US8596404 Commissioning a hybrid drive assembly of a vehicle |
12/03/2013 | US8596186 Arrangement for hydraulic eccentric adjustment to set a predefined displacement for a hydrostatic motor |
12/03/2013 | US8596058 Hydraulic system and universal testing machine |
12/03/2013 | US8596054 Absorber-replenisher in a hydrostatic circuit |
12/03/2013 | US8596051 Control valve actuation |
11/28/2013 | US20130312397 On Demand Displacement Control of Hydraulic Power System |
11/19/2013 | US8584453 Hydrostatic circuit lock valve components, circuits, systems, and method |
11/19/2013 | US8584452 Infinitely-variable, hydro-mechanical transmission using fixed displacement pumps and motors |
11/14/2013 | US20130298540 Closed-cycle hydro-jet thruster |
11/13/2013 | CN102439307B Return to neutral mechanism for hydraulic pump |
11/07/2013 | US20130291527 Hydraulic Power Control System and Method |
11/05/2013 | US8577560 Controller of hybrid construction machine |
11/05/2013 | US8573111 Active implement down force system with automatic latching of tractor power beyond pressure |
11/05/2013 | US8572956 Hydraulic pressure supply device of automatic transmission |
10/31/2013 | US20130284532 Secondary steering system with margin pressure detection |
10/31/2013 | US20130283777 Hydraulic control system having energy recovery |
10/29/2013 | US8567186 Control apparatus for working vehicle |
10/29/2013 | US8567184 Energy recovery system in a gas compression plant |
10/22/2013 | US8561399 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
10/22/2013 | US8561398 Fluid-based power generation system |
10/22/2013 | CA2557518C Hydraulic service module |
10/17/2013 | WO2013155076A1 Compressed air energy storage systems with split-cycle engines |
10/15/2013 | US8555629 Hydrostatic pump |
10/15/2013 | US8555628 Variable displacement pump and power steering apparatus using the variable displacement pump |
10/10/2013 | US20130263584 System and method for accumulator fluid mixing |
10/08/2013 | US8554425 Pressure control system for a hydraulic lift and flotation system |
10/08/2013 | US8552982 Position sensing methods for interface devices |
10/08/2013 | US8549853 Hydraulic control device and pressure switch |
10/01/2013 | US8544264 Pump flow control of hydraulic circuit and associated method |
10/01/2013 | US8544263 Construction equipment having electric control lever |
10/01/2013 | US8544262 Flow-control assembly with a rotating fluid expander |
09/24/2013 | US8543245 Systems and methods for specifying an operational parameter for a pumping system |
09/24/2013 | US8542468 Fault condition protection |
09/19/2013 | US20130239561 Hydraulic Transaxle |
09/17/2013 | US8534061 Dump truck |
09/17/2013 | US8534060 Drive device |
09/17/2013 | US8534059 Pressure reducing gas storage device, air-jet system, and motor vehicle |
09/17/2013 | US8534058 Energy storage and production systems, apparatus and methods of use thereof |
09/12/2013 | WO2012120094A3 A gerotor pump, a gerotor motor and a gerotor transmission system |
09/10/2013 | US8528594 Hydraulic system with leakage fluid removal |