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Class Information
Number: 123/190.14
Name: Internal-combustion engines > Valve > Rotary > Disc, cone, or sphere shaped
Description: Apparatus wherein the rotating valve body is in the form of either (1) a thin flat rotor; (2) a surface generated by a straight line passing through a fixed point and moving along the intersection with a fixed curve; or (3) a three-dimensional surface all points of which are equidistant from a fixed point.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7401592 |
Hybrid exhaust valve assembly |
Jul. 22, 2008 |
| 7380532 |
Disc valve intermediate ring seal |
Jun. 3, 2008 |
| 7334558 |
Slide body internal combustion engine |
Feb. 26, 2008 |
| 7328680 |
Cylinder head assembly and spherical valve for internal combustion engines |
Feb. 12, 2008 |
| 7213547 |
Valve |
May. 8, 2007 |
| 7124719 |
Two-way cylinder engine |
Oct. 24, 2006 |
| 7121247 |
Spherical rotary engine valve assembly |
Oct. 17, 2006 |
| 6976465 |
Disc valve intermediate ring seal |
Dec. 20, 2005 |
| 6779504 |
Spherical rotary intake valve for spherical rotary valve engine assembly |
Aug. 24, 2004 |
| 6718933 |
Valve seal for rotary valve engine |
Apr. 13, 2004 |
| 6666458 |
Valve seal for rotary valve engine |
Dec. 23, 2003 |
| 6390048 |
Valve apparatus for internal combustion engine |
May. 21, 2002 |
| 6321699 |
Spheroidal rotary valve for combustion engines |
Nov. 27, 2001 |
| 6125819 |
Rotating piston engine with variable effective compression stroke |
Oct. 3, 2000 |
| 6098579 |
Carbon fiber reinforced carbon composite rotary valve for an internal combustion engine |
Aug. 8, 2000 |
| 6095106 |
Cyclo-valve for internal combustion engines |
Aug. 1, 2000 |
| 6029617 |
Modular rotary discoid valve assembly for engines and other applications |
Feb. 29, 2000 |
| 5996544 |
Rotary valve control system for internal combustion engines and reciprocating pumps |
Dec. 7, 1999 |
| 5988133 |
Engine disc valve |
Nov. 23, 1999 |
| 5911203 |
Modular rotary discoid valve assembly for engines and other applications |
Jun. 15, 1999 |
| 5673663 |
Non-valve engine device and method of controlling the same |
Oct. 7, 1997 |
| 5623901 |
Time twister cylinder head for use in internal combustion engines |
Apr. 29, 1997 |
| 5582140 |
Rotatable timed mechanism for feeding vaporous fluid to a combustion cylinder |
Dec. 10, 1996 |
| 5579734 |
Rotary valve internal combustion engine |
Dec. 3, 1996 |
| 5579732 |
Electromechanical valve system |
Dec. 3, 1996 |
| 5558049 |
Variable orbital aperture valve system for fluid processing machines |
Sep. 24, 1996 |
| 5361739 |
Spherical rotary valve assembly for use in a rotary valve internal combustion engine |
Nov. 8, 1994 |
| 5329897 |
Rotary valve with seal for internal combustion engine |
Jul. 19, 1994 |
| 5257601 |
Adjustable rotary valve assembly for a combustion engine |
Nov. 2, 1993 |
| 5251583 |
Intake apparatus for two cycle engine |
Oct. 12, 1993 |
| 5109814 |
Spherical rotary valve |
May. 5, 1992 |
| 5076219 |
Internal-combustion engine with rotary distribution |
Dec. 31, 1991 |
| 5052349 |
Rotary valve for internal combustion engine |
Oct. 1, 1991 |
| 4989576 |
Internal combustion engine |
Feb. 5, 1991 |
| 4989558 |
Spherical rotary valve assembly for an internal combustion engine |
Feb. 5, 1991 |
| 4944261 |
Spherical rotary valve assembly for an internal combustion engine |
Jul. 31, 1990 |
| 4887567 |
Connecting arrangement in valve operating system for internal combustion engine |
Dec. 19, 1989 |
| 4864984 |
Rotary valve internal combustion engine |
Sep. 12, 1989 |
| 4838220 |
Rotary valves |
Jun. 13, 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 |
| 4821692 |
Rotary valve mechanism for internal combustion engine |
Apr. 18, 1989 |
| 4739968 |
A disc valve control means |
Apr. 26, 1988 |
| 4612886 |
Internal combustion engine with rotary combustion chamber |
Sep. 23, 1986 |
| 4550696 |
Internal combustion engine with disc inlet valve |
Nov. 5, 1985 |
| 4517937 |
Internal combustion engine |
May. 21, 1985 |
| 4515127 |
Four-cycle engine |
May. 7, 1985 |
| 4418658 |
Engine valve |
Dec. 6, 1983 |
| 4373476 |
Rotary valve system |
Feb. 15, 1983 |
| 4363309 |
Valve, particularly crossover passage valve |
Dec. 14, 1982 |
| 4321893 |
Two-stroke engine having variable exhaust port timing |
Mar. 30, 1982 |
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