Patents
Patents for F04B 39 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups (22,436)
10/2002
10/24/2002US20020155015 Hermetic compressor and open compressor
10/24/2002US20020155014 Pressure seal for a vacuum pump
10/24/2002US20020155006 Multi-cylinder compressor
10/24/2002DE10125420C1 Multi-stage reciprocating compressor with interconnected high- and low pressure cylinders, employs plastic disc closure in non return valve
10/24/2002DE10118930A1 Cylinder head has running surface, at least one piston ring, and cylindrical inner surface of cylinder head
10/23/2002EP1251279A2 Damped valve
10/23/2002EP1251273A2 Seal structure for use in housing of compressor
10/23/2002EP1250530A1 Profiled plate valve
10/23/2002CN1376237A Conversion of rectilinear reciprocating motion into rotational motion
10/22/2002US6468060 Oil film dilation for compressor suction valve stress reduction
10/22/2002US6468050 Cylinder head assembly including partitions disposed in refrigerant introduction path and reciprocating compressor using the same
10/17/2002WO2002081916A1 Oil pumping system for a reciprocating hermetic compressor
10/17/2002WO2002081914A1 Suction gas guiding system for reciprocating compressor
10/17/2002WO2002081912A1 Reciprocating compressor
10/17/2002WO2002081911A1 Cylinder head for reciprocating compressor
10/17/2002US20020150494 Shaft seal structure of vacuum pumps
10/17/2002US20020150488 Discharge valve apparatus for reciprocating compressor
10/17/2002DE10209997A1 Hubkolbenkompressor Reciprocating compressor
10/17/2002DE10117791A1 Compressor system for producing compressed air comprises a compressor stage arranged in a sound-proof compressor chamber (26) within a housing but spatially removed from a drive motor
10/16/2002EP1249605A2 Compressor piston
10/16/2002CN1374456A Fluid mechanism
10/16/2002CN1374454A 压缩机 Compressor
10/16/2002CN1374453A Method and apparatus for producing piston in compressor
10/15/2002US6463842 Piston-type compressors with reciprocating pistons
10/10/2002WO2002079652A1 Variable capacity compressor having adjustable crankpin throw structure
10/10/2002WO2002079649A1 Spring support structure for reciprocating compressor
10/10/2002WO2002065028A3 Combined refrigeration system with a liquid pre-cooling heat exchanger
10/10/2002US20020146339 Compressor piston with reduced discharge clearance
10/10/2002US20020146335 Motor-driven compressors and methods of assembling motor-driven compressors
10/10/2002US20020146328 Compressor provided with pressure relief valve
10/10/2002US20020145359 Motor with stator formed by assembling divided stator-members into an annular shape, and compressor incorporating the same motor
10/10/2002US20020144733 Ring plate valve for piston compressors
10/09/2002EP1248057A2 Oil separator
10/09/2002EP1247982A2 Multiple ring compressor valve
10/09/2002EP1247029A1 Linear compressor
10/09/2002EP1247022A1 Pump housing construction
10/09/2002CN1373292A Compressor with reduced exhaust shock structure
10/09/2002CN1373291A Compressor component with slide contact zone
10/08/2002US6461126 Compressor in an airtight refrigerating unit with improved valve system
10/08/2002US6461120 Sealed-type electric compressor having refrigerant passage
10/08/2002US6460823 Movable mounting lug for a compressor
10/08/2002US6460347 Stirling refrigerating machine
10/03/2002WO2002077455A1 Reciprocating compressor
10/03/2002WO2002077454A1 Reciprocating compressor
10/03/2002WO2002049186A3 Electric connector for the motor of a hermetic compressor
10/03/2002US20020141885 Compressor having discharge pulsation reducing structure
10/03/2002US20020141884 Variable clearance system for reciprocating compressors
10/03/2002US20020141883 Reciprocating compressors
10/03/2002US20020141877 Compressor diagnostic system
10/03/2002US20020140309 Synchronous induction motor and manufacturing method and drive unit for the same, and hermetic electric compressor
10/02/2002EP1246348A2 Synchronous induction motor and manufacturing method and drive unit for the same, and hermetic electric compressor
10/02/2002EP1245912A2 Compressor diagnostic system
10/02/2002EP1245830A2 Multi-cylinder compressor
10/02/2002EP1150799B1 A process for producing variable displacement compressor pistons having hollow piston bodies and integral actuator rods
10/02/2002DE10206757A1 Motorbauweise für einen Kolbenverdichter Engine design for a reciprocating compressor
10/02/2002CN1372371A Motor structure for reciprocative compressor
10/02/2002CN1372077A Reciprocative compressor
10/02/2002CN1091844C Apparatus for assembling suction noise suppressor for hermetic compressor
10/01/2002US6457960 Excellent wear resistance and high reliability; using hydrocarbon refrigerant and mineral oil or synthetic oil.
10/01/2002US6457947 Piston compressor for refrigerant, with thermal insulation
09/2002
09/26/2002WO2002074598A1 Compressor discharge oil filter
09/26/2002WO2002044562A3 Hermetic compressor
09/26/2002US20020136650 Electromagnetic compressor and manufacturing method therefor
09/26/2002US20020136646 Reciprocating compressor having a discharge pulsation reducing structure
09/26/2002US20020134617 Suction muffler
09/26/2002US20020134436 Suction gas valve apparatus of reciprocating compressor
09/26/2002US20020134434 Valve, particularly for compressors, with valve face having a shaped profile
09/26/2002US20020134092 Freezer
09/26/2002US20020134062 The present invention relates to nickel powder characterized in that the rate of the nickel particles whose particle size is not less than 1.2 time the average particle size as determined by the observation with an sem is not more than 5%
09/26/2002DE10114327A1 Noise reduction silencer for compressor unit incorporates sieve filters in oil flow passage
09/25/2002EP1242767A1 Method for draining a condensate and a condensate drain
09/25/2002EP1242744A1 Pump housing
09/25/2002CN1371453A Internal intermediate pressure 2-stage compression type rotary compressor
09/25/2002CN1371452A Closed motor-driven compressor
09/25/2002CN1370933A Conveyance amount regulator for rotary compressor
09/25/2002CN1370931A 制冷剂压缩机 Refrigerant compressor
09/24/2002US6454960 Refrigerator using a polyvinyl ether refrigerator oil
09/24/2002US6454549 Motor cover retention
09/24/2002US6454545 Compressor
09/24/2002US6453555 Method of producing compressor piston
09/24/2002US6453554 Swash plate type compressor piston wherein inner surface of base section of neck portion has as-cast surface area
09/24/2002US6453546 Apparatus and method for assembling multi-piston compressors
09/19/2002WO2002073038A1 Compressor-use helical blade and production method therefor, and compressor using this blade
09/19/2002WO2002073036A1 High-pressure shell type compressor and refrigerating device
09/19/2002WO2002073034A2 Piston lubrication system for a reciprocating compressor with a linear motor
09/19/2002US20020131876 Foreign matter removing structure in a fluid circuit and a compressor therewith
09/19/2002US20020131874 Compressor discharge oil filter
09/19/2002US20020131869 Method for connecting compressor with built-in electric motor and external wiring, connection device used therefor, and compressor with built-in electric motor using the same
09/19/2002DE10017704C2 Druckpulsationsdämpfungsvorrichtung für einen Verdichter Druckpulsationsdämpfungsvorrichtung for a compressor
09/18/2002EP1241354A2 Compressor with sealing coat
09/18/2002EP1240430A1 A device and a process for mounting a rotor of a hermetic compressor
09/18/2002EP1240429A1 Multi-piston engine, such as a pump or compressor, with improved vibrational behaviour
09/18/2002EP1240428A2 Compressor valve with integrated sensor
09/18/2002CN2511809Y Small air pump
09/18/2002CN1369646A Air compressor
09/18/2002CN1091223C Slidable discharge valve in hermetic rotary compressor
09/18/2002CN1091221C Reciprocating piston compressor
09/17/2002US6450790 Refrigerating cycle or compressor having foreign matter collector
09/17/2002US6450785 Oil pump for a hermetic compressor
09/17/2002US6450777 Fluid pumping apparatus