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Class Information
Number: 60/476
Name: Power plants > Pressure fluid source and motor > Pump means moves motive fluid from one chamber to an opposite chamber of opposed expansible chambers having a common output > Reversible delivery from pump means
Description: Apparatus with means by which the pump or its delivery may be reversed to reverse the direction of movement of the to and fro device.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7325398 |
Closed circuit energy recovery system for a work implement |
Feb. 5, 2008 |
| 7281372 |
Hydraulic controller and hydraulic drive unit provided with said hydraulic controller |
Oct. 16, 2007 |
| 7254945 |
Operate check valve and hydraulic driving unit |
Aug. 14, 2007 |
| 7249458 |
Self-contained hydraulic actuator system |
Jul. 31, 2007 |
| 7234298 |
Hybrid hydraulic system and work machine using same |
Jun. 26, 2007 |
| 7185939 |
Hydraulic drive system for vehicle roofs |
Mar. 6, 2007 |
| 7174988 |
Power steering system |
Feb. 13, 2007 |
| 7155910 |
Dual, coupled check valve for direct drive, reversible power sources for hydraulic systems |
Jan. 2, 2007 |
| RE39158 |
Hydraulic system, manifold and volumetric compensator |
Jul. 11, 2006 |
| 7055320 |
Actuator |
Jun. 6, 2006 |
| 7051526 |
Closed-system electrohydraulic actuator |
May. 30, 2006 |
| 6984113 |
Oil pressure operated pump for marine steering gears with a valve set shell with valves separately capable of assembly with the valve housing |
Jan. 10, 2006 |
| 6979185 |
Bi-rotational pump/hydraulic actuator |
Dec. 27, 2005 |
| 6953102 |
Power steering system |
Oct. 11, 2005 |
| 6912849 |
Cylinder driving system and energy regenerating method thereof |
Jul. 5, 2005 |
| 6892534 |
Electro-hydrostatic actuator with a failsafe system |
May. 17, 2005 |
| 6886332 |
Bi-rotational, two-stage hydraulic system |
May. 3, 2005 |
| 6851507 |
Power steering system |
Feb. 8, 2005 |
| 6817067 |
Tandem electrohydrostatic actuator |
Nov. 16, 2004 |
| 6813885 |
Electrohydraulic setting device |
Nov. 9, 2004 |
| 6769251 |
Hydraulic system architecture for controlling steering |
Aug. 3, 2004 |
| 6764126 |
Hydraulic actuating device for a cover with associated lock |
Jul. 20, 2004 |
| 6751953 |
Hydraulic actuating device for a closure assembly |
Jun. 22, 2004 |
| 6739130 |
Linear actuator |
May. 25, 2004 |
| 6722270 |
Hydraulic press |
Apr. 20, 2004 |
| 6718766 |
Pump-integrated flexible actuator |
Apr. 13, 2004 |
| 6647719 |
Hydraulic oscillator as a drive of machines |
Nov. 18, 2003 |
| 6647870 |
Drive apparatus, press machine slide drive apparatus and method thereof |
Nov. 18, 2003 |
| 6625982 |
Electronically controlled hydraulic actuating system |
Sep. 30, 2003 |
| 6625983 |
Hydraulic power system |
Sep. 30, 2003 |
| 6557344 |
Hydraulic drive with several hydraulic consumers also comprising a differential cylinder |
May. 6, 2003 |
| 6543223 |
Drive device |
Apr. 8, 2003 |
| 6520731 |
Closed circuit swing control system |
Feb. 18, 2003 |
| 6508503 |
Hydraulic actuating device for a folding roof of a motor vehicle |
Jan. 21, 2003 |
| 6470678 |
Hydraulic operating arrangement |
Oct. 29, 2002 |
| 6418715 |
Hydraulic actuating arrangement |
Jul. 16, 2002 |
| 6397592 |
Hydraulic system for a motor vehicle having a hinged convertible top |
Jun. 4, 2002 |
| 6375278 |
Hydraulic parking brake |
Apr. 23, 2002 |
| 6336324 |
Slewing gear control system with braking and control valves |
Jan. 8, 2002 |
| 6256987 |
Hydraulic operating apparatus |
Jul. 10, 2001 |
| 6149221 |
Hydraulic control unit, in particular for operating a folding roof of a vehicle |
Nov. 21, 2000 |
| 6065288 |
Flow control valve and hydraulic system employing same |
May. 23, 2000 |
| 6055809 |
Remote steering system with a single rod cylinder and manual hydraulic piston pump for such a system |
May. 2, 2000 |
| 6005360 |
Power unit for the supply of hydraulic actuators |
Dec. 21, 1999 |
| 5857381 |
Hydraulic operating device and gearbox provided with such an operating device |
Jan. 12, 1999 |
| 5819574 |
Hydraulic device for bending work and a bending device with the hydraulic device mounted thereon |
Oct. 13, 1998 |
| 5791143 |
Flow control valve and hydraulic system employing same |
Aug. 11, 1998 |
| 5778671 |
Electrohydraulic system and apparatus with bidirectional electric-motor/hydraulic-pump unit |
Jul. 14, 1998 |
| 5613361 |
Hydraulic circuit for supplying a plurality of series-operated of a hydraulically controlled installation |
Mar. 25, 1997 |
| 5575150 |
Stiffness enhanced electrohydrostatic actuator |
Nov. 19, 1996 |
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