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

Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
11/2007
11/14/2007	EP1727986B1 Gas vane pump and method of operating the pump
11/14/2007	EP1492986B1 Injection of liquid and vapor refrigerant through economizer ports
11/14/2007	CN200975342Y 双缸滚动活塞式汽车空调压缩机 Rolling piston-cylinder car air conditioning compressor
11/14/2007	CN200975341Y Lowness residua oil double screw bolt air compressor
11/14/2007	CN101072951A 压缩机 Compressor
11/14/2007	CN101072950A 旋转式压缩机 Rotary compressor
11/14/2007	CN101072949A Scroll-type apparatus
11/14/2007	CN101072945A 压缩机 Compressor
11/14/2007	CN101070851A Enclosed compressor for refrigeration agent
11/14/2007	CN101070845A Double working-chamber flat-moving rotor type compressor
11/14/2007	CN101070844A 改进的压缩机 Improved compressor
11/14/2007	CN100348928C 制冷剂循环装置 The refrigerant cycle apparatus
11/14/2007	CN100348867C Method and structure for improving efficiency and reliability of vertical vortex compressor
11/14/2007	CN100348837C Volume expander and fluid machine
11/13/2007	US7293970 Two-stage rotary compressor
11/13/2007	US7293969 Tip seal in a scroll fluid machine
11/13/2007	US7293968 Capacity-changing unit of orbiting vane compressor
11/13/2007	US7293966 Variable capacity rotary compressor
11/07/2007	EP1851437A1 Capacity varying type rotary compressor
11/07/2007	EP1851436A1 Vacuum pump
11/07/2007	EP1851435A1 Improved water- injected screw compressor element.
11/07/2007	EP1851434A1 Capacity varying type rotary compressor and refrigeration system having the same
11/07/2007	EP1421282B1 Fluid displacement pump with backpressure stop
11/07/2007	EP1280986B1 Multiple induction energy-driven engine
11/07/2007	CN200971862Y Synchronous rotary compressor
11/07/2007	CN200971861Y Rotor compressor with crank axial thrust structure
11/07/2007	CN101067418A Scroll compressor sealing elements
11/07/2007	CN100347452C Rotary compressor and method for manufacturing same and removal volumetric proportions setting method
11/07/2007	CN100347451C Volume-variable rotary compressor
11/07/2007	CN100347450C Helical lobe compressor for hydrogen water spray cooled
11/07/2007	CN100347449C Scroll fluid machine
11/06/2007	US7290994 Rotary hermetic compressor and refrigeration cycle system
11/06/2007	US7290990 Short reverse rotation of compressor at startup
11/06/2007	US7290989 Compressor protection and diagnostic system
11/01/2007	WO2007123016A1 Scroll-type fluid machine
11/01/2007	WO2007123015A1 Scroll-type fluid machine
11/01/2007	WO2007122432A1 Rotary piston engine
11/01/2007	WO2007122007A1 Rotary pistons machine
10/2007
10/31/2007	EP1850009A2 Sealed-type rotary compressor and refrigerating cycle device
10/31/2007	EP1850008A1 Vane pump
10/31/2007	EP1850007A1 Vane pump
10/31/2007	EP1850006A2 Scroll compressor
10/31/2007	EP1849958A1 Rotary pistons machine
10/31/2007	EP1849818A1 Composition for sliding member, sliding member, and fluid machine
10/31/2007	EP1269024B1 Bacterial growth inhibition in a circulation system comprising a compressor
10/31/2007	CN200968286Y 滚动回转式汽车空调压缩机 Scroll rotary car air conditioning compressor
10/31/2007	CN101065580A Capacity variable type twin rotary compressor and driving method thereof and airconditioner with this and driving method thereof
10/31/2007	CN101063452A Hermetic rotary compressor and refrigeration cycle apparatus
10/31/2007	CN101063450A Compressor with oil bypass
10/31/2007	CN101063449A Scroll compressor
10/31/2007	CN101063448A Crankshaft structure of rotation-type compressor
10/31/2007	CN100346075C Turbination processing method of compressor
10/31/2007	CN100346074C Variable capacity rotary compressor
10/31/2007	CN100346073C Positive displacement device with working unit with inlet and outlet
10/30/2007	US7287423 Method and device for control of the capacity of a compressor
10/25/2007	WO2007120268A2 Driven vane compressor
10/25/2007	WO2007119307A1 Fluid machine
10/25/2007	WO2007118503A1 Rotary pump
10/25/2007	WO2007118502A1 Rotary pump
10/25/2007	WO2007118501A1 Rotary pump
10/25/2007	DE102007013817A1 Abwärmesammelsystem mit Expansionsvorrichtung Waste heat collection system with expansion device
10/24/2007	EP1846642A2 Screw compressor lubrication
10/24/2007	EP1846640A1 Compressor slide valve lubrication
10/24/2007	EP1423587B1 A system for the construction of pumps, compressors, and motor engines
10/24/2007	CN200964949Y Synchronous turning type compressor driving device
10/24/2007	CN200964948Y Cylinder rolling type compressor
10/24/2007	CN200964947Y Frequency conversion screw type refrigeration compressor with wide refrigeration range
10/24/2007	CN200964946Y Integral electric compressor
10/24/2007	CN200964870Y Rotary vane piston
10/24/2007	CN101061318A Magnetic trap for ferrous contaminants in lubricant
10/24/2007	CN100344923C An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
10/24/2007	CN100344881C Noise reducing device for vortex type compressor
10/24/2007	CN100344880C Refrigerating pump
10/24/2007	CN100344879C 涡旋压缩机 Scroll Compressor
10/24/2007	CN100344878C 密闭型电动压缩机 Hermetic compressor
10/23/2007	US7284972 Scroll compressor with stop structure to prevent slider block movement
10/18/2007	WO2007116216A1 Improved vacuum pump
10/18/2007	WO2007115789A1 Compressor assembly comprising a valve unit in the intake region
10/18/2007	WO2007115787A1 Screw compressor comprising a relief valve
10/18/2007	WO2007115782A1 A rotor for a vane pump, made of plastic material reinforced by metallic foil
10/18/2007	WO2007054910A3 Scroll type fluid machinery
10/18/2007	US20070243092 Compressor
10/17/2007	EP1845265A1 Rotary piston machine and bearing arrangement therefor
10/17/2007	EP1845264A1 Fixed scroll positioning device and positioning method
10/17/2007	EP1845263A1 Device and method for positioning fixed scroll
10/17/2007	EP1845261A2 Bearing for refrigerating compressor and refrigerating compressor
10/17/2007	EP1844236A1 A system and a method for capacity control in a screw compressor
10/17/2007	EP1284366B1 Multistage compressor
10/17/2007	CN200961581Y Bolt air compressor lubricating oil injection device
10/17/2007	CN200961580Y Vacuum pump for vehicle
10/17/2007	CN200961579Y Compressor
10/17/2007	CN101054977A Variable capacity rotary compressor and method of varying capacity thereof
10/17/2007	CN101054976A Translational ring rotary compressor
10/17/2007	CN101054975A Rotary piston type compressor
10/17/2007	CN101054972A Axial flow positive displacement worm pump
10/17/2007	CN100343534C Discharged noise eliminating device for vortex compressor
10/17/2007	CN100343533C Exhaust noise reducer of closed rotary compressor
10/17/2007	CN100343530C Closed compressor having a liquid tank
10/17/2007	CN100343529C Vortex compressor
10/17/2007	CN100343527C Vortex compressor with anti-vacuum function

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