| Patents for F01L 7 - Rotary or oscillatory slide-valve gear or valve arrangements (1,661) |
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| 10/18/2001 | US20010029918 Rotary valve head system for multi-cylinder internal combustion engines |
| 10/17/2001 | EP1144809A2 Improvements in rotary valves |
| 10/17/2001 | CN1317628A Gas distribution mechanism with rotary conic valve |
| 10/16/2001 | US6302079 Dual ignition and controlled intake rotary motor and method of operation |
| 10/11/2001 | US20010027758 Exhaust valve device for two-cycle engine |
| 10/02/2001 | US6295961 Internal combustion rotating spherical head and valve |
| 09/27/2001 | US20010023677 Direct injection type internal combustion engine |
| 09/25/2001 | US6293242 Rotary valve system |
| 09/20/2001 | WO2001069063A1 Piston engine |
| 09/20/2001 | DE10005388A1 Piston engine controlling process, involving measuring differential pressure in induction phase and opening induction valve at set differential pressure |
| 09/19/2001 | EP1134381A1 Piston machine |
| 09/13/2001 | US20010020693 Cylinder head unit with roll-type rotary slide valve |
| 09/13/2001 | DE10011154A1 Cylinder head has rotary valve made of austenitic cast iron, and bore housing rotary valve is at least partially coated in region of running surface for rotary valve |
| 09/12/2001 | EP1132579A1 Cylinder head with rotary valve |
| 08/30/2001 | DE10007835A1 Drehschieber Einlass-Ausslass-Steuerung für 4-Taktmotor Rotary vane inlet Ausslass control for 4-stroke engine |
| 08/16/2001 | WO2001059266A1 Device and method for controlling a piston engine |
| 08/16/2001 | EP1123456A2 Engine with crankcase compression |
| 08/14/2001 | US6273038 Rotary distribution system internal combustion engine |
| 08/14/2001 | US6273036 Exhaust control valve assembly for an engine |
| 08/09/2001 | DE10004167A1 Luft- oder Gasmotor Air or gas engine |
| 08/02/2001 | US20010010211 Operating method of an internal combustion engine and corresponding internal combustion engine |
| 07/25/2001 | CN1068926C Exhaust gas controller for spark igniting two-stroke internal-combustion engine |
| 07/18/2001 | CN1303991A Rotary valve admission gear |
| 07/10/2001 | US6257191 Rotary valve system |
| 07/05/2001 | DE10058200A1 Combustion engine design, requires the valves being fitted with several mutually parallel washers or discs each with at least one opening |
| 07/03/2001 | US6253718 Exhaust control valve assembly for an engine |
| 06/20/2001 | CN1299920A Global rotating air valve mechanism |
| 06/19/2001 | CA2198311C Compressible tube fluid flow device |
| 06/14/2001 | WO2001042628A1 Rotary valve head system for multi-cylinder internal combustion engines |
| 06/12/2001 | US6244227 Valve assembly using pressurized medium for controlling operating conditions of a two-stroke engine |
| 05/31/2001 | WO2001038705A1 Four-stroke engine with rotary valve control |
| 05/29/2001 | US6237556 Rotary valve for internal combustion engines |
| 05/17/2001 | DE19954438A1 Head piston for IC engines is opposed to working piston within cylinder, with constant/variable volume combustion chamber formed between pistons |
| 05/02/2001 | EP1095210A1 Charge control device for and method for controlling the functioning of a reciprocating internal combustion engine |
| 04/26/2001 | WO2001029378A1 Anti-backlash sprag |
| 04/26/2001 | CA2388368A1 Anti-backlash sprag |
| 04/19/2001 | DE19949857A1 Viertaktverbrennungsmotor mit einem Drehschieberventil Four-stroke internal combustion engine with a rotary valve |
| 04/18/2001 | EP1092842A1 Four stroke engine with rotary valve |
| 03/27/2001 | US6205960 Rotary and reciprocating internal combustion engine and compressor |
| 03/15/2001 | DE19943305A1 Cylinder head with valve system for IC engines with one opening into combustion chamber for each cylinder, sealed by plate valve with associated regulator element |
| 03/07/2001 | CN2422450Y Valve actuating mechanism for internal-combustion engine |
| 03/01/2001 | DE19933925A1 Rotary slide for gas exchange control in IC engines has stepping drive to turn it during change in cycle |
| 02/15/2001 | WO2001011204A1 Gas exchange rotary valve for an internal combustion engine |
| 02/08/2001 | WO2000071858A3 Rotary valve systems |
| 01/31/2001 | EP0915238A4 Internal combustion engine with slot-type gas distribution |
| 01/25/2001 | DE19930150A1 Gas exchange control device for IC engines has control tube at right angles to cylinder axis with aperture close/open connection between cylinder and intake/outlet |
| 12/28/2000 | DE19957180A1 Internal combustion engine gas change systems move seal to open and close gas orifice as function of chamber pressure with valve base cylinder head and seal forming controllable opening gap. |
| 12/28/2000 | DE19957179A1 Internal combustion engine gas change system involves coaxially boxed gas change channels controlled by movable seals as function of pressure in chamber. |
| 12/28/2000 | DE19957153A1 Internal combustion engine gas change system centers round channel seal movement patterns relative internal chamber pressure force exerted on seal. |
| 12/28/2000 | DE19957148A1 Internal combustion gas change system uses movable gas change channel seal relative chamber force load and includes actuators linked by energized windings to seal. |
| 12/28/2000 | DE19957147A1 Internal combustion engine gas change system includes valve base connected to engine and seal and cylinder head to form opening gap with auxiliary injection or cooling or metering systems. |
| 12/27/2000 | CN1278038A Engine exhaust system |
| 12/26/2000 | US6164251 V-shaped plural cylinder two-cycle engine |
| 12/19/2000 | US6161508 Valve system in a rotary radial-piston engine |
| 12/12/2000 | US6158465 Rotary valve assembly for engines and other applications |
| 12/07/2000 | WO2000073632A1 Rotary valve arrangement for an internal combustion engine |
| 12/07/2000 | DE19918504A1 Piston engine with real constant volume combustion has compression, combustion, expansion in separate time-sequence chambers |
| 12/05/2000 | US6155215 Rotary valve internal combustion engine |
| 11/30/2000 | WO2000071858A2 Rotary valve systems |
| 11/30/2000 | DE19924396A1 Drehschieber zur Ladungssteuerung einer Brennkraftmaschine Rotary valve for controlling the charge of an internal combustion engine |
| 11/29/2000 | EP1055802A2 Rotary valve for internal combustion engine |
| 11/14/2000 | US6145483 Two-cycle internal combustion engine |
| 11/02/2000 | DE19920023A1 Valve drive for IC engines consists of bar with row of curved moveable and non-moveable disc elements |
| 11/01/2000 | CN2403897Y Rotary valve of engine |
| 10/26/2000 | DE19916853A1 Brennkraftmaschine Internal combustion engine |
| 10/19/2000 | WO2000061928A1 Internal combustion engine |
| 10/19/2000 | DE10002585A1 Internal combustion engine, compressor or pump has rotary sliders directly driven by outer gearing controlling channels and rotating around cylinder axes |
| 09/30/2000 | CA2267882A1 'arvs' or attain's rotoport valve systems |
| 09/21/2000 | DE10011321A1 Rotary valve internal combustion engine has valves formed by rotary flow tubes extending across cylinder head |
| 09/20/2000 | CN2397260Y Flow divider assembly for engine |
| 09/19/2000 | US6119640 Internal combustion engine with slot-type gas distribution |
| 09/13/2000 | EP0911501A4 Two-stroke engine operation method and internal combustion two-stroke engine |
| 08/17/2000 | DE19906166A1 Gas exchange control for four-stroke engine, with shaft having grooves in it to control induction and exhaust |
| 08/08/2000 | US6098579 Carbon fiber reinforced carbon composite rotary valve for an internal combustion engine |
| 08/01/2000 | US6095106 Cyclo-valve for internal combustion engines |
| 07/20/2000 | WO2000042299A1 Rotary-disk valve system for internal combustion engine |
| 06/22/2000 | WO2000036277A1 Engines |
| 05/31/2000 | EP1003956A1 Rotary valve for internal combustion engines |
| 05/25/2000 | WO2000017500A3 Engine with crankcase compression |
| 05/23/2000 | US6065432 Two-stroke engine operation method and internal combustion two-stroke engine |
| 05/02/2000 | US6055953 Gas engine having roller-shaped rotary slide valve |
| 04/06/2000 | WO2000019066A2 Improvements in rotary valves |
| 03/30/2000 | WO2000017502A1 Operating method of an internal combustion engine and corresponding internal combustion engine |
| 03/30/2000 | WO2000017500A2 Engine with crankcase compression |
| 03/30/2000 | DE19843567A1 Arbeitsverfahren eines Verbrennungsmotors und Verbrennungsmotor Working procedures of an internal combustion engine and internal combustion engine |
| 03/30/2000 | CA2344580A1 Engine with crankcase compression |
| 03/09/2000 | DE4447688C2 Verbrennungsmotor Combustion engine |
| 03/01/2000 | CN1049948C Fuel-air mixture feed device for two-stroke internal combustion engine |
| 02/29/2000 | US6029617 Modular rotary discoid valve assembly for engines and other applications |
| 02/24/2000 | WO2000009865A1 A valve device for an internal combustion engine |
| 02/16/2000 | EP0979348A1 A rotary and reciprocating internal combustion engine and compressor |
| 01/20/2000 | WO2000003131A1 Charge control device for and method for controlling the functioning of a reciprocating internal combustion engine |
| 01/13/2000 | DE19830575A1 Ladungssteuervorrichtung für eine sowie Verfahren zum Steuern des Betriebs einer Hubkolbenbrennkraftmaschine Charge control apparatus for a method as well as for controlling the operation of a reciprocating internal combustion engine |
| 12/28/1999 | US6006714 Self-sealing rotary aspiration system for internal combustion engines |
| 12/23/1999 | DE19827301A1 Device for control of gas exchange in combustion chamber of internal combustion engine |
| 12/21/1999 | US6003486 Radial vane rotary internal combustion engine |
| 12/14/1999 | CA2115502C Spherical rotary valve assembly for use in a rotary valve internal combustion engine |
| 12/07/1999 | US5996544 Rotary valve control system for internal combustion engines and reciprocating pumps |
| 11/23/1999 | US5988133 Engine disc valve |
| 11/02/1999 | US5974943 Variable stroke motor and valve |