Patents
Patents for F15B 3 - Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids (1,558)
05/1997
05/22/1997DE19543237A1 Hydraulic setting device e.g. for turning drive
05/15/1997WO1997017546A1 Pneumo-hydraulic converter for energy storage
05/15/1997CA2236746A1 Pneumo-hydraulic converter for energy storage
05/14/1997EP0773135A1 Adapter for mechanical impedance
04/1997
04/30/1997DE19643150A1 Fluid pressure control device for vehicle ABS braking circuit and traction control
04/22/1997US5622678 High pressure generating apparatus
04/02/1997EP0765440A1 Pressure intensifier
03/1997
03/06/1997DE19532106A1 Hydraulic system for boosting and transmitting forces
03/05/1997CN2248791Y Horizontal hydraulic dual cylinder fluid-pressure actuator
03/05/1997CN1144299A Hydraulic stepped piston arrangement and its use in drive with variable thrust force
01/1997
01/22/1997CN1140807A Centripetal reciprocating electric and hand-operated two-purpose pump
01/08/1997EP0602085B1 Modular digital actuator
12/1996
12/31/1996US5588808 Device for elevating a pressure acting on a liquid
12/27/1996WO1996041692A1 Hydraulic pressure boosting unit, in particular for a press operating according to the high inner pressure extrusion process
12/27/1996CA2224208A1 Hydraulic pressure boosting unit, in particular for a press operating in accordance with the high inner pressure shaping process
12/12/1996DE19521101A1 Hydraulische Druckübersetzereinheit, insbesondere für eine nach dem Innenhochdruckumformverfahren arbeitende Presse Hydraulic pressure boosting unit, especially for a working according to the hydroforming press
12/10/1996US5582009 Air-oil intensifier
12/05/1996DE19520152A1 Hydraulic power booster using two pistons in fluid housing
11/1996
11/13/1996CN1033292C High temperature hydraulic system by using low smelting point alloy as hydraulic media
10/1996
10/23/1996EP0738826A1 Hydraulic device with differential pistons and its application to a varible thrust drive
10/03/1996WO1996030619A1 Pressure converter (b)
10/03/1996WO1996030618A1 Pressure converter (a)
10/03/1996CA2216916A1 Pressure converter (b)
10/03/1996CA2216556A1 Pressure converter (a)
09/1996
09/10/1996CA2001651C Clamping cylinder system
08/1996
08/07/1996CN1128331A Valve driving apparatus
07/1996
07/18/1996DE4447611A1 Hydraulic pressure intensifier, and its use in a water-hydraulic welding system
06/1996
06/20/1996WO1996018825A1 Hydraulic pressure booster
06/20/1996DE4445011A1 Hydraulischer Druckübersetzer Hydraulic pressure intensifier
06/20/1996DE4444381A1 Positioning element actuator with piston cylinder unit
06/18/1996US5526644 Oil intensifier cylinder
06/13/1996WO1996018036A1 Pump pressure multiplier
06/05/1996DE4441098A1 Remote force=supported operating device
05/1996
05/15/1996EP0711927A2 Pneumatic transformer
05/02/1996DE4438621A1 Water-hydraulic welding system with piston valve and pressure transmitter
04/1996
04/12/1996CA2155790A1 Pneumatic transformer
03/1996
03/20/1996CN2222823Y Liquid-filled speed-up supercharger for hydraulic machine
02/1996
02/15/1996DE4427587A1 Gas pressure adaptor with multi=face piston
02/14/1996EP0696682A1 Valve driving apparatus
02/01/1996DE4426595A1 Pressure amplifying valve for vehicle hydrostatic transmission
01/1996
01/30/1996US5487327 Booster housing, especially for vehicle brake systems, and method of assembling such as booster housing
01/25/1996WO1996001953A1 Automatic pressure booster device
01/16/1996US5484269 Fluid intensifier
12/1995
12/20/1995EP0687421A1 Apparatus for generating high-pressure for the purpose of sterilization
12/14/1995WO1995033928A1 Pressure intensifier
12/14/1995CA2191869A1 Pressure intensifier
12/13/1995CN2215043Y Double control valve gas intensifier
10/1995
10/12/1995DE4412272A1 Compact hydraulic assembly useful esp. for pressurising hollow body
09/1995
09/21/1995DE4409305A1 Seal in pressure transformer
07/1995
07/25/1995US5435228 Pneumatic transformer
07/12/1995CN1105107A High temperature hydraulic system by using low smelting point alloy as hydraulic media
07/05/1995EP0661459A1 Hydraulic pressure intensifier for drilling wells
07/04/1995US5429036 Remote hydraulic pressure intensifier
06/1995
06/22/1995DE4342956A1 Hydropneumatic feed unit for robotic assembler
06/14/1995CN1103703A Hydraulic automatic control high pressure reciprocating pump
05/1995
05/24/1995EP0654330A1 Ultrahigh pressure control device
05/24/1995DE4339449A1 Booster for hydraulic control pipe in vehicle braking system
05/18/1995WO1995013478A1 Two-stage pressure cylinder
05/10/1995CA2102762A1 Two-stage pressure cylinder
04/1995
04/06/1995DE4337991A1 Hydropneumatic drive system
03/1995
03/29/1995EP0645290A1 Power booster case, especially for motor vehicle braking systems, and method for assembling or putting together such power booster case
03/14/1995US5396831 Hydraulic plunger replacement method and device
02/1995
02/02/1995DE4325257C1 Power amplifier which can be actuated by pressure medium
02/01/1995EP0636795A1 Releasable piston and piston rod assembly for hydraulic plunger replacement
01/1995
01/17/1995US5381661 Hydraulic pressure transformer
01/05/1995DE4332611C1 Power-amplifier housing, in particular for vehicle brake systems, and method of assembling such a power-amplifier housing
01/03/1995US5377488 Hydro-pneumatic pressure transformer
12/1994
12/21/1994EP0604638A4 Fluid pressure intensifier.
12/08/1994WO1994028303A1 Ultrahigh pressure generating device
12/08/1994WO1994027794A1 Ultrahigh pressure control device
11/1994
11/23/1994EP0625246A1 Pressure transformer
11/15/1994US5363742 Air over oil intensifier
11/15/1994US5363650 Hydraulic cylinder assembly for use in variable external pressure environments
10/1994
10/26/1994CN2180818Y Instantaneous hydraulic system ac converter
09/1994
09/29/1994DE4309444A1 Pressure transformer
08/1994
08/24/1994EP0611890A1 Pneumatically actuated hydraulic multi metering device
08/24/1994CN1025726C Copper liquid energy recovering device for nitrogenous fertilizer producing
08/16/1994US5338158 Pressure exchanger having axially inclined rotor ducts
08/16/1994US5337561 Ultra high pressure multiple intensifier system
07/1994
07/06/1994EP0604638A1 Fluid pressure intensifier
06/1994
06/29/1994CN2170399Y Coupled free piston type recoverer for liquid pressure energy
06/22/1994EP0602085A1 Modular digital actuator.
06/22/1994CN2169722Y High effect energy saving pressure increasing device
06/08/1994EP0600336A2 Air-oil pressure intensifier with isolation system for prohibiting leakage between and intermixing of the air and oil
06/05/1994CA2109396A1 Air-oil pressure intensifier with isolation system for prohibiting leakage between and intermixing of the air and oil
04/1994
04/28/1994DE4312589A1 Hydraulic press with shortened work time - with valve unit to control fluid flow during pressure build-up
04/27/1994EP0498825B1 A pressure exchanger
04/14/1994DE4234193A1 Pneumo-hydraulic cylinder assembly - has transparent container from which oil is drawn into space behind working piston during forward working stroke and returned to container on reverse stroke
04/06/1994CN2160786Y Pneumatic pressurizer
03/1994
03/23/1994CN1084254A Energy-saving extra-high pressure gas (liquid) delivery device
01/1994
01/20/1994WO1994001309A1 Fluid pressure intensifier
01/20/1994CA2117091A1 Fluid pressure intensifier
01/19/1994EP0579037A1 Hydropneumatic pressure intensifier
01/14/1994CA2100292A1 Remote hydraulic pressure intensifier
01/12/1994EP0577955A1 Hydropneumatic pressure transformer
11/1993
11/30/1993US5265423 Air-oil pressure intensifier with isolation system for prohibiting leakage between and intermixing of the air and oil
11/25/1993DE4217121A1 Free piston-cylinder unit using oil and water - has connecting rod with recessed section for control of flow through cylinder wall outlet
11/24/1993CN1022860C Method for using thermodynamic expansion valve on constant pressure expansion system
11/11/1993DE4214409A1 Hydro-pneumatic pressure intensifier - has rocker arm to control simultaneously venting orifice and feed nipple for oil storage chamber
11/09/1993US5259195 In the braking system of a vehicle
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