| Patents for F01C 11 - Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type (1,299) |
|---|
| 11/23/1994 | EP0625243A1 Rotary engine. |
| 10/25/1994 | US5357923 Rotary piston internal combustion engine |
| 10/04/1994 | US5352295 Rotary vane engine |
| 09/29/1994 | WO1994021906A1 Rotary internal combustion engine |
| 09/07/1994 | EP0613516A1 Multichamber turbo engine. |
| 08/30/1994 | CA1331741C Rotary piston engine |
| 08/18/1994 | DE4304423A1 Heat engine |
| 07/20/1994 | EP0532567B1 Rotary piston internal combustion engine |
| 07/19/1994 | US5329900 Rotary internal combustion engine |
| 07/14/1994 | DE4300264A1 Energy conversion method using rotary piston aggregate |
| 06/23/1994 | WO1994013942A1 Dual disc rotary combustion engine |
| 06/22/1994 | EP0602272A1 Rotary piston machine |
| 06/07/1994 | US5317996 Self-starting multifuel rotary piston engine |
| 06/02/1994 | CA2084215A1 Rotary internal combustion engine |
| 06/01/1994 | EP0599545A1 Liquid ring compressor/turbine and air conditioning systems utilizing same |
| 05/26/1994 | WO1994011624A1 Engine |
| 03/23/1994 | EP0587843A1 Liquid-ring machine |
| 03/17/1994 | WO1994005957A1 Portable self-contained power and cooling system |
| 03/17/1994 | CA2142865A1 Portable self-contained power and cooling system |
| 03/15/1994 | US5293850 Scroll type rotary internal combustion engine |
| 03/10/1994 | DE4229999A1 Rotary piston engine - has sun and planet gear mechanism mounted on central rotary axes |
| 02/10/1994 | DE4330033A1 Triple disc rotary piston IC engine - has functions controlled by slits which are opened and closed by disc pistons, has ignition chamber outside of housing and joined to compression and expansion chambers by openings |
| 02/08/1994 | CA1326830C Rotary internal combustion engine |
| 02/08/1994 | CA1326829C Compound rotary internal combustion engine |
| 12/22/1993 | EP0575309A1 Internal combustion engine with oscillating pistons |
| 12/08/1993 | EP0572759A1 An internal combustion engine system |
| 11/18/1993 | EP0569454A1 Device for conveying and/or compressing media and working or power machines. |
| 11/18/1993 | DE4215618A1 Power plant working on closed cycle principle - operates by expansion of hot gas between two paraboloid pistons rotating in same direction |
| 11/17/1993 | CN1022772C Combined impeller rotary engine |
| 11/09/1993 | US5259739 Non-reciprocating multi-piston engine |
| 11/03/1993 | EP0542759A4 A multi-chamber rotary lobe fluid machine with positive sliding seals |
| 10/21/1993 | DE4212921A1 Multiple-shaft IC engine - has intermeshing shaft pairs, one for fuel intake and compression, other for expansion and exhaust |
| 10/14/1993 | WO1993020342A1 Scroll expander driven compressor assembly |
| 10/14/1993 | WO1993020333A1 Liquid-ring machine |
| 10/14/1993 | DE4212326A1 Orbital engine to drive machines - consists of housing with ring-shaped rotor and pistons, which rotate about point outside rotor axis |
| 10/14/1993 | CA2133317A1 Scroll expander driven compressor assembly |
| 09/28/1993 | US5247916 Rotary engine |
| 09/28/1993 | US5247795 Scroll expander driven compressor assembly |
| 09/16/1993 | WO1993018286A1 Internal combustion engine |
| 08/19/1993 | WO1993016273A1 Rotary engine |
| 08/19/1993 | WO1993016270A1 Rotary fluid displacement apparatus |
| 07/20/1993 | US5228309 Portable self-contained power and cooling system |
| 06/29/1993 | US5222992 Continuous combustion rotary engine |
| 06/15/1993 | US5219393 Pressure driven rotary drive |
| 05/27/1993 | WO1993010332A1 Multichamber turbo engine |
| 05/26/1993 | EP0542759A1 A multi-chamber rotary lobe fluid machine with positive sliding seals |
| 04/29/1993 | WO1993008388A1 Rotary internal combustion engine |
| 04/15/1993 | WO1993007374A1 Rotary stirling cycle engine |
| 03/16/1993 | US5193502 Self-starting multifuel rotary piston engine |
| 03/04/1993 | WO1993004271A1 Rotary engine |
| 02/18/1993 | DE4213369A1 Heat power machine with external combustion - uses rotating compressor in each of two hollow cylindrical sections fillable with gaseous medium |
| 01/28/1993 | DE4124486A1 Compression turbine engine - has two flow paths, outer one for working process, inner one for cooling |
| 12/30/1992 | EP0371022B1 Compound rotary internal combustion engine |
| 12/17/1992 | DE4119622A1 Planetary piston IC engine - has housing-fastened expansion-chamber, open to rotary piston, with rotating filler channel, to feed combustion gas to expansion chamber |
| 12/16/1992 | EP0510125A4 Rotary internal combustion engine |
| 12/07/1992 | WO1992021856A1 A multi-chamber rotary lobe fluid machine with positive sliding seals |
| 11/18/1992 | CN1066318A Combination type rotary blade engine |
| 11/05/1992 | DE4222000A1 Rotary-piston engine for vacuum, injection or diesel motors - has discs in separate housings on common shaft with central bearing and incorporating pistons |
| 10/28/1992 | EP0510125A1 Rotary internal combustion engine. |
| 10/01/1992 | WO1992016722A1 Power-transforming device (motor, or compressor and/or pump) |
| 09/02/1992 | EP0500597A1 A rotary fluid engine. |
| 08/06/1992 | WO1992013176A1 Device for conveying and/or compressing media and working or power machines |
| 06/04/1992 | DE4037617A1 Stirling engine with reciprocating piston - incorporates, uses rotors to transport gas from hot to cold heat exchangers |
| 05/21/1992 | DE4036768A1 Tangential disc piston pump, compressor or engine - has inner and outer pistons each acting as slider to other |
| 05/21/1992 | DE4036170A1 Generation of mechanical energy - uses rotating engine with split circular channel and magnetic piston couplings |
| 04/07/1992 | US5101782 Rotary piston engine with slide gate |
| 03/12/1992 | DE4029144A1 Rotary-type IC engine - incorporates combustion chamber in which fuel burns continuously |
| 03/10/1992 | US5094205 Scroll-type engine |
| 02/05/1992 | CN1058447A Combined engine |
| 01/16/1992 | DE4021233A1 Rotary-piston fluid engine - comprises four or more machines together forming power units and working machines |
| 12/31/1991 | US5076228 Rotary vane engine |
| 12/17/1991 | US5073097 Multi-chamber rotary lobe fluid machine with positive sliding seats |
| 12/12/1991 | WO1991019088A1 Rotary piston internal combustion engine |
| 12/05/1991 | DE4017760A1 Rotary piston IC engine - has at least one twin piston system with two pistons rotating symmetrically round common axis |
| 11/27/1991 | EP0457796A1 Positive displacement wing motor |
| 11/13/1991 | EP0232421B1 Screw machine |
| 09/04/1991 | CN1054292A Rotary-piston internal combustion engine with compressed-air burning in different cylinders |
| 07/11/1991 | WO1991010052A1 Rotary internal combustion engine |
| 07/09/1991 | US5030071 Roller van motor with fluid biassed roller |
| 06/18/1991 | US5024192 Variable compression ratio internal combustion rotating engine |
| 05/16/1991 | WO1991006747A1 A rotary fluid engine |
| 05/02/1991 | DE4032630A1 Double rotor multi-fuel combustion engine - arrangement of vane cell rotors in separate housings |
| 04/25/1991 | DE4039343A1 Free-piston IC engine - has turbocharger system and piston moving in U=shaped channel |
| 02/21/1991 | DE4023299A1 Heat engine with continuous heat supply - has method of controlling compression, and gas throughput |
| 11/27/1990 | US4973233 Four-rotor type rotary piston engine |
| 11/22/1990 | EP0397996A2 Internal combustion engine |
| 11/20/1990 | US4971002 Rotary internal combustion engine |
| 10/24/1990 | EP0393170A1 Rotary piston engine |
| 10/02/1990 | US4960370 Internal axis rotary piston machine |
| 09/27/1990 | DE3909299A1 Pocket disc engine as internal combustion engine |
| 09/25/1990 | CA1274476A1 Rotary internal combustion engine |
| 08/23/1990 | WO1990009510A1 Positive displacement wing motor |
| 08/22/1990 | CN1009293B Rotational piston type internal-combustion engine with separating strokes |
| 04/18/1990 | EP0213154B1 Rotary motion fluid apparatus |
| 03/20/1990 | US4909208 Rotary internal combustion motor |
| 03/08/1990 | WO1990002259A1 Rotary piston engine |
| 02/01/1990 | DE3825372A1 Rotary engine |
| 02/01/1990 | DE3825365A1 Rotary engine |
| 01/23/1990 | US4895117 Internal combustion engine |
| 01/16/1990 | US4893996 Interengaging rotor device with lubrication means |