| 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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| 10/07/2009 | CN201321957Y Coal mine clean water pump station |
| 10/07/2009 | CN201321825Y Polish rod breakage prevention device |
| 10/07/2009 | CN101550938A Method for improving performance of air-conditioning compressor |
| 10/07/2009 | CN101550929A Multi-flow passage dual-cavity fluid transporting device |
| 10/07/2009 | CN101550926A Dual-cavity fluid transporting device |
| 10/01/2009 | WO2009120209A1 Stuffing box for walking beam compressor |
| 10/01/2009 | WO2009120207A1 Safety clamp for walking beam compressor |
| 10/01/2009 | US20090241766 Variable displacement compressor |
| 09/30/2009 | EP2105611A1 Fluid pressure pump unit |
| 09/30/2009 | EP2010784B1 Pump element and pump comprising such a pump element |
| 09/30/2009 | EP1733146B1 Material feed receptacle for a thick matter pump |
| 09/30/2009 | CN201318276Y Lubrication device for concrete transfer pump |
| 09/30/2009 | CN201318275Y Lubrication device of electric diaphragm pump |
| 09/30/2009 | CN201318274Y Normal temperature prestressed assembly composite cylinder liner |
| 09/30/2009 | CN201318273Y Air compressor of two-row air cylinder |
| 09/30/2009 | CN201318272Y Double-groove swing-rod energy-saving compressor |
| 09/30/2009 | CN201318271Y Communicated oil pump inlet valve |
| 09/30/2009 | CN201318270Y Oil pump inlet valve capable of injecting and discharging |
| 09/30/2009 | CN201318269Y Electric air compressor cylinder with oil/water valve |
| 09/30/2009 | CN101545478A Electromagnetic pump |
| 09/30/2009 | CN101545477A Cavity capsule type air-pressure guide pump |
| 09/29/2009 | US7594801 Chemical liquid apparatus and deaerating method |
| 09/29/2009 | CA2284380C Top coupling arrangement for a reciprocating pump |
| 09/24/2009 | WO2009115565A2 Coolant compressor |
| 09/24/2009 | WO2009115356A1 High-pressure pump |
| 09/24/2009 | WO2009115151A1 Component pairing and device having component pairing |
| 09/24/2009 | WO2009051493A3 Piston pump |
| 09/24/2009 | WO2009027809A3 Liquid pump |
| 09/24/2009 | US20090238702 Food storage bag vacuum pump |
| 09/24/2009 | DE102009007172A1 Verdichterkolben Compressor piston |
| 09/23/2009 | CN201314295Y Modular type linear hydraulic end |
| 09/23/2009 | CN201314294Y 调压阀座接插件 Control valve seat connector |
| 09/23/2009 | CN201314293Y Water injection system for cracked gas compressor |
| 09/23/2009 | CN101539138A Water piston manufactured by old and useless tyre and conveyor belt and method for processing same |
| 09/22/2009 | CA2524244C Piston sealing mechanism for liquid additive injection pump |
| 09/17/2009 | WO2009112500A1 Crank drive |
| 09/17/2009 | WO2009086988A3 Hydraulic fluid pump having a diaphragm as a sealing element |
| 09/17/2009 | WO2007009278A9 Piston rod seal on pumps for cryogenic media |
| 09/17/2009 | US20090232672 Refrigerating compressor and refrigerating device using the same |
| 09/17/2009 | DE19536794B4 Trägerstruktur für einen Elektromotor zum Antrieb einer Pumpe Support structure for an electric motor for driving a pump |
| 09/17/2009 | DE102008013478A1 Motorpumpe Motor pump |
| 09/17/2009 | DE102008013473A1 Pumpengehäuse mit verdrehbaren Befestigungsflanschen Pump housing with rotatable mounting flanges |
| 09/16/2009 | EP2101061A1 Hydromechanical system |
| 09/16/2009 | CN201310461Y Lubricating plunger piston seal box press sleeve |
| 09/16/2009 | CN201310460Y Card connection ball connecting rod of refrigerant compressor |
| 09/16/2009 | CN201310459Y Bi-parting card connection ball connecting rod of refrigerant compressor |
| 09/16/2009 | CN201310458Y Laminated card connection ball connecting rod of refrigerant compressor |
| 09/16/2009 | CN201310457Y Connecting structure of piston and connecting rod of sealed type reciprocating compressor |
| 09/16/2009 | CN201310456Y Oil cylinder and concrete mixer for rapidly replacing concrete piston |
| 09/16/2009 | CN201310455Y Safe pressure relief device |
| 09/16/2009 | CN101535649A Compressor service tool |
| 09/16/2009 | CN101532497A Oil-balancing system for double constant speed compressor of commercial air duct type air-conditioner |
| 09/16/2009 | CN101532489A Reverse pressure oil lubrication power reciprocating pump |
| 09/16/2009 | CN101532488A Multifunctional linear sliding guide sleeve |
| 09/16/2009 | CN101532486A Hydraulic pump, oil pumping unit, oil pumping module and oil pumping system |
| 09/16/2009 | CN101532484A Corrosion resisting diaphragm pump |
| 09/16/2009 | CN101532482A Underslung power reciprocating pump of suction pump body |
| 09/16/2009 | CN100540898C Closed compressor connecting rod |
| 09/16/2009 | CN100540890C Piston pump |
| 09/15/2009 | US7588424 Linear compressor unit |
| 09/15/2009 | US7588423 Pump for liquid chromatograph |
| 09/10/2009 | DE102008012538A1 Hydraulic reciprocating engine for use as hydro pump or hydro motor, has multiple pistons and actuation pattern for actively operated valves are stored in electronic control device for different pump pressures and different flow rates |
| 09/09/2009 | EP2097645A1 Subsea chemical injection system and pumps therefor |
| 09/09/2009 | EP2097644A1 Mobile machine having a carrying frame and a covering hood |
| 09/09/2009 | CN201306276Y Self-cleaning sand-screening pipe pumping unit |
| 09/09/2009 | CN201306275Y Crankshaft connecting rod movement device |
| 09/09/2009 | CN201306274Y Composite member of refrigeration compressor |
| 09/09/2009 | CN201306273Y Water discharge device of center pump water tank |
| 09/09/2009 | CN201306272Y Super-voltage triple plunger pump |
| 09/09/2009 | CN201306271Y Novel oil retainer assembly for plunger pump |
| 09/09/2009 | CN201306270Y High-pressure piston-pump-valve extractor |
| 09/09/2009 | CN101526083A High-sealability air pump cylinder body |
| 09/09/2009 | CN101526082A Energy-saving and noise-reducing vacuum pump |
| 09/09/2009 | CN101526081A Leak stop structure for pressure cover body of pressure pump of water purification system |
| 09/09/2009 | CN101526019A Oil pump cover |
| 09/08/2009 | CA2525201C Plunger lift apparatus that includes one or more sensors |
| 09/08/2009 | CA2521026C Rear entry stepped pump with frangible member |
| 09/03/2009 | WO2009090508A3 Plunger pair |
| 09/03/2009 | US20090218457 Shell type needle roller bearing, support structure for compressor spindle, and support structure for piston pump driving portion |
| 09/03/2009 | DE102008029245A1 Vehicle brake system piston pump for adjustable brake system, has reset spring whose one end is indirectly fixed at valve seat carrier and another end elastically subjects piston, where reset spring exhibits different winding diameters |
| 09/02/2009 | EP2095007A2 Mounting bracket for a pump |
| 09/02/2009 | CN201301805Y Magma pump piston cylinder entering device |
| 09/02/2009 | CN201301804Y Mud pump piston extractor |
| 09/02/2009 | CN201301803Y Plunger connecting rod mechanism of the high-pressure pump of a spraying machine |
| 09/02/2009 | CN201301802Y Inflator handle |
| 09/02/2009 | CN201301801Y High-pressure plunger pump cross fitting |
| 09/02/2009 | CN101523052A Cylinder piston arrangement for a fluid pump or a fluid motor |
| 09/02/2009 | CN101520041A Large flow rate fluid conveying device |
| 09/02/2009 | CN101520040A Manufacturing method of multi-flow passage fluid conveying device |
| 09/02/2009 | CN101520039A Multi-flow passage fluid conveying device |
| 09/02/2009 | CN101520038A Micro-droplet fluid conveying device |
| 09/02/2009 | CN101520037A Synchronous-isolation plunger pump |
| 09/02/2009 | CN101520036A Oil scavenging pump of braking anti-locked system of automobile |
| 09/02/2009 | CN100535440C Booster valve of lubricating system for concrete pump |
| 09/01/2009 | US7581935 Device and method for controlling a thick matter pump |
| 08/27/2009 | WO2009103572A1 High-pressure pump for feeding high-pressure fuel to an internal-combustion engine |
| 08/27/2009 | DE102008010286A1 Piston pump, particularly radial piston fuel pump for internal combustion engine, has oil impinged chamber, where displacing piston is guided in hollow cylinder with front surface on outer periphery of hollow cylinder |
| 08/27/2009 | DE102008010242A1 High pressure generator for use in e.g. fuel injection system in diesel engine, has piston interfused by cross hole in transverse direction, where hole opens into groove at end turned towards chamber and is connected to piston front surface |
| 08/27/2009 | DE102005030556B4 Mehrteiliger Kolben und Verfahren zur Herstellung eines mehrteiligen Kolbens Multi-part piston and method of manufacturing a multi-piece piston |
| 08/26/2009 | EP2093425A1 Swash plate type piston pump motor |