Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01C - Rotary-piston or oscillating-piston machines or engines › F01C 1 - Rotary-piston machines or engines
Patents for F01C 1 - Rotary-piston machines or engines (9,235)
06/2012
06/14/2012US20120148433 Floating apparatus for scroll compressors
06/13/2012EP2462318A1 Hydraulic motor or pump
06/13/2012EP2462317A2 Internal combustion engine with eccentric rotating cylinder and pistons.
06/13/2012CN102493848A Vortex disc of vortex expander
06/13/2012CN102493847A Scroll expander generator and Rankine cycle thermoelectric conversion system
06/07/2012US20120141316 Gear root geometry for increased carryover volume
06/06/2012CN102486121A Rotor of internal combustion engine
06/06/2012CN101680298B Rotary engine
06/06/2012CN101454540B Expander and compressor with integrated expander
06/05/2012US8192183 Prismatic pump, especially slurry pump
05/2012
05/31/2012WO2012071538A2 Liquid ring heat engine
05/31/2012WO2012069347A2 Microsystems for compressing or for converting a pressure difference into a displacement
05/31/2012WO2012069198A1 Rotary piston machine, especially rotary engine
05/31/2012WO2012069197A2 Current generating set
05/31/2012WO2012069196A2 Rotary piston machine
05/31/2012WO2012069195A2 Rotary piston machine
05/31/2012WO2012069194A2 Rotary piston machine, especially rotor engine
05/31/2012WO2012037579A3 Rotary air motor housing assembly
05/31/2012WO2011015717A3 Rotating machine having oblique crankshafts
05/31/2012WO2010111557A3 Inverse displacement asymmetric rotary (idar) engine
05/31/2012US20120134867 Dry pump
05/31/2012US20120134866 Screw compressor
05/31/2012US20120134865 rotary mechanism
05/31/2012US20120134864 Compressor
05/31/2012US20120134863 Scroll pump
05/31/2012US20120134862 Scroll pump
05/31/2012US20120134861 Downhole motor or pump components, method of fabrication the same, and downhole motors incorporating the same
05/31/2012US20120134860 "turbomotor" rotary machine with volumetric expansion and variants thereof
05/31/2012US20120132470 Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps
05/31/2012DE102011119081A1 Method for controlling operation of combustion engine for range extender and for power generation device of motor vehicle, involves connecting piston with drive shaft, which is placed in housing
05/31/2012DE102011119080A1 Verfahren zum Steuern des Betriebs einer Rotationskolbenmaschine A method for controlling the operation of a rotary piston machine
05/30/2012EP2458145A1 "turbomotor" rotary machine with volumetric expansion and variants thereof
05/30/2012CN202260348U Energy storage rotary impact ice breaker for power transmission line
05/30/2012CN202250373U Heat recovery blade type rotary engine
05/30/2012CN202250244U Pneumatic motor device
05/30/2012CN202250243U Semi-closed type double-screw expansion machine
05/30/2012CN202250242U Open-type double screw decompressor
05/30/2012CN102483276A 制冷循环装置 The refrigeration cycle apparatus
05/30/2012CN101583777B Expander-integrated compressor
05/30/2012CN101466918B Rotor with cut-outs
05/29/2012US8186982 Adjustable rotary pump with reduced wear
05/24/2012WO2012065319A1 Screw expansion power generation device
05/24/2012US20120128521 Oil pump arrangement in a transmission
05/24/2012DE102010052076A1 Internal combustion engine e.g. petrol engine, utilizes pulverized solid fuel in NSU Wankel rotary piston motor in combination with space sealing with rotation speed
05/23/2012CN202228211U Aviation air injection motor
05/23/2012CN102472106A 涡旋式流体设备 Scroll fluid machine
05/22/2012US8182248 Vane pump with tilting pad radial bearings
05/18/2012WO2012062006A1 Screw rod expansion power generating device
05/17/2012US20120121450 Screw spindle pump arrangement
05/16/2012CN102459814A Rotary machine with roller controlled vanes
05/15/2012US8177535 Method for timing a polymer pump containing polymer
05/15/2012US8177534 Scroll-type fluid displacement apparatus with improved cooling system
05/15/2012US8177533 Scroll expander and refrigeration cycle apparatus
05/10/2012US20120114514 Hydraulic Toothed Wheel Machine
05/09/2012EP2450529A1 Peripheral pump-turbine
05/09/2012EP2449215A1 Rotary device
05/09/2012CN202215351U Oscillating wing type engine
05/09/2012CN202215304U Control valve and clockwise and counterclockwise rotating motor
05/09/2012CN102444471A Gear engine and drive system
05/09/2012CN102444425A Screw expander
05/08/2012US8172559 Horizontal type electric compressor
05/08/2012US8172558 Rotary expander with discharge and introduction passages for working fluid
05/08/2012CA2517318C Rotary piston machine with an oval rotary piston guided in an oval chamber
05/03/2012WO2012057650A1 Rotary vane-type engine
05/03/2012US20120107163 Compressor seal assembly
05/03/2012US20120103301 Rotary valve continuous flow expansible chamber dynamic and positive displacement rotary devices
05/02/2012EP2171212B1 Rotary piston engine
05/02/2012CN102439262A Rotary piston steam engine with balanced rotary variable inlet-cut- off valve and secondary expansion without back-pressure on primary expansion
05/02/2012CN102434236A Threaded rod expansion/centripetal turbine low-parameter waste heat combined generator unit
05/02/2012CN102434214A 4x3-1AlV2x3 pneumatic motor
05/02/2012CN101680300B Refrigeration cycle device and fluid machine used therefor
05/02/2012CN101220754B Generator
05/01/2012US8167595 Inlet screen and scroll compressor incorporating same
05/01/2012CA2574915C A motor driven by pressure medium supplied from an external pressure source
04/2012
04/26/2012WO2012052777A2 Improvements in or relating to screw expanders
04/26/2012WO2012052227A1 Combined engine having an internal combustion engine and an expansion engine which can be driven via a steam-power process
04/26/2012WO2012051710A1 Rotary positive displacement machine
04/26/2012US20120100029 Screw compressor
04/26/2012US20120100028 Screw compressor
04/26/2012US20120100026 Scroll compressor
04/26/2012US20120100025 Multi-stage scroll machine
04/26/2012US20120100024 Scroll compressor with partial unloader for start-up
04/26/2012DE19854155B4 Hydraulische Zahnradmaschine Hydraulic gear machine
04/26/2012DE102010042672A1 Kombinationsmotor mit einem Verbrennungsmotor und einer über einen Dampfkraftprozess antreibbaren Expansionsmaschine Combination motor with an internal combustion engine and a driven via a steam power cycle expansion machine
04/26/2012CA2814396A1 Rotary positive displacement machine
04/25/2012CN1814999B Disc-shape centrifugal-block compression-type IC engine
04/24/2012US8162625 Nested motor, reduction motor reduction gear and pump with selectable mounting options
04/19/2012US20120093673 Six-blade biaxial rotary positive-displacement pump
04/19/2012US20120093671 Compressor
04/17/2012US8157552 Rotary fluid pressure device and improved parking lock assembly therefor
04/17/2012US8156937 Portable ventilator system
04/17/2012CA2528957C Rotary engine system
04/12/2012US20120087821 Pump Assembly, In Particular for Helicopter Lubrication
04/12/2012US20120087819 Rotary compressor
04/11/2012EP2438272A1 Medium transmission unit with circulation blades for the realisation of even medium transmission
04/11/2012CN102410048A 气动工具及该气动工具的气动马达 The air motor pneumatic tools and pneumatic tools
04/10/2012US8152500 Scroll compressor build assembly
04/10/2012US8152499 Eccentric screw pump
04/10/2012US8151759 Orbital engine
04/05/2012WO2011042648A3 Engine having rotary pistons
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