| 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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| 05/28/2008 | CN101189444A Self-contained hydraulic actuator system |
| 05/27/2008 | US7377353 Four wheel traction control valve system |
| 05/27/2008 | US7377106 Pump system |
| 05/27/2008 | US7377105 Dual pump assembly |
| 05/22/2008 | US20080115489 Axle Driving Apparatus |
| 05/21/2008 | DE112005003085T5 Servolenksystem Servo steering system |
| 05/20/2008 | US7373776 Hydrostatic transmission controls to simulate gear drive |
| 05/15/2008 | US20080110167 Combined Relief and Positive Surge Protection Device For Operating Fluid Containers That Can Be Put Under Pressure In Operating Fluid Supply Systems of Hydrodynamic Machines |
| 05/13/2008 | US7371055 Tandem pump unit |
| 05/13/2008 | US7370476 Pump system, charge relief mechanism and oil pressure control mechanism |
| 05/13/2008 | US7370475 Traveling hydraulic working machine |
| 05/08/2008 | US20080104951 Subsea pressure accumulator systems |
| 05/08/2008 | US20080104937 Crop harvesting header with reversible drive to the sickle knife |
| 05/07/2008 | EP1917448A2 Modular backup fluid supply system |
| 05/06/2008 | CA2460310C Swash plate type servo device for a plunger hydraulic unit |
| 04/29/2008 | US7363759 Hydraulic transaxle apparatus for a four-wheel-drive vehicle and four-wheel-drive vehicle using the apparatus |
| 04/24/2008 | US20080093191 Variable Speed Drive |
| 04/22/2008 | US7361000 Tandem pump unit |
| 04/17/2008 | US20080087014 Hydraulic circuit for a steer-by-wire steering system |
| 04/15/2008 | US7356992 Hydrostatic multi-motor drive |
| 04/15/2008 | US7356991 Hydraulic control device of an excavator with improved loading performance on a slope |
| 04/15/2008 | US7356990 Electro hydraulic actuator with spring energized accumulators |
| 04/10/2008 | US20080083219 Fluid displacement based generator & method of using the same |
| 04/09/2008 | EP1907721A2 Self-contained hydraulic actuator system |
| 04/08/2008 | US7353651 De-stroking dual hydrostatic pump |
| 04/08/2008 | US7353650 Axle driving apparatus |
| 04/08/2008 | US7353649 Hydraulic pressure supply control in industrial vehicle |
| 04/03/2008 | US20080078174 Backhoe Hydraulic System |
| 04/03/2008 | US20080078173 Step-change transmission having charge and variable displacement pumps |
| 03/27/2008 | US20080072590 Differential piston |
| 03/27/2008 | US20080072587 Pump Unit |
| 03/25/2008 | US7347047 Pump assembly |
| 03/19/2008 | CN101147010A Power steering system |
| 03/19/2008 | CN100375696C Power steering system |
| 03/13/2008 | US20080060475 Gearless Differential in an Integrated Hydrostatic Transmission |
| 03/13/2008 | US20080060354 Oil pressure supply circuit for industrial vehicle |
| 03/11/2008 | US7340892 Charge pump |
| 03/06/2008 | US20080053081 Hydraulic Control System |
| 02/28/2008 | WO2008005476A3 Method and system for accomplishing flash or fast pyrolysis with carbonaceous materials |
| 02/28/2008 | US20080047264 Shift controlled bypass orifice for hydrostatic transmission |
| 02/26/2008 | US7334404 Pump unit |
| 02/26/2008 | US7334403 Brake valve for a hydraulic transmission |
| 02/21/2008 | US20080041047 Hydraulic system for industrial vehicle |
| 02/21/2008 | DE102006037991A1 Clutch unit for drive train of motor vehicle, has outlet channel and drainage borehole with progression aligned radially outwards or parallel to rotational axis in central area with respect to flow direction of fluid |
| 02/20/2008 | EP1890049A2 Dual hydrostatic transmission |
| 02/20/2008 | CN101128684A Power transmission device |
| 02/19/2008 | US7331177 Hydrostatic transmission |
| 02/19/2008 | US7331175 Hydraulic system having area controlled bypass |
| 02/19/2008 | US7331174 Buoyancy pump power system |
| 02/14/2008 | US20080034747 HST Unit |
| 02/14/2008 | US20080034746 Combiner valve control system and method |
| 02/07/2008 | US20080028758 Drive Assembly for Rotating and Translating a Shaft |
| 02/07/2008 | DE102006022472B3 Hydrostatische Kupplungsanordnung mit Zahnringmaschine Hydrostatic clutch assembly with ring gear machine |
| 02/05/2008 | US7325398 Closed circuit energy recovery system for a work implement |
| 01/31/2008 | US20080022672 Apparatus and method for dual mode compact hydraulic system |
| 01/31/2008 | DE102006031748A1 Coupling system for machines or vehicles, has swash plate, coupled with engine rotational axis in fixed or detachable manner with rotating axis, and swash plate is designed in inclined angle or diagonally, where contact surface is plane |
| 01/31/2008 | DE102006031746A1 Coupling system for use in machines or vehicles of all kinds, has swivel plate removably coupled with rotational axis, and plate is mounted on surface of diagonal swivel-plate, which is arranged diagonally on rotational axis |
| 01/29/2008 | US7322190 Hydraulic system for synchronized extension of multiple cylinders |
| 01/29/2008 | US7322187 Metallurgical powder compositions and articles and methods utilizing the same |
| 01/24/2008 | US20080016861 Hydraulic controller for working machine |
| 01/24/2008 | CA2656795A1 Flow deflection devices and methods for energy capture machines |
| 01/22/2008 | US7320217 Load controller for hydrostatic transmission in work vehicles |
| 01/22/2008 | US7320216 Hydraulic system having pressure compensated bypass |
| 01/17/2008 | US20080010984 Self-Contained Hydraulic Actuator System |
| 01/17/2008 | US20080010983 Low suction vacuum detector |
| 01/17/2008 | US20080010982 Control Valve for a Servo Steering System |
| 01/17/2008 | US20080010981 System and method for controlling shakability of a work tool |
| 01/17/2008 | US20080010980 Axle Driving Unit for a Lawn Tractor |
| 01/15/2008 | US7318510 Liquid friction clutch |
| 01/15/2008 | US7318509 Temperature compensating hydraulic shear pump |
| 01/10/2008 | WO2008005475A1 Method and system for accomplishing flash or fast pyrolysis with carbonaceous materials |
| 01/10/2008 | US20080006029 Hydraulic pressure control apparatus |
| 01/10/2008 | US20080006028 Method for Braking a Vehicle Driven by Means of a Hydrostatic Gearbox and Also a Hydrostatic Drive |
| 01/10/2008 | US20080006027 Engine output control via auto selection of engine output curve |
| 01/10/2008 | CA2656684A1 Method and system for accomplishing flash or fast pyrolysis with carbonaceous materials |
| 01/08/2008 | US7316115 Means and method for controlling a hydromechanical transmission in dual mode |
| 01/08/2008 | US7316114 Valve for a hydraulic drive apparatus |
| 01/08/2008 | US7316112 Method of creating feedback control in a closed hydrostatic circuit and a control system therefore |
| 01/08/2008 | US7316111 Multi-purpose hydraulic system |
| 01/08/2008 | US7316110 Hydraulic system for an air cart |
| 01/03/2008 | WO2007126427A3 Petroleum to pneumatic engine conversion zero emission & fuel cost |
| 12/27/2007 | US20070295006 Hydraulic Transmission |
| 12/27/2007 | US20070295005 Work machine hydraulic system with bypass conditioning and associated method |
| 12/25/2007 | US7310943 Hydrostatic transmission controls with alternative operating modes |
| 12/20/2007 | US20070289298 Suspension arrangement for a boom assembly mounted on an agricultural sprayer |
| 12/19/2007 | EP1867887A1 A compact, resistance regulated, multiple output hydraulic package and seal valve arrangement |
| 12/18/2007 | CA2439989C Power unit for vehicle with internal combustion engine |
| 12/13/2007 | CA2648071A1 A machine and system for power generation through movement of water |
| 12/04/2007 | US7302799 Drive system for a vehicle |
| 11/29/2007 | WO2007136998A2 Shock valve for hydraulic device |
| 11/29/2007 | US20070271914 Transmission having a coaxial lubricant pump |
| 11/29/2007 | US20070271913 Apparatus for increasing operation speed of boom on excavators |
| 11/29/2007 | US20070271912 Water-powered generator |
| 11/22/2007 | WO2007133545A2 Device and method for improved vascular laser treatment |
| 11/22/2007 | US20070267068 Shock valve for hydraulic device |
| 11/22/2007 | US20070266704 Wave energy converter (WEC) with heave plates |
| 11/22/2007 | DE102006022858A1 Druckabbaueinheit für eine hydromechanische, auf eine Drehzahldifferenz ansprechende Kupplung Pressure reduction unit for a hydro-mechanical, responsive to a difference in speed clutch |
| 11/20/2007 | US7296669 Simple action actuator with a hydraulic fast-opening valve for controlling a clutch |
| 11/20/2007 | US7296407 Hydraulic service module |
| 11/20/2007 | US7296405 Variable flow reducing valve and gradual control valve distribution system for a compressed air injection engine operating on mono or multi energy and other engines or compressors |