Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04B - Positive-displacement machines for liquids; Pumps › F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or
Patents for F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or (19,443)
04/2003
04/24/2003US20030075567 Bellows pump for delivery of liquids
04/23/2003CN1412442A 机械泵 Mechanical pump
04/23/2003CN1106508C Wet cup throat sealing and bearing device
04/22/2003US6551079 Ink-jet recording apparatus and parts thereof
04/17/2003WO2003032092A1 Planarizing recess etch
04/17/2003WO2003031819A2 Shaft coupling and shifting mechanism for pneumatic pump drive
04/17/2003WO2003031816A1 Connecting element for connecting a piston to a restoring element
04/17/2003US20030072661 Piston pump
04/17/2003US20030071235 Passive microvalve
04/17/2003US20030070428 Electrohydraulic motor pump aggregate, attachable element and pressure limiting valve
04/17/2003CA2460385A1 Shaft coupling and shifting mechanism for pneumatic pump drive
04/16/2003EP1302663A1 Electro-hydraulic motor pump unit and check valve unit
04/16/2003EP1302660A2 Cooling of electrical driven pump
04/16/2003EP1301708A1 Radial piston pump
04/16/2003EP1003973B1 Micro pump comprising an inlet control member for its self-priming
04/16/2003CN2545394Y Split pump
04/16/2003CN2545393Y Reciprocating pump assembly with composite layer
04/16/2003CN1410677A Cylinder body of inclined disc type compressor
04/16/2003CN1410676A Piston connecting device of inclined disc type compressor
04/15/2003US6547541 Bellows type pump or accumulator
04/15/2003US6547531 Variable-displacement axial piston pump
04/15/2003US6547250 Seal assembly with two sealing mechanisms for providing static and dynamic sealing
04/10/2003US20030068241 Shaft coupling and shifting mechanism for pneumatic pump
04/10/2003US20030068239 Pump for exerting pressure on fluid and fluid tank unit having the same
04/09/2003EP1300591A2 Mechanical pump with integrated flame arrester
04/09/2003EP1299646A1 Dosing pump
04/09/2003EP1299193A1 Fluid product dispensing pump
04/09/2003EP1183467B1 High pressure pump with improved sealing
04/09/2003CN1408990A Silencer
04/09/2003CN1105241C Reciprocating pump for pumping fluid from underground
04/08/2003US6544012 High pressure plunger pump housing and packing
04/08/2003US6543649 Child-resistant liquid dispenser
04/08/2003US6543543 Pump systems and methods
04/08/2003US6543424 Fuel pump, in-cylinder direct injection type internal combustion engine using the same and surface treatment method
04/08/2003CA2053765C Valve assembly
04/03/2003WO2003027439A1 Rotary fluid machine
04/02/2003EP1297259A1 Hydraulic pump and motor
04/02/2003EP0922161B1 High-pressure cleaning device
04/02/2003CN2542851Y Separating air compressor
04/02/2003CN1407247A Electronic connecting cover of hydraulic device casing with sealed printed circuit board
04/02/2003CN1407230A Reciprocal volume compressor and piston thereof
04/02/2003CN1407229A Valve for controlling large cross sectional flow of compressor or similarities
04/02/2003CN1104563C Non-oiling piston for pump and its producing method and pump using the same piston
03/2003
03/27/2003WO2003025441A1 Non-return valve for a pump
03/27/2003US20030059321 Tappet turning-prevention structure for fuel supply apparatus
03/27/2003US20030059314 Multi-piston engine, such as a pump or compressor, with improved vibrational behaviour
03/27/2003DE20219093U1 Seal for injection pump employed in building construction
03/26/2003EP1296067A2 Passive microvalve
03/26/2003CN2541628Y Unloading check valve of air compressor
03/26/2003CN1405452A Compound compressor
03/25/2003US6537040 Radial piston pump
03/25/2003US6536600 Filter device incorporating a wound paper filter element
03/20/2003WO2003022328A2 Infusion device and driving mechanism for same
03/20/2003US20030053921 Bellows type pump or accumulator
03/20/2003US20030053920 Piston pump
03/20/2003US20030053916 Hybrid compressor
03/19/2003EP1293676A2 Two stage scroll compressor
03/19/2003EP1293668A2 Axial piston pump with rocker cam counterbalance feed
03/19/2003CN1404553A Leakage oil return apparatus for a hydraulic motor
03/19/2003CN1403710A Hardening ceramic processing method for surface of piston rod
03/18/2003US6533488 Airless sprayer drive mechanism
03/18/2003CA2270936C Pump for dispensing flowable media
03/13/2003US20030050624 Infusion device and driving mechanism for same
03/13/2003US20030047066 Axial piston pump with rocker cam counterbalance feed
03/13/2003DE20219851U1 Device for mounting an electric pump on a holder, uses fixing pieces with rubber vibration dampers between the pieces and the holder
03/12/2003EP1053400A4 Hydraulic motor lubrication path
03/12/2003CN2539852Y Integrated valve core air conditioning stop valve assembly
03/12/2003CN2539851Y One-way unloading valve
03/12/2003CN1402649A Device and method for pumping high viscosity fluids
03/12/2003CN1401903A Sealed compressor
03/12/2003CA2391544A1 Axial piston pump with rocker cam counterbalance feed
03/11/2003US6531417 Thermally driven micro-pump buried in a silicon substrate and method for fabricating the same
03/11/2003US6530761 Double-acting, two-stage pump
03/11/2003US6530759 Reciprocating plunger pump with seal mounting support
03/11/2003US6530556 Control unit for controlling a pressure build-up in a pump unit
03/06/2003US20030042272 Membrane pump and container equipped therewith
03/05/2003EP1286783A1 Bellows pump for delivery of liquids
03/05/2003EP0840856B1 Pistom pump
03/05/2003CN2538969Y Hard alloy wear-proof plate and wear-proof ring for concrete delivering pump
03/05/2003CN1102700C Oil pickup apparatus for hermetic compressor
03/04/2003US6527524 Double acting simplex plunger pump with bi-directional valves
03/04/2003US6527517 Pump
02/2003
02/27/2003WO2003016719A1 A compact vacuum pump
02/27/2003US20030039565 Suction-discharge device for fluids
02/26/2003EP1286447A2 Pump actuation motor for automotive antilock brake system
02/26/2003EP1047876B1 Radial piston pump for high pressure fuel supply
02/26/2003EP0935712B1 Piston pump
02/26/2003CN1399072A Valve assembly of sealed compressor
02/26/2003CN1102125C Pump assembly and its filter unit
02/25/2003US6523524 Radial piston pump
02/25/2003CA2232955C High-pressure hydraulic pump with improved performance
02/25/2003CA2118979C Sampling pump
02/20/2003US20030035716 Pump actuation motor
02/19/2003EP1284367A1 High-pressure fuel pump
02/19/2003EP1283959A2 Roller bearing, piston pump and pump unit
02/19/2003CN1398330A High pressure low volume pump
02/19/2003CN1397734A Small pump, cooling system and portable instrument
02/18/2003US6520756 Piston pump
02/18/2003US6520755 Fluid-moving device with integrated valve
02/18/2003CA2045314C Packing for piston and valve machine and a machine applying same
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