| 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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| 12/17/2009 | US20090311108 Method for Operation of a Compressor Unit, and Associated Compressor Unit |
| 12/17/2009 | DE102008009226A1 High-pressure pump for fuel injection, has housing and base body which is formed from flange part connected with housing and consisting of guide component |
| 12/17/2009 | DE102008002360A1 Radial piston pump for supplying fuel to internal combustion engine, has piston comprising cylinder surface, and suction pipeline and high pressure pipelines provided with respective outlets, which concentrically surround common axis |
| 12/17/2009 | CA2727536A1 A pump housing support |
| 12/16/2009 | CN201363268Y Sand pump for square rod type horizontal well and inclined well |
| 12/16/2009 | CN201363267Y Novel structure at feedback rod of hydraulic-control variable capacity pump |
| 12/16/2009 | CN201363266Y Air cylinder tail bearing seat matched with air pump set for use |
| 12/16/2009 | CN201363265Y Bearing box for connecting air pump set with pumping unit walking beam |
| 12/16/2009 | CN201363257Y Peristaltic pump device for conveying liquid |
| 12/16/2009 | CN201363255Y Split air compressor |
| 12/16/2009 | CN201363247Y High-pressure axial piston pump structure |
| 12/16/2009 | CN201363245Y Piston self-sucking pump |
| 12/16/2009 | CN201363244Y Axial plunger variable pump |
| 12/16/2009 | CN101606059A HPLC pumping apparatus with silicon carbide piston and/or working chamber |
| 12/16/2009 | CN101605943A Pumped shower drain system |
| 12/16/2009 | CN101603529A Semi-automatic mounting pump tooling platform |
| 12/16/2009 | CN101603528A Combination of a chamber and a piston, and a pump, engine, oscillation absorber and a converter containing such combination |
| 12/16/2009 | CN100570157C Gapless structure of piston reciprocating compressor |
| 12/16/2009 | CN100570156C Self-refluxing single flow valve for oil-submersible electric pump |
| 12/15/2009 | CA2504503C Variable orifice bypass plunger |
| 12/10/2009 | US20090304526 Debris removal apparatus for a pump and method |
| 12/10/2009 | DE102008027094A1 Housing block for use in pump assembly of e.g. vehicle brake system, has hollow region staying in fluid connection with chamber, and chamber wall selectively surface treated such that hollow region is excluded from surface treatment |
| 12/10/2009 | DE102008002195A1 Plug-in pump for internal combustion engine, has hollow cylinder and piston end connected with each other in fluid-tight manner by bellows, where annular space enclosing piston is attached to leakage line |
| 12/09/2009 | CN201359080Y Piston ring |
| 12/09/2009 | CN201358914Y Lubrication device of plunger pump transmission mechanism |
| 12/09/2009 | CN201358913Y Energy-saving type crank pin end cap device |
| 12/09/2009 | CN201358912Y Novel drill pump piston |
| 12/09/2009 | CN201358911Y Shockless three-way unidirectional pump valve |
| 12/09/2009 | CN201358910Y Oil pumping well W flow type deep well pump fixed valve uniflow valve |
| 12/09/2009 | CN201358909Y Air-conditioning compressor swashplate |
| 12/09/2009 | CN201357392Y Plunger assembling tool of plunger pump |
| 12/09/2009 | CN101598125A A combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination |
| 12/09/2009 | CN101598124A Straight-through valve type sleeve piston assembly |
| 12/09/2009 | CN100567735C Oil-well pumping connection separator |
| 12/09/2009 | CA2667695A1 Debris removal apparatus for a pump and method |
| 12/08/2009 | CA2521024C Rear entry stepped pump with sealing plug |
| 12/08/2009 | CA2377413C A device comprising a combination of a chamber and a piston |
| 12/03/2009 | WO2009146222A1 Variable-volume head |
| 12/03/2009 | WO2009146120A1 Cryogenic pump employing tin-antimony alloys and methods of use |
| 12/03/2009 | WO2009145176A1 Solenoid valve device |
| 12/03/2009 | WO2009143751A1 High-pressure oil-free small plunger pump |
| 12/03/2009 | US20090297373 Cooling airflow electric motor-driven pump |
| 12/03/2009 | US20090297368 Single Piece Water Over Air Intercooler for a Reciprocating Air Compressor |
| 12/03/2009 | DE102009020673A1 Multifunktionspumpendeckel Multifunctional pump cover |
| 12/03/2009 | DE102008001960A1 Pump i.e. fuel high-pressure pump, for fuel injecting device of internal-combustion engine, has pump housing with main housing and flange made of aluminum, that is converted into layer of alumina ceramic in area of surface at bearing areas |
| 12/03/2009 | DE102005044904B4 Elektromagnetisch betreibbare Dosierpumpe Electromagnetically operated metering pump |
| 12/02/2009 | CN201354732Y Petroleum drilling mud pump assembling piston with radiating support plate |
| 12/02/2009 | CN201354731Y Refrigeration compressor piston with spherical holding part |
| 12/02/2009 | CN201354730Y Integrated pump head of small-sized mud pump |
| 12/02/2009 | CN201354729Y Inflating pump viewing box |
| 12/02/2009 | CN101592149A Plunger piston assembly adopting compound retainer ring |
| 12/02/2009 | CN101592148A High-suction water pumping booster |
| 12/02/2009 | CN101592144A Extracting device and method thereof |
| 12/02/2009 | CN100564957C Reciprocating machine |
| 12/02/2009 | CN100564879C Method for processing chemical composite flooding ceramic anti-scaling screw pump rotor |
| 12/02/2009 | CN100564564C Spray surface film sliding material, sliding part and sliding member and apparatus employing them |
| 12/01/2009 | US7625190 Crossover switching valve |
| 11/26/2009 | WO2009141188A1 Method and system for feeding fuel to an internal combustion engine |
| 11/26/2009 | DE102008001870A1 High-pressure pump e.g. radial piston pump, for air-compressing, self-ignition internal combustion engine, has pump-connection point whose throttling effect is greater than throttling effect at another pump-connection point |
| 11/26/2009 | DE102008001845A1 High-pressure fuel pump for common-rail fuel injection system of internal combustion engine, has rear and front walls extending parallel to each other, and side wall section enclosing angle of specific degree with front wall's extension |
| 11/25/2009 | EP2123912A1 Diaphragm pump with vent |
| 11/25/2009 | EP2122168A2 Load ring mounting of pumping plunger |
| 11/25/2009 | EP2122166A1 Motor pump unit particularly for a high-pressure cleaning device |
| 11/25/2009 | CN201351600Y Concrete piston for concrete pump |
| 11/25/2009 | CN201351599Y Piston assembly adopting complex retainer ring |
| 11/25/2009 | CN201351598Y Piston and cylinder component with same |
| 11/25/2009 | CN201351597Y Filling valve of pressure transmitting oil well pump |
| 11/25/2009 | CN201351596Y Synchronous isolated displacement pump |
| 11/25/2009 | CN201351595Y Synchronous feeding non-return device used in plunger pump |
| 11/25/2009 | CN201351594Y Connecting rod of compressor |
| 11/25/2009 | CN101586560A Bidirectional protecting oil pump plunger and hot spray processing technique for surface of same |
| 11/25/2009 | CN101586559A Bidirectional protecting oil pump plunger and hot spray processing technique for surface of same |
| 11/25/2009 | CN101586558A Bidirectional protecting oil pump plunger and hot spray processing technique for alloy coating of same |
| 11/25/2009 | CN101586557A Bidirectional protective oil pump plunger |
| 11/25/2009 | CN101586556A AOF bidirectional protective oil pump plunger |
| 11/25/2009 | CN101586555A Parabolic air pump piston |
| 11/25/2009 | CN101586554A Air pump piston with two oil return holes |
| 11/25/2009 | CN101586553A Air pump piston with oil return holes |
| 11/25/2009 | CN101586552A High pressure reciprocating pump combination valve |
| 11/25/2009 | CN100562664C Pump unit for supply of chemical |
| 11/24/2009 | US7621728 Pump inlet manifold |
| 11/24/2009 | US7621726 Metering pump |
| 11/24/2009 | CA2523386C Cyclonic debris removal device and method for a pumping apparatus |
| 11/24/2009 | CA2479917C Valve arrangement for reciprocating machinery such as a pump and a compressor |
| 11/19/2009 | WO2009139135A1 Hermetic compressor |
| 11/19/2009 | WO2009137862A1 A valve and diaphragm for a pump |
| 11/19/2009 | WO2009115565A3 Coolant compressor |
| 11/19/2009 | DE102008001824A1 Pump, particularly high pressure fuel pump for fuel injection device of internal-combustion engine, has non-return valve that has cup-shaped valve housing |
| 11/19/2009 | DE102008001793A1 High pressure pump, particularly fuel injection device for internal combustion engine, has pump housing, where drive shaft rotating around axis is carried |
| 11/19/2009 | DE102008001716A1 Radial piston pump e.g. diesel injection pump, for use with engine of motor vehicle, has piston pump housing in which drive shaft is rotatably arranged, to drive piston, and cylinder head coated externally with noise insulation material |
| 11/19/2009 | DE102008001713A1 Radialkolbenpumpe Radial piston pump |
| 11/19/2009 | CA2722592A1 A valve and diaphragm for a pump |
| 11/18/2009 | CN201347854Y Pressure plate of guiding frame of water-supply valve of drilling pump |
| 11/18/2009 | CN201347853Y Sealing device for intermediate rod of drill pump |
| 11/18/2009 | CN201347851Y Torque releasing device for screw pump well |
| 11/18/2009 | CN101581299A Plunger piston with large flow passage |
| 11/18/2009 | CN101581298A Inclined plunger hydraulic pump/motor |
| 11/18/2009 | CN101581297A Inclined plunger hydraulic pump/motor |
| 11/18/2009 | CN101581296A Closed reciprocating compressor |
| 11/18/2009 | CN101581293A Self-lubricating string for rod and tubing wear prevention and sucker rod pumping of inclined wells |