F04C 18 - Rotary-piston pumps specially adapted for elastic fluids

Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
11/2004
11/04/2004	WO2004094832A1 Pneumatic machine with shaft portion cooling structure
11/04/2004	WO2004094830A1 Rotary type compressor
11/04/2004	WO2004094828A1 Discharge diffuser for screw compressor
11/04/2004	US20040219048 Scroll fluid machine
11/04/2004	US20040219037 Closed compressor
11/04/2004	US20040217180 Temperature control system for compressor exhaust
11/04/2004	US20040216484 Refrigerant cycle apparatus
11/04/2004	DE202004012835U1 Hypocycloid pump for gases has pair of ovaloid chambers containing hypocycloid rotors with sealed covers having inlet openings
11/04/2004	DE102004015901A1 Lader mit mehreren Rückströmungskanälen zur Geräuschkontrolle Loader with multiple back-flow channels for noise control
11/03/2004	EP1472460A1 Method for controlling the oil recirculation in an oil-injected screw-type compressor and compressor using this method
11/03/2004	EP1472434A2 Gerotor apparatus for a quasi-isothermal brayton cycle engine
11/03/2004	CN2653177Y Duoble stage vacuum pump
10/2004
10/28/2004	WO2004092588A1 Oil and vacuum pumps group for a motor vehicle engine
10/28/2004	WO2004092587A1 Enclosed compressor
10/28/2004	WO2004092586A1 Enclosed compressor
10/28/2004	WO2004076864A3 Scroll compressor with bifurcated flow pattern
10/28/2004	US20040214139 Surface modification process on metal dentures, products produced thereby, and the incorporated system thereof
10/28/2004	US20040211216 Refrigerant cycle apparatus
10/28/2004	US20040211213 Refrigerating device
10/28/2004	DE10310863B3 Schleifgerät Grinding machine
10/27/2004	EP1471258A1 Electric compressor
10/27/2004	EP1471257A2 Multi-cylinder rotary compressor
10/27/2004	EP1471256A1 Closed compressor
10/27/2004	EP1471255A1 Vane pump
10/27/2004	CN2651470Y Dynamic vortx air compressor
10/27/2004	CN1541306A 压缩机 Compressor
10/27/2004	CN1540169A Concave cam mechanism
10/27/2004	CN1540168A Swirl compressor
10/27/2004	CN1540166A Horizontal rotary commpressor
10/27/2004	CN1173119C Closed-type scroll compressor
10/27/2004	CN1173118C 干式真空泵及其转子 Dry vacuum pump and rotor
10/26/2004	US6808836 Air supply system for fuel cell
10/26/2004	US6808373 Scroll fluid machine having projections on a wrap peripheral surface
10/26/2004	US6808372 Compressor with built-in motor, and mobile structure using the same
10/26/2004	US6807821 Compressor with internal accumulator for use in split compressor
10/21/2004	WO2004090336A1 Twin screw compressor
10/21/2004	WO2004090332A1 Dry vacuum pump and method of starting same
10/21/2004	US20040208771 Screw compressor
10/21/2004	US20040208770 Roots supercharger with extended length helical rotors
10/21/2004	US20040208769 Rotary compressor
10/21/2004	US20040208766 Apparatus for preventing reverse rotation of scroll compressor
10/21/2004	US20040208762 Terminal block assembly for a hermetic compressor
10/21/2004	US20040208760 Terminal block assembly for a hermetic compressor
10/21/2004	US20040206315 System for the construction of pumps, compressor, and motor engines, formed by a rotary chamber and pistons which are driven in the same direction at varying velocities alternatively opposite to each other, inside a fixed open or closed structure
10/20/2004	EP1467822A1 Method to rough size coated components for easy assembly
10/20/2004	CN1538071A Rotation compressor
10/20/2004	CN1538070A Device for preventing reverse rotationof scroll compressor
10/20/2004	CN1538069A 压缩机 Compressor
10/20/2004	CN1538068A Roller member for roller pump with odd number of vanes
10/20/2004	CN1172413C Sealed compressor with temp. feed-back provided to motor protector
10/14/2004	US20040202565 Vane pump
10/14/2004	US20040202550 Hybrid compressor
10/13/2004	EP1467101A1 Vane pump
10/13/2004	EP1467100A2 Hermetic compressors
10/13/2004	CN1536230A Valve buffer device for vortex compressor
10/13/2004	CN1536229A Discharged noise eliminating device for vortex compressor
10/13/2004	CN1536228A Rolling band elastic rotor and its application in compressor
10/13/2004	CN1171050C Multi-stage compression refrigerating device
10/13/2004	CN1171019C Turbocompressor having oiler with axial pressure sealing
10/12/2004	CA2293562C Single-source gas actuation for screw compressor slide valve assembly
10/07/2004	WO2004085705A1 Sliding material
10/07/2004	WO2004027324A3 Very low temperature refrigeration system having a scroll compressor with liquid injection
10/07/2004	US20040197209 High-low pressure dome type compressor
10/07/2004	US20040197206 Pump with sealed drive area
10/07/2004	US20040197204 Variable displacement mechanism for scroll type compressor
10/07/2004	US20040197197 Multistage compressor for compressing gases
10/07/2004	US20040194766 Supercharger with multiple backflow ports for noise control
10/07/2004	US20040194306 Coated end wall and method of manufacture
10/06/2004	EP1464841A1 Hermetic compressor
10/06/2004	EP1464840A1 Scroll compressor
10/06/2004	EP1464839A1 Hybrid compressor
10/06/2004	EP1464838A2 Compressor
10/06/2004	EP1464411A1 Method of coating fluorocarbon resin
10/06/2004	EP1334265A4 Fluid power transfer device
10/06/2004	EP1317627B1 Pump comprising a water supply
10/06/2004	EP1021654B1 Screw vacuum pump provided with rotors
10/06/2004	CN2646423Y Rolling rotary piston gas compressor
10/06/2004	CN2646422Y Compound gear tooth gear pair parallel interlocking tooth mechanism and gas compressor made of same
10/06/2004	CN1534254A 制冷剂循环装置 The refrigerant cycle apparatus
10/06/2004	CN1534219A Compressor bearing and compressor part
10/06/2004	CN1534197A Mixed compressor
10/06/2004	CN1534196A 可变容量旋转压缩机 Variable capacity rotary compressor
10/06/2004	CN1170063C Internally compressed speed-doubling Roots mechanism
09/2004
09/30/2004	WO2004083643A1 Positive-displacement vacuum pump
09/30/2004	WO2004083642A1 Rotary sealed compressor and refrigeration cycle apparatus
09/30/2004	US20040191105 Compressor
09/30/2004	US20040191104 Rotary compressor having a rotor with a sliding vane
09/30/2004	US20040191102 Discharge diffuser for screw compressor
09/30/2004	US20040191100 Compressor
09/30/2004	US20040191083 Electric compressor
09/30/2004	US20040191082 Electric compressor
09/30/2004	US20040187502 Compressor diagnostic system
09/29/2004	EP1462739A2 Refrigerant cycle apparatus
09/29/2004	EP1462738A1 Refrigerator
09/29/2004	EP1462737A2 Refrigerant cycle apparatus
09/29/2004	EP1462656A1 Rotary piston compressor
09/29/2004	EP1462655A1 Power generating device
09/29/2004	EP1462649A2 Compressor bearing and compressor component
09/29/2004	EP1461096A1 Rotating compressor
09/29/2004	EP1309799B1 Screw-type compressor

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