Patents for F01C 19 - Sealing arrangements in rotary-piston machines or engines (1,301)
06/2008
06/24/2008US7390181 Rotating piston machine
06/19/2008WO2008070955A1 A rotary device
06/19/2008US20080145259 Oil Pump and Method of Assembling the Oil Pump
06/12/2008US20080136113 Rotary device
06/05/2008WO2008065017A1 System for sealing the piston of rotary piston machines
06/05/2008WO2008064773A1 Sealing device
06/05/2008WO2008064772A1 Sealing device
06/05/2008DE102006057003A1 Prinzip und System zur Abdichtung des Kolbens von Rotationskolbenmaschinen Principle and system for sealing of the piston of rotary-piston machine
06/05/2008DE102006057002A1 Sealing system for rotary wing motor, has rotor including rotor and movable segments, which are pressed by spring and/or gas forces such that front sides of segments rest at rotor, where rotor segment is connected with rotor shaft
06/05/2008CA2671017A1 Principle and system of sealing the piston of rotary piston engines
06/04/2008CN201068807Y Diamond-type rotor engine
05/2008
05/29/2008WO2008062838A1 Fluid machinery
05/29/2008WO2008062837A1 Fluid machinery
05/28/2008CN100390376C External combustion rotary piston engine
05/21/2008CN201062526Y Sealing device for hand-held pneumatic drilling machine
05/14/2008EP1920140A2 Improvements to wankel and similar rotary engines
05/07/2008CN100386501C Rotary positive displacement machine with orbiting piston
04/2008
04/24/2008WO2008048165A1 Pneumatic vane motor
04/22/2008US7361001 Hydraulic vane pump
04/16/2008CN101163861A Scroll expander
04/03/2008CA2606034A1 Skinning of progressive cavity apparatus
03/2008
03/27/2008US20080075614 Sealing device of fluid machinery
03/25/2008US7347135 Water pressure driven generator
03/20/2008WO2007144748A3 Bi-directional disc-valve motor and improved valve-seating mechanism therefor
03/19/2008EP1899580A2 Orbiting piston machines
03/04/2008US7338268 Discharge valve device of a compressor
02/2008
02/21/2008US20080044306 Device-Operating Module
02/21/2008US20080041056 External heat engine of the rotary vane type and compressor/expander
01/2008
01/23/2008EP1881153A1 Piston for an internal combustion engine
01/23/2008EP1881152A1 Piston for an internal combustion engine
01/17/2008US20080014108 Vane cell pump
01/16/2008CN101105142A Rhombohedral rotor engine
01/03/2008DE102006030711A1 Radial slewing motor especially for vehicle, has sliding sealing ring with internal diameter determined by diameter of rotor shaft
01/02/2008EP1873350A1 Scroll expander
01/01/2008US7314356 Fluid machine
12/2007
12/25/2007US7311077 Rotary positive displacement machine with orbiting piston
12/21/2007WO2007144748A2 Bi-directional disc-valve motor and improved valve-seating mechanism therefor
12/20/2007US20070292292 Vane cell pump
12/20/2007US20070292291 Vane cell pump
11/2007
11/28/2007CN100351555C Discharge high-pressure axle seal element
11/22/2007WO2007132069A1 Sealing segments for rotary piston engines
11/20/2007US7296983 Gas compression apparatus capable of preventing lubricant leakage
11/15/2007WO2007097728A3 Pump and motor
10/2007
10/18/2007US20070240674 Multilobe rotary motion asymetric compression/expansion engine
10/17/2007EP1141530B1 Rotary engine having enhanced charged cooling and lubrication
10/11/2007DE102006016469A1 Schwenkmotor Swing motor
10/05/2007CA2542706A1 Rotary engine or wankel engine.
09/2007
09/27/2007US20070224067 Variable displacement sliding vane pump
09/27/2007US20070224066 Variable displacement vane pump
09/20/2007US20070217937 Vane Rotary Type Air Pump
09/19/2007EP1835127A1 Positive-displacement fluid machine
09/06/2007US20070207048 Rotor sliding-vane machine
09/04/2007US7264455 Rotary positive displacement hydraulic machines
09/04/2007US7264454 Rotary combustion engine with an improved inner seal
08/2007
08/30/2007WO2007095773A1 Sealing system for an oscillating-piston engine
08/30/2007CA2642765A1 Sealing system for an oscillating-piston engine
08/28/2007US7261066 Piston for an internal combustion engine
08/16/2007WO2007091986A1 Rotary internal combustion engine
08/14/2007US7255065 Piston for an internal combustion engine
08/01/2007EP1812686A1 Balanced rotary internal combustion engine or cycling volume machine
07/2007
07/26/2007US20070170796 Sealing device for a radial swivel motor
07/24/2007US7247005 Oil seal arrangement
07/19/2007US20070166182 Pneumatic tool
07/11/2007EP1805396A1 Vane for a rotary pump
07/03/2007US7237432 Vane pump, method for adjusting pump flow rate of vane pump and fuel vapor leakage check module having vane pump
06/2007
06/28/2007US20070148027 Rotary pump provided with an axially movable blade
06/26/2007US7234924 Rotary combustion engine with device for conveying lubricating oil
06/26/2007US7234344 Vane pump and fuel vapor leakage check module having the same
06/26/2007CA2483975C Rotary pistons
06/21/2007WO2007041224A3 Hydrogen g-cycle rotary internal combustion engine
06/21/2007US20070137610 Rotary engine
06/19/2007US7231894 Rotary positive displacement machine
06/14/2007US20070134120 Vane pump
05/2007
05/31/2007WO2007003887A3 Orbiting piston machines
05/31/2007CA2737435A1 Internal combustion engine
05/24/2007WO2006075353A3 Cat and mouse type machine
04/2007
04/26/2007US20070089701 Rotary piston machine with an oval rotary piston
04/04/2007EP1770282A1 Tip seal in a scroll fluid machine
03/2007
03/29/2007US20070071628 Compressor
03/28/2007EP1766189A1 Device-operating module
03/28/2007CN1938530A Gear assembly
03/22/2007US20070065326 Rotary piston and methods for operating a rotary piston as a pump, compressor and turbine
03/22/2007US20070065324 Rotary compressor
03/21/2007CN1934335A Rotary type expansion machine
03/15/2007US20070059195 Rotary piston pump end pressure regulation system
03/08/2007US20070053782 Rotary type expander and fluid machinery
03/07/2007EP1760315A2 Internal gear pump with filler
03/07/2007CN1926366A Sealing device for a radial swivel motor
03/06/2007US7186101 Gerotor apparatus for a quasi-isothermal Brayton cycle Engine
02/2007
02/28/2007EP1757813A1 Tip seal in a scroll fluid machine
02/22/2007US20070041860 Rotary vane air pump
02/22/2007US20070041859 Rotary fluid-driven motor with sealing elements
02/20/2007US7178502 Balanced rotary internal combustion engine or cycling volume machine
02/15/2007WO2007018527A1 Positive displacement rotary device and method of use
02/15/2007US20070036666 Rotary fluid machine
02/14/2007EP1751425A2 Rotary vane pump
02/08/2007US20070031277 Controlled-clearance sealing compressor devices
02/06/2007US7171941 Positive displacement rotary device and method of use
02/01/2007US20070025870 Eccentric pump, and use thereof
02/01/2007US20070023001 Balanced rotary internal combustion engine or cycling volume machine
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