Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
Patents for F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups (16,981)
10/2003
10/29/2003CN1451875A Structure for decreasing friction loss of compressor
10/29/2003CN1451874A Compressor bearing structure
10/29/2003CN1451865A Sealed compressor baffle supporting device
10/28/2003US6638043 Diffuser for high-speed screw compressor
10/28/2003US6638042 Asymmetric porting for multi-rotor screw compressor
10/28/2003US6638030 Oil free screw compressor
10/28/2003US6638029 Pressure ratio modulation for a two stage oil free compressor assembly
10/28/2003US6637550 Displacement type fluid machine
10/28/2003US6637216 Compressor with internal accumulator for use in split compressor
10/23/2003WO2003087540A1 Scroll type fluid displacement apparatus with fully compliant floating scrolls
10/23/2003US20030196449 Refrigerating apparatus
10/22/2003EP1354136A1 Refrigeration compressor with magnetic coupling
10/22/2003EP1007852B1 Compressor having a water circulation system
10/21/2003US6634875 Scroll compressor having an Oldham's ring containing silicon particles
10/16/2003WO2003085335A1 Injection of liquid and vapor refrigerant through economizer ports
10/16/2003WO2003085334A1 Improvement for multi-coupled heat pump system
10/16/2003WO2003085267A1 A unit consisting of a compressor element and a pressure vessel and a connection pipe therefor
10/16/2003US20030194340 Scroll type fluid displacement apparatus with fully compliant floating scrolls
10/16/2003US20030194338 Refrigerating cycle or compressor having foreign matter collector
10/16/2003US20030194334 Scroll compressor with motor control for capacity modulation
10/16/2003US20030194330 Short reverse rotation of compressor at startup
10/15/2003CN2580147Y Non-return valve structure with noise reduction cover
10/15/2003CN1124416C Fluid compressor and air conditioner
10/15/2003CN1124414C Positive-displacement type fluid machine
10/14/2003US6631617 Two stage hermetic carbon dioxide compressor
10/09/2003WO2003083311A2 Motor pump
10/09/2003WO2003083309A1 Compressor
10/09/2003WO2003083302A1 High-low pressure dome type compressor
10/09/2003US20030188542 Method for regulating a compressor installation with a dryer and compressor installation used therewith
10/08/2003CN2578568Y Composite double-layer silencer
10/08/2003CN2578567Y Reservoir with annular grooves
10/08/2003CN1447081A Vortex machinery with liquid injection
10/08/2003CN1123699C Scroll compressor with pressure equalization groove
10/08/2003CN1123698C Conical hub bearing for scroll machine
10/07/2003US6629830 Pressure adjuster valve and gas compressor using the same
10/02/2003WO2003081043A1 Compressor
10/02/2003WO2002004814A3 Rotary positive displacement machine
10/02/2003US20030185696 Vacuum pump
10/01/2003EP1348870A2 Fuel gas compression system
10/01/2003EP1007854B1 Pulsation damper
10/01/2003EP0995037B1 Compressor assembly
10/01/2003CN1446291A Two-shaft vacuum pump
10/01/2003CN1446290A 压缩机 Compressor
10/01/2003CN1445460A 卧式旋转压缩机 Horizontal rotary compressor
10/01/2003CN1445459A 真空泵 Vacuum pump
10/01/2003CN1445456A Vortex compressor with anti-inversion set
09/2003
09/30/2003US6626652 Motor-driven compressors and methods of assembling motor-driven compressors
09/30/2003US6626646 Vehicle mounted gas well pumping unit
09/30/2003CA2275789C Positive displacement pump
09/25/2003WO2003078842A1 Rotary compressor
09/25/2003WO2003078807A2 Suction oil injection for rotary compressor
09/25/2003US20030180169 Rotary compressor for vehicle
09/25/2003US20030180153 Vacuum pump
09/25/2003US20030180150 Oil free screw compressor operating at variable speeds and control method therefor
09/24/2003EP1347177A2 Horizontal compressor
09/24/2003EP1347176A2 Vacuum pump
09/24/2003EP1345663A1 Method for regulating a compressor installation with a dryer and compressor installation used therewith
09/24/2003CN1444700A Twin screw rotors and displacement machines containing the same
09/23/2003US6623244 Heater material
09/20/2003WO2001069061A1 Multiple induction energy-driven engine
09/18/2003US20030175140 Horizontal compressor
09/18/2003US20030175139 Scroll compressor having reversion preventive device
09/18/2003US20030173155 Suction oil injection for rotary compressor
09/17/2003EP1344937A1 Scroll compressor with discharge valve
09/17/2003EP1344005A2 Compressor
09/17/2003CN2573729Y Vacuum pump for milking machine
09/17/2003CN1442617A Method of coating fluorocarbon resin and sliding part and gas compressor using said method
09/17/2003CN1121557C Closed rotary compressor
09/16/2003US6619936 Scroll compressor with vapor injection
09/16/2003US6619934 Scroll compressor with motor control for capacity modulation
09/16/2003US6619933 With drive circuits that do not require additional cooling equipment, such as radiators and fans
09/16/2003US6619430 Refrigerant gas buffered seal system
09/16/2003US6619062 Scroll compressor and air conditioner
09/16/2003US6618931 Apparatus for aligning scroll compressor
09/12/2003WO2003074880A1 Double compressor having planetary rotors
09/12/2003WO2003074879A1 Scroll compressor
09/12/2003WO2003074871A1 Closed compressor
09/11/2003US20030170134 Compressor and vane therefor
09/11/2003US20030167784 Two-stage compressor for an automotive air conditioner, which can be driven by a vehicle running engine and an electric motor different therefrom
09/10/2003CN1441168A Vacuum air exhaust device
09/10/2003CN1120936C Whirl compressor and its prodn, method
09/09/2003US6616431 Scroll-type compressors
09/09/2003US6616430 Scroll compressors
09/09/2003US6616428 Double-cylinder two-stage compression rotary compressor
09/09/2003US6616415 Fuel gas compression system
09/09/2003US6615598 Scroll machine with liquid injection
09/03/2003EP1340916A2 Screw type vacuum pump
09/03/2003EP1339987A2 Hermetic compressor
09/03/2003EP1339608A1 Device for emptying a food storage container which can be sealed by means of a valve
09/03/2003EP1108143B1 Dry-compressing screw pump
09/03/2003EP0846863B1 Scroll compressor
09/03/2003CN2570500Y Rotary compressor cylinder having leaf trap with lubricating oil aperture
09/02/2003US6612820 Screw compressor having sealed low and high pressure bearing chambers
08/2003
08/28/2003WO2003071135A1 Vacuum pump comprising a single-part connecting branch and housing element
08/28/2003US20030161749 Vacuum exhausting apparatus
08/28/2003US20030161747 Scroll-type fluid machine
08/28/2003US20030161743 Fluid circulation path for motor pump
08/28/2003US20030161740 Liner for fluid pump motor
08/28/2003US20030161732 Overheat protection for fluid pump
08/28/2003US20030160527 Fluid barrier for motor rotor
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