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)
11/2012
11/07/2012CN102767396A 气动马达 Qidongmada
11/06/2012US8303279 Injection tubes for injection of fluid into a scroll compressor
11/06/2012US8303278 Scroll compressor utilizing liquid or vapor injection
10/2012
10/31/2012CN202510167U Star-shaped aerodynamic engine assembly
10/30/2012US8297279 Portable ventilator system
10/30/2012US8297253 Rotary piston engine
10/30/2012US8297252 Rotary one cycle internal combustion engine
10/26/2012WO2012144308A1 Screw expander
10/25/2012US20120269669 Rotors formed using involute curves
10/25/2012US20120269668 Polymeric External Gear Pump for Hot Cooking Oil
10/24/2012EP2514932A1 Screw expander system
10/24/2012EP2513424A2 A rotary device and a method of designing and making a rotary device
10/24/2012CN102748278A Vane pump/motor
10/24/2012CN102748078A Magnetic force type self-sealing blade pneumatic motor
10/18/2012WO2012071538A4 Liquid ring heat engine
10/18/2012US20120263618 Bi-Metal Pump Gear
10/17/2012EP2511530A2 Gear pump
10/17/2012EP2511473A2 Rotary internal combustion engine
10/17/2012EP2510193A2 Rotary engine
10/17/2012CN102733873A 发电系统 Power generation systems
10/17/2012CN101975094B Liquid pump of screw expander
10/16/2012US8287259 Oil-cooled type screw compressor
10/16/2012US8287248 Compressor
10/16/2012US8286609 Rotary energy converter with retractable barrier
10/11/2012WO2012138237A1 Impact energy conversion device
10/11/2012US20120258006 External Gear Pump for Hot Cooking Oil
10/11/2012US20120258005 Single-screw compressor
10/11/2012US20120258003 Scroll compressor with spring to assist in holding scroll wraps in contact
10/09/2012US8282370 Stepped scroll compressor with changing step mesh gaps
10/09/2012US8281676 Transmission utilizing hypocycloid motion
10/04/2012WO2012130925A2 Rotary piston engine
10/04/2012US20120251374 Multiple rotor fluid transfer engine
10/04/2012US20120251373 Gas Flow Separator with a Thermal Bridge De-Icer
10/04/2012US20120251372 Screw compressor
10/04/2012US20120251335 Pump controller with multiphase measurement
10/04/2012US20120247139 Screw Compressor and Chiller Unit Using Same
10/03/2012CN102713156A Positive displacement expander and refrigeration cycle device using the positive displacement expander
10/03/2012CN102713155A Universal rotary piston compressor
10/03/2012CN102705015A Disc-shaped vortex air energy generator
10/03/2012CN102705014A Disc-shaped vortex type air energy generator
10/02/2012US8276395 Pulse width modulation with reduced suction pressure to improve efficiency
09/2012
09/27/2012WO2012128640A1 A rolling self-sealing vane for a rotary pump or engine.
09/27/2012WO2012128267A1 3-stroke/6-stroke rocket jet engine
09/27/2012WO2011098835A3 Lubrication of screw machines
09/27/2012US20120244028 Internal Gear Pump for a Hydraulic Vehicle Braking System
09/27/2012US20120244027 Pump device
09/27/2012US20120244026 Counterweight incorporated into slider block for scroll compressor
09/27/2012DE102011014861A1 Rotary piston engine has cooling circuit for cooling rotor provided in working space such that cooling air is supplied to rotor from closed cooling circuit through air supply line
09/26/2012CN102691572A Rotary combustion engine
09/25/2012CA2702731C Rotary internal combustion engine
09/20/2012WO2012056470A4 Rotary three dimensional variable volume machine
09/20/2012US20120237383 Hydraulic motor or pump with tangential pistons with annular or sectional shape on ordinary or planetary gear for high torque, and power performance and hydraulic and mechanical efficiency
09/20/2012US20120237382 Screw expander system
09/20/2012US20120237381 Scroll-type compressor for vehicle
09/20/2012US20120237380 Downhole Backspin Retarder for Progressive Cavity Pump
09/19/2012CN102678208A Rankine cycle apparatus
09/19/2012CN102678182A Star-spinning type rotation device with double sun wheels, engine and fluid machine
09/19/2012CN102678181A Rotor molded line for double-screw expansion machine
09/19/2012CN101892865B Control method and control device of triangular flash evaporation circulating power generation system
09/18/2012US8267678 Vane type vacuum pump
09/13/2012WO2012122321A2 Bearing / gearing section for a pdm rotor / stator
09/13/2012WO2012120285A2 Rotary engine rotor
09/13/2012WO2012071538A3 Liquid ring heat engine
09/13/2012US20120230858 Screw pump
09/13/2012US20120230857 Water injection type screw fluid machine
09/13/2012US20120230855 Scroll compressor
09/13/2012US20120230854 Scroll Compressor
09/13/2012US20120230853 Scroll Compressor
09/13/2012US20120227437 Stationary volume ratio adjustment mechanism
09/12/2012EP2497902A1 Rotary Engine Rotor
09/12/2012CN102667061A Internal combustion engine and supercharger
09/11/2012US8262377 Injection molded scroll form
09/07/2012WO2012118456A1 Rotary vane machine provided with a non- cylindrical shaped working chamber
09/07/2012WO2011051710A3 Engine and positive displacement machine with rotary piston
09/06/2012US20120224991 Positive displacement fluid pump
09/05/2012EP2495396A1 Pivothing hinged arc vane rotary compressor or expander
09/05/2012CN202417607U 气动马达 Qidongmada
09/05/2012CN202417606U Energy storage and power generation system of reversible single-screw compression expansion machine
09/04/2012US8257072 Vane compressor with improved vanes
09/04/2012US8256403 Engine and supercharger
08/2012
08/30/2012US20120219448 Adjustable rotary pump with reduced wear
08/30/2012US20120219442 Pump device for ice cream or yogurt machine
08/30/2012DE102011011404B4 Zweiflutige Schraubspindelmaschine Double-flow Schraubspindelmaschine
08/29/2012CN102011716B Multi-energies hybrid power generating system
08/29/2012CN101970800B A dual-rotor engine
08/28/2012US8251684 Trochoid pump providing axial regulation of a driving shaft
08/23/2012US20120213656 Axial piston hydraulic rotating machine
08/23/2012DE102011011384A1 Hand machine tool, particularly grinding machine, polishing machine or screwing tool, has pneumatic multi-disk motor that has stator housing, which has rotor chamber
08/23/2012DE102011011382A1 Hand-Werkzeugmaschine mit einem Lamellenmotor und einem Lagerdeckel Hand tool with a vane motor and a bearing cover
08/22/2012EP2489833A2 Double-flow screw spindle machine
08/22/2012EP2489832A2 Manually operated machine tool with a vane motor and a bearing cap
08/22/2012CN202391502U Screw expansion/centripetal turbine low-parameter waste-heat combined generator set
08/22/2012CN102644588A Fluid pressure and mechanical energy converter
08/22/2012CN101240799B Scroll machine
08/21/2012US8246333 Rotor profile for a screw compressor
08/21/2012US8246331 Scroll fluid machine with a pin shaft and groove for restricting rotation
08/16/2012WO2012108951A1 Rotary engine
08/16/2012WO2012107593A2 Driving device
08/16/2012WO2012056470A3 Rotary three dimensional variable volume machine
08/16/2012US20120207638 Rotary piston pump
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