Patents
Patents for F01C 3 - Rotary-piston machines or engines with non-parallel axes of movement of co-operating members (679)
02/1992
02/25/1992US5090867 Rotating fluid machine for reversible operation from turbine to pump and vice-versa
02/24/1992CA2049711A1 Compressed air radial motor
02/12/1992CN2095941U Ball type volume changing machine
02/12/1992CN1015483B Ball-type rotary pump and machine
01/1992
01/16/1992DE4127870A1 Rotating disc four stroke IC engine - is designed so that piston centre lines intersect
01/14/1992US5080568 Positive displacement rotary machine
11/1991
11/27/1991CN1014921B Power conversion machine provided with pistons rotating in spherical housing
11/13/1991EP0431168A4 Volume-expansion rotor machine
10/1991
10/03/1991WO1991014859A1 Working fluid rotating machine
07/1991
07/23/1991US5033429 Internal combustion engine
06/1991
06/12/1991EP0431168A1 Volume-expansion rotor machine
06/12/1991CN2078807U Hemispherical oscillating rotary pump
06/05/1991EP0429650A1 Volume-expansion steam rotor engine
06/05/1991CN1012750B Power coversion machine having pistons which are moved in turning movement in spherical housing
05/1991
05/28/1991US5018952 Single screw mechanism with gaterotor housing at intermediate pressure
05/28/1991US5018435 Fluid cell arrangement for compressed air motors
04/1991
04/17/1991EP0422159A1 Spherical rotary machine
03/1991
03/13/1991CN1012002B Threaded bolt compression (or expansion) machine using joggle-joint-set
02/1991
02/12/1991WO1991002145A1 Toroidal hyper-expansion rotary engine, compressor, expander, pump and method
01/1991
01/23/1991EP0408992A2 Rotating fluid machine for reversible operation from turbine to pump and vice-versa
01/16/1991CN1048584A Fluid cell arrangement for compressed air motors
01/09/1991EP0406478A1 Power cell arrangement for pressurized-air motors
01/09/1991EP0293413B1 Power conversion machine having pistons which are moved in a turning movement in a spherical housing
01/05/1991CA2018077A1 Fluid cell arrangement for compressed air motors
12/1990
12/27/1990EP0277114B1 Displacement machine
12/25/1990US4979882 Spherical rotary machine having six rotary pistons
11/1990
11/29/1990WO1990014503A1 Volume-expansion steam rotor engine
11/29/1990WO1990014502A1 Volume-expansion rotor machine
10/1990
10/17/1990CN1010046B Conical ring rotary piston pump
09/1990
09/20/1990WO1990010782A1 Spherical rotary machine
09/05/1990CN1045149A Ball-type rotary pump or machine
08/1990
08/08/1990EP0381639A2 Power conversion machine provided with pistons rotating in a spherical housing
07/1990
07/25/1990CN1044149A Power conversion machine provided with pistons rotating in spherical housing
07/18/1990CN2059456U Ball-type rotor pump or machine
07/17/1990US4941811 Leakage path interconnection for single screw mechanisms
07/10/1990WO1990007632A1 Power conversion machine with pistons rotating in pairs relative to each other in a spherical housing
07/03/1990US4938025 Power conversion machine having pistons which are moved in a turning movement in a spherical housing
04/1990
04/24/1990US4919601 Waveform actuating air compressor
02/1990
02/14/1990CN1039643A Rotary piston pump with conical ring segment
02/01/1990DE3825365A1 Rotary engine
02/01/1990DE3825354A1 Rotary engine
01/1990
01/02/1990US4890989 Positive displacement machine with a plastic gate pinton
12/1989
12/13/1989CN1037946A Power conversion machine having pistons which are moved in turning movement in spherical housing
12/05/1989US4884957 Displacement machine having displacement body and sealing members rotating on non-parallel axes
10/1989
10/25/1989CN1036620A Waveform actuating air compressor
09/1989
09/26/1989CA1261762A1 Rotary fluid-handling mechanism
04/1989
04/25/1989US4824348 Multiple tooth engagement single screw mechanism
03/1989
03/28/1989US4815432 Variable cavity fluid power device
01/1989
01/24/1989US4799870 Fluid power transfer device
12/1988
12/07/1988EP0293413A1 Power conversion machine having pistons which are moved in a turning movement in a spherical housing.
11/1988
11/23/1988EP0148823B1 Rotary positive displacement mechanism
08/1988
08/10/1988EP0277114A1 Displacement machine.
06/1988
06/02/1988WO1988003986A1 Power conversion machine having pistons which are moved in a turning movement in a spherical housing
04/1988
04/26/1988CA1235605A1 Toroidal motor/pump
04/14/1988DE3634094A1 Hydraulic or pneumatic engine and machine
03/1988
03/02/1988EP0257043A1 A mechanism
01/1988
01/28/1988WO1988000642A1 Displacement machine
01/26/1988US4721079 Rotary engine
10/1987
10/21/1987EP0241951A2 Rotary fluid-handling mechanism
10/21/1987EP0241950A2 Rotary fluid-handling mechanism
08/1987
08/25/1987US4688522 Fluid power transfer device and fuel system therefor
07/1987
07/30/1987WO1987004495A1 A mechanism
06/1987
06/19/1987DE3543944A1 Internal combustion engine
03/1987
03/10/1987US4648813 Universally-movable machine part and fluid transfer apparatus utilizing same
01/1987
01/13/1987US4636157 Toroidal motor or pump
01/06/1987US4634356 Rotary fluid-handling mechanism
01/06/1987US4634355 Rotary fluid-handling mechanism
12/1986
12/23/1986US4631011 Fluid handling device useful as a pump, compressor or rotary engine
12/23/1986CA1215580A1 Rotary positive displacement mechanism
11/1986
11/04/1986US4620515 Rotary fluid-handling mechanism constructed as an internal combustion engine
09/1986
09/10/1986EP0193530A1 Rotary piston machine
09/03/1986CN85109065A Single threaded bolt compression (or expansion) machine using joggle-joint-set
06/1986
06/10/1986CN85109018A Rotary fluid-handling mechanism
05/1986
05/20/1986US4589388 Internal combustion engine
04/1986
04/01/1986US4579513 Positive displacement screw machine with separation wall attached to slide valve
03/1986
03/27/1986WO1986001856A1 Rotary piston machine
02/1986
02/18/1986US4571166 Control slide for a screw volumetric machine and a machine equipped therewith
02/12/1986EP0171135A1 Rotary fluid-handling mechanism
01/1986
01/07/1986EP0148823A4 Rotary positive displacement mechanism.
12/1985
12/17/1985US4558669 Ignition apparatus for a rotary internal combustion engine
10/1985
10/22/1985US4548559 Rotary unit
09/1985
09/10/1985US4540343 Spherical gear pump
09/04/1985EP0153766A1 Toroidal motor/pump
08/1985
08/13/1985US4534719 Volumetric screw-and-pinion machine and a method for using the same
07/1985
07/24/1985EP0148823A1 Rotary positive displacement mechanism.
05/1985
05/28/1985US4519756 Constant displacement turbine with vane which pivots and rotates
05/14/1985US4516921 End seals for a rotary machine
01/1985
01/31/1985WO1985000405A1 Rotary positive displacement mechanism
01/08/1985US4492542 Global worm machine with seizure-preventing cells
12/1984
12/11/1984US4487559 Hydraulic machine with retractable partitions and variable cubic capacity
11/1984
11/27/1984US4484872 Globoid-worm machine with tapered screw clearance near high pressure end seal
10/1984
10/09/1984US4475877 Globoid worm machine with metal ring in bearing housing
09/1984
09/11/1984US4470779 Rotary fluid machine with expandable rotary obturator
09/11/1984US4470777 Volumetric machine with screw and pinion-wheels
08/1984
08/21/1984CA1172905A1 Displacement variation of hydraulic machines with retractable partitions
07/1984
07/31/1984US4462775 Rotary piston machine with mating frustoconical sealing surface
06/1984
06/27/1984EP0111619A1 Spherical gear pump
03/1984
03/20/1984US4437823 For use in pumps, compressors and motors
01/1984
01/31/1984US4428339 Rotary engine
10/1983
10/26/1983EP0091975A1 Rotary piston engine with two or more rotary pistons in parallel, angular or crossing arrangement
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