Patents
Patents for F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or (19,443)
06/2003
06/25/2003CN2557724Y Concrete conveying cylinder for concrete conveying pump
06/25/2003CN2557723Y Leading wearing-resistant rubber piston for concrete pump
06/25/2003CN1425852A Distribution valve for concrete transport pump
06/25/2003CN1112535C Pump element for lubricant pump
06/24/2003US6582203 Radial piston pump
06/24/2003US6581573 Compound electromagnetic valve, high pressure pump and apparatus for controlling high pressure pump
06/19/2003US20030113218 Metering pump
06/19/2003US20030111801 Back-up rings for high pressure seals, packing assembly, and pumps incorporating same
06/18/2003EP1030973B1 Piston pump
06/18/2003CN2556388Y Valve assembly of miniature air compressor
06/18/2003CN2556387Y Plunger-type fuel delivery pump
06/17/2003US6579074 Diaphragm type fuel pump
06/12/2003US20030106590 Airless paint pump inlet spring
06/12/2003CA2646398A1 Reciprocating fluid pump employing reversing polarity motor
06/11/2003EP1318303A2 A diaphragm-type pumping apparatus
06/11/2003EP1317937A1 Gasket and method of manufacturing the gasket
06/11/2003EP1317790A2 Liquid-cooled electromotor
06/11/2003EP0929746B1 Micro-machined device for fluids and method of manufacture
06/11/2003CN2555424Y Rotating air conditioner compressor with eccentric oil baffle plate
06/11/2003CN1423054A Fluid compression apparatus
06/11/2003CN1423053A Hydraulic apparatus
06/11/2003CN1423051A Film type pumping device
06/10/2003US6575718 High pressure fuel supply apparatus
06/05/2003WO2003046381A1 Ceramic micropump with ball check valve
06/05/2003US20030103855 Fluid compressing apparatus
06/05/2003US20030103854 Apparatus for compressing fluid
06/05/2003US20030103853 High-pressure pump
06/05/2003US20030102332 Pump provided with a decompression device
06/05/2003US20030101865 Diaphragm-type pumping apparatus
06/04/2003EP1315905A2 Fluid-moving device with integrated valve
06/04/2003CN2554389Y Buffer check valve of air compressor
06/04/2003CN1110634C Piston pump for high-pressure cleaning machine
06/03/2003US6572116 Piston assembly for walking beam compressor
05/2003
05/30/2003WO2003044366A1 Sound insulation for engine
05/30/2003WO2002103190A3 Double acting simplex plunger pump with bi-directional valves
05/29/2003US20030099563 Fuel injection pump having one-way valve for supplying fuel into pressurizing chamber
05/28/2003EP1314871A2 Process for determining bearing forces of a driven shaft , particularly for injection pumps of internal combustion engines
05/28/2003EP1313971A2 Seal assembly with two sealing mechanisms for providing static and dynamic sealing
05/28/2003EP1165247B1 Suction pump
05/28/2003EP0957954B1 Apparatus for pumping fluid at a steady flow rate
05/28/2003EP0734494B2 Reciprocating pump for pumping hydraulic fluid
05/28/2003CN1420962A Snap-in connection for pumping plunger sliding shoes
05/28/2003CN1109822C Piston type compressors and pistons
05/28/2003CN1109811C Diaphragm fuel pump
05/27/2003US6568927 Piston pump for high-pressure fuel generation
05/27/2003US6568926 Fluid metering pump
05/27/2003US6568925 Abrasive liquid pump apparatus and method
05/27/2003US6568919 Hydraulic pump manifold
05/22/2003WO2003042534A2 Pump element and piston pump for generating high fuel pressure
05/22/2003US20030095875 Fuel injection pump
05/21/2003EP1312801A2 Fuel cooled pumping stage for high pressure fuel pump
05/21/2003EP1312793A1 High-pressure fuel feed device
05/21/2003EP1311761A1 Bubble detection and recovery in a liquid pumping system
05/21/2003EP1311334A1 Fluid filter operatable only with installed filter element
05/21/2003EP0932766B1 Piston pump
05/21/2003CN1419052A Method for making environment protection type stainless steel oil pump
05/21/2003CN1418847A Zirconia base ceramic formula fineness composition for preparing cylinder jacket
05/15/2003WO2000073199A3 Device for accommodating aggressive liquids
05/15/2003US20030089343 Fuel pump and direct fuel injection engine
05/14/2003EP1310672A2 Fuel pump for a fuel system of an internal combustion engine and fuel system
05/14/2003EP1310577A1 Fuel pump and direct fuel injection engine
05/14/2003CN2550528Y Inlet and outlet water valve of plunger pump
05/14/2003CN1418158A 活塞泵 Piston pump
05/14/2003CN1417473A Plunger protecting jacket for pipe-type oil pump
05/13/2003US6561773 Fuel supply pump for a vehicle and a fuel supply system equipped with said fuel supply pump
05/09/2003CA2361350A1 A method and apparatus for shutting down a pumpjack
05/08/2003WO2003038270A1 Intake valve for a high-pressure pump, in particular for internal combustion engine fuel
05/08/2003WO2003037965A1 Sliding member and pump
05/08/2003WO2003037591A1 Pump with integral filter for a hot melt adhesive system
05/08/2003US20030086801 Piston pump with pump inlet check valve
05/08/2003US20030086795 Mechanical pumps
05/07/2003EP1307370A1 Pump aggregate for a hydraulic vehicle braking system
05/07/2003CN2549209Y Sand-proof device of oil-pump
05/07/2003CN2549208Y High efficiency air pump core
05/07/2003CN2549207Y Induction and exhaust system for vehicle air conditioner compressor with noise reducing structure of induction and exhaust valve plate
05/07/2003CN1415859A Suction valve assembly of compressor
05/07/2003CN1107825C Reciprocating piston pump
05/07/2003CN1107804C Volumetric pump with sterility seal
05/06/2003US6558142 High-pressure hydraulic fuel pump
05/06/2003US6558141 Packing assembly and reciprocating plunger pump incorporating same
05/06/2003CA2053355C Zero clearance anti-extrusion rings for containment of ptfe packing
05/02/2003EP1306554A2 Piston pump with pump inlet check valve
05/02/2003EP1015767B1 Plunger seal assembly for a high pressure pump
05/01/2003WO2003035276A1 Liquid material delivering method and device therefor
05/01/2003US20030082063 Suction valve assembly of compressor
05/01/2003US20030080512 Very high-pressure cryogenic pump
05/01/2003US20030080210 Device for producing high pressure in a fluid in miniature
05/01/2003US20030080155 Pump with integral filter for a hot melt adhesive system
04/2003
04/30/2003CN2547909Y Sucker-rod oil-well pump cylindrical pump valve
04/30/2003CN1415059A Pressure relief valve assembly
04/30/2003CN1414245A Reciprocating pump reduced pressure sealing gland seal device
04/30/2003CN1107180C 往复式活塞泵 Reciprocating piston pump
04/29/2003US6554591 Monolithic ceramic package formed of ceramic layers defining an integrated first ball check valve, and a second ball check valve in microfluidic communication with the first ball check; actuator for pumping fluids through the valves
04/29/2003US6554590 High pressure pump
04/29/2003US6554588 Composite piston for a vibration pump
04/29/2003US6554579 Liquid dispensing system with enhanced filter
04/29/2003US6554523 Hydraulic rod connector system
04/24/2003US20030077190 Reciprocating pump and check valve
04/24/2003US20030077189 Hydrostatic machine
04/24/2003US20030077188 Compact eletrohydraulic motor pump unit