| 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) |
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| 03/27/2003 | US20030056508 Multilevel speed regulation jack and method of operation |
| 03/19/2003 | WO2002024441A1 Controller for a hydraulic press and method for the operation thereof |
| 03/19/2003 | CA2422879A1 Controller for a hydraulic press and method for the operation thereof |
| 03/12/2003 | CN2539867Y Cavitation-proof pressure-producing flow-increasing type switch hydraulic source |
| 02/27/2003 | US20030038258 Valve for controlling fluids |
| 02/19/2003 | CN2536826Y Gasoline transition booster cylinder |
| 01/30/2003 | WO2003008076A1 Dual head pump driven membrane system |
| 01/30/2003 | CA2492777A1 Dual head pump driven membrane system |
| 01/14/2003 | US6506237 Pressure transmission apparatus |
| 01/09/2003 | WO2003002876A1 Booster |
| 01/08/2003 | CN1098423C Automatic changing-over system for hydraulic orphenumatic driven pump and gas compressor |
| 12/19/2002 | DE10128867A1 Hydraulic control system for vehicle automatic gearboxes has a pressure maintenance reservoir with a piston operated by the main hydraulic pump. |
| 12/11/2002 | EP1019636B1 Pressure exchanger |
| 12/11/2002 | CN1384315A 小型压力调节器 Small pressure regulator |
| 12/05/2002 | US20020178719 Diamond-shaped fluid powered linkage, system and engine |
| 12/03/2002 | US6488258 Releasable check valve for very high system pressures |
| 11/21/2002 | WO2002029254A3 Valve for controlling fluids |
| 11/19/2002 | US6481669 Pneumatic actuator for a stores carriage and ejection system |
| 10/31/2002 | WO2002086326A1 Hydraulic pressurization system |
| 10/31/2002 | CA2442393A1 Hydraulic pressurization system |
| 10/24/2002 | WO2002084128A1 A pneunatic-hydraulic pressure amplifier |
| 10/23/2002 | CN1375640A Pressure-reducing and flow rate-increasing swtich liquid pressure source with oil returning back pressure |
| 10/08/2002 | US6460333 Hydraulic pressure transformer |
| 10/02/2002 | CN2514154Y Cylinder pressure multiplier for puncher |
| 09/26/2002 | US20020134953 Valve for controlling fluids |
| 09/25/2002 | EP1242746A1 Method and apparatus for generating hydraulic pressure |
| 09/18/2002 | EP1240448A1 Seal assembly |
| 09/18/2002 | EP1240435A1 Diamond-shaped fluid powered linkage, system and engine |
| 09/12/2002 | DE10200137A1 Pressure translator for e.g. stamping, embossing and drawing has piston with at least one cylinder, and pressure discharge with translating piston |
| 09/11/2002 | CN2510658Y Electrohydraulic network linear unit |
| 08/07/2002 | CN2504421Y Gas-liquid pressurizing cylinder |
| 07/24/2002 | CN1360157A Motor-driven actuator with hydraulic amplification |
| 07/24/2002 | CN1088150C Hydraulic stepped piston arrangement and its use in drive with variable thrust force |
| 07/23/2002 | CA2332018A1 Liquid piston hydraulic system |
| 07/16/2002 | CA2237858C Pressure transmission apparatus |
| 07/11/2002 | WO2002053920A2 Pressure transformer |
| 07/04/2002 | WO2002052158A2 Hydraulic pressure transformer |
| 07/03/2002 | CN2498383Y Hydraulic device of steel ball machining apparatus |
| 07/02/2002 | CA2211884C Subsurface safety valve actuation pressure amplifier |
| 06/27/2002 | US20020078686 Hydraulic pressure transformer |
| 06/20/2002 | DE10135516A1 Drive for closure-, injection- or ejection units of pressure injection molding machine has electric motor selectively displacing nested concentric piston-cylinder arrangement |
| 06/12/2002 | CN2494886Y Hydraulic oil cylinder with adjustable installation extension rod |
| 06/12/2002 | CN1353799A Stud tensioning device for flange cover |
| 05/29/2002 | EP1208321A1 Valve for controlling liquids |
| 05/23/2002 | WO2002040872A1 Power enlarging method |
| 05/23/2002 | DE10154991A1 Motorbetriebene Betätigungsvorrichtung mit hydraulischer Kraftverstärkung The motor-driven actuator with hydraulic booster |
| 05/15/2002 | CN2491637Y Water/oil energy converter of hydraulic automatic pressurizer |
| 05/09/2002 | US20020053205 Motor-driven actuator with hydraulic force amplification |
| 05/02/2002 | DE10048933A1 Ventil zum Steuern von Flüssigkeiten Valve for controlling fluids |
| 04/17/2002 | EP1197668A1 Hydraulic lock device |
| 04/11/2002 | WO2002029254A2 Valve for controlling fluids |
| 04/11/2002 | DE10049171A1 Pressure carrier converter to change gas to liquid has inflow and outflow of gas and liquid regulated by large-surface small borings or porous material |
| 04/10/2002 | CN2485470Y Pneumatic hydraulic pressure sensing and enhancing driving device |
| 04/03/2002 | CN1343284A Control system for hydraulic transformer |
| 04/03/2002 | CN1082000C Improved pressure-boosting mechanism for gas pressure to liquid pressure |
| 03/27/2002 | EP1190829A2 Pressing method, pressing mechanism and resin molding device |
| 03/27/2002 | CN1081759C Valve driving apparatus |
| 03/26/2002 | US6360536 Control system for a hydraulic transformer |
| 03/14/2002 | US20020029569 Pressure intensifying apparatus for hydraulic cylinder |
| 02/28/2002 | US20020023535 Pressing method, pressing mechanism and resin molding device |
| 02/14/2002 | WO2002011970A1 Drive mechanism, particularly for a closing unit, an injection unit or an ejector of a plastic injection moulding machine |
| 01/30/2002 | EP1175565A1 Device for converting pneumatic energy into hydraulic energy |
| 01/30/2002 | CN2474764Y Gas liquid booster cylinder possessing overstroke alarming function |
| 01/30/2002 | CN2474273Y Improved pressurizing unit |
| 01/30/2002 | CN2474272Y Pressurizing unit |
| 01/23/2002 | EP1173695A1 Stud tensioning device for flange cover |
| 01/23/2002 | CN2473367Y Gas/liquid pressure booster |
| 01/10/2002 | DE10032024A1 Device for increasing the input pressure of a pneumatic medium for use in pressure testing, rupture testing, etc., can be made with commercially available components to reduce production costs while offering a wide operating range |
| 12/20/2001 | DE10028768A1 Valve for controlling liquids has a piezo actuator in an actuator bore, a hydraulic pressure intensifier with first and second pistons and a pressure area between these pistons and metal bellows. |
| 12/13/2001 | WO2001094821A1 Valve for controlling liquids |
| 11/28/2001 | CN2462120Y Multicylinder single arranged hydraulic booster |
| 11/15/2001 | DE10023297A1 Hydraulically driven pressure intensifier; has primary part whose primary fluid power is transmitted to secondary fluid of secondary part and has additional element rigidly arranged without piping |
| 10/31/2001 | CN2457386Y Swing ream rod pressure boost mechanism |
| 10/10/2001 | EP1141549A1 Device for converting energy being stored in compressed air into mechanical work |
| 10/04/2001 | EP1138872A1 Well tool actuators and method |
| 10/03/2001 | CN2451789Y High-low pressure converter |
| 10/03/2001 | CA2304407A1 Multi-piston intensifier |
| 10/02/2001 | US6295914 Pressure intensifier for fluids, particularly for hydraulic liquids |
| 09/27/2001 | WO2001071199A1 Hydraulic lock device |
| 09/26/2001 | EP1135614A1 Releasable check valve for very high system pressures |
| 08/07/2001 | US6270323 Hydraulic power conversion device |
| 07/12/2001 | WO2001050033A1 Pressure booster |
| 06/28/2001 | WO2001046594A1 Diamond-shaped fluid powered linkage, system and engine |
| 06/26/2001 | US6250199 Subsea power module |
| 06/21/2001 | DE19939478C1 Valve for regulation of fluids, e.g. for fuel injection valves has separate hydraulic converter with third piston element between pressure chambers |
| 06/14/2001 | WO2001042690A1 Seal assembly |
| 06/14/2001 | WO2001042662A1 Method and apparatus for generating hydraulic pressure |
| 06/06/2001 | CN1298475A Hydraulic locking device |
| 05/23/2001 | DE19956191A1 Forming method for hollow metal tubes etc. has hydraulic pressure intensifier to heat and to form workpiece |
| 05/22/2001 | US6234125 Apparatus for angular adjustment of camshafts relative to crankshafts in combustion engines |
| 05/17/2001 | WO2000065255A9 Stud tensioning device for flange cover |
| 05/08/2001 | US6227112 Apparatus for performing actuations or operations in a printing press |
| 05/01/2001 | US6223925 Stud tensioning device for flange cover |
| 04/25/2001 | CN1292463A Power amplification method |
| 04/19/2001 | DE19948747A1 Safety reset system of pneumatic valve actuator, includes compressed air reservoir for resetting |
| 04/10/2001 | CA2187001C An improved pneumatic pressure to hydraulic pressure intensifier mechanism |
| 03/29/2001 | US20010000061 Preventing bleeding; self-dispersing pigment dispersed in an aqueous medium; alkali metal salt to break the dispersion stability of the pigment |
| 03/28/2001 | CN1063834C Hydraulic automatic control high-pressure reciprocating pump |
| 03/22/2001 | DE19939477A1 Ventil zum Steuern von Flüssigkeiten Valve for controlling fluids |
| 03/01/2001 | WO2001014774A1 Valve for controlling liquids |