| |
 |
|
Class Information
Number: 123/190.17
Name: Internal-combustion engines > Valve > Rotary > Seal
Description: Apparatus having means to prevent leaking of fluids around the rotary valve.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7401587 |
Gas and oil sealing in a rotary valve |
Jul. 22, 2008 |
| 7380532 |
Disc valve intermediate ring seal |
Jun. 3, 2008 |
| 7134416 |
Rotary valve seal |
Nov. 14, 2006 |
| 7004119 |
Apparatus and method for rotating sleeve engine hydrodynamic seal |
Feb. 28, 2006 |
| 6976465 |
Disc valve intermediate ring seal |
Dec. 20, 2005 |
| 6880511 |
Valve seal assembly for rotary valve engine |
Apr. 19, 2005 |
| 6877719 |
Valve shaft seal |
Apr. 12, 2005 |
| 6830025 |
Dual spring valve stem seal module |
Dec. 14, 2004 |
| 6755171 |
Twin rotary valves for a four stroke internal combustion engine |
Jun. 29, 2004 |
| 6718933 |
Valve seal for rotary valve engine |
Apr. 13, 2004 |
| 6691664 |
Direct port rotary valve mechanism with variable timing for internal combustion engines |
Feb. 17, 2004 |
| 6651605 |
Rotary valve for piston engine |
Nov. 25, 2003 |
| 6647943 |
Valve stem seal assembly with locator system |
Nov. 18, 2003 |
| 6578538 |
Rotary valve for piston engine |
Jun. 17, 2003 |
| 6497226 |
Modular, compliant, sealing bearing assembly |
Dec. 24, 2002 |
| 6390048 |
Valve apparatus for internal combustion engine |
May. 21, 2002 |
| 6230679 |
Valve stem seal with pads and tangs |
May. 15, 2001 |
| 6205960 |
Rotary and reciprocating internal combustion engine and compressor |
Mar. 27, 2001 |
| 6138628 |
Camshaft controller, in particular for use in an induction manifold system for a multi-cylinder internal combustion engine |
Oct. 31, 2000 |
| 6098579 |
Carbon fiber reinforced carbon composite rotary valve for an internal combustion engine |
Aug. 8, 2000 |
| 5996544 |
Rotary valve control system for internal combustion engines and reciprocating pumps |
Dec. 7, 1999 |
| 5908016 |
Carbon fiber reinforced carbon composite rotary valves for internal combustion engines |
Jun. 1, 1999 |
| 5878707 |
Rotary valve internal combustion engine |
Mar. 9, 1999 |
| 5875744 |
Rotary and reciprocating internal combustion engine and compressor |
Mar. 2, 1999 |
| 5655494 |
Variable roller valve system for internal combustion engine |
Aug. 12, 1997 |
| 5642699 |
Rotary valve system |
Jul. 1, 1997 |
| 5626107 |
Valve systems for internal combustion piston engines |
May. 6, 1997 |
| 5579730 |
Rotary valve head assembly and related drive system for internal combustion engines |
Dec. 3, 1996 |
| 5529037 |
Lubrication system for rotary valve |
Jun. 25, 1996 |
| 5526780 |
Gas sealing system for rotary valves |
Jun. 18, 1996 |
| 5509386 |
Sealing means for rotary valves |
Apr. 23, 1996 |
| 5417188 |
Double effect distribution sequential valve shaft assembly |
May. 23, 1995 |
| 5372104 |
Rotary valve arrangement |
Dec. 13, 1994 |
| 5329897 |
Rotary valve with seal for internal combustion engine |
Jul. 19, 1994 |
| 5255645 |
Rotary valve for an internal combustion engine |
Oct. 26, 1993 |
| 5154147 |
Rotary valve |
Oct. 13, 1992 |
| 5052349 |
Rotary valve for internal combustion engine |
Oct. 1, 1991 |
| 5000136 |
Internal combustion engine with rotary valve assembly |
Mar. 19, 1991 |
| 4976232 |
Valve seal for rotary valve engine |
Dec. 11, 1990 |
| 4949686 |
Sealing element for a rotary timing system of internal-combustion engines |
Aug. 21, 1990 |
| 4858577 |
Rotary valve device for internal combustion engines |
Aug. 22, 1989 |
| 4852533 |
Mounting arrangement for vehicle engine and the like |
Aug. 1, 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 |
| 4813392 |
Rotary valve assembly |
Mar. 21, 1989 |
| 4794895 |
Sealing arrangement for a rotary slide valve |
Jan. 3, 1989 |
| 4782801 |
Internal combustion motor |
Nov. 8, 1988 |
| 4778148 |
Sealing arrangement for a rotary slide valve |
Oct. 18, 1988 |
| 4773364 |
Internal combustion engine with rotary combustion chamber |
Sep. 27, 1988 |
| 4606309 |
Device for controlling the combustion chambers exhaust and/or intake for internal combustion engines |
Aug. 19, 1986 |
|
|
|
