Patents
Sitemap › F15 - Fluid-pressure actuators; Hydraulics or pneumatics in general › F15B - Systems acting by means of fluids in general; Fluid-pressure actuators, e.g. servomotors; Details of fluid-pressure systems, not otherwise provided 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
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)
02/2001
02/28/2001EP1079117A1 Hydraulic locking device
02/27/2001CA2211474C Pressure intensifier for fluids, particularly for hydraulic liquids
02/08/2001WO2000065255A8 Stud tensioning device for flange cover
02/07/2001CN2418291Y Hand-driven booster for static water of well
02/07/2001CN2418290Y Automatic boostor for static water of well
01/2001
01/24/2001CN2416264Y Pressuer driving intensifier
01/02/2001US6168653 Transmission of the pressure in the sterile area of a medical appliance to a non-sterile pressure gauge has two housing halves and a sterility filter positioned between the two housing halves.
12/2000
12/27/2000EP1062086A1 Hydraulic system for a press
12/14/2000DE19926566A1 Hydraulic drive closing mold of injection molding machine, employs piston in pressure converter as main stage of proportional valve
11/2000
11/29/2000CN2408287Y Cycloidal hydraulic torque generator
11/16/2000WO2000068578A1 Device for converting pneumatic energy into hydraulic energy
11/14/2000US6145311 Pneumo-hydraulic converter for energy storage
11/02/2000WO2000065255A1 Stud tensioning device for flange cover
11/01/2000CN1272166A Pressure exchanger
10/2000
10/18/2000CN2401722Y Multi-cylinder piston type hydraulic booster
10/18/2000CN2401721Y Same-phase ultrahigh pressure liquid pressure-booster
10/05/2000DE19914715A1 Arrangement for transferring longitudinal actuator movement to control element
10/04/2000EP1040287A1 Continuously variable automatic transmission
09/2000
09/21/2000WO2000055508A1 Control system for a hydraulic transformer
08/2000
08/31/2000WO2000050777A1 Hydraulic locking device
08/29/2000US6109036 Sealed hydraulic intensifier
08/03/2000DE19903907A1 Hydraulic load drive method, for a fork-lift truck , involves using free piston engine connected in parallel with pneumatic-hydraulic converter so load can be optionally driven by converter and/or engine
07/2000
07/19/2000EP1019636A1 Pressure exchanger
07/19/2000CN2388387Y Three-purpose valve test table automatic intensifier
07/12/2000CN1259659A Device for monitoring number of bubble in oil, method for mfg. same
07/05/2000CN2386233Y Electric pneumatic and discharge combination controlled large flow combined change valve for dump truck
06/2000
06/29/2000WO2000037800A1 Device for converting energy being stored in compressed air into mechanical work
06/15/2000WO2000034664A1 Releasable check valve for very high system pressures
06/08/2000DE19856018A1 Entsperrbares Rückschlagventil für sehr hohe Systemdrücke Pilot operated check valve for very high system pressures
05/2000
05/31/2000EP1004783A2 Spindle for a machine tool and method for setting the pre-loading of a spindle bearing
05/24/2000CN1254095A Static pressure gas phase pressure guiding device
05/16/2000US6062532 Electric solid-body actuator having a hydraulic amplitude magnifier
04/2000
04/27/2000DE19854348C1 High-frequency machine tool spindle and method for adjusting initial tension in an angular contact roller ball bearing fitted in it, uses piezoactuator tension of varied longitudinal dimensions for exerting variable tension force
01/2000
01/12/2000EP0765440B1 Pressure intensifier
12/1999
12/16/1999DE19826258A1 Pneumatically powered hydraulic compressor
12/16/1999DE19826084A1 Pressure conversion machine with a hydraulic motor and hydraulic pump
12/07/1999US5996432 Torque variator device
12/02/1999DE19824464A1 Remote displacement under pressure using spheres in place of hydraulic oil
11/1999
11/16/1999US5984642 Pressure intensifier
11/16/1999US5984026 Pressure converter
11/03/1999CN2346977Y Ultrahigh pressure hydraulic dual-action continuous automatic supercharger
10/1999
10/26/1999US5971027 Accumulator for energy storage and delivery at multiple pressures
10/21/1999DE19816843A1 Reversing drive for pulse test bed for dynamic pulse pressure testing of fluidic structural elements using capacitive energies
10/07/1999DE19914156A1 Camshaft setter for internal combustion engine
09/1999
09/21/1999CA2099469C Hydraulic pressure transformer
09/01/1999EP0939233A2 Force multiplier
08/1999
08/24/1999US5941325 For mounting above a drill bit
07/1999
07/15/1999DE19758129A1 Cylinder unit
07/01/1999WO1999032806A1 Continuously variable automatic transmission
07/01/1999DE19756685A1 Automatgetriebe Automatic transmission
05/1999
05/06/1999DE19748758A1 Motorized positioning drive, preferably slide or valve drive for controlling water feed to a snow cannon
04/1999
04/27/1999US5897095 Subsurface safety valve actuation pressure amplifier
04/08/1999WO1999017028A1 Pressure exchanger
04/08/1999CA2307185A1 Pressure exchanger
03/1999
03/31/1999EP0857256B1 Pneumo-hydraulic converter for energy storage
03/09/1999US5878569 Energy conversion system
02/1999
02/04/1999DE19822439A1 Printing machine operating device
02/03/1999EP0830221B1 Hydraulic pressure boosting unit, in particular for a press operating according to the high inner pressure extrusion process
01/1999
01/12/1999US5857335 Hydraulic impulse rotational motor
12/1998
12/13/1998CA2207708A1 Hydraulically actuated pump
12/03/1998DE19722493A1 Pressure converter for different media
11/1998
11/26/1998DE19721759A1 Energy reduction process for pneumatic drive
11/19/1998DE19803842A1 Piezoelectric or magnetostrictive actuator for rigid body with hydraulic multiplication
11/18/1998EP0878628A2 Pressure transmission device
11/17/1998US5836161 Hydraulic pressure booster
10/1998
10/22/1998DE19715604A1 Pneumatic/hydraulic pressure intensifier
10/15/1998WO1998045109A1 Hydraulic system for a press
10/15/1998DE19715141A1 Hydropneumatic brake for guide shafts and piston rods, with housing
10/14/1998CN2294348Y Electric rheological and fluid pressure adjustable type intensifier
08/1998
08/25/1998US5797583 Valve driving apparatus
08/20/1998DE19758159A1 Linear drive with integrated pneumo-hydraulic pressure processor
08/12/1998EP0857877A2 Pneumatic-hydraulic converter
08/12/1998EP0857256A1 Pneumo-hydraulic converter for energy storage
08/11/1998US5791412 Pressure-boost device for downhole tools
08/04/1998US5788340 Fluid pressure control apparatus and braking device using thereof
07/1998
07/02/1998DE4345340C2 Hydraulic press with shortened work time
05/1998
05/27/1998CN1182687A Improved pressure-boosting mechanism for gas pressure to liquid pressure
05/14/1998DE19745810A1 Free-piston IC engine for compact city vehicle
05/06/1998CN2280792Y Two-direction hydraulic booster
05/05/1998US5746293 Pneumatic pressure to hydraulic pressure intensifier mechanism
04/1998
04/30/1998WO1998017492A1 Motor vehicle drive system
04/23/1998DE19746230A1 Energy conversion system
04/22/1998CN2279501Y Horizontal amplifier for electric valve locating device
04/15/1998EP0835383A1 Automatic pressure booster device
03/1998
03/25/1998EP0830221A1 Hydraulic pressure boosting unit, in particular for a press operating according to the high inner pressure extrusion process
03/11/1998CN2276077Y Make-up fluid booster
02/1998
02/25/1998EP0825348A1 Fluid pressure intensifier, especially for hydraulic fluids
02/25/1998CN1174597A Hydraulic pressure booster
02/05/1998DE19641927A1 Machine tool pneumo=hydraulic feed control
01/1998
01/22/1998DE19628618A1 Hydraulic pressure step-up device
01/07/1998EP0815339A1 Pressure converter (b)
01/07/1998EP0815338A1 Pressure converter (a)
10/1997
10/30/1997DE4345341C2 Hydraulic press with shortened work time
10/30/1997DE4345339C2 Hydraulic press with shortened work time
10/01/1997EP0797738A1 Hydraulic pressure booster
08/1997
08/28/1997DE19633258C1 Pressure-booster particularly for hydraulic fluid
08/21/1997DE19606040A1 Rapid acting hydraulic valve with piezo transducer
07/1997
07/22/1997US5649424 Two-stage pressure cylinder
06/1997
06/17/1997US5639218 High pressure water pump system having a reserve booster pump
06/03/1997US5634773 Superhigh pressure control system
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