| Patents for F01L 7 - Rotary or oscillatory slide-valve gear or valve arrangements (1,661) |
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| 09/02/2004 | WO2004040177A3 Valve seal for rotary valve engine |
| 09/01/2004 | CN1525051A Valve mechanism of pneumatic automobile engine |
| 08/31/2004 | US6782850 Two stroke engine having reduced height pistons |
| 08/26/2004 | WO2004072448A2 Air injection engine |
| 08/26/2004 | CA2514744A1 Air injection engine |
| 08/24/2004 | US6779925 Bearing assembly |
| 08/24/2004 | US6779504 Spherical rotary intake valve for spherical rotary valve engine assembly |
| 08/19/2004 | WO2004070239A2 Pneumatically actuated valve for internal combustion engines |
| 08/19/2004 | WO2004061272A3 Rotary valve and valve seal assembly for rotary valve engine having hemispherical combustion chambers |
| 08/19/2004 | US20040159293 Rotary valve and valve seal assembly for rotary valve engine having hemispherical combustion chambers |
| 08/19/2004 | DE10304627A1 Gas exchange controller for internal combustion engine has rotary cylinders that form working or combustion chambers with sealing rollers rotatably mounted between cylinders, opposed piston structure |
| 08/12/2004 | WO2004067919A2 Cylinder head for internal combustion engines |
| 08/04/2004 | CN1517184A Valve mechanism for enlongating combustion chambers |
| 07/29/2004 | US20040144361 Valve timing mechanism for a rotary valve internal combustion engine |
| 07/28/2004 | CN2628731Y One-way rotary distribution apparatus |
| 07/22/2004 | WO2004061272A2 Rotary valve and valve seal assembly for rotary valve engine having hemispherical combustion chambers |
| 07/21/2004 | EP1439036A2 Valve mechanisms for elongated combustion chambers |
| 07/20/2004 | US6763788 Variable timing mechanism for a rotary valve |
| 07/15/2004 | WO2004059132A1 A sealing apparatus of rotary valve-flap type valve mechanism for an internal combustion engine |
| 07/14/2004 | EP1437482A1 Opposed pistons engine in only one rotating cylinder |
| 07/14/2004 | EP1285158A4 Variable timing mechanism for a rotary valve |
| 06/30/2004 | CN1508401A Sealing structure of rotating valve block distribution mechanism for internal combustion engine |
| 06/29/2004 | US6755171 Twin rotary valves for a four stroke internal combustion engine |
| 06/29/2004 | US6755159 Valve mechanisms for elongated combustion chambers |
| 06/29/2004 | US6755022 Turbo-charged internal combustion engine with in-cylinder EGR and injection rate shaping |
| 06/24/2004 | WO2004053366A2 Spherical rotary intake valve in an engine |
| 06/24/2004 | DE10257046A1 Drehschieberdichtung Rotary valve seal |
| 06/24/2004 | DE10222751B4 Viertakt-Verbrennungsmotor, Kurbeltrieb für einen Verbrennungsmotor sowie Mehrzylinder-Verbrennungsmotor Four-stroke internal combustion engine, crank mechanism for an internal combustion engine and multi-cylinder internal combustion engine |
| 06/16/2004 | EP1428990A1 Rotary valve sealing means |
| 06/10/2004 | WO2004048789A2 Bearing assembly |
| 06/10/2004 | US20040107937 Spherical rotary intake valve for spherical rotary valve engine assembly |
| 05/27/2004 | US20040101219 Bearing assembly |
| 05/27/2004 | US20040099236 Spherical rotary engine valve assembly |
| 05/13/2004 | WO2004040177A2 Valve seal for rotary valve engine |
| 05/13/2004 | DE20314605U1 Double ball head controller for replacing valves in combustion engines has housing for two control balls and e.g. drive shafts or similar, gas inlet and outlet, can be controlled by e.g. control chain |
| 04/29/2004 | US20040079314 Valve seal for rotary valve engine |
| 04/22/2004 | WO2004015246A9 Improvements in or relating to internal combustion engines |
| 04/13/2004 | US6718933 Valve seal for rotary valve engine |
| 04/01/2004 | WO2004027222A1 Control device and method for adjusting the angular velocity ratio between a camshaft and a crankshaft |
| 04/01/2004 | US20040060539 Direct injection type internal combustion engine |
| 04/01/2004 | US20040060532 Piston valve internal combustion engine |
| 03/31/2004 | CN2608691Y Air inlet and exhaust device of round valve engine |
| 03/24/2004 | EP1399648A1 Valve timing mechanism for a rotary valve internal combustion engine |
| 03/18/2004 | WO2004022945A1 Reciprocating piston engine and piston therefor |
| 03/18/2004 | WO2003076796A3 Rotating roller as a valve in the head of internal combustion engine |
| 03/18/2004 | US20040050356 Stotler radial rotary piston engine |
| 03/18/2004 | DE20314365U1 Rotary valve internal combustion engine has spherical valve drive with variable timing and flap valves to control |
| 03/18/2004 | DE10242985A1 Valve system for IC engine has segment shaped rotating inlet and exhaust valves on a common shaft and connecting with inlet and exhaust ducts |
| 03/18/2004 | DE10242659A1 Control system adjusting angular velocity ratio between engine cam- and crank shafts, includes controller operating drive unit and brake for cam shaft |
| 03/11/2004 | WO2004020801A1 Fourstroke-engine with nonconstant compression |
| 03/04/2004 | WO2004018853A1 Improvement in a 4-stroke internal combustion engine |
| 02/26/2004 | DE10247196A1 Reciprocating piston internal combustion engine has exhaust valve connecting working chamber to exhaust passage in region of piston's BDC position, and piston passes over exhaust port during movement into BDC position |
| 02/25/2004 | CN1477293A Rotary double-cavity hollow shaft aspirating (exhausting) method for four-stroke internal combustion engine |
| 02/24/2004 | US6694942 Four-stroke engine with rotary valve control |
| 02/24/2004 | US6694932 Valve assembly with swinging valve face moving out of the fluid path |
| 02/19/2004 | WO2004015246A1 Improvements in or relating to internal combustion engines |
| 02/17/2004 | US6691664 Direct port rotary valve mechanism with variable timing for internal combustion engines |
| 02/12/2004 | DE20306115U1 Valve system for IC engine has a single rotating shaft with valve recesses set through the top of the cylinder |
| 02/05/2004 | WO2004011779A1 Spherical rotary engine valve assembly |
| 02/05/2004 | DE10232816A1 Rotary valve for gas exchange, at an IC motor or compressor, has a twin-wall drive tube with a funnel shape, and a coolant oil/liquid flow between the walls to ensure sealing and cooling |
| 02/04/2004 | CN1472424A Rotary hollow axial inlet (outlet) IC engine for increasing pressure and lowering temperature |
| 01/29/2004 | WO2004009977A1 Intercooling and heat-regenerating two-stroke engine |
| 01/15/2004 | US20040008853 Electroactive polymer devices for moving fluid |
| 01/08/2004 | DE10222751A1 Viertakt-Verbrennungsmotor, Kurbeltrieb für einen Verbrennungsmotor sowie Mehrzylinder-Verbrennungsmotor Four-stroke internal combustion engine, crank mechanism for an internal combustion engine and multi-cylinder internal combustion engine |
| 01/07/2004 | CN1133800C Engine exhaust system |
| 12/31/2003 | CN2596021Y Rotating valve air taking-in and exhaust mechanism of pneumatic automobile engine |
| 12/24/2003 | WO2003107523A1 Electroactive polymer devices for controlling fluid flow |
| 12/23/2003 | US6666458 Valve seal for rotary valve engine |
| 12/18/2003 | US20030230258 Two-stroke engines exhaust and scavenge control |
| 12/17/2003 | CN1461875A Variable gas distribution mechanism and rotary combustion chamber and air valve device |
| 12/10/2003 | CN2591232Y Sealing structure for internal combustion engine rotary valve block type distribution mechanism |
| 12/04/2003 | WO2003100232A1 Rotary valve seal |
| 11/27/2003 | WO2003098004A1 Rotary combustion engine |
| 11/25/2003 | US6651605 Rotary valve for piston engine |
| 10/30/2003 | US20030200950 Rotary valve structure for four-stroke engine |
| 10/29/2003 | CN2583363Y Piston compensation rotary valve air inlet and exhaust engine |
| 10/29/2003 | CN1452693A Improved cooling system for rotary valve engine |
| 10/21/2003 | US6634333 Direct injection type internal combustion engine |
| 10/15/2003 | CN1124401C Gas distribution mechanism with rotary conic valve |
| 10/02/2003 | WO2003081762A1 Electroactive polymer devices for moving fluid |
| 10/02/2003 | DE10206331C1 Gas changing device for IC engine has feed line for fuel/air mixture and vent line for exhaust gases communicating with combustion space via slits in rotated aperture disc |
| 09/25/2003 | WO2003078805A1 Internal combustion engine comprising rotary valves |
| 09/18/2003 | WO2003076796A2 Rotating roller as a valve in the head of internal combustion engine |
| 09/17/2003 | CN2573683Y Air valve opening and closing device for four-stroke IC engine |
| 08/28/2003 | US20030160393 Valve seal for rotary valve engine |
| 08/28/2003 | US20030159441 Turbo-charged internal combustion engine with in-cylinder EGR and injection rate shaping |
| 08/28/2003 | CA2420305A1 A turbo-charged internal combustion engine with in-cylinder egr and injection rate shaping |
| 08/21/2003 | WO2003069194A2 Improved valve seal for rotary valve engine |
| 08/21/2003 | CA2474598A1 Improved valve seal for rotary valve engine |
| 08/13/2003 | CN1436277A Compressed air assisted fuel injection system with reflection wave and variable restriction injection port |
| 08/05/2003 | US6601379 Internal combustion engine |
| 07/31/2003 | WO2003062615A1 Engine and crank housing |
| 07/23/2003 | CN1431390A Exhaust system of engine |
| 07/22/2003 | US6595177 Rotary sleeve port for an internal combustion engine |
| 07/10/2003 | WO2003056143A1 Cylinder head |
| 06/26/2003 | US20030116108 Variable timing mechanism for a rotary valve |
| 06/18/2003 | CN1424491A Rotary valve air inlet and outlet devices of pneumatic vehicle engine |
| 06/17/2003 | US6578538 Rotary valve for piston engine |
| 06/12/2003 | US20030106517 Rotary valve for piston engine |
| 06/12/2003 | US20030106506 Piston engine |