| Patents for F01C 1 - Rotary-piston machines or engines (9,235) |
|---|
| 06/11/2009 | WO2009072994A1 Volume expansion rotary piston machine |
| 06/11/2009 | WO2002061283A3 Scroll vacuum pump with improved performance |
| 06/11/2009 | US20090148333 Gear pump cavitation reduction |
| 06/11/2009 | US20090148332 Compressor Unloading Valve |
| 06/11/2009 | US20090148331 Roots type gear compressor with helical lobes having feedback cavity |
| 06/11/2009 | US20090148330 Optimized Helix Angle Rotors For Roots-Style Supercharger |
| 06/11/2009 | US20090148327 Rotary postive displacement combustor engine |
| 06/11/2009 | US20090148326 Scroll compressor |
| 06/11/2009 | US20090148323 Rotary Machine and Combustion Engine |
| 06/10/2009 | EP2067997A1 Fluid machine |
| 06/10/2009 | EP2067928A1 Scroll expander |
| 06/10/2009 | CN201255007Y Improved pneumatic tool motor |
| 06/04/2009 | US20090142213 Roots-type blower reduced acoustic signature method and apparatus |
| 06/04/2009 | US20090142211 Rotary steam engine |
| 06/04/2009 | DE102008058929A1 Steuerkettenantriebsvorrichtung Timing chain drive unit |
| 06/03/2009 | EP2065560A2 Internal combustion engine |
| 06/03/2009 | CN100494686C Rotary fluid machine |
| 06/03/2009 | CN100494639C Fluid machine |
| 06/02/2009 | US7540728 Method of transforming a motion in a volume screw machine of rotary type and rotary screw machine |
| 06/02/2009 | CA2496951C Compact rotary compressor with carbon dioxide as working fluid |
| 05/28/2009 | WO2009066410A1 Compressor integral with expander |
| 05/28/2009 | WO2009040588A3 Heterocentric distributive oscillating transmission mechanism and toroidal hermetic rotary engine as its application |
| 05/28/2009 | WO2009012606A3 Displacement machine according to the spiral principle, comprising a bearing assembly on both sides |
| 05/28/2009 | US20090136372 Open drive scroll compressor with lubrication system |
| 05/27/2009 | EP2061952A1 Volumetric machine comprising a toroidal chamber, divided into variable-volume sections by one or more separation valves, in which at least one toroidal- sector piston slides |
| 05/27/2009 | CN201246187Y Valve swinging rotary cylinder type positive-displacement mechanism and rotary engine thereof |
| 05/26/2009 | US7537441 Gear pump and liquid injection apparatus |
| 05/21/2009 | US20090129959 Balance shaft module equipped with oil pump |
| 05/20/2009 | EP2060739A1 Multi-stage rotary fluid machine and refrigeration cycle device |
| 05/20/2009 | EP2060738A1 Oil pump resonator |
| 05/20/2009 | DE102007042460B3 Rotary piston thermal engine device has unit with two pistons supported with each other in cylinder in pivoting manner and cooling unit is designed to liquefy fuel gas operated on piston of unit |
| 05/14/2009 | US20090123316 Gear pump |
| 05/14/2009 | US20090123315 Scroll Compressor |
| 05/14/2009 | DE102007019985A1 Driving and working machine has rotary piston, which is connected with shaft and is movable on circular path in annular hollow space enclosed between stator and shaft |
| 05/13/2009 | EP2058519A1 Rotary expanding or compressing mechanism provided in fluid channel with blades for traversing shaft |
| 05/13/2009 | EP1366275B1 Rotary combustion engine |
| 05/13/2009 | CN100487227C T type rotation stopping mechanism |
| 05/12/2009 | US7530801 Bi-directional disc-valve motor and improved valve-seating mechanism therefor |
| 05/07/2009 | US20090116989 Oil pump rotor |
| 05/07/2009 | US20090116988 Scroll-Type Fluid Machine |
| 05/07/2009 | DE10319895B4 Rotationsschwenkkolbenmotor Rotary oscillating piston engine |
| 05/06/2009 | EP2054584A2 Orbital engine |
| 05/06/2009 | CN100485177C Split rotory piston IC engine |
| 05/06/2009 | CN100485176C Rotating spherical engine |
| 05/06/2009 | CN100485175C Method and apparatus for designing shear-type rotary engine |
| 05/06/2009 | CN100485165C Scroll machine with stepped guide sleeve |
| 05/06/2009 | CN100485164C Top cycle type engine |
| 05/05/2009 | US7527484 Muffler of scroll compressor |
| 05/05/2009 | US7527053 Method and apparatus for attenuating compressor noise |
| 04/30/2009 | WO2009054285A1 Screw fluid machine |
| 04/30/2009 | US20090110581 Scroll Compressor For Carbon Dioxide Refrigerant |
| 04/30/2009 | US20090110580 Scroll type fluid machine |
| 04/30/2009 | DE102007050972A1 Gas-operated rotary vane motor i.e. compressed air motor, for seat-belt tightener, has control valve movable into open position for defining maximum exhaust cross section by pressure developed in starting phase against counteracting force |
| 04/29/2009 | EP2052131A1 A rotary machine having frusto-conical elements |
| 04/29/2009 | EP1846640A4 Compressor slide valve lubrication |
| 04/29/2009 | EP1723310B1 Method and means for controlling a flow through an expander |
| 04/23/2009 | WO2009052105A1 Sliding vane pump |
| 04/23/2009 | WO2009050126A1 Scroll device for compression or expansion |
| 04/23/2009 | WO2009049386A1 Rotary internal combustion engine |
| 04/23/2009 | US20090104061 Tipseal for a scroll compressor |
| 04/22/2009 | CN101415906A Scroll compressor discharge port improvements |
| 04/22/2009 | CN100480488C Kneading positive-displacement method of fluid machinery and mechanism and purpose thereof |
| 04/21/2009 | US7520738 Closed system rotary machine |
| 04/16/2009 | WO2009048447A1 Slide valve system for a screw compressor |
| 04/16/2009 | WO2009048446A1 Slide valve system for a screw compressor |
| 04/16/2009 | WO2006107828A3 Toroidal intersecting vane gas management system |
| 04/16/2009 | WO2006086009A3 Rotary opposed piston engine |
| 04/16/2009 | US20090098003 Multiphase screw pump |
| 04/16/2009 | US20090098000 Scroll compressor with scroll deflection compensation |
| 04/15/2009 | EP2003288A9 Guide system for the oscillating pistons of rotary motors or compressors |
| 04/15/2009 | CN201221383Y Air engine |
| 04/15/2009 | CN100478570C Rotary screw machine and method of transforming a motion in such a machine |
| 04/15/2009 | CN100478544C Rotor engine |
| 04/14/2009 | US7517202 Multiple elastomer layer progressing cavity stators |
| 04/14/2009 | CA2355843C Lever-mechanism motor or pump |
| 04/09/2009 | WO2009045187A1 Screw compressor pulsation damper |
| 04/09/2009 | WO2008095756A3 An apparatus for generating rotary power, an engine and a method of generating rotary power |
| 04/08/2009 | CN201218109Y Bearing oil leakage-proof pneumatic motor |
| 04/08/2009 | CN100476210C internal gear rotary pump or motor |
| 04/02/2009 | WO2009042174A1 A rotary fluid-displacement assembly |
| 04/02/2009 | WO2009040733A2 Device for converting energy |
| 04/02/2009 | WO2009040588A2 Heterocentric distributive oscillating transmission mechanism and toroidal hermetic rotary engine as its application |
| 04/02/2009 | WO2009039613A1 Rotary vane engine system |
| 04/02/2009 | US20090087331 Scroll type fluid machine |
| 04/02/2009 | CA2700814A1 A rotary fluid-displacement assembly |
| 04/02/2009 | CA2700802A1 Rotary vane engine system |
| 04/01/2009 | EP2042742A1 Fluid machine |
| 04/01/2009 | EP2040784A2 Mechanical ventilation system utilizing bias valve |
| 04/01/2009 | EP1073826B9 Hydraulic motor plates |
| 04/01/2009 | CN201215026Y Air motor for pneumatic tools |
| 04/01/2009 | CN101397914A Novel mass flow blade mechanism |
| 04/01/2009 | CN101397913A Spiral rotor and tooth profile formation method |
| 04/01/2009 | CN100473834C Rotary screw machine and method for transforming a motion in the same |
| 03/31/2009 | US7510382 Apparatus for preventing overheating of scroll compressor |
| 03/26/2009 | WO2009036544A1 Multifunctional vehicle wheel system |
| 03/26/2009 | WO2009036475A1 Rotary piston machine |
| 03/26/2009 | US20090081065 Rotary Working Machine Provided with an Assembly of Working Chambers with Periodically Variable Volume, In Particular a Compressor |
| 03/26/2009 | US20090078231 Energy transfer machine |
| 03/25/2009 | CN101395343A Vane type device having stationary and rotary cylinder members |
| 03/25/2009 | CN100472032C Two-lobe rotary machine |