| Patents for F01L 7 - Rotary or oscillatory slide-valve gear or valve arrangements (1,661) |
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| 05/02/1990 | EP0366035A1 Sealing element for a rotary timing system of internal-combustion engines |
| 05/01/1990 | US4920934 Rotary valve internal combustion engine |
| 04/19/1990 | DE3933105A1 Two=stroke IC engine with charge change control - has passage with piston adjustable cross=section, connected to top of combustion chamber for charge change |
| 04/10/1990 | WO1990011432A1 Rotary sleeve valve-carrying internal combustion engine |
| 03/20/1990 | US4909212 Electronically controlled type throttle valve for internal combustion engines |
| 02/06/1990 | US4898042 Rotary drives |
| 12/27/1989 | CN1038334A Rotary valve internal combustion engine |
| 12/26/1989 | US4889091 Rotary valve for natural gas rotary engine |
| 12/26/1989 | US4889088 Fluid flow control method and apparatus for a positive displacement engine or compressor |
| 12/19/1989 | US4887567 Connecting arrangement in valve operating system for internal combustion engine |
| 12/13/1989 | EP0346296A1 A rotary valve internal combustion engine |
| 12/13/1989 | EP0346261A1 Improvements to an intake and exhaust system with a rotating port shaft for four-cycle internal combustion engines |
| 11/23/1989 | DE3918568A1 Rotary slide valve with integral injection nozzle and adapted piston cavity for charge cycle control and mixture formation for supercharged four-stroke diesel engines |
| 11/14/1989 | US4879979 Intake and exhaust system through rotatory ports shaft, in four-stroke motors |
| 10/31/1989 | US4876850 Combustion engine for solid block fuel |
| 09/19/1989 | US4867117 Rotary valve with integrated combustion chamber |
| 09/14/1989 | DE3806689A1 Internal combustion engine with applied ignition |
| 09/12/1989 | US4864985 Rotary valve |
| 09/12/1989 | US4864984 Rotary valve internal combustion engine |
| 09/12/1989 | US4864980 Exhaust valve throttling mechanism for two-stroke engine |
| 09/12/1989 | US4864814 Continuous combustion heat engine |
| 08/29/1989 | US4860701 Multiple piston expansion chamber engine |
| 08/22/1989 | US4858577 Rotary valve device for internal combustion engines |
| 08/10/1989 | DE3737823A1 Method for operating an internal combustion engine, and internal combustion engine for carrying out the method |
| 08/10/1989 | DE3737820A1 Method for operating an internal combustion engine and internal combustion engine for carrying out the method |
| 08/02/1989 | EP0325655A1 Connecting structrure in valve driving mechanism for internal combustion engines |
| 08/01/1989 | US4852532 Rotary valve for internal combustion engines |
| 07/20/1989 | DE3800606A1 Two-stroke internal combustion engine with an oscillating piston divided cylinder arrangement serving for the delivery of fresh gas or for secondary expansion of the combustion gases |
| 07/05/1989 | EP0323301A1 Timing device for a volumetric engine and compressor |
| 06/22/1989 | DE3741512A1 Two-stroke internal combustion engine, in particular for driving motor vehicles |
| 06/13/1989 | US4838220 Rotary valves |
| 06/13/1989 | US4838214 Internal combustion engine assembly |
| 05/30/1989 | US4834038 Timing device for reciprocating positive-displacement engines, such as endothermic reciprocating engines, with a rotary valve in the shape of a solid of revolution particularly a sphere |
| 05/18/1989 | WO1989004420A1 Improved exhaust valve throttling mechanism for two-stroke engine |
| 04/18/1989 | US4822260 Device for controlling fluid supply to a rotary piston machine |
| 04/18/1989 | US4821692 Rotary valve mechanism for internal combustion engine |
| 03/28/1989 | US4815428 Rotary valve internal combustion engine |
| 03/28/1989 | US4815420 Two-stroke internal combustion engine |
| 03/21/1989 | US4813392 Rotary valve assembly |
| 03/08/1989 | EP0306141A2 Rotary drives |
| 03/07/1989 | US4809503 Solid fuel bar combustion device and a compressor |
| 02/16/1989 | DE3725626A1 Two=stroke IC engine with external ignition - has scavenging pump with one-sided action |
| 01/12/1989 | DE3821617A1 Through-scavenging engine with rotary valve, and separate scavenging and charging |
| 01/05/1989 | DE3741511A1 Cylinder head with a common gas-reversing valve for the inlet and outlet of an internal combustion engine |
| 01/03/1989 | US4794895 Sealing arrangement for a rotary slide valve |
| 12/21/1988 | EP0295823A2 Internal combustion engine assembly |
| 12/15/1988 | DE3710824A1 Control plate for controlling the charge cycle in piston engines and pumps |
| 12/08/1988 | DE3715847A1 Brennkraftmaschine Internal combustion engine |
| 12/06/1988 | US4788945 Process and apparatus for controlling a gas evacuation circuit of a rotational distribution motor |
| 11/30/1988 | EP0293335A2 Timing device for reciprocating positive-displacement engines, such as endothermic reciprocating engines, with a rotary valve in the shape of a solid of revolution, particularly a sphere |
| 11/29/1988 | CA1245564A1 Rotating valve for internal combustion engine |
| 11/17/1988 | WO1988008920A1 Internal combustion engine |
| 11/10/1988 | DE3712750A1 Two-stroke internal combustion engine, especially of reciprocating piston type |
| 11/08/1988 | US4782801 Internal combustion motor |
| 10/18/1988 | US4778148 Sealing arrangement for a rotary slide valve |
| 10/18/1988 | US4777917 Rotary valve engine with tandem power and supercharger sections |
| 10/11/1988 | US4776306 Valve operating system for internal combustion engine |
| 10/05/1988 | EP0285539A2 Intake and exhaust system through rotatory ports shaft, in four-stroke motors |
| 10/05/1988 | EP0285363A2 Rotary valves |
| 09/27/1988 | US4773364 Internal combustion engine with rotary combustion chamber |
| 09/15/1988 | DE3706685A1 Method for charging a reciprocating piston internal combustion engine, and reciprocating piston internal combustion engine for this purpose |
| 08/11/1988 | WO1988005859A1 Rotary valve |
| 07/07/1988 | DE3644865A1 Single valve four-stroke internal combustion engine |
| 06/21/1988 | US4751900 Adjustable segmented rotary twin port valve shaft |
| 06/15/1988 | EP0256046A4 Rotary valve for internal combustion engines. |
| 06/02/1988 | WO1988000650A3 Process and device for processing fuel and mixtures in otto engines |
| 06/01/1988 | DE3639280A1 Two-stroke internal combustion engine with applied ignition and scavenging pump, especially for motor vehicles |
| 05/11/1988 | EP0267068A1 Ceramic rotary timing device with intermittent rotary timing for internal-combustion engines, piston compressors or pulse jets |
| 05/10/1988 | US4742802 Rotary valve for control of the cylinder charge change of an internal combustion engine |
| 05/05/1988 | DE3715279A1 Single-valve oscillating rotary slide cylinder head |
| 05/03/1988 | US4741296 Multiple piston expansion chamber engine |
| 04/26/1988 | US4739737 Rotary valve for control of the cylinder charge change of an internal combustion engine |
| 04/26/1988 | US4739615 Internal combustion engine in which compressed fuel mixture is combusted externally of the cylinders of the engine in a rotating combustion chamber |
| 04/07/1988 | WO1988002439A1 Rotary timing device of the discontinuous rotary timing type made of composite ceramic and utilization of said device in internal combustion engines, piston compressors or pulse-operated apparatuses, particularly pulso-jets |
| 04/06/1988 | CN86106958A Reciprocatory machines |
| 03/10/1988 | DE3728190A1 Rotary slide valve for charge cycle control of an internal combustion engine |
| 03/10/1988 | DE3728176A1 Rotary slide valve for charge cycle control of an internal combustion engine |
| 03/09/1988 | EP0258511A1 Rotary valve internal combustion engine |
| 03/01/1988 | CA1233420A1 Rotating valve for internal combustion engine |
| 02/24/1988 | EP0256046A1 Rotary valve for internal combustion engines. |
| 02/04/1988 | DE3624977A1 Gemischaufbereitungs- und zuteilungsverfahren fuer otto-brennkraftmaschinen bestehend aus einem verfahren zur verdampfung von kraftstoffen in verbindung mit einem hochpraezisen dosiersystem zur zuteilung und zufuehrung des gemischs in den brennraum mit gleichzeitiger erzeugung einer schichtladung im zylinder Mixture preparation and allocation process for otto-engine-consisting of a process for evaporation of fuels in connection with a hochpraezisen dosing system for allocation and delivery of the mixture in the combustion chamber with simultaneous generation of a layer charge in the cylinder |
| 01/28/1988 | WO1988000650A2 Process and device for processing fuel and mixtures in otto engines |
| 01/07/1988 | DE3720084A1 Sealing arrangement for a rotary slide |
| 01/07/1988 | DE3720082A1 Sealing arrangement for a rotary slide valve |
| 12/29/1987 | US4715336 Four-stroke internal combustion piston engine |
| 12/29/1987 | US4715328 Multiple piston expansion chamber engine |
| 12/17/1987 | WO1987007694A1 Internal combustion engines |
| 12/02/1987 | EP0247857A2 Rotary valve engine with tandem power and supercharger sections |
| 12/02/1987 | CN86106493A 内燃机 Internal combustion engine |
| 11/26/1987 | DE3617222A1 Valve timing gear |
| 10/22/1987 | DE3608925A1 Charge cycle control for a piston internal combustion engine |
| 10/13/1987 | US4699093 Light weight internal combustion engine with stationary pistons and rotary valves |
| 09/30/1987 | EP0238584A1 Method and device for the control of an exhaust gas circuit of an engine. |
| 09/09/1987 | EP0235228A1 Rotary device for the intake and the exhaust of gases in an engine or a compressor |
| 07/30/1987 | WO1987004489A1 Rotary valve for internal combustion engines |
| 07/29/1987 | CN86107706A Internal compustion engine |
| 07/28/1987 | US4682572 High efficiency performance kinetic occlude system with rotary valve |
| 07/22/1987 | EP0229147A1 Rotating valve device for internal combustion engines |
| 07/02/1987 | WO1987003931A1 Two-stroke cycle engine |
| 07/02/1987 | DE3642455A1 Internal combustion engine operating on the two-stroke principle |