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