| Patents for F04B 35 - Piston pumpsspecially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for (9,373) |
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| 08/24/2004 | US6779988 Structure of a base for a mini air compressor |
| 08/24/2004 | US6779984 Position sensor and compressor |
| 08/19/2004 | US20040161348 Electric compressor for flammable gas and flammable gas supply system |
| 08/18/2004 | EP1446580A1 Suction muffler for a reciprocating hermetic compressor |
| 08/18/2004 | EP1446579A1 Linear motor controller |
| 08/18/2004 | EP1117550A4 Magnetic clutch method and apparatus for driving a vehicle air conditioner |
| 08/18/2004 | CN2634147Y Novel air compressor circular valve |
| 08/18/2004 | CN1522341A Suction valve for reciprocating compressor |
| 08/18/2004 | CN1521397A 电动压缩机 Electric compressor |
| 08/12/2004 | WO2004068693A2 Brushless and sensorless dc motor control system with locked and stopped rotor detection |
| 08/12/2004 | US20040156732 Oil pumping system for a reciprocating hermetic compressor |
| 08/12/2004 | US20040156730 Linear compressor |
| 08/12/2004 | CA2513550A1 Brushless and sensorless dc motor control system with locked and stopped rotor detection |
| 08/11/2004 | CN2632337Y 电动压缩机 Electric compressor |
| 08/11/2004 | CN1161544C Reciprocative compressor |
| 08/11/2004 | CN1161542C Spring support structure of linear compressor |
| 08/11/2004 | CN1161539C Reciprocating fluid machines |
| 08/10/2004 | US6773237 Air compressor workbench |
| 08/10/2004 | US6772592 Float dependent wave energy device |
| 08/05/2004 | DE102004001993A1 Drehvorrichtung mit einer Drehmomentbegrenzerfunktion Rotating device with a torque limiter |
| 08/04/2004 | EP1442218A1 Abrasion preventive structure of reciprocating compressor |
| 08/04/2004 | CN1517547A 往复泵和真空泵 Reciprocating pumps and vacuum pumps |
| 07/29/2004 | WO2004063569A1 A linear-compressor control system a method of controlling a linear compressor a linear compressor and cooling system |
| 07/29/2004 | US20040146418 Suction valve for reciprocating compressor |
| 07/29/2004 | US20040146408 Portable air compressor/tank device |
| 07/29/2004 | US20040145247 Linear electric motor |
| 07/28/2004 | EP1440500A2 Drive for the piston of a linear cooler |
| 07/28/2004 | CN2628755Y Compressor air valve |
| 07/28/2004 | CN2628752Y Self-locking adjustable pressure inflating pump |
| 07/28/2004 | CN2628751Y Non-oil air compressor |
| 07/28/2004 | CN2628750Y Motor vehicle braking air compressor with diesel engine oil pump coaxial coupling device |
| 07/28/2004 | CN1516785A Suction gas guiding system for reciprocating compressor |
| 07/28/2004 | CN1515797A Closed rotary compressor |
| 07/28/2004 | CN1159527C Compressor and refrigerant system using the same |
| 07/27/2004 | US6768246 Biologically powered electroactive polymer generators |
| 07/22/2004 | US20040141860 Linear compressor |
| 07/22/2004 | US20040141858 Fuel pump with cooling fins |
| 07/22/2004 | US20040141857 Method for manufacturing a cell-driving-type micro pump member |
| 07/22/2004 | US20040141855 Air compressor |
| 07/22/2004 | CA2754739A1 Infusion device and driving mechanism and process for same with actuator for multiple infusion uses |
| 07/21/2004 | CN2627240Y Piston type eccentric compressor |
| 07/21/2004 | CN2627239Y Portable air compressor |
| 07/21/2004 | CN1514909A Reliability-improving structure of reciprocating compressor |
| 07/15/2004 | DE10334213A1 Vorrichtung zum Steuern des Antriebs eines Linearmotors und Verfahren dazu An apparatus for controlling the drive of the linear motor and method thereof |
| 07/14/2004 | EP1437506A1 PISTON TYPE GAS COMPRESSOR, AND PISTON TYPE GAS PRESSURE DRIVE ROTATION DEVICE |
| 07/14/2004 | EP1226001A4 Methods relating to constructing reciprocator assembly |
| 07/14/2004 | CN2625612Y Dual purpose aerating device |
| 07/13/2004 | US6761543 Piston operating assembly for a linear compressor and method for manufacturing the same |
| 07/13/2004 | CA2463749A1 Di-rotary compressor/pump |
| 07/08/2004 | WO2004057739A1 Method for controlling operation of compressor and apparatus thereof |
| 07/08/2004 | WO2004057249A1 Operation control apparatus for compressor and method thereof |
| 07/08/2004 | WO2004057188A1 Reciprocating compressor for refrigerator |
| 07/08/2004 | WO2004057187A1 Reciprocating compressor for compressing refrigerant |
| 07/08/2004 | WO2004057186A1 Refrigerating system having reciprocating comrpessor |
| 07/08/2004 | WO2004057185A1 Refrigerating system having reciprocating compressor |
| 07/08/2004 | US20040131481 Air pump having high efficiency anti-vibration bottom seat |
| 07/08/2004 | US20040131474 Pumping system |
| 07/08/2004 | US20040131472 Reciprocating pump and vacuum pump |
| 07/08/2004 | DE19922511B4 Ölumlaufstruktur für einen linearen Kompressor Oil circulation structure for a linear compressor |
| 07/07/2004 | EP1435459A2 Reciprocating pump and vacuum pump |
| 07/07/2004 | EP1181449B1 Pump cylinder and method of collecting pasty materials, liquids, gases and/or mobile objects |
| 07/07/2004 | CN1510252A Rotary fluid machinery, blade fluid machinery and waste heat recovering device of IC engine |
| 07/07/2004 | CN1510250A Rotary fluid machinery, blade fluid machinery and waste heat recovering device of IC engine |
| 07/06/2004 | US6759777 Permanent magnet type electric rotating machine |
| 07/06/2004 | US6759776 Permanent magnet type electric rotating machine |
| 07/01/2004 | WO2004044421A3 Fluid pumps with increased pumping efficiency |
| 07/01/2004 | WO2004010838A3 Portable hand-held battery-operated dust blower |
| 07/01/2004 | US20040124738 Electroactive polymer thermal electric generators |
| 07/01/2004 | US20040123605 Expansion-nozzle cryogenic refrigeration system with reciprocating compressor |
| 07/01/2004 | DE10297112T5 Taumelkolbenpumpe mit Kohlenstoffgraphitzylinder Rotary piston pump with carbon graphite cylinder |
| 06/30/2004 | EP1433955A1 Linear compressor |
| 06/30/2004 | EP1432912A1 Oscillating-piston drive for a vacuum pump and an operating method for said drive |
| 06/30/2004 | EP1373727A4 Reciprocating compressor |
| 06/30/2004 | CN1509376A Control device of linear compressor drive system |
| 06/30/2004 | CN1508427A Reciprocating moving compressor magnet frame structure |
| 06/29/2004 | US6755627 Linear compressor |
| 06/29/2004 | US6755624 Dual capacity compressor |
| 06/29/2004 | US6755033 Hybrid compressor apparatus and method of controlling the same |
| 06/29/2004 | US6755030 Hybrid compressor system |
| 06/24/2004 | US20040120834 Linear compressor |
| 06/24/2004 | DE19860150B4 Vorrichtung zur Übertragung eines Drehmoments von einem Verbrennungsmotor zu einem Kompressor A device for transmitting a torque from an engine to a compressor |
| 06/24/2004 | DE10337974A1 Lubricating device for reciprocating compressor, has lubrication oil storage arranged at discharge hole front which forms storage space to store lubrication oil released to discharge hole at predetermined time and discharge lubrication oil |
| 06/24/2004 | DE10331877A1 Elektrokompressor Electric compressor |
| 06/24/2004 | DE10258364A1 Electrical drive for claw compressor or piston pump, has centrifugal mass integrated with rotor comprising multiple magnet segments connected to mass |
| 06/23/2004 | EP1431602A1 Rotary machine |
| 06/23/2004 | EP1431579A1 Compressor |
| 06/23/2004 | EP1373728A4 Driving controlling apparatus for reciprocating compressor |
| 06/23/2004 | CN2621228Y Inflator of quickly inflating |
| 06/23/2004 | CN1507147A Apparatus for controlling driving linear motor and method thereof |
| 06/23/2004 | CN1506581A Air compressor piston in improved structure |
| 06/23/2004 | CN1506579A Electro-pneumatic compressor |
| 06/23/2004 | CN1506578A Simplified gas compressing method and apparatus |
| 06/22/2004 | US6753665 Linear compressor drive device |
| 06/22/2004 | US6752601 Micropump |
| 06/17/2004 | US20040115076 Reciprocating compressor with a linear motor |
| 06/17/2004 | US20040115075 Miniature air compressor |
| 06/17/2004 | US20040115073 Air pump with electric motor |
| 06/17/2004 | US20040115067 Fluid delivery device, system and method |
| 06/17/2004 | DE10254045A1 Compressor arrangement for cooling system has housing that is open to that side from which the motor is inserted |
| 06/16/2004 | EP1427941A1 Engine driven compressor |