Patents for F01L 7 - Rotary or oscillatory slide-valve gear or valve arrangements (1,661)
10/1999
10/28/1999WO1999054600A1 Internal combustion engine with induction and exhaust disc valves
10/27/1999EP0897458B1 Rotary piston internal combustion engine
10/19/1999US5967108 Rotary valve system
10/19/1999US5967016 Anti-backlash sprag
10/14/1999DE19815739A1 Rotary valve for automotive motor fuel control flow
10/07/1999WO1999050538A1 Conduit gate valve and heat engine equipped therewith
10/05/1999US5960749 Two-cycle internal combustion engine
09/1999
09/29/1999EP0945599A1 Port closing valve and internal combustion engine comprising such a device
09/14/1999US5950581 Two-cycle internal combustion engine
09/08/1999EP0851973A4 Rotary valve for internal combustion engine
08/1999
08/24/1999US5941206 Rotary valve for internal combustion engine
08/04/1999CN1225150A Two-stroke engine operation method and internal combustion two-stroke engine
06/1999
06/15/1999US5911203 Modular rotary discoid valve assembly for engines and other applications
06/05/1999CA2255022A1 Valve assembly using pressurized medium for controlling operating conditions of a two-stroke engine
06/05/1999CA2223770A1 Valve assembly using pressurized medium for controlling operating conditions of a two-stroke engine
06/01/1999US5908016 Carbon fiber reinforced carbon composite rotary valves for internal combustion engines
05/1999
05/25/1999US5906180 Rotary valve assembly for an internal combustion engine
05/12/1999EP0915238A2 Internal combustion engine with slot-type gas distribution
05/04/1999US5899177 Four-cycle marine engine
04/1999
04/28/1999EP0911501A1 Two-stroke engine operation method and internal combustion two-stroke engine
04/21/1999EP0850352B1 Internal combustion engine with crankcase pressure barrier
04/14/1999EP0635095B1 Rotary slide valve
04/01/1999WO1999015766A1 Improved rotary valve internal combustion engine
03/1999
03/31/1999CN2312328Y Rotary type sliding valve air filling mechanism
03/24/1999CN2311607Y Gas distribution mechanism for reciprocating piston type internal combustion engine
03/18/1999DE19740688A1 Valve arrangement for internal combustion engine
03/17/1999CN1211299A Rotary piston internal combustion engine
03/09/1999US5878707 Rotary valve internal combustion engine
03/02/1999US5875744 Rotary and reciprocating internal combustion engine and compressor
02/1999
02/24/1999EP0897458A1 Rotary piston internal combustion engine
02/16/1999US5870980 Stepped piston internal combustion engine
01/1999
01/20/1999EP0891478A1 A valve system in a rotary radial-piston engine
01/20/1999EP0648314B1 Method and devices for controlling the combustion of a four-stroke engine
01/14/1999WO1999001644A1 Rotary valve for internal combustion engines
01/14/1999CA2333672A1 Rotary valve for internal combustion engines
01/13/1999EP0890719A1 Stepped piston internal combustion engine
01/05/1999US5855189 Exhaust controller for internal combustion engine
12/1998
12/30/1998EP0886723A1 Internal combustion engine with compressed air ignition equipped with rotating distributors
12/30/1998CN1041451C Improved spherical rotary valve assembly for use in rotary valve IC engine
12/16/1998CN1202217A Rotary valve control system for IC engines and reciprocating pumps
12/02/1998CN1200433A Two stroke internal combustion engine
12/02/1998CN1200432A Two stroke circulation internal combustion engine
11/1998
11/24/1998US5839399 Cartridge-type rotary valve
11/24/1998CA2232881A1 Two-cycle internal combustion engine
11/12/1998WO1998050691A1 A valve system in a rotary radial-piston engine
11/11/1998EP0877154A2 Internal combustion engine provided with rotary sleeve timing system
11/05/1998WO1998049430A1 A rotary and reciprocating internal combustion engine and compressor
11/05/1998CA2289261A1 A rotary and reciprocating internal combustion engine and compressor
11/04/1998EP0776423B1 Two-stroke engine with spark ignition
11/03/1998US5829394 Exhaust controller for spark ignition type two stroke internal combustion engine
10/1998
10/29/1998WO1998003050A3 Internal combustion engine with slot-type gas distribution
10/29/1998DE19803185A1 Valve system for internal combustion engine
10/28/1998EP0873468A1 Rotary valve control system for internal combustion engines and reciprocating pumps
10/22/1998WO1998046865A1 Cylinder head for internal combustion engine with rotating valves
10/22/1998DE19715888A1 Four-stroke internal combustion engine with control system for gas flow
10/06/1998US5816203 Rotary valve internal combustion engine
09/1998
09/09/1998CN1192503A Cylindrical valve for gaseous medium
08/1998
08/24/1998CA2198330A1 Liquid cooled rotary valve cover
08/13/1998DE19806175A1 Internal combustion engine
08/06/1998WO1998034018A1 Plunger combustion engine
08/05/1998CN1189575A Self-cooling column air valve
07/1998
07/29/1998CN1039360C Roller valve type 4-stroke I. C. engine distribution mechanism
07/23/1998WO1998031924A1 Internal combustion engine with compressed air ignition equipped with rotating distributors
07/08/1998EP0851973A1 Rotary valve for internal combustion engine
07/01/1998EP0850352A1 Internal combustion engine with crankcase pressure barrier
06/1998
06/30/1998US5771849 Internal combustion engine with crankcase pressure barrier
06/17/1998EP0750719B1 Internal combustion engine having rotary distribution valves
05/1998
05/13/1998EP0746673B1 Rotary valve with sealing means
05/13/1998EP0673471B1 Lubrication system for rotary valve
05/13/1998CN1038355C Internal combustion engine with axial rotating intake and exhaust valves
04/1998
04/29/1998EP0838581A1 Internal combustion engine
04/29/1998CN1180132A Rotary columa type distributing device for engine
04/14/1998US5738051 Four-cycle marine engine
04/01/1998EP0832348A1 A valve system in a rotary radial-piston engine
03/1998
03/19/1998WO1998011329A1 Rotary valve system
03/18/1998EP0829627A2 Gas engine with rotary gate valve
03/12/1998DE19735934A1 Rotary valve for internal combustion engine, especially four stroke
03/12/1998DE19614733C1 Control device for two=stroke engine outlet valve
03/10/1998US5724926 Rotary valve assembly for an internal combustion engine
02/1998
02/24/1998US5720241 Rotary cylinder engine
01/1998
01/29/1998WO1998003050A2 Internal combustion engine with slot-type gas distribution
01/27/1998US5711265 In an internal combustion engine
01/22/1998WO1998002651A1 Two-stroke engine operation method and internal combustion two-stroke engine
01/21/1998EP0706607B1 Gas sealing system for rotary valves
01/21/1998EP0694116B1 Rotary valve with seal supporting tongue
01/21/1998CN1170846A Rotary combustion chamber and air valve device and variable air distribution mechanism
01/21/1998CN1170816A Exhaust gas cotnroller for spark igniting two-stroke internal combustion engine
01/15/1998DE19626857A1 Rotary valve for internal combustion engine
01/14/1998CN1170081A Exhaust controller sparkling two stroke IC engine
01/13/1998US5706775 Rotary valve apparatus for internal combustion engines and methods of operating same
12/1997
12/10/1997EP0745179A4 Internal combustion engine rotary valve assembly having variable intake valve timing
11/1997
11/25/1997US5690069 Internal combustion engine having rotary distribution valves
11/13/1997WO1997042403A1 Valve-free cylinder head for four-stroke internal combustion engines
11/13/1997WO1997042398A1 Rotary piston internal combustion engine
10/1997
10/23/1997WO1997039225A1 Rotary valve apparatus for internal combustion engines and methods of operating same
10/23/1997DE19615238A1 Internal combustion engine with load regulator
10/09/1997WO1997037114A1 A valve system in a rotary radial-piston engine
10/08/1997EP0799978A2 Two stroke internal combustion engine with crosshead and comprising rotary sleeve distribution
10/08/1997CN2264250Y Rotary column distribution device of engine
10/07/1997US5673663 Non-valve engine device and method of controlling the same
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