Patents for F01C 1 - Rotary-piston machines or engines (9,235)
07/2008
07/30/2008EP1948905A2 Rotary machine with orbiting twin blades, especially for expansion drive units and compressors
07/30/2008EP1474591B1 Compressed air motor
07/30/2008EP1033474B1 Positive-displacement piston mechanism of rotary piston structure
07/30/2008CN101233307A Internal combustion engine
07/30/2008CN101233297A Improved vane pump
07/24/2008WO2008087958A1 Fluid machine and refrigeration cycle device
07/24/2008WO2008087795A1 Expander-integrated compressor
07/24/2008WO2007087552A3 Positive displacement motor / progressive cavity pump
07/24/2008US20080175739 Supercharger with heat insulated gear case
07/24/2008US20080175725 Rotary Piston Pump
07/24/2008DE102007027950A1 Drehbare Verbrennungskraftmaschine mit externem Verdichter Rotating internal combustion engine with an external compressor
07/24/2008DE102007003031A1 Pneumatic motor, has cylinder defining axial space for receiving rotor, where rotor includes two shafts each extending from end and set of grooves longitudinally defined in periphery, and fin movably disposed in each groove
07/23/2008EP1947292A2 Crankshaft
07/23/2008EP1945952A1 Method of generation of a surgeless flow of the working fluid and a device for its implementation
07/23/2008EP1497537B1 Hydraulic motor
07/23/2008CN100404790C Fluid machine
07/17/2008DE102007022880B3 Rotating piston engine has two piston supports pivoted centrically on axis independent of each other and execute relative motion to each other
07/16/2008CN101223363A Gear pump
07/16/2008CN101220754A Generator
07/16/2008CN100402856C Scroll type hydraulic machine
07/15/2008US7398757 Toroidal engine method and apparatus
07/15/2008CA2475623C Hybrid traction system for vehicles
07/10/2008WO2008080313A1 Top rotating engine
07/10/2008US20080166253 Oilless Screw Compressor
07/10/2008US20080166252 Compressor with discharge muffler
07/09/2008CN100400886C Apparatus for preventing overheating of scroll compressor
07/08/2008US7396220 Progressing cavity stator including at least one cast longitudinal section
07/08/2008CA2511267C Rotary engine with pivoting blades
07/03/2008WO2008079131A1 Screw compressor with integral bearing cover and discharge plenum divider
07/03/2008WO2008077561A1 Fluid motor having improved braking effect
07/03/2008US20080159897 Reciprocating Component-Free Kinematic Motion Apparatus for Transforming Pressure Variations of a Fluid Operating in Cyclically Variable Volume Toroidal Chambers into a Mechanical Work on a Rotary Axis and Engine Including Said Apparatus
07/03/2008US20080159894 Scroll fluid machine
07/03/2008US20080159893 Thermally compensated scroll machine
07/03/2008US20080159892 Scroll type compressor
07/03/2008DE102006041505B4 Anordnung zum Erzeugen von Energie an einer Abtriebswelle nach dem Tornadoprinzip (Tornadoturbine) Arrangement for generating energy to an output shaft after the tornado principle (Tornado turbine)
07/02/2008EP1939547A1 Refrigerating air conditioner
07/02/2008EP1937939A1 Self-aligning rotary piston machine
07/02/2008CN101213352A Orbiting piston machines
07/02/2008CN101210497A Top cycle type engine
07/01/2008US7393695 Using cyclonic fluid flow to increase number of molecular collisions that occurring in fluid and heat of fluid
07/01/2008US7393192 Rotary vane pump
07/01/2008US7393190 Discharge valve system of scroll compressor
06/2008
06/26/2008WO2008074902A1 Eccentric rotary engine
06/26/2008WO2008024505A3 Orbital engine
06/26/2008WO2008014435A3 System and method for maintaining relative axial positioning between two rotating assemlies
06/26/2008US20080152528 Scroll fluid machine
06/26/2008US20080152527 Fixed Scroll Positioning Apparatus and Fixed Scroll Positioning Method
06/26/2008US20080149066 Aspiration plate for planetary rotary internal combustion engine
06/26/2008US20080148731 Heat engines
06/26/2008DE102006061854A1 Fluidmotor mit verbesserter Bremswirkung Fluid motor with improved braking performance
06/26/2008DE102005061286B4 Umlaufkolbenmaschine mit zwei auf einer Achse angeordneten Kolbenträgern Rotary piston machine with two on an axis disposed piston mounts
06/25/2008EP1934443A1 Internal combustion engine
06/25/2008EP1934431A1 Energy transfer machine
06/25/2008CN201078244Y Motor air pump dual-purpose gas energy conversion device and energy saving system using the same
06/24/2008USRE40400 Capacity modulated scroll machine
06/24/2008US7390181 Rotating piston machine
06/24/2008US7390179 Scroll machine having counterweights with changeable cavity
06/24/2008US7389649 Cooling system with variable duty cycle capacity control
06/19/2008WO2008072722A1 Motion conversion device, electric generator, and electric generation device
06/19/2008WO2008072575A1 Freezing apparatus, and expander
06/19/2008WO2008071326A1 Internal combustion engine
06/19/2008US20080145256 Hermetic rotary compressor
06/19/2008US20080145238 Vacuum exhaust apparatus and drive method of vacuum exhaust apparatus
06/19/2008US20080141972 Rotors having flow-modifying members for use in rotary engines
06/19/2008DE10300747B4 Kreiskolben-Brennkraftmaschine mit zwei dreieckförmigen Kreiskolben A rotary piston internal combustion engine with two triangular rotary piston
06/17/2008US7387503 Scroll fluid machine having a fixed scroll with a heat-releasing projection
06/17/2008CA2346488C Rotary pump
06/12/2008WO2008069789A1 Integral slide valve relief valve
06/12/2008US20080138230 Pressure Sealed Tapered Screw Pump/Motor
06/11/2008CN101198766A Balancing plate-shuttle ball
06/11/2008CN101196124A Vane type cavity capability changing device, vane type gas engine and vane compressor
06/11/2008CN100393982C Olive-shaped piston rotary supercharging explosive motor
06/10/2008US7384251 Trochoidal oil pump
06/05/2008US20080131302 Oil-free fluid machine having two or more rotors
06/05/2008DE102006056606A1 Intermittent transmission controlled rotary piston momentum engine system for e.g. internal combustion engine, has piston forming compression for hollow space displacement of flywheels around central shaft
06/04/2008EP1458979B1 Vane of compressor
06/04/2008CN201068807Y Diamond-type rotor engine
06/03/2008US7381038 Capacity-changing unit of orbiting vane compressor
06/03/2008US7381037 Apparatus for varying capacity of scroll compressor
05/2008
05/29/2008WO2008062422A1 Oscillating pistons engine
05/29/2008WO2008061271A1 Method for converting heat energy and rotary vane piston motor
05/28/2008EP1925776A1 Rotary displacement type steam engine
05/28/2008EP1497541B1 Four-stroke rotary internal-combustion engine
05/28/2008CN201065771Y Rotor engine
05/28/2008CN100390376C External combustion rotary piston engine
05/21/2008CN100389264C Screw conveyor for the transport of flowable substances and/or lumps of material
05/20/2008US7374410 Low-pressure type orbiting vane compressor
05/15/2008DE102006051620A1 Rotary piston engine, has operating disk adopting suction and compression with piston surface, and compressed air or mixture led into and ignited in combustion chamber, where compressed air or mixture is pressed over tooth point
05/14/2008EP1921252A1 Paddling blades engine
05/14/2008EP1920140A2 Improvements to wankel and similar rotary engines
05/14/2008CN101178010A Twin-screw motive power machine
05/14/2008CN100387391C Method for machining bearing box and equipment
05/13/2008US7371057 Variable capacity scroll compressor
05/08/2008WO2008020414A3 External heat engine of the rotary vane type
05/08/2008US20080107556 Rotary Compressor
05/08/2008US20080107555 Scroll compressor with vapor injection and unloader port
05/07/2008EP1458954B1 Coaxial energy converter
05/07/2008CN100386501C Rotary positive displacement machine with orbiting piston
05/01/2008US20080101974 Rotary compressor
05/01/2008US20080101973 Scroll fluid machine
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