| Patents for F01C 1 - Rotary-piston machines or engines (9,235) |
|---|
| 03/08/1989 | CN2033861U Planetary gear reduction type high power motor |
| 03/08/1989 | CN1031579A Vane type pneumatic engine |
| 03/02/1989 | DE3727437A1 4-stroke rotary engine (caterpillar track engine) |
| 03/01/1989 | CN1031406A 旋转发动机 Rotary engine |
| 02/23/1989 | WO1989001563A1 Rotary machine |
| 02/23/1989 | DE3726800A1 Fluegelzellenmaschine Fluegelzellenmaschine |
| 02/15/1989 | EP0302877A1 Rotary positive displacement machine for a compressible working fluid. |
| 02/08/1989 | CN1030961A Internal-axis rotary-piston machine |
| 02/02/1989 | DE3821125A1 Drive arrangement |
| 02/01/1989 | CN1030812A Volume machine |
| 01/31/1989 | US4801255 Internal axis single-rotation machine with intermeshing internal and external rotors |
| 01/25/1989 | EP0300175A2 Rotary-piston machine |
| 01/24/1989 | US4799868 Compressor/pump |
| 01/19/1989 | DE3724077A1 Rotary pump or motor with external rotor |
| 01/10/1989 | US4797077 Rotary expansible chamber device |
| 01/05/1989 | DE3820733A1 Drive arrangement |
| 01/05/1989 | DE3715597A1 Rotary piston engine with internal axis - has follow-up rollers for pistons, for cosine symmetrical centre point track |
| 01/04/1989 | EP0187839B1 Rotary positive displacement machine |
| 01/03/1989 | US4795326 Rotary piston machine having inner and outer rotors and a reinforcing belt |
| 01/03/1989 | US4795324 Scroll-type fluid transferring machine with deformable thrust bearing |
| 01/03/1989 | US4795323 Scroll machine with anti-rotation mechanism |
| 01/03/1989 | CA1248029A1 Rotary internal combustion engine |
| 12/28/1988 | EP0296218A1 Profiles of screw-type rotors for rotary machines conveying a gaseous fluid. |
| 12/28/1988 | CA1247570A Screw rotor machine rotor with specific tooth profile |
| 12/27/1988 | US4793781 External and internal rotor machine having internal axes and circumferential reinforcement web |
| 12/27/1988 | US4793780 Rolling piston type rotary machine with discharge passage in vane |
| 12/22/1988 | DE3718866A1 Pumpe Pump |
| 12/21/1988 | EP0295480A2 Positive displacement machine |
| 12/15/1988 | WO1988009877A1 Pump |
| 12/15/1988 | DE3718310A1 Rotary multiple-piston flywheel engine |
| 12/14/1988 | CN88102501A E-shaped rotary polygonal piston engine |
| 12/13/1988 | US4790733 Rotary cylinder configuration and method to control slot dimensions during direct weld attachment to the shell |
| 12/13/1988 | CA1246510A1 Rotary positive displacement machine |
| 12/08/1988 | DE3717345A1 Internal-axis rotary piston engine |
| 12/08/1988 | DE3717344A1 Internal-axis rotary engine |
| 12/06/1988 | US4788952 Rotary piston internal combustion engine |
| 11/30/1988 | EP0292680A2 Rotary piston machine with two cylinders arranged parallely to each other |
| 11/28/1988 | EP0210984A4 Fluid motor or pump. |
| 11/24/1988 | DE3814385A1 Positive-displacement machine for compressible media |
| 11/22/1988 | EP0190135A4 Rotary apparatus. |
| 11/17/1988 | WO1988008921A1 Piston internal combustion engine |
| 11/17/1988 | EP0290864A2 Internal axis rotary piston machine |
| 11/17/1988 | DE3715465A1 Rotationsantriebsvorrichtung Rotation drive device |
| 11/17/1988 | DE3714639A1 Rotary-piston internal combustion engine |
| 11/09/1988 | EP0289644A1 Rotary internal-combustion turbine |
| 11/09/1988 | EP0289561A1 Rotary piston unit |
| 11/08/1988 | US4782802 Positive displacement rotary mechanism |
| 11/08/1988 | US4782656 Rotary valve assembly for engine |
| 11/03/1988 | DE3712849A1 Rotary engine |
| 11/01/1988 | US4781549 Modified wrap scroll-type machine |
| 11/01/1988 | US4781541 External axial rotary piston blower with noise suppressing transfer ports |
| 10/19/1988 | CN87102720A Arrangement in internal combustion engine provided with supercharger |
| 10/13/1988 | DE3717346A1 Internal-axis rotary engine |
| 10/12/1988 | CN87102280A A double-eccentric center internal axle revolving piston machinery |
| 10/11/1988 | US4776779 Fluid motor or pump |
| 10/11/1988 | US4776777 Rolling cylinder engine system |
| 10/06/1988 | WO1988007623A1 Rotating piston machine, particularly a supercharged rotary piston engine |
| 10/06/1988 | DE3709901A1 Internal axis rotary piston machine, especially supercharger |
| 10/05/1988 | EP0284774A1 Scroll-type displacement machine |
| 09/27/1988 | US4773144 Method of manufacture of scroll compressors and expanders |
| 09/27/1988 | CA1242424A1 Double-eccentric rotary apparatus with minimal chamber volume |
| 09/21/1988 | CN87101335A Supercharging gear internal-combustion engine |
| 09/20/1988 | US4772191 Internally axed single-rotation machine with sealing gap arrangement |
| 09/20/1988 | US4772189 Rotor for a rotary engine |
| 09/14/1988 | EP0281654A1 Two-shaft machine |
| 09/14/1988 | CN88100278A Vortex tube type fluid devices |
| 09/14/1988 | CN87101311A Rotary piston engine with ring cylinder |
| 08/30/1988 | US4767293 Scroll-type machine with axially compliant mounting |
| 08/30/1988 | US4767292 Electrical commutation apparatus |
| 08/24/1988 | EP0279413A2 Motor lubrication with no external case drain |
| 08/24/1988 | CN87204891U Double eccentric inner shaft type rotating piston machinery |
| 08/17/1988 | CN87203294U Rotary=piston engine & pump thereof |
| 08/16/1988 | US4764095 Rotary slide compressor with thin-walled, deformable sleeve |
| 08/10/1988 | CN87103535A Low pressure gas power machine |
| 08/09/1988 | US4762479 Motor lubrication with no external case drain |
| 08/02/1988 | US4761124 For the compression or expansion of an elastic fluid |
| 08/02/1988 | US4761122 Scroll-type fluid transferring machine with slanted thrust bearing |
| 07/28/1988 | DE3736799A1 Positive-displacement machine for compressible media |
| 07/27/1988 | EP0275415A1 Displacement machine for compressible media |
| 07/26/1988 | US4759697 Rotary piston machine having crown wheel coupled to the crank |
| 07/20/1988 | EP0274651A2 Rotary-piston machine |
| 07/19/1988 | US4758132 Rotary machine with motor embedded in the rotor |
| 07/14/1988 | WO1988005120A1 Coaxial rotary piston machine |
| 07/14/1988 | WO1988005119A1 Rotary piston machine with sealing elements |
| 07/14/1988 | WO1988005118A1 Profiles of screw-type rotors for rotary machines conveying a gaseous fluid |
| 07/14/1988 | DE3709030A1 Rotary engine with seals |
| 07/14/1988 | DE3709014A1 Stirling engine with rotary piston situated in a gas-tight inner chamber of a housing |
| 06/28/1988 | US4753585 Prime mover with toothed rotors having different diameter portions |
| 06/28/1988 | US4753584 Single-rotation machine having internal and external rotors with axial cooling ducts for the external rotor |
| 06/23/1988 | DE3643780A1 Air- or mixture-compressing single rotary piston internal combustion engine of the trochoidal type |
| 06/16/1988 | DE3641146A1 Rotary engine with combustion spaces of any design |
| 06/15/1988 | EP0270583A1 Rotary piston machine |
| 06/15/1988 | CN87107847A Device for measuring, pumping, suction or compression of liquids or liquefied gases |
| 06/07/1988 | CA1237673A1 Rotary engine |
| 06/07/1988 | CA1237602A1 Rolling rotor volumetric motor |
| 06/01/1988 | EP0269165A2 Liquid flow meter |
| 06/01/1988 | CN86107914A Gear type multifunction rotating machine |
| 06/01/1988 | CN85104766B Blade gas motor with positive and negative transform exhaust angular mechanism |
| 05/31/1988 | US4747764 Rotary fluid pump |
| 05/31/1988 | US4747762 Fluid machine |