Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04F - Pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped; Siphons › F04F 7 - Pumps displacing fluids by using inertia thereof, e.g. by generating vibrations therein
Patents for F04F 7 - Pumps displacing fluids by using inertia thereof, e.g. by generating vibrations therein (455)
11/2000
11/09/2000WO2000066890A1 System for transport of fluid
11/08/2000EP0882183A4 Momentum transfer pump
11/07/2000US6142746 Pulsating valve for hydraulic rams having a liquid vessel attached thereto
09/2000
09/06/2000CN1265777A Low-profile axial-flow single-blade piezoelectric fan
09/05/2000US6114620 Pre-equilibrium chemical reaction energy converter
06/2000
06/27/2000US6079214 Standing wave pump
06/22/2000WO2000036306A1 A water pump
06/14/2000EP1008763A1 Compressor using the kinetic energy of the wave generated by opening the inlet valve
06/08/2000WO2000032940A1 Vacuum pump
06/08/2000CA2351677A1 Vacuum pump
06/02/2000WO2000007735A3 Micromachined acoustic ejectors and applications
03/2000
03/15/2000EP0985237A1 Low-profile axial-flow single-blade piezoelectric fan
02/2000
02/17/2000WO2000007735A2 Micromachined acoustic ejectors and applications
01/2000
01/04/2000US6010316 Acoustic micropump
12/1999
12/30/1999DE19827408A1 Fluid pump assembly as an external blood pump
12/23/1999WO1999066211A1 Hydraulic valve assembly
12/23/1999WO1999042724A3 Oscillating spring valve fluid pumping system
12/15/1999EP0964162A1 Pump consisting of a system of pipes oscillated in order to pump by inertia
12/15/1999CN1238827A Pump device
11/1999
11/09/1999US5982801 Momentum transfer apparatus
11/04/1999WO1999042724A9 Oscillating spring valve fluid pumping system
11/03/1999EP0953117A1 A pump device
08/1999
08/26/1999WO1999042724A2 Oscillating spring valve fluid pumping system
08/24/1999US5941694 Fluid conveying apparatus having multiple piezoelectric driven blades
08/18/1999CN1044735C Reciprocating pump
07/1999
07/07/1999CN2327823Y Automatic water pump
06/1999
06/10/1999WO1999028634A1 Hydraulic ram pump
05/1999
05/19/1999CN1217047A Fluid pressure amplifier
05/11/1999US5901809 Apparatus for supplying compressed air
04/1999
04/07/1999CN1213425A Hydraulic ram pump
01/1999
01/20/1999EP0891491A1 Fluid pressure amplifier
01/19/1999US5861703 Low-profile axial-flow single-blade piezoelectric fan
12/1998
12/09/1998EP0882183A1 Momentum transfer pump
12/03/1998WO1998054765A1 Low-profile axial-flow single-blade piezoelectric fan
04/1998
04/30/1998WO1998017920A1 A pump device
04/30/1998CA2269765A1 A pump device
03/1998
03/04/1998EP0826875A2 Liquid injection device
03/04/1998EP0826872A2 Liquid injection device
12/1997
12/18/1997WO1997047881A1 Momentum transfer pump
10/1997
10/30/1997WO1997040277A1 Hydraulic ram pump
10/22/1997EP0802328A1 Hydraulic ram
10/09/1997WO1997037136A1 Fluid pressure amplifier
10/09/1997CA2251141A1 Fluid pressure amplifier
04/1997
04/24/1997DE19539020A1 Gaseous or fluidic medium pump e.g. for hydraulic control and regulation systems
03/1997
03/26/1997EP0713564A4 Reciprocating engine
03/25/1997US5613420 Reciprocating engine
01/1997
01/08/1997CN1139976A Water powered pump drive unit
12/1996
12/05/1996DE19520343A1 Hydraulic suction ram
06/1996
06/11/1996US5525041 Momemtum transfer pump
05/1996
05/29/1996EP0713564A1 Reciprocating engine
03/1996
03/06/1996CN2221674Y Automatic water pump
08/1995
08/23/1995CN2205881Y Hand mini oil pump
06/1995
06/08/1995DE4341556A1 Working gaseous medium pressure boost for efficient energy conversion
05/1995
05/31/1995EP0655557A1 Device for the delivery of fluids
05/10/1995CN1028382C 驻波压缩机 Standing compressor
04/1995
04/13/1995WO1995009986A1 Water powered pump drive unit
04/13/1995CA2173345A1 Water powered pump drive unit
04/12/1995EP0647369A1 Vibratory compressor-actuator
02/1995
02/15/1995EP0638729A1 Liquid pump and method
02/09/1995EP0647369A4 Vibratory compressor-actuator.
01/1995
01/05/1995WO1994025753A3 Vibration pump
11/1994
11/10/1994WO1994025753A2 Vibration pump
10/1994
10/26/1994CN2180817Y Water pressure pump without electric driving
10/25/1994US5357757 Compression-evaporation cooling system having standing wave compressor
08/1994
08/03/1994CN1090379A Reciprocating engine
07/1994
07/27/1994EP0417262B1 Hydraulic ram
05/1994
05/25/1994CN2166269Y Hydraulic ram with shell structure
05/11/1994WO1994010452A1 Reciprocating engine
05/10/1994US5310322 Hydraulic ram pumps
05/04/1994CN2163892Y Amphibious preset hydraulic ram
04/1994
04/06/1994CN2160785Y Fluid pressure intensity auto-converting type unpowered pump
03/1994
03/22/1994US5295791 Tapered fluid compressor & refrigeration apparatus
03/15/1994CA1327741C Anti-leak seal for pump motor
01/1994
01/06/1994WO1994000906A1 Vibratory compressor-actuator
01/06/1994CA2139130A1 Vibratory compressor-actuator
01/04/1994US5275537 Magnetic power piston fluid compressor
12/1993
12/21/1993US5271721 Hydraulic ram pumps
11/1993
11/30/1993US5266012 Vibrating column pump
11/23/1993US5263341 Compression-evaporation method using standing acoustic wave
07/1993
07/27/1993US5231337 Vibratory acoustic compressor
05/1993
05/19/1993EP0541945A1 Vibrating column pump
04/1993
04/28/1993CN2130949Y Hydraulic water-supply pump
02/1993
02/17/1993CN2127128Y No-power automatic water pump
12/1992
12/29/1992US5174130 Refrigeration system having standing wave compressor
12/23/1992CN2125751U Large calibre fluid force moment water pump
12/01/1992US5167124 Compression-evaporation cooling system having standing wave compressor
10/1992
10/21/1992CN2119528U High-lift hydraulic ram
09/1992
09/29/1992US5151883 Fluid drive method using ultrasonic waves
08/1992
08/13/1992DE4104197A1 Side channel pump for aggressive chemicals - with system of arranging oscillaltion channels relative to side channel
07/1992
07/22/1992CN2110734U Water pump
04/1992
04/07/1992US5102303 Hydraulic ram
11/1991
11/06/1991CN1055982A 驻波压缩机 Standing compressor
09/1991
09/24/1991US5051066 Gas compression by pulse amplification
09/18/1991EP0447134A2 Standing wave compressor
09/04/1991CN2084116U Ram type automatic water pump
07/1991
07/16/1991US5031509 Anti-leak seal for pump motor
06/1991
06/05/1991EP0430223A1 Water hammer absorbent
06/04/1991US5020977 Refrigerant
04/1991
04/03/1991CN2074395U Low-head hydraulic pump
03/1991
03/20/1991EP0417262A1 Hydraulic ram.
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