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Class Information
Number: 123/190.8
Name: Internal-combustion engines > Valve > Rotary > Double function type > In horizontal plane above cylinder
Description: Apparatus wherein the rotary valve lies in a plane which is perpendicular to the cylinder axis and located over the top of the cylinder.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7287496 |
Combustion engine valve system |
Oct. 30, 2007 |
| 7121247 |
Spherical rotary engine valve assembly |
Oct. 17, 2006 |
| 7111603 |
Heli-shaft |
Sep. 26, 2006 |
| 7089893 |
Combustion engine valve system |
Aug. 15, 2006 |
| 6994067 |
Valve timing mechanism for a rotary valve internal combustion engine |
Feb. 7, 2006 |
| 6763788 |
Variable timing mechanism for a rotary valve |
Jul. 20, 2004 |
| 6694942 |
Four-stroke engine with rotary valve control |
Feb. 24, 2004 |
| 6651605 |
Rotary valve for piston engine |
Nov. 25, 2003 |
| 6520138 |
Air intake apparatus for internal combustion engine |
Feb. 18, 2003 |
| 6443116 |
Valve device for an internal combustion engine |
Sep. 3, 2002 |
| 6308677 |
Overhead rotary valve for engines |
Oct. 30, 2001 |
| 6293242 |
Rotary valve system |
Sep. 25, 2001 |
| 6257191 |
Rotary valve system |
Jul. 10, 2001 |
| 6237556 |
Rotary valve for internal combustion engines |
May. 29, 2001 |
| 6199531 |
Shutter valve system for internal combustion engines |
Mar. 13, 2001 |
| 5941206 |
Rotary valve for internal combustion engine |
Aug. 24, 1999 |
| 5908016 |
Carbon fiber reinforced carbon composite rotary valves for internal combustion engines |
Jun. 1, 1999 |
| 5706775 |
Rotary valve apparatus for internal combustion engines and methods of operating same |
Jan. 13, 1998 |
| 5540054 |
Engine rotary valves |
Jul. 30, 1996 |
| 5529037 |
Lubrication system for rotary valve |
Jun. 25, 1996 |
| 5526780 |
Gas sealing system for rotary valves |
Jun. 18, 1996 |
| 5524579 |
Air cooled rotary distribution valve for internal combustion engine |
Jun. 11, 1996 |
| 5509386 |
Sealing means for rotary valves |
Apr. 23, 1996 |
| 5503124 |
Rotary valve with seal supporting tongue |
Apr. 2, 1996 |
| 5490485 |
Rotary valve for internal combustion engine |
Feb. 13, 1996 |
| 5398647 |
Combined sleeve/poppet valve for internal combustion engine |
Mar. 21, 1995 |
| 5392743 |
Variable duration rotary valve |
Feb. 28, 1995 |
| 5315969 |
Internal combustion engine with rotary valves |
May. 31, 1994 |
| 5255645 |
Rotary valve for an internal combustion engine |
Oct. 26, 1993 |
| 5251591 |
Rotary valve for an internal combustion engine |
Oct. 12, 1993 |
| 5205251 |
Rotary valve for internal combustion engine |
Apr. 27, 1993 |
| 5154147 |
Rotary valve |
Oct. 13, 1992 |
| 5095870 |
Rotary valve four-cycle engine |
Mar. 17, 1992 |
| 5074265 |
Rotary valve with facility for stratified combustion in the internal combustion engine |
Dec. 24, 1991 |
| 5005543 |
Intake and exhaust system with a rotating port shaft for four-cycle internal combustion engines |
Apr. 9, 1991 |
| 4944262 |
Rotative combustion chamber engine |
Jul. 31, 1990 |
| 4898042 |
Rotary drives |
Feb. 6, 1990 |
| 4867117 |
Rotary valve with integrated combustion chamber |
Sep. 19, 1989 |
| 4852532 |
Rotary valve for internal combustion engines |
Aug. 1, 1989 |
| 4834038 |
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 |
May. 30, 1989 |
| 4815428 |
Rotary valve internal combustion engine |
Mar. 28, 1989 |
| 4813392 |
Rotary valve assembly |
Mar. 21, 1989 |
| 4788945 |
Process and apparatus for controlling a gas evacuation circuit of a rotational distribution motor |
Dec. 6, 1988 |
| 4782801 |
Internal combustion motor |
Nov. 8, 1988 |
| 4773364 |
Internal combustion engine with rotary combustion chamber |
Sep. 27, 1988 |
| 4751900 |
Adjustable segmented rotary twin port valve shaft |
Jun. 21, 1988 |
| 4658776 |
Rotary valve internal combustion engine |
Apr. 21, 1987 |
| 4606309 |
Device for controlling the combustion chambers exhaust and/or intake for internal combustion engines |
Aug. 19, 1986 |
| 4593918 |
Sealing arrangement |
Jun. 10, 1986 |
| 4592312 |
High efficiency performance kinetic occlude system with rotary valve |
Jun. 3, 1986 |
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