Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
05/2007
05/22/2007US7220108 Variable capacity rotary compressor
05/18/2007WO2007054163A1 Vacuum pump
05/18/2007WO2007054162A1 Rotor pump
05/18/2007WO2007054155A1 Vacuum pump
05/18/2007WO2007054057A1 Pump with a cylindrical cooling bush
05/18/2007WO2007054055A1 Pump, particularly a van-cell vacuum pump
05/17/2007US20070110605 Scroll compressor
05/17/2007US20070110604 Scroll machine
05/16/2007EP1785639A1 Method and apparatus for machining bearing housing
05/16/2007EP1785629A2 Rotary compressor
05/16/2007EP1784576A1 Cooling of pump rotors
05/16/2007EP1784563A2 Concentric internal combustion rotary engine
05/16/2007DE202005021169U1 Vakuum-Anlage Vacuum system
05/16/2007CN2900868Y Improved structure of vacuum pump rotor
05/16/2007CN2900867Y Lu's blower and rotor structure of Lu's vacuum pump
05/16/2007CN2900866Y No-oil vortex air conditioner compressor
05/16/2007CN1963228A Suction device for scroll compressor
05/16/2007CN1963224A 旋转式压缩机 Rotary compressor
05/16/2007CN1963223A Method for making compression components for rotating blade type compressor
05/16/2007CN1963220A Compression device for scroll compressor with expansion and suction passage
05/16/2007CN1963219A Compression device for rotating blade type compressor
05/16/2007CN1963218A Bearing structure of rolling piston compressor
05/16/2007CN1963216A Volume variable rotating blade type compressor
05/16/2007CN1963214A Volume varying device for rotating blade type compressor
05/16/2007CN1963212A Rotation radius varying device for rotating blade of rotating compressor
05/16/2007CN1963211A Rotating blade compressor with circumferential sealing structure
05/16/2007CN1963210A Two-stage compression type rotating blade compressor
05/16/2007CN1963209A Vane self-rotating type compressor
05/16/2007CN1963208A Low-residual-oil double-screw air compressor
05/16/2007CN1963207A Vortex type compressor
05/16/2007CN1963206A Vortex type compressor
05/16/2007CN1963205A Vortex fluid machinery
05/16/2007CN1963204A Rotating blade end of rotating blade type compressor and design method thereof
05/16/2007CN1316212C Refrigerant circulation device
05/16/2007CN1316163C Sliding material and oiling-free vortex compressor
05/15/2007US7217110 Compact rotary compressor with carbon dioxide as working fluid
05/15/2007US7217109 Scroll type hydraulic machine
05/10/2007WO2007052332A1 Liquid injection type screw compressor
05/10/2007US20070104604 Scoll fluid machine
05/10/2007US20070104603 Scroll and manufacture method therefor
05/10/2007US20070104602 Scroll fluid machine
05/10/2007US20070104587 Evacuation apparatus
05/10/2007DE10256555B4 Auslaßventil für einen Spiralverdichter Outlet for a scroll compressor
05/10/2007DE102005052096A1 Compressor for internal combustion engine of motor vehicle, has drivable input shaft, and compressor housing part that comprises aligning unit adjacent to intermediate rotor shaft in assembly condition
05/09/2007EP1783372A2 Scroll fluid machine
05/09/2007CN2898385Y Non-dielectric zinc chrominum salt coated pump body and cap
05/09/2007CN2898374Y Air-inlet valve of screw air compressor
05/09/2007CN2898372Y Rotor compressor
05/09/2007CN2898371Y 真空泵 Vacuum pump
05/09/2007CN2898370Y Constant-pressure closed vortex compressor of automobile
05/09/2007CN2898369Y Convenient cable-pipe air-charger
05/09/2007CN1961154A Rotary fluid machine
05/09/2007CN1961153A Screw rotor and screw type fluid machine
05/09/2007CN1959117A 真空泵 Vacuum pump
05/09/2007CN1314899C Swirl compressor
05/08/2007US7214044 Compressor having an oil passage which one end is connected to oil collecting groove and other end is opened to cover end surface of bearing
05/08/2007US7214043 Scroll type hydraulic machine
05/08/2007US7214042 Progressing cavity pump with dual material stator
05/08/2007US7214041 Seal assemblies
05/08/2007US7214036 Screw type vacuum pump
05/03/2007WO2007050292A1 Scroll compressor
05/03/2007US20070098584 Compact fluid pump having a simplified structure
05/03/2007DE102005052623A1 Compressor has roller holder that swivels around housing axle where bars lie in level perpendicular to housing axle on circle and form equilateral polygon
05/02/2007EP1780417A1 Screw vacuum pump
05/02/2007EP1780416A1 Lubricant supply system and operating method of multisystem lubrication screw compressor
05/02/2007CN2895806Y Compressor structure of vehicle gas-horn
05/02/2007CN1957181A 旋转式压缩机 Rotary compressor
05/02/2007CN1955483A Compressor back plat of ceramic material
05/02/2007CN1955482A Connection structure of bearing on rotary compressor
05/02/2007CN1955481A Variable capacity vortex compressor
05/02/2007CN1955478A Variable capacity twin rotary compressor and its running method
05/02/2007CN1955477A 多级旋转压缩机 Multi-stage rotary compressor
05/02/2007CN1955472A Friction reducing structure of blade rotary compressor
05/02/2007CN1955471A 旋转式压缩机 Rotary compressor
04/2007
04/26/2007WO2007047876A1 Horizontal scroll compressor
04/26/2007WO2007046457A1 Rotary compressor
04/26/2007US20070092393 Gas release port for oil-free screw compressor
04/26/2007US20070092391 Horizontal scroll compressor
04/26/2007US20070092390 Scroll compressor
04/26/2007DE102006035364A1 Variable-revs compressor for gas has several planetary transmission mechanisms alongside each other
04/25/2007EP1777413A2 Two-stage rotary compressor
04/25/2007EP1777041A1 Pneumatic tool
04/25/2007CN2893230Y Rolling piston multilayer sliding sheets compressor
04/25/2007CN1954150A Vane rotary type air pump
04/25/2007CN1952813A An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
04/25/2007CN1952403A Compressor pump and casing connecting structure
04/25/2007CN1952402A Compressor pump and casing connecting structure
04/25/2007CN1952401A Compressor pump coupling method
04/25/2007CN1952399A Main bearing of compressor and its linking method
04/25/2007CN1952397A Rotation-type compressor
04/25/2007CN1952396A Double stage screw rod compressor and double stage compressing refrigerator using same
04/25/2007CN1952395A Scroll compressor and refrigerating system using ammonia
04/25/2007CN1312407C Sealing container of closed rotary compressor
04/25/2007CN1312406C Whirlpool compressor
04/25/2007CN1312404C Lower cover connecting structure of closed rotary compressor
04/25/2007CN1312403C Rotor outline for screw bolt type compressor
04/25/2007CN1312402C Screw compressor
04/24/2007US7207788 Lubrication features for a scroll fluid machine
04/24/2007US7207787 Scroll compressor with backflow-proof mechanism
04/24/2007US7207782 Vacuum pump
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