| Patents for F01L 7 - Rotary or oscillatory slide-valve gear or valve arrangements (1,661) |
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| 06/11/2003 | EP1317622A1 Improved cooling system for rotary valve engine |
| 06/05/2003 | WO2003046341A1 Spheroidal rotary valve for combustion engines |
| 06/05/2003 | DE19933925C2 Drehschieber zur Gaswechselsteuerung bei Brennkraftmaschinen Rotary valve for gas exchange control in internal combustion engines |
| 05/21/2003 | CN1109180C Rotary combustion chamber and air valve device and variable air distribution mechanism |
| 05/14/2003 | CN1418285A Piston engine |
| 05/02/2003 | EP0873468B1 Rotary valve control system for internal combustion engines and reciprocating pumps |
| 04/30/2003 | CN1414221A Piston compensated rotating valve intake and exhaust engine |
| 04/23/2003 | EP1304449A1 Internal combustion engine with rotary valves |
| 04/23/2003 | EP1304448A1 Internal combustion engine with rotary valves |
| 04/23/2003 | CN2546634Y Rotary air door internal combustion engine |
| 04/22/2003 | US6550443 Radial vane rotary internal combustion engine |
| 03/27/2003 | US20030056739 Valve assembly with swinging valve face moving out of the fluid path |
| 03/25/2003 | US6536386 Assist gas fuel injection mechanism for 2-cycle internal combustion engine |
| 03/11/2003 | US6530349 Two-cycle internal combustion engine |
| 03/05/2003 | EP1287243A1 Compressed air assisted fuel injection system with reflection wave and variable restriction injection port |
| 02/26/2003 | EP1285158A1 Variable timing mechanism for a rotary valve |
| 02/05/2003 | EP1281839A2 Rotary valve arrangement for the charge control of an internal combustion engine |
| 02/04/2003 | US6513475 Rotary valve internal combustion engine |
| 02/04/2003 | US6513466 Two-stroke engine |
| 02/04/2003 | US6513464 Two cycle stratified charge gasoline engine |
| 01/29/2003 | CN2533269Y Shaft type air distribution mechanism of four stroke engine |
| 01/16/2003 | DE20213689U1 Modified cylinder head for reciprocating piston internal combustion engines has combustion air fed through telescopic-type double tube of metal or carbon which rotates in channel-form cutout in cylinder head |
| 01/15/2003 | EP0745179B1 Internal combustion engine rotary valve assembly having variable intake valve timing |
| 01/09/2003 | US20030006669 Rolled electroactive polymers |
| 12/27/2002 | WO2002103168A1 2-cycle internal combustion engine |
| 12/25/2002 | CN1097146C Two stroke circulation IC engine |
| 12/12/2002 | WO2002079613A3 Rotary valve for piston engine |
| 12/12/2002 | DE10127988A1 Operating method for 2-stroke engines esp. with turbochargers with action of scavenging pump used to generate pre-compressed scavenging air, has buffer store communicating with crankcase |
| 12/05/2002 | WO2002097244A1 Valve timing mechanism for a rotary valve internal combustion engine |
| 11/27/2002 | EP1095210B1 Charge control device for and method for controlling the functioning of a reciprocating internal combustion engine |
| 11/27/2002 | CN1095026C Rotary piston internal-combustion engine |
| 11/06/2002 | CN1378616A Anti-back rotation overrunning clutch |
| 11/05/2002 | EP1003956A4 Rotary valve for internal combustion engines |
| 10/30/2002 | CN2519023Y Revolving spindle type distributing valve for engine |
| 10/24/2002 | US20020152983 Rotary valve internal combustion engine |
| 10/17/2002 | US20020148428 Direct port rotary valve mechanism with variable timing for internal combustion engines |
| 10/17/2002 | US20020148420 Engine airflow management system |
| 10/10/2002 | WO2002079613A2 Rotary valve for piston engine |
| 10/08/2002 | US6460494 Compressed air assisted fuel injection system with reflection wave and variable restriction injection port |
| 10/03/2002 | US20020139342 Rotary valve for piston engine |
| 09/26/2002 | US20020134325 Two stroke engine having reduced height pistons |
| 09/25/2002 | EP1242726A1 Internal combustion engines |
| 09/25/2002 | EP1242721A1 Internal combustion engine with valve control |
| 09/24/2002 | US6453793 Sprag motor |
| 09/12/2002 | DE19918504C2 Verfahren zum Betreiben eines Verbrennungsmotors A method of operating an internal combustion engine |
| 09/12/2002 | DE10204485A1 Gas change control for four-stroke combustion engine has high pressure shut off members in each intake and exhaust duct of each cylinder |
| 09/04/2002 | EP1236875A2 Charge control device for and method for controlling the functioning of a reciprocating internal combustion engine |
| 09/03/2002 | US6443116 Valve device for an internal combustion engine |
| 09/03/2002 | US6443110 Rotary valve head system for multi-cylinder internal combustion engines |
| 08/07/2002 | CN1088796C 二冲程内燃机 Two-stroke internal combustion engine |
| 07/25/2002 | WO2002057607A1 Internal combustion engine |
| 07/17/2002 | EP1222368A1 Anti-backlash sprag |
| 07/11/2002 | WO2000019066A3 Improvements in rotary valves |
| 07/11/2002 | EP1144809A3 Improvements in rotary valves |
| 07/09/2002 | US6415756 Spherical rotary engine valve |
| 07/09/2002 | US6415748 Exhaust control system in two-cycle internal combustion engine |
| 07/04/2002 | DE10100054A1 Conventionally-valved, directly- or indirectly-injected, diesel or petrol four-stroke engine, has tangential entry port for flushing air, promoting intense swirl in charge |
| 06/26/2002 | CN1086772C Two-stroke engine operation method and internal combustion two-stroke engine |
| 06/18/2002 | US6405691 Piston valve for two-stroke engine |
| 06/06/2002 | DE10059269A1 Motorsteuerungs-Verfahren und -Vorrichtung zur verlustminimierten und füllungsoptimierten aktiven Motorsteuerung von Verbrennungsmotoren Motor control method and apparatus for filling and loss-minimizing optimized active engine control of internal combustion engines |
| 05/29/2002 | CN1351222A Distributing valve for intercooling or heat-return two-stroke IC engine |
| 05/28/2002 | US6394049 Exhaust valve device for two-cycle engine |
| 05/21/2002 | US6390048 Valve apparatus for internal combustion engine |
| 05/16/2002 | DE10055460A1 Charge exchange valve for piston engines has inner and outer tubular bodies with radial passages which coincide during relative coaxial rotation of same |
| 04/30/2002 | US6378481 Four-stroke internal combustion engine with a rotary-spool valve |
| 04/25/2002 | US20020046716 Assist gas fuel injection mechanism for 2-cycle internal combustion engine |
| 04/11/2002 | WO2002029215A1 Valve arrangement for internal combustion engine |
| 03/26/2002 | US6360719 Charge control device for and method for controlling the functioning of a reciprocating internal combustion engine |
| 03/14/2002 | WO2002020979A1 Improved cooling system for rotary valve engine |
| 03/13/2002 | EP0851973B1 Rotary valve for internal combustion engine |
| 03/06/2002 | EP1184549A2 Assist gas fuel injection mechanism for 2-cycle internal combustion engine |
| 03/06/2002 | CN2480552Y Gas distribution mechanism with rotary conic valve |
| 02/26/2002 | US6349696 Rotary piston internal combustion engine |
| 02/07/2002 | US20020014218 Multiple cylinder rotary motor and method of operation |
| 02/07/2002 | DE10035884A1 Rotary sleeve system for gas exchange control in piston engine, has spacing sleeve positioned at appropriate distance between cylindrical jacket and rotary sleeve, forming a window inbetween |
| 01/31/2002 | DE10034679A1 Method for sealing inlet manifold valve for IC engine has a ring shaped membrane attached to the sealing ring and clamped into the manifold flange |
| 01/30/2002 | EP0979348A4 A rotary and reciprocating internal combustion engine and compressor |
| 01/24/2002 | US20020007807 Two-cycle internal combustion engine |
| 01/17/2002 | DE10032721A1 Dichtungssystem Sealing system |
| 01/10/2002 | US20020002958 Exhaust control system in two-cycle internal combustion engine |
| 01/09/2002 | EP1170467A1 Sealing arrangement |
| 01/03/2002 | US20020000211 Two-stroke engine |
| 01/03/2002 | DE10030969A1 Zweitaktmotor mit Spülvorlage Two-stroke engine with stratified scavenging |
| 01/02/2002 | EP1165943A1 Device and method for controlling a piston engine |
| 12/27/2001 | WO2001098637A1 Internal combustion engine producing reduced emissions in the 360° cycle |
| 12/19/2001 | CN2466354Y Rotary air valve engine |
| 12/13/2001 | WO2001094763A1 Compressed air assisted fuel injection system with reflection wave and variable restriction injection port |
| 12/13/2001 | CA2405588A1 Compressed air assisted fuel injection system with reflection wave and variable restriction injection port |
| 12/06/2001 | WO2001092705A1 Variable timing mechanism for a rotary valve |
| 12/05/2001 | CN1075868C Exhaust controller for spark-ignition two stroke IC engine |
| 11/28/2001 | CN2462076Y Shaft chamber fan-like clack valve actuating mechanism |
| 11/27/2001 | US6321699 Spheroidal rotary valve for combustion engines |
| 11/20/2001 | US6318335 Operating method of an internal combustion engine and corresponding internal combustion engine |
| 11/08/2001 | DE10109370A1 Brennkraftmaschine mit Direkteinspritzung Internal combustion engine with direct injection |
| 10/31/2001 | DE10020514A1 Cam disk control for internal combustion engine is applied to four-stroke engine |
| 10/30/2001 | US6308677 Overhead rotary valve for engines |
| 10/30/2001 | US6308676 Cooling system for rotary valve engine |
| 10/30/2001 | US6308611 Variable stroke motor and valve |
| 10/24/2001 | EP1147295A1 A valve device for an internal combustion engine |
| 10/24/2001 | CN1319159A Engine with crankcase compressor |