| Patents for F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or (19,443) |
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| 06/09/2004 | EP1426619A2 A pump |
| 06/09/2004 | CN2620111Y Spool for non-return valve |
| 06/08/2004 | US6746222 Bottom discharge valve |
| 06/08/2004 | US6746221 Traveling valve for sucker rod pumps |
| 06/08/2004 | US6746218 Compact electrohydraulic motor pump unit |
| 06/03/2004 | WO2004013493A3 Process and apparatus for assembling and disassembling a cryogenic pump |
| 06/03/2004 | US20040105763 High pressure fuel supply pump |
| 06/03/2004 | US20040103683 Suction muffler for compressor |
| 06/03/2004 | US20040103657 Hydraulic pressure generating apparatus |
| 06/03/2004 | DE19713934B4 Lastdruckgeführter Förderstromregler mit Spülkreislauf Load pressure-flow regulator with flushing circuit |
| 06/02/2004 | EP1268248B1 Piston pump |
| 06/02/2004 | CN2619070Y Hydraulic clutch general pump for automobile quick oil feeding |
| 06/02/2004 | CN2619069Y Non-cylindral piston for piston compressor |
| 06/02/2004 | CN1500993A Output valve assembly |
| 06/01/2004 | US6742997 Diaphragm-type pumping apparatus |
| 06/01/2004 | CA2379645C Reciprocable piston with a fluid scavenging system and method of scavenging a fluid |
| 06/01/2004 | CA2280423C Single-piece piston for use in a pneumatically-activated pump |
| 05/27/2004 | WO2004044479A2 Fluid provider assembly and portable fluid provider system including same |
| 05/27/2004 | WO2004044427A1 Motor-pump unit |
| 05/27/2004 | US20040100038 Seal for high-pressure pumping system |
| 05/27/2004 | US20040100036 Seal for use with a movable rod |
| 05/27/2004 | DE19852246B4 Hydraulische Maschine Hydraulic machine |
| 05/27/2004 | DE10348558A1 Rückschlagventildichtungsanordnung Check valve seal assembly |
| 05/27/2004 | DE10252622A1 Motor pump aggregate for motor vehicle braking system has motor and pump that comprises shaft that is driven by motor and bearings of end of shaft are arranged in reception body that is provided with valves and connection channels |
| 05/27/2004 | CA2504945A1 Fluid provider assembly and portable fluid provider system including same |
| 05/26/2004 | EP1421308A1 Non-return valve for a pump |
| 05/26/2004 | EP0953113B1 Reciprocating compressor |
| 05/26/2004 | CN2617955Y Oilless lubricating pump gaseous ring set for piston air compressor |
| 05/25/2004 | US6739129 Electrohydraulic motor pump aggregate, attachable element and pressure limiting valve |
| 05/25/2004 | CA2131192C Hydraulic oil well pump drive system |
| 05/21/2004 | WO2004041022A1 Sealing structure of an up-down type piston assembly for exhausting a content |
| 05/20/2004 | US20040096368 Retaining a plate that has different predetermined flange heights; 2 positioning blocks having retaining ledges; positioning arm to selectively apply a biasing force upon the plate to position the plate under a retaining ledge |
| 05/20/2004 | US20040096337 Fuel pump for an internal combustion engine |
| 05/19/2004 | EP1045975B1 Control unit for controlling the build-up of pressure in a pump unit |
| 05/19/2004 | DE10302043A1 Kraftstoffhochdruckpumpe mit Kugelventil im Niederdruck-Einlass High-pressure fuel pump with a ball valve in the low-pressure inlet |
| 05/19/2004 | CN1497179A Control valve of variable capacitance compressor |
| 05/19/2004 | CN1150381C Hydraulic device |
| 05/18/2004 | US6736613 Acceleration fuel pump having a resilient check valve member for a combustion engine carburetor |
| 05/18/2004 | US6736049 High pressure low volume pump |
| 05/18/2004 | CA2214604C Single-piece piston for use in a pneumatically-activated pump |
| 05/13/2004 | WO2004040128A1 High-pressure fuel pump comprising a ball valve in the low-pressure inlet |
| 05/13/2004 | US20040091378 Mechanical bladder pump |
| 05/13/2004 | US20040091376 Check valve seal assembly |
| 05/13/2004 | US20040089146 Pump element and piston pump for generating high fuel pressure |
| 05/13/2004 | DE10007180B4 Hochdruck-Kraftstoffpumpe High-pressure fuel pump |
| 05/12/2004 | EP1418366A1 Fluid cooled diaphragm |
| 05/12/2004 | EP1045976B1 Control unit for controlling pressure build-up in a pumping unit |
| 05/12/2004 | CN2615381Y Adapter coupling branching pump pipe |
| 05/12/2004 | CN2615380Y Oil pump |
| 05/12/2004 | CN2615379Y Packing cup air compressor |
| 05/12/2004 | CN2615378Y Linkage unloading single-way valve |
| 05/12/2004 | CN1149335C Valve-fixing structure of reciprocating compressor |
| 05/11/2004 | US6733250 Filter unit, chemical liquid supply system, and chemical liquid supply method |
| 05/11/2004 | US6732631 Needle bearing and pump unit having a needle bearing |
| 05/06/2004 | US20040086397 Fluid cooled diaphragms for diaphragm compressors |
| 05/06/2004 | US20040084852 Gasket and method of manufacturing the gasket |
| 05/06/2004 | EP1416153A1 Fuel injection pump |
| 05/06/2004 | EP1216104B1 Improved pump for dispensing fluid product,and fluid product dispensing device comprising same |
| 05/06/2004 | DE10249688A1 Kraftstoff-Hochdruckpumpe für eine Kraftstoffeinspritzanlage, insbesondere eine Common-Rail-Kraftstoffeinspritzanlage, von Brennkraftmaschinen High-pressure fuel pump for a fuel injection system, in particular a common rail fuel injection system for internal combustion engines |
| 05/06/2004 | DE10249337A1 Geräuscharmes Hydraulikaggregat Low noise hydraulic unit |
| 05/06/2004 | DE10205493B4 Radialkolbenpumpe Radial piston pump |
| 05/05/2004 | CN2614279Y Mini type compressor noise eliminating air valve |
| 05/05/2004 | CN1494460A Fluid product dispensing pump |
| 05/04/2004 | US6729854 Hydraulic pump manifold |
| 05/04/2004 | US6729500 Twirling dip tube |
| 04/29/2004 | US20040079158 Technique and appartus for detecting and monitoring internal defect conditions of mud pumps |
| 04/28/2004 | EP1413772A1 Low noise hydraulic power unit |
| 04/28/2004 | EP1413756A1 Fuel pump |
| 04/28/2004 | EP1413749A2 Fuel pump assembly |
| 04/27/2004 | US6726458 High pressure pump with filler plug |
| 04/27/2004 | US6726124 Device for producing high pressure in a fluid in miniature |
| 04/22/2004 | WO2004033908A1 Reciprocating pump and check valve |
| 04/22/2004 | WO2004033905A1 High pressure pump, especially for a fuel injection device in an internal combustion engine |
| 04/22/2004 | WO2004033143A1 Method to make mechanical components for fluid-dynamic devices, compressors or motors operating at high pressure, and mechanical components thus achieved |
| 04/22/2004 | WO2004013036A8 A fluid-dispensing circuit with check valves |
| 04/22/2004 | US20040075352 Motor-pump assembly, in particular an anti-lock braking system for a motor vehicle |
| 04/22/2004 | US20040074468 Drive shaft coupling device |
| 04/22/2004 | DE10247336A1 Kolbenmaschine zur Förderung von Gasen Piston engine for conveying gases |
| 04/22/2004 | DE10247142A1 High pressure pump for fuel injection device has pump housing with body and cap to cover each pump element |
| 04/22/2004 | DE10238585B3 Fluid module for a peristaltic pump comprises a one-piece base element having a recess containing a fluid and fluid passages, a membrane element adjoining the recess |
| 04/21/2004 | EP1409196A1 Selectively cold worked hydraulic motor/pump shoe |
| 04/21/2004 | EP1336044B1 Injection system for an internal combustion engine and method for regulation and/or bleeding of said system |
| 04/20/2004 | US6722866 Pump system for delivering cryogenic liquids |
| 04/20/2004 | US6722862 Metering pump with combined inlet/outlet valve element |
| 04/20/2004 | US6722666 Seal structure for use in housing of compressor |
| 04/20/2004 | US6722259 Fluid machinery |
| 04/20/2004 | US6722256 Reduced icing valves and gas-driven motor and diaphragm pump incorporating same |
| 04/15/2004 | WO2004031583A1 A combination of a chamber and a piston, a pump, a shock absorber, a transducer, a motor and a power unit incorporating the combination |
| 04/15/2004 | WO2004031580A1 Micropump and method for the production thereof |
| 04/15/2004 | US20040071574 Piston machine for delivering gases |
| 04/15/2004 | US20040069140 Non-metallic pressure caps and diaphragm pump housings incorporating same |
| 04/15/2004 | DE10339812A1 Pressure transfer cylinder for slurry which consists of e.g. concrete, mortar, has cylinder main body with first layer consisting of internal peripheral surface side of high chrome cast iron, and second layer consisting of carbon steel |
| 04/15/2004 | CA2541087A1 A combination of a chamber and a piston, a pump, a shock absorber, a transducer, a motor and a power unit incorporating the combination |
| 04/14/2004 | EP1408236A2 Non-metallic diaphragm pump housing |
| 04/14/2004 | EP1408234A1 Piston machine for conveying gases |
| 04/14/2004 | EP1407177A1 Reciprocating piston pump adjustable inlet ball travel |
| 04/14/2004 | EP1407116A1 Pump cylinder lock |
| 04/14/2004 | CN2611635Y Detacher for wire baffle of automotive steering pump |
| 04/14/2004 | CN2611634Y Power spraying and cleaning pump with ceramic plunger and without needing grease |
| 04/14/2004 | CN2611633Y Breaking-proof upper oil output valve |