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Class Information
Number: 123/188.7
Name: Internal-combustion engines > Valve > Combustion improving accessory
Description: Apparatus having adjuncts for the valve (e.g., vanes) for enhancing the combustion process.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6886548 |
Internal combustion engine |
May. 3, 2005 |
| 6863049 |
Auxiliary valve for the intake passageway of an internal combustion engine |
Mar. 8, 2005 |
| 5771852 |
Poppet valve with embossed neck structure |
Jun. 30, 1998 |
| 5709183 |
Shroud and combustion chamber for an internal combustion engine |
Jan. 20, 1998 |
| 5617835 |
Inlet valve for a combustion space of an internal combustion engine |
Apr. 8, 1997 |
| 5529036 |
Rotatable shrouded valve for improving a scavenging of 2-stroke engine |
Jun. 25, 1996 |
| 5485815 |
Poppet valve device |
Jan. 23, 1996 |
| 5370098 |
Air intake system for gas fueled engine |
Dec. 6, 1994 |
| 5301640 |
Engine valve |
Apr. 12, 1994 |
| 5230310 |
Combustion chamber of internal combustion engine |
Jul. 27, 1993 |
| 5099808 |
Direct injection diesel engine induction system having vortical flow inducing induction valve |
Mar. 31, 1992 |
| 5020486 |
Partitioned poppet valve mechanism seprating inlet and exhaust tracts |
Jun. 4, 1991 |
| 4829952 |
Poppet valve lash cap assembly |
May. 16, 1989 |
| 4756281 |
Method, and a valving arrangement, for improving air-fuel mixing |
Jul. 12, 1988 |
| 4744340 |
Vortex generator intake valve and system of using the same |
May. 17, 1988 |
| 4688527 |
Ceramic valve guide and seat |
Aug. 25, 1987 |
| 4671218 |
Two stroke engine with deflector valve |
Jun. 9, 1987 |
| 4643142 |
Squish control engine |
Feb. 17, 1987 |
| 4574754 |
Stratified charge combustion system and method for gaseous fuel internal combustion engines |
Mar. 11, 1986 |
| 4539954 |
Selective asymmetric swirl intake port |
Sep. 10, 1985 |
| 4432312 |
Engine intake port with variable swirl vanes |
Feb. 21, 1984 |
| 4428336 |
Inlet valve assembly for internal combustion engines |
Jan. 31, 1984 |
| 4424777 |
Engine intake port with variable swirl vanes |
Jan. 10, 1984 |
| 4362134 |
Shielded valve |
Dec. 7, 1982 |
| 4355604 |
Shrouded valve for internal combustion engine |
Oct. 26, 1982 |
| 4320725 |
Puffing swirler |
Mar. 23, 1982 |
| 4309969 |
Induction system with high-swirl intake valve |
Jan. 12, 1982 |
| 4307687 |
Internal combustion engines |
Dec. 29, 1981 |
| 4290396 |
Heat conducting shield for cylinder heads of internal combustion engines |
Sep. 22, 1981 |
| 4201162 |
Aluminum valve spring retainer |
May. 6, 1980 |
| 4180030 |
Valve lock assembly |
Dec. 25, 1979 |
| 4137886 |
Air intake system for an internal combustion engine |
Feb. 6, 1979 |
| 4094277 |
Intake valve mechanism for preventing back flow of exhaust gas |
Jun. 13, 1978 |
| 4058091 |
Internal combustion engine of a lean air-fuel mixture combustion type |
Nov. 15, 1977 |
| 4015577 |
Reciprocable piston internal combustion engine, especially diesel engine |
Apr. 5, 1977 |
| 3995609 |
Internal combustion engine fuel control arrangement |
Dec. 7, 1976 |
| 3987769 |
Jet ignition engine with valve-carried ignition chamber |
Oct. 26, 1976 |
| 3980059 |
Internal combustion engine |
Sep. 14, 1976 |
| 3938484 |
Valve stem retainer |
Feb. 17, 1976 |
| 3933142 |
Internal combustion engine, particularly a diesel engine |
Jan. 20, 1976 |
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