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Class Information
Number: 123/190.1
Name: Internal-combustion engines > Valve > Rotary
Description: Apparatus having a valve that rotates, or revolves during opening and closing.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7406938 |
Cooling mechanisms for rotary valve cylinder engines |
Aug. 5, 2008 |
| 7371265 |
Continuous hydrogen and alcohol generator from coal |
May. 13, 2008 |
| RE39852 |
Charge control device for and method for controlling the functioning of a reciprocating internal combustion engine |
Sep. 25, 2007 |
| 7213547 |
Valve |
May. 8, 2007 |
| 7140342 |
Slotted cylindrical tube rotary valve assembly |
Nov. 28, 2006 |
| 7121247 |
Spherical rotary engine valve assembly |
Oct. 17, 2006 |
| 7017538 |
Method of producing a powerful and efficient internal combustion four stroke engine using a blower and a single valve cylinder |
Mar. 28, 2006 |
| 7007639 |
Air injection engine |
Mar. 7, 2006 |
| 6976464 |
Semi-rotating valve assembly for use with an internal combustion engine |
Dec. 20, 2005 |
| 6904885 |
Osband super inductionexhaustion valveshaft' engine system, V-Type, flat-type, single-type, multi-cylinder four-cycle engine(s) |
Jun. 14, 2005 |
| 6666458 |
Valve seal for rotary valve engine |
Dec. 23, 2003 |
| 6415756 |
Spherical rotary engine valve |
Jul. 9, 2002 |
| 6390048 |
Valve apparatus for internal combustion engine |
May. 21, 2002 |
| 6360719 |
Charge control device for and method for controlling the functioning of a reciprocating internal combustion engine |
Mar. 26, 2002 |
| 6308677 |
Overhead rotary valve for engines |
Oct. 30, 2001 |
| 6295961 |
Internal combustion rotating spherical head and valve |
Oct. 2, 2001 |
| 6199531 |
Shutter valve system for internal combustion engines |
Mar. 13, 2001 |
| 6138628 |
Camshaft controller, in particular for use in an induction manifold system for a multi-cylinder internal combustion engine |
Oct. 31, 2000 |
| 6095106 |
Cyclo-valve for internal combustion engines |
Aug. 1, 2000 |
| 6055953 |
Gas engine having roller-shaped rotary slide valve |
May. 2, 2000 |
| 6006714 |
Self-sealing rotary aspiration system for internal combustion engines |
Dec. 28, 1999 |
| 6003312 |
Engine |
Dec. 21, 1999 |
| 5931134 |
Internal combustion engine with improved combustion |
Aug. 3, 1999 |
| 5711265 |
Rotary valve drive mechanism |
Jan. 27, 1998 |
| 5503130 |
Internal combustion engine with improved exhaust valve, timing system, and injector |
Apr. 2, 1996 |
| 5503124 |
Rotary valve with seal supporting tongue |
Apr. 2, 1996 |
| 5437252 |
Rotary plug |
Aug. 1, 1995 |
| 5392743 |
Variable duration rotary valve |
Feb. 28, 1995 |
| 5377635 |
Rotary throttle valve and utilization of said throttle valve for the transfer of a fluid to a combustion chamber of an internal-combustion engine |
Jan. 3, 1995 |
| 5205245 |
Two stroke engines |
Apr. 27, 1993 |
| 5205251 |
Rotary valve for internal combustion engine |
Apr. 27, 1993 |
| 5152259 |
Cylinder head for internal combustion engine |
Oct. 6, 1992 |
| 5111783 |
Rotary valve system for internal combustion engines |
May. 12, 1992 |
| 5109814 |
Spherical rotary valve |
May. 5, 1992 |
| 4976227 |
Internal combustion engine intake and exhaust valve control apparatus |
Dec. 11, 1990 |
| 4782801 |
Internal combustion motor |
Nov. 8, 1988 |
| 4742802 |
Rotary valve for control of the cylinder charge change of an internal combustion engine |
May. 10, 1988 |
| 4739737 |
Rotary valve for control of the cylinder charge change of an internal combustion engine |
Apr. 26, 1988 |
| 4635590 |
Internal combustion engine and operating cycle therefor |
Jan. 13, 1987 |
| 4271800 |
Apparatus for charging an internal combustion engine |
Jun. 9, 1981 |
| 4201174 |
Rotary valve system for motors and the like having improved sealing means |
May. 6, 1980 |
| 4163438 |
Rotary valve timing apparatus |
Aug. 7, 1979 |
| 4119077 |
Rotary valve system for motors and the like having improved sealing means |
Oct. 10, 1978 |
| 4077382 |
Rotary valve for internal combustion engines |
Mar. 7, 1978 |
| 4075986 |
Rotary-poppet valve internal combustion engine |
Feb. 28, 1978 |
| 4036184 |
Stratified charge engine |
Jul. 19, 1977 |
| 4022178 |
Valves |
May. 10, 1977 |
| 4019487 |
Rotary valve seal assembly |
Apr. 26, 1977 |
| 4016840 |
Rotary-valve device for internal-combustion engines |
Apr. 12, 1977 |
| 4007725 |
Rotary valving unit for an internal combustion engine |
Feb. 15, 1977 |
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