Patents
Patents for F15B 7 - Fluid-pressure actuator systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors (1,700)
11/1997
11/19/1997EP0807221A1 Pressure reduction valve
11/05/1997EP0804685A2 Hydraulically operated actuator
10/1997
10/14/1997US5676353 Hydraulic lever actuator
09/1997
09/16/1997US5666809 Hydraulic circuit
09/12/1997WO1997032765A1 Master cylinder having nested concentric pistons
09/12/1997WO1997032764A1 Master cylinder having a single service piston with compensation and damping sections
09/03/1997EP0792417A1 A device for double-acting hydraulic systems
08/1997
08/19/1997US5659485 Discharge flow control system and method in hydraulic pump
08/12/1997US5655371 Motion control mechanism of oil pressure cylinder without oil pressure pump
07/1997
07/30/1997EP0786052A1 Hydraulic operating device and gearbox provided with such an operating device
06/1997
06/26/1997DE19548246A1 Linear transmission for mechanical movements
06/19/1997WO1997021929A1 Triaxial positioning actuator and control methods using same
06/17/1997US5638680 Device for double-acting hydraulic systems
06/17/1997US5638679 Hydraulic valve with dual-mode capability
06/11/1997EP0778426A1 Motor vehicle hydraulic clutch actuation device having a cylinder with a metal piston
06/11/1997EP0778425A1 Improved hydraulic clutch actuator for a motor vehicle
06/11/1997EP0778424A1 Hydraulic clutch actuation cylinder with a composite seal for a motor vehicle
06/11/1997EP0778190A1 Method of assembling an actuation cylinder of a motor vehicle hydraulic clutch
06/04/1997EP0776426A1 Hydraulic control device for a double acting cylinder
05/1997
05/15/1997DE19608132A1 Setting cylinder for vehicle hydraulic system
05/14/1997EP0773135A1 Adapter for mechanical impedance
04/1997
04/30/1997CN1034754C Hydraulic revolving feed device
04/03/1997DE19536325A1 Master cylinder for hydraulic brake system of motor vehicle
03/1997
03/06/1997DE19532106A1 Hydraulic system for boosting and transmitting forces
02/1997
02/27/1997WO1997007275A1 Needlebar positioning system
11/1996
11/28/1996WO1996037392A1 Apply-rate-independent fast-fill master cylinder
10/1996
10/08/1996US5561980 Tandem master cylinder
09/1996
09/24/1996US5557935 Apply-rate-independent fast-fill master cylinder
09/12/1996WO1996022466A3 Hydraulically operated actuator
08/1996
08/08/1996WO1996023996A1 Pressure reduction valve
07/1996
07/25/1996WO1996022466A2 Hydraulically operated actuator
06/1996
06/27/1996DE4444841A1 Hydraulic actuator with master and slave cylinders
06/05/1996EP0542784B1 Hydraulic lever actuator
06/05/1996DE19500998C1 Hydraulic master and slave system for clutch operation in motor vehicle engine
05/1996
05/30/1996DE19542766A1 Hydraulic control for working cylinder of vehicle friction clutch
04/1996
04/25/1996WO1996012108A1 Hydraulic operating device and gearbox provided with such an operating device
03/1996
03/20/1996CN1118846A hydraulic revolving feed device
01/1996
01/24/1996EP0693389A1 Hydraulic circuit
01/09/1996US5481877 Gear shift device for gear boxes for vehicles
01/03/1996EP0690248A1 Hydrostatic transmission
12/1995
12/26/1995US5477682 Hydraulic master cylinder and reservoir assembly
10/1995
10/26/1995WO1995028589A1 Filling device for a hydraulic clutch actuator
10/26/1995WO1995028588A1 Precompression valve for a hydraulic clutch actuating device
10/19/1995DE4428074A1 Vordruckventil einer hydraulischen Kupplungsbetätigungseinrichtung Valve form a hydraulic clutch actuator
10/19/1995DE4428072A1 Befülleinrichtung für eine hydraulische Kupplungsbetätigungseinrichtung Filling device for a hydraulic clutch actuating device
09/1995
09/13/1995EP0623080B1 A hydraulic master cylinder and reservoir assembly
08/1995
08/29/1995US5444979 Fluid passage control device for fluid pressure actuator
08/24/1995DE4405581A1 Master cylinder for vehicle hydraulic clutch
07/1995
07/04/1995USRE34987 Modular hydraulic control apparatus with quick connect coupling
06/1995
06/14/1995DE4342487A1 Hydrostatic drive system with post=suction valve
05/1995
05/26/1995WO1995014174A1 A device for double-acting hydraulic systems
05/02/1995US5410881 Universal one man brake bleeding apparatus
04/1995
04/27/1995WO1995011139A1 Controlled convertible top hydraulic lock
04/20/1995DE4435260A1 Master cylinder
03/1995
03/30/1995WO1995008715A1 Hydraulic control device for a double acting cylinder
03/15/1995EP0557373B1 Gear shift device
02/1995
02/22/1995EP0536233B1 Device for driving a longitudinally reciprocating tool
01/1995
01/04/1995EP0632355A2 Discharge flow control system and method in hydraulic pump
01/04/1995EP0632167A2 Apparatus and method for controlling hydraulic construction equipment
12/1994
12/27/1994US5375418 Controlled convertible top hydraulic lock
12/14/1994EP0541570B1 Master cylinder for hydraulic systems, and process for producing a compensation aperture
11/1994
11/09/1994EP0623080A1 A hydraulic master cylinder and reservoir assembly.
09/1994
09/14/1994EP0614632A2 A positioning device
08/1994
08/24/1994EP0611890A1 Pneumatically actuated hydraulic multi metering device
08/16/1994US5337565 Device for driving a tool movable to and fro in axial direction
08/09/1994US5335926 Hydraulic actuating apparatus for opening and closing a vehicle cover with auxiliary manual hydraulic pump
07/1994
07/22/1994CA2112929A1 Hydraulic circuit flow control
07/19/1994US5329767 Hydraulic circuit flow control
03/1994
03/24/1994DE4327007A1 Hydraulic pressure control for user unit - has work piston effective dia. of which is activated via switch valve by hydraulic flow medium under pump pressure
02/1994
02/17/1994DE4227001A1 Hydraulic drive for cam setting in IC engine - has hydraulic pump driven by reversible DC motor and separated from pump by non return valves cross linked to other feed lines.
02/08/1994US5284017 Hydraulic master cylinder
01/1994
01/18/1994US5279119 Hydraulic lock and bypass for vehicle hydraulic system
12/1993
12/01/1993CN1022946C Hydraulic assembly
09/1993
09/23/1993DE4233994A1 Hydraulic actuator esp. for sliding roof of vehicle - is backed up by hand-operated pump for supplying fluid to cylinder in absence of pressure from electric pump
09/01/1993EP0557373A1 Gear shift device.
08/1993
08/05/1993WO1993014963A1 A hydraulic master cylinder and reservoir assembly
07/1993
07/20/1993US5228291 Motor with rotating mass induced vibration driving means
05/1993
05/26/1993EP0542784A1 Hydraulic lever actuator.
05/19/1993EP0541570A1 Master cylinder for hydraulic systems, and process for producing a compensation aperture.
05/13/1993DE4136847A1 Gas pipe for gas turbine installation
05/12/1993EP0541195A1 Diverter valve system for a conduit
03/1993
03/10/1993EP0530621A1 Pressure equalization valve for a hydraulic system
02/1993
02/25/1993DE4127418A1 Pneudraulic actuator and adjuster for electrically driven, regulatable transverse motion - approximates to gas spring by acting as hydraulic pump using air with purely electronic control
01/1993
01/19/1993US5179836 Hydraulic system for a differential piston type cylinder
11/1992
11/24/1992US5165653 Pressure equalization valve for a hydraulic system
10/1992
10/30/1992CA2041445A1 Hydraulic energy supply cart
10/20/1992US5155997 Force-amplifying actuator with capsule-type transmission
05/1992
05/29/1992WO1992008914A1 Gear shift device
05/19/1992US5113657 Modular hydraulic control apparatus
05/05/1992US5109672 Method and apparatus for cooling and replenishing aircraft hydraulic actuators
04/1992
04/29/1992EP0482329A1 Hydraulic actuator for controlling and regulating valves
04/21/1992US5105722 Mechanically controlled power booster
04/21/1992US5105622 Hydraulic unit for driving a tool
04/15/1992EP0480221A2 Control device with at least two signal transmitters
03/1992
03/24/1992US5097928 Positioning device
02/1992
02/25/1992US5090201 Fluid pressure actuator
02/20/1992WO1992002732A1 Master cylinder for hydraulic systems, and process for producing a compensation aperture
02/13/1992DE4024483A1 Geberzylinder fuer hydraulische anlagen und verfahren zur fertigung einer ausgleichsoeffnung Master cylinder for hydraulic systems and methods for manufacturing a ausgleichsoeffnung
02/12/1992EP0364471B1 A hydraulic actuator for connection to a reservoir
02/06/1992WO1992002107A1 Hydraulic lever actuator
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