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)
12/2003
12/16/2003US6663364 Scroll type compressor
12/16/2003US6663363 Driving pin structure for scroll compressor
12/11/2003WO2003102423A1 Liquid ring compressor
12/11/2003WO2003102422A1 Two-stage rotary screw fluid compressor
12/11/2003WO2003102421A1 Scroll-type compressor
12/11/2003US20030228237 Gerotor apparatus for a quasi-isothermal Brayton Cycle engine
12/11/2003US20030228236 Self-balanced compressor crankshaft
12/11/2003US20030228235 Scroll type compressor
12/11/2003US20030228233 Lubrication of a hermetic carbon dioxide compressor
12/11/2003US20030228229 Screw compressor
12/11/2003CA2431298A1 Method of draining and recharging hermetic compressor oil
12/10/2003EP1369590A2 Two-stage rotary type compressor
12/10/2003CN2591278Y Gear pump
12/09/2003US6659749 Hermetic compressor and open compressor
12/09/2003US6659745 Scroll compressor having different tip clearances for spiral bodies having different heights
12/09/2003US6659743 Scroll fluid machine having multistage compressing part
12/09/2003US6659738 Composite drive system for compressor
12/09/2003US6659735 Scroll compressor
12/09/2003US6659227 Oil leak prevention structure for vacuum pump
12/09/2003US6658885 Rotary compressor with muffler discharging into oil sump
12/04/2003WO2003100258A1 Dual-shaft vacuum pump
12/04/2003US20030223900 Rotary compressor
12/04/2003US20030223899 Scroll compressor
12/04/2003US20030223897 Two-stage rotary screw fluid compressor
12/04/2003US20030223894 Inleakageproof structure for escape opening of a coil-type compressor
12/04/2003US20030223885 Oil-cooled compressor
12/03/2003EP1366298A1 Water-injected screw-type compressor
12/03/2003EP1366297A1 Water-injected screw compressor
12/03/2003EP1366296A1 Screw vacuum pump comprising additional flow bodies
12/03/2003EP1366294A2 Rotary positive displacement machine
12/03/2003EP1366139A1 Refrigerator lubricant compositions
12/03/2003CN2589696Y Improved arrangement for compressor back valve
12/03/2003CN2589695Y Automobile air-conditioner compressor air intake and exhaust outlet sealing structure
12/03/2003CN1459572A Vortex compressor
12/03/2003CN1459571A Air compressor
12/03/2003CN1129755C Refrigerating cycle
12/03/2003CN1129715C Hermetic rotary compressor with resonance chamber
12/02/2003US6655172 Scroll compressor with vapor injection
12/02/2003CA2103539C Vane pump
11/2003
11/27/2003WO2003098047A1 Vacuum pump
11/27/2003WO2003098016A1 Rotary engine with counter-rotating housing and crankshaft
11/27/2003US20030219351 Scroll compressor
11/27/2003US20030219349 Simplified stamped counterweight
11/26/2003EP1365153A1 Gas compressor
11/26/2003EP1365152A1 Scroll compressor using carbon dioxide
11/26/2003EP1364442A2 Motor with divided stator having bonded laminations
11/26/2003EP1363719A2 Oil separator for pumps overflowing with oil
11/26/2003CN2588079Y Circular shape fin type oil cooling device for sliding-vane compressor
11/26/2003CN2588078Y Oil Chamber for compressor
11/26/2003CN2588077Y Driving end cap for compressor rotor-stator parts
11/26/2003CN1458423A Vortex compressor
11/26/2003CN1458422A Vortex compressor
11/26/2003CN1128935C Pump simultaneously producing pressure and negative pressure
11/26/2003CN1128934C Package-type scroll compressor
11/26/2003CN1128933C Vortex-type compressor
11/25/2003US6652250 Screw compressor having intermediate shaft bearing
11/25/2003US6652238 High-pressure dome type compressor
11/25/2003US6651458 Internal intermediate pressure 2-stage compression type rotary compressor
11/20/2003US20030215345 Gerotor apparatus for a quasi-isothermal brayton cycle engine
11/20/2003US20030213460 Rotary engine with counter-rotating housing and output shaft mounted on stationary spindle
11/19/2003EP1363026A2 Invertor integrated motor for an automotive vehicle
11/19/2003EP1362188A1 Rotary piston machine for compressible media
11/19/2003CN1457303A On-vehicle air conditioner
11/19/2003CN1456813A Sealed rotor duplex compressor and manufacturing method thereof
11/19/2003CN1456812A Unsymmetric porthole of multirotor screw compressor
11/18/2003US6648619 Vacuum pump
11/18/2003US6648607 Scroll compressor with oil reservoir associated with motor protector
11/18/2003US6648604 Short reverse rotation of scroll compressor at startup
11/13/2003WO2003093678A1 Vacuum pump and method for generating sub-pressure
11/13/2003WO2003093675A1 Compressor having noise reducing apparatus
11/13/2003US20030210999 Asymmetric porting for multi-rotor screw compressor
11/12/2003EP1361365A2 Vacuum pump and plastic rotor
11/12/2003EP1361364A2 Multi-rotor screw compressor
11/12/2003CN1455849A Pump comprising water supply
11/12/2003CN1455126A Bearing for carbon dioxide refrigrant compressor, compressor using said bearing and use thereof
11/12/2003CN1455116A Inner-intubation silencer for rotary compressor
11/12/2003CN1455115A Multi-chamber silencer for rotary compressor
11/12/2003CN1455114A Micropole diffusor of rotary compressor
11/12/2003CN1127626C Improved lubrication systems for scroll compressors
11/12/2003CN1127623C Radial compliance mechanism for co-rotating scroll apparatus
11/11/2003US6644946 Scroll type compressor
11/11/2003US6644942 Monobloc housing for vacuum pump
11/11/2003US6644931 System for pumping low thermal conductivity gases
11/06/2003US20030206815 Electric compressor
11/06/2003US20030205945 Electric motor
11/05/2003EP1359382A1 Air/oil separating tank - thermostatic valve - minimum pressure valve - oil cooling radiator - compressed air cooling radiator group
11/05/2003EP1358408A1 Horizontal scroll compressor
11/05/2003CN2584882Y Vortex air-conditioning compressor with anti-self-rotation and flexible mechanism
11/05/2003CN1126871C Compressor assembly with positive displacement pump capable of rotating oppositely
11/04/2003US6641370 Vacuum pump apparatus having improved sealing structure
11/04/2003US6641369 Liquid ring compressor with thin distribution plate
10/2003
10/30/2003WO2003036094A3 Vacuum pump
10/30/2003US20030200761 Inverter-integrated motor for an automotive vehicle
10/29/2003EP1357293A2 Bearing for CO2 refrigerant compressor
10/29/2003EP1357292A1 Single-screw compressor
10/29/2003EP1357291A2 Rotating scroll compressor
10/29/2003EP1101070B1 Vapor-compression evaporative air conditioning system
10/29/2003CN1451878A Structure for reducing noise of exhaust valve
10/29/2003CN1451877A Structure for decreasing discharged lubricating oil of compressor
10/29/2003CN1451876A Compressor rotation shaft supporting structure
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