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 18 - Rotary-piston pumps specially adapted for elastic fluids
Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
09/2000
09/14/2000WO2000053926A1 Rotary fluid machinery, vane fluid machinery, and waste heat recovery device of internal combustion engine
09/14/2000DE19916768A1 Vorrichtung und Verfahren zur Regelung eines Kompressors durch Drosselung des Ansaugvolumenstroms Apparatus and method for control of a compressor by throttling the intake volume flow
09/14/2000DE19911454A1 Trockenverdichtende Orbitspindelpumpe Dry-orbit spindle pump
09/14/2000DE10010566A1 Compressor with high precision valve unit for compression of gases has gas passage with valve seat element, and valve chamber with valve body and valve stop
09/14/2000DE10009673A1 Spiral compressor for air conditioner system in motor vehicles has housing with fixed and rotating spiral parts defining compressor pocket
09/14/2000CA2475114A1 Rotary type fluid machine, vane type fluid machine, and waste heat recovering device for internal combustion engine
09/14/2000CA2365353A1 Vane and piston type rotary machines
09/13/2000EP1034374A1 Rotary piston pump and method of operation
09/12/2000US6116879 Fluid machine
09/12/2000US6116877 Gear pump for use in an electrically-operated sealed compressor
09/12/2000US6116876 Scroll type compressor having an abrasion-resistant means between a crank pin and a movable scroll in an axial direction
09/12/2000US6116875 Displacement machine for compressible media
09/12/2000US6116867 Scroll machine with capacity modulation
09/12/2000US6116860 Scroll compressor
09/08/2000WO2000052337A1 Device and method for regulating a compressor by throttling the suction volumetric flow
09/08/2000WO2000006955A3 Vapor-compression evaporative air conditioning system
09/06/2000EP1033474A1 Positive-displacement piston mechanism of rotary piston structure
09/06/2000CN2395060Y Roller type compressor
09/06/2000CN1056215C Sectional front-end sealing device for volume type vortex fluid compression device
09/06/2000CN1056214C Volume-type vortex fluid compresing unit
09/05/2000US6113373 Scroll compressor having an annular seal for a stationary scroll pressure receiving surface
09/05/2000US6113372 Scroll compressor with discharge chamber groove
09/05/2000CA2300039A1 Compressor having a valve mechanism of relatively high accuracy
08/2000
08/30/2000CN2394029Y Slide vacuum-pressure composite air pump
08/30/2000CN1264793A Rotary compressor
08/30/2000CN1055988C 涡旋式机械 Scroll machine
08/29/2000US6109901 Vane-type rotary compressor having a bypass passage defined in a front cover
08/29/2000US6109899 Cantilever mount orbiting scroll with shaft adjustment
08/29/2000US6109897 Scroll fluid machine having a cooling passage inside the drive shaft
08/24/2000WO2000049295A1 Rotary vane compressor
08/23/2000EP1029256A1 Electrochromic system
08/23/2000EP1029179A1 Hermetic scroll compressor
08/23/2000CN1264454A Rotary pump with hydraulic vane actuation
08/22/2000US6106258 High-pressure dome type compressor capable of preventing oil discharge due to gas and of cooling oil by discharge gas
08/22/2000US6106254 Closed-type scroll compressor
08/22/2000US6106253 Scroll type compressor for gas-injection type refrigerating cycle
08/22/2000US6106252 Scroll compressor
08/22/2000US6106251 Scroll machine with reverse rotation sound attenuation
08/22/2000US6106242 Hermetic rotary compressor with resonance chamber
08/22/2000US6106241 Single screw compressor with liquid lock preventing slide
08/17/2000WO2000047897A1 Twin delivery screws provided for installation in positive-displacement machines, especially pumps
08/17/2000CA2362075A1 Twin delivery screws provided for installation in positive-displacement machines, especially pumps
08/16/2000CN1263585A Scroll fluid machinery
08/16/2000CN1263212A Variable side gap for vortex twisted blade
08/16/2000CN1055527C Sealed compressor
08/15/2000US6102683 Compressor installation having water injection and a water treatment device
08/15/2000US6102682 Slidable discharge valve in a hermetic rotary compressor
08/15/2000US6102677 Hermetic compressor
08/15/2000US6102671 Scroll compressor
08/10/2000WO2000046502A2 Coalescing device and method for removing particles from a rotary gas compressor
08/09/2000EP1026403A2 Gas compressor with oil separator
08/09/2000EP1026402A2 Scroll-type compressor
08/09/2000EP1026399A1 Twin feed screw
08/09/2000EP1025403A1 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
08/09/2000EP1025341A1 Scroll-type fluid displacement device having flow diverter, multiple tip seal and semi-radial compliant mechanism
08/09/2000EP0771404A4 Refrigeration system and pump therefor
08/09/2000CN2391032Y Low pulsating rotary pump
08/09/2000CN1262720A Fluid pump
08/09/2000CN1262392A Compressor with hinged arc blades and rolling rotor
08/09/2000CN1262391A 十字节型活塞泵 Ten bytes piston pump
08/08/2000US6099279 Displacement fluid machine
08/08/2000US6099278 Cantilever mount orbiting scroll with shaft adjustment
08/08/2000US6099277 Gas blower and method utilizing recirculation openings
08/08/2000US6098266 Method for the production of rotors for screw-type compressors
08/02/2000EP1024289A2 Scroll-type compressor
08/02/2000EP1024288A1 Variable flank relief for scroll wraps
08/02/2000EP1023538A1 Spiral vacuum pump
08/02/2000CN1261946A Single-source gas actuation for screw compressor slide valve assembly
08/01/2000US6095780 Device for sealing a rotor shaft and screw-type compressor provided with such a device
08/01/2000US6095765 Combined pressure ratio and pressure differential relief valve
08/01/2000US6095764 Reverse rotation protection for a scroll compressor using a valve means
08/01/2000US6094815 Method of manufacturing rotor for a vane compressor
07/2000
07/27/2000DE19901721A1 Discharge pressure control procedure for screw compressor used to compress fuel gas supplied to gas turbine
07/26/2000EP1021702A1 Multi-lobe pump for particle counters
07/26/2000EP1021654A1 Screw vacuum pump provided with rotors
07/26/2000EP1021653A1 Cooled screw vacuum pump
07/26/2000CN1261130A Compressor
07/25/2000US6093008 Worm-drive compressor
07/25/2000US6093007 Multi-rotor helical-screw compressor with thrust balance device
07/25/2000US6093005 Scroll-type fluid displacement machine
07/25/2000CA2132172C Control valve for variable capacity vane compressor
07/20/2000WO2000042322A1 Screw compressor
07/20/2000WO1999025954A9 Positive-displacement piston mechanism of rotary piston structure
07/20/2000DE10000755A1 Slider vacuum pump for vehicle power brake systems has pressure reducing device in displacement chamber to prevent pressure rise and resulting break of slider when rotary shaft rotates in direction opposite from normal
07/20/2000CA2352742A1 Screw compressor
07/19/2000EP1020645A1 Multi-stage Roots pump and method of producing the housing
07/19/2000EP1019633A1 Screw-type compressor
07/19/2000CN2388375Y Gear-type water sprayer and water supply pump for orchard
07/19/2000CN1260447A Exhausting silencing apparatus for air-tight rotary compressor
07/18/2000US6089839 Optimized location for scroll compressor economizer injection ports
07/18/2000US6089834 Helical compressor and method of assembling the same
07/13/2000DE19959417A1 Spiralkompressor Scroll compressor
07/12/2000EP1017927A1 Generalized minimum diameter scroll component
07/12/2000CN2387285Y Serv ring hinged blade rolling rotor compressor
07/12/2000CN1259625A Scroll compressor
07/11/2000US6086341 Rotary scroll for scroll compressor and method of manufacture therefor
07/11/2000US6086335 Capacity modulated scroll machine having one or more pin members movably disposed for restricting the radius of the orbiting scroll member
07/05/2000EP1014946A1 Sustained-release liposomal anesthetic compositions
07/05/2000EP0766790B1 Rotary displacement compressor with liquid circulation system
07/05/2000CN1054184C Vortex compressor
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