Patents for F01C 1 - Rotary-piston machines or engines (9,235)
05/1988
05/26/1988DE3639969A1 Bearing arrangement of a displacer in a displacement chamber
05/25/1988CN85105592B Elliptical cam type rotary engine
05/19/1988WO1988003601A1 Rotary piston unit
05/17/1988US4744738 Gear pump or motor with hard layer in interior casing surface
05/17/1988US4744736 Compound rotary internal combustion engine
05/11/1988CN86106989A The compound gas motor with overpoint valve distribution gas
05/04/1988EP0265521A1 Rotor of downhole screw motor, method and device for making thereof
05/03/1988US4741308 Rotary internal combustion engine and method of operation
04/1988
04/28/1988DE3708437A1 Non-reversible engine
04/28/1988DE3636048A1 Device for controlling an internal combustion engine
04/28/1988DE3635999A1 Compressed air motor with new type of silencer
04/27/1988EP0264490A1 Rotor and shaft equal rotation
04/26/1988US4740144 Reversible radial vane air motor
04/21/1988DE3635615A1 Internal combustion engine
04/19/1988US4738235 Rotary engine having controller and transfer gears
04/12/1988US4737082 Lift valve for rotary screw compressors
04/07/1988WO1988002438A1 Rotary machine
04/06/1988EP0262721A1 A rotary engine of the type having a planetary rotor with rotor and shaft equal rotation
04/05/1988US4735561 Machine having plural fixed internal axes with reinforced rotor
03/1988
03/31/1988DE3633144A1 Internal axis rotary internal combustion engine controlled by circular segments
03/30/1988EP0261757A2 Internal axis rotary piston machine with rotary valve
03/22/1988US4732550 Scroll fluid machine with fine regulation elements in grooves having stepped portion
03/17/1988DE3627962A1 Rotary internal combustion engine
03/16/1988EP0259328A1 Rotary piston machine.
03/15/1988US4730375 Method for the assembly of a scroll-type apparatus
03/10/1988WO1988001696A1 Trochoidal gas processing devices
03/10/1988WO1988001695A1 Rotor for a rotary screw machine
03/02/1988EP0257043A1 A mechanism
03/02/1988EP0257029A1 A screw-type rotary machine having at least one rotor made of a plastics material.
02/1988
02/25/1988WO1988001353A1 Axial bearing device
02/25/1988WO1988001336A1 Internal combustion engine without pistons
02/25/1988DE3727986A1 Compacting machine compressing fluid e.g. refrigeration compressor
02/25/1988DE3616090A1 Valveless rotary piston engine with crankshaft
02/23/1988CA1233145A1 Volumetric displacement fluid machine
02/23/1988CA1233144A1 Controlled suction unloading in a scroll compressor
02/23/1988CA1233073A1 Rotary fluid devices
02/23/1988CA1233072A1 Rotary piston machine with parallel internal axes
02/23/1988CA1233071A1 Rotary piston machine with parallel internal axes
02/09/1988US4723897 Rotary engine
02/04/1988DE3623969A1 Pace-maker transmission for rotary engine
02/02/1988US4722126 Method and apparatus for the manufacture of a single-rotation machine having an internal axis
01/1988
01/28/1988WO1988000641A1 Rotating piston machine
01/26/1988US4721445 Outer envelope trochoidal rotary device having a rotor assembly having peripheral reliefs
01/26/1988CA1231864A1 Scroll type fluid displacement apparatus with surface treated spiral element
01/21/1988DE3623739A1 Rotary engine with desmodromic valve gear
01/07/1988DE3621153A1 Pump
01/07/1988DE3621006A1 Parallel-axis rotary engine with contact-free contra-rotating oval pistons
01/05/1988US4717322 Roots-type fluid machine
01/05/1988US4717320 Gerotor motor balancing plate
01/05/1988US4716870 Rotary internal combustion engine
12/1987
12/29/1987USRE32568 Screw rotor machine and rotor profile therefor
12/29/1987US4715797 Rotary-piston displacement machine
12/29/1987US4715796 Scroll-type fluid transferring machine with loose drive fit in crank shaft recess
12/29/1987US4715338 Rotary engine
12/23/1987EP0250372A1 Rotary piston engine
12/22/1987US4714417 Internal axis single-rotation machine with intermeshing internal and external rotors
12/17/1987WO1987007675A1 Rotary piston machine
12/16/1987EP0249178A1 Internal axis-type rotary-piston machine
12/09/1987EP0248613A2 Heat transfer systems
12/09/1987EP0248350A1 Rotary piston machine
12/03/1987WO1987007326A1 Rotary internal combustion engine
12/01/1987CA1229830A1 Rotary, positive-displacement machine, of the helical- rotor type, and rotors therefor
11/1987
11/26/1987DE3617197A1 Eccentric rotor piston engine
11/25/1987EP0246567A2 Reversible system for the transfer of energy from a fluid to a rotating shaft
11/25/1987CN86103105A Vaned double rotor internal combustion engine
11/24/1987CA1229520A1 Axial sealing device for a scroll type fluid displacement apparatus
11/12/1987DE3615331A1 Rotary piston engine for multifuel methods of operation with working chambers purposely controllable during operation
11/10/1987CA1229016A1 Anti-rotation coupling for a scroll machine
11/05/1987WO1987006654A1 Rotary positive displacement machine for a compressible working fluid
11/05/1987DE3615102A1 Rotary internal combustion engine
11/04/1987EP0244183A2 Scroll member for scroll type fluid displacement apparatus
10/1987
10/29/1987DE3613734A1 Gear internal combustion engine
10/27/1987US4702206 Rotary positive displacement machine
10/21/1987EP0241570A1 Volumetric displacement fluid machine
10/14/1987EP0240491A1 Rotary engine.
10/13/1987US4699577 Internal gear device with improved rotary valve
10/13/1987US4699576 Positive displacement device
10/13/1987US4699101 Volumetric displacement fluid machine
10/08/1987DE3705079A1 Rotary engine
10/06/1987US4697999 Rotary piston engine
10/01/1987DE3610089A1 Rotary engine
09/1987
09/29/1987US4696084 Method for forming scroll members used in a scroll type fluid machine
09/22/1987CA1227173A1 Interfitting mechanism of spiral elements for scroll type fluid displacement apparatus
09/16/1987EP0236344A1 Shaft power generator
09/15/1987US4693813 Method of broaching outer periphery of lobe-type rotor of roots-type fluid machine, and broaching cutter used in the method
09/08/1987US4692105 Roller displacement motor
09/02/1987EP0146612A4 Rotary machine.
09/01/1987US4690625 Scroll-type fluid machine with configured wrap edges and grooves
08/1987
08/25/1987US4688531 Rotary internal combustion engine
08/18/1987US4687427 Rotary internal combustion engine with uniformly rotating pistons cooperating with reaction elements having a varying speed of rotation and oscillating motion
08/13/1987WO1987004753A1 Rotor of downhole screw motor, method and device for making thereof
08/06/1987DE3600512A1 Engine or combustion turbine
08/05/1987EP0230868A2 A rotary machine
08/05/1987EP0223788A4 Hydraulic motor.
08/04/1987US4683852 Internal combustion engine having rotating pistons
07/1987
07/30/1987WO1987004495A1 A mechanism
07/30/1987DE3633536A1 Rotary engine
07/29/1987EP0230054A1 Multi-purpose rotary vane machine
07/29/1987EP0229766A1 Rotary engine
07/22/1987EP0229142A1 Rotary engine with non-uniform piston speed
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