Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
11/2006
11/29/2006CN1287090C Horizontal eddy compressor
11/29/2006CN1287087C Closed compressor
11/29/2006CN1286674C Motor-vehicle air conditioner using mixed compressor
11/28/2006US7142930 Disturbance estimated type control system, gas compressor control system and method of designing a disturbance estimated type control system
11/28/2006US7140852 Scroll compressor having an oil reservoir surrounding the discharge chamber and an oil separator in the rear housing
11/28/2006US7140851 Axial compliance mechanism of scroll compressor
11/28/2006US7140846 Vacuum pump having main and sub pumps
11/28/2006US7140844 Variable capacity rotary compressor
11/23/2006WO2006123519A1 Rotary compressor
11/23/2006WO2006123502A1 Vane for rotary compressor and method of manufacturing the same
11/23/2006WO2006122516A1 Vane-cell pump
11/23/2006WO2005067519A3 Scroll compressor with wrap walls provided with an abradable coating and a load-bearing surface at radially outer locations
11/23/2006US20060263227 Electric compressor
11/23/2006US20060263226 Oil retention in scroll compressor pump members
11/23/2006US20060263225 Scroll compressor
11/23/2006DE10250838B4 Abgasenergierückgewinnungssystem für eine Brennkraftmaschine Exhaust gas energy recovery system for an internal combustion engine
11/22/2006EP1724468A2 Two speed scroll compressor
11/22/2006EP1724135A2 Compressor and method of manufacturing the same
11/22/2006EP1366296B1 Screw vacuum pump comprising additional flow bodies
11/22/2006EP1366294B1 Rotary positive displacement machine
11/22/2006CN2839651Y Rotary-vane oil-saving vacuum pump
11/22/2006CN2839650Y Multi-cylinder oscillating plate rolling ring type compressor
11/22/2006CN1867775A 螺杆式压缩机 Screw compressors
11/22/2006CN1865706A Open drive scroll machine
11/22/2006CN1865705A 涡旋式压缩机 Scroll compressor
11/22/2006CN1865663A Sensor for hermetic machine
11/22/2006CN1285861C Air conditioner and method of controlling the same
11/21/2006US7137797 Turntable with gerotor
11/21/2006US7137796 Scroll compressor
11/16/2006US20060257277 Rotary piston machine
11/16/2006US20060257272 Compressor
11/16/2006DE102005022470A1 Rotorpaar für Schraubenverdichter Pair of rotors for screw compressors
11/15/2006EP1722105A2 Multi-rotor screw compressor
11/15/2006EP1722104A2 Rotors for a screw compressor
11/15/2006EP1721079A1 System and method for variable speed operation of a screw compressor
11/15/2006EP1287298B1 Control system of degree of superheat of air conditioner and control method thereof
11/15/2006CN2837560Y Intake loss decreasing structure of rotary compressor
11/15/2006CN2837559Y Single-stage rotary vane type vacuum pump
11/15/2006CN2837558Y Constant-length dual-slider rotary automobile air conditioner compressor
11/15/2006CN1862144A Oil free screw expander-compressor
11/15/2006CN1862021A Structure of gas-liquid separator with rotary dual cylinder compressor
11/15/2006CN1861996A Engine with quadrangle rotor
11/14/2006US7134856 Compressed air motor
11/14/2006US7134854 Oil recycling apparatus for compressor
11/14/2006US7134853 Scroll compressor having a flow rate controlling member inserted into a high pressure fluid introducing passageway
11/14/2006US7134852 Seal member for vortex compressor
11/14/2006US7134845 Variable capacity rotary compressor
11/14/2006US7134381 Refrigerant compressor and friction control process therefor
11/09/2006WO2006117940A1 Rotary fluid machine
11/09/2006WO2006117503A1 Pumping system and method of operation
11/09/2006US20060251534 Discharge diffuser for screw compressor
11/08/2006EP1719913A2 Horizontal scroll compressor
11/08/2006EP1719912A2 Rotating scroll compressor
11/08/2006EP1718844A2 Improvements in spherical fluid machines
11/08/2006CN1283926C Gas compressor
11/08/2006CN1283925C Air compression system and casting gas/oil separating case used for such system
11/08/2006CN1283923C Double volume ratio whiral machinery
11/07/2006US7131827 Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle
11/07/2006US7131821 Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method
11/02/2006US20060245968 Seal member for scroll compressors
11/02/2006US20060245967 Suction baffle for scroll compressors
11/02/2006US20060245966 Rotor pump
11/02/2006US20060243520 Screw compressor with an acoustic wave damping device
11/02/2006EP1717448A2 Rotary vane compressor
11/02/2006EP1717447A2 Rotary vane compressor
11/02/2006EP1717413A1 Brayton cycle device and exhaust heat energy recovery device for internal combustion engine
11/02/2006CA2544112A1 Suction baffle for scroll compressors
11/01/2006CN2833180Y Tooth number unequal screw tooth profile of dual-screw pump
11/01/2006CN2833179Y Tooth number unequal screw tooth profile of three-screw pump
11/01/2006CN2833178Y Dual-cavity sliding vane type compressor
11/01/2006CN1854525A 涡旋机 The scroll machine
10/2006
10/31/2006US7128543 Compressor machine with two counter-rotating rotors
10/31/2006US7128540 Refrigeration system having a rotary compressor
10/31/2006US7128528 Bearings for CO2 refrigerant compressor use, compressor using the same, and applications of the same
10/31/2006US7128045 Combustion engine
10/26/2006WO2006113746A2 High-torque switched reluctance motor
10/26/2006WO2006112268A1 Scroll fluid machine
10/26/2006WO2006112262A1 Scroll fluid machine
10/26/2006WO2006112100A1 Compressor
10/26/2006WO2006111993A1 Vane pump for a motor vehicles engine and vane for such pump
10/26/2006WO2005081913A3 Improvements in spherical fluid machines
10/26/2006US20060239849 Gerotor apparatus for a quasi-isothermal Brayton cycle engine
10/26/2006DE102005005347A1 Screw-type rotary compressor has large rotor intermeshing with secondary smaller rotor with convex peak interface profiles
10/26/2006DE102004060417B4 Kompakter Schraubenkompressor zum mobilen Einsatz in einem Fahrzeug Compact screw compressor for mobile use in a vehicle
10/25/2006EP1715238A2 Double throat pulsation dampener for a compressor
10/25/2006EP1715187A2 Discharge valve for a scroll machine
10/25/2006EP0834018B2 Method for Cooling a Multistage Screw-Spindle Compressor
10/25/2006CN2830716Y 罗茨鼓风机 Roots Blower
10/25/2006CN2830715Y Shaft bounce damper of roll compressor
10/25/2006CN2830714Y Large Roots blower
10/25/2006CN2830713Y 大型罗茨鼓风机 Large blower
10/25/2006CN1851272A Vehicular constant-pressure fully-closed vortex compressor
10/25/2006CN1281868C Vortex compressor
10/24/2006US7124585 Scroll-type expander having heating structure and scroll-type heat exchange system employing the expander
10/19/2006WO2006109511A1 Composition for sliding member, sliding member, and fluid machine
10/19/2006US20060233657 Scroll machine
10/19/2006US20060233656 Scroll fluid machine
10/19/2006US20060233655 Scroll machine with axially compliant mounting
10/19/2006US20060233654 Compressor with radial compliance mechanism
10/18/2006EP1712797A2 Vacuum pump rotor