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Class Information
Number: 123/309
Name: Internal-combustion engines > Means to whirl fluid before, upon, or after entry into combustion chamber > Specific spark plug location
Description: Subject matter wherein significance is attributed to the specific location of the spark plug with respect to the whirling fluid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7444981 |
Internal-combustion engine and method of disposing ignition plug thereof |
Nov. 4, 2008 |
| 7234441 |
Spark plug system in an internal combustion engine |
Jun. 26, 2007 |
| 7188589 |
Direct injection internal combustion engine |
Mar. 13, 2007 |
| 6799550 |
Spark-ignition engine having direct fuel injection |
Oct. 5, 2004 |
| 6705269 |
Four-cycle engine |
Mar. 16, 2004 |
| 6629519 |
Injection nozzle and a method for forming a fuel-air mixture |
Oct. 7, 2003 |
| 6173695 |
Cylinder head with high swirl intake port and combustion chamber |
Jan. 16, 2001 |
| 6116199 |
Mixture-compressing two-stroke spark ignition engine with fuel injection |
Sep. 12, 2000 |
| 5927244 |
Combustion chamber structure having piston cavity |
Jul. 27, 1999 |
| 5727520 |
Four-stroke internal combustion engine with spark ignition |
Mar. 17, 1998 |
| 5517961 |
Engine with flow coupled spark discharge |
May. 21, 1996 |
| 5408968 |
Engine and method for designing same |
Apr. 25, 1995 |
| 5261367 |
Engine and method for designing same |
Nov. 16, 1993 |
| 5010860 |
Internal combustion engine with twin combustion chambers |
Apr. 30, 1991 |
| 4974559 |
Combustion system and combustion apparatus for internal combustion engine |
Dec. 4, 1990 |
| 4964379 |
Twin-piston two-stroke engine |
Oct. 23, 1990 |
| 4539950 |
Four-stroke piston engine |
Sep. 10, 1985 |
| 4508073 |
Combustion space of a piston driven internal combustion engine |
Apr. 2, 1985 |
| 4450796 |
Four-stroke piston engine |
May. 29, 1984 |
| 4324214 |
Combustion chamber for an internal combustion engine |
Apr. 13, 1982 |
| 4296720 |
Combustion chamber of an internal combustion engine |
Oct. 27, 1981 |
| 4291655 |
Combustion chamber of an internal combustion engine |
Sep. 29, 1981 |
| 4280459 |
Combustion chamber of an internal combustion engine |
Jul. 28, 1981 |
| 4211189 |
Internal combustion engine with dual induction system and more particularly to combustion chamber design thereof |
Jul. 8, 1980 |
| 4191136 |
Combustion chamber of an internal combustion engine |
Mar. 4, 1980 |
| 4182280 |
Vortex automotive combustion engine |
Jan. 8, 1980 |
| 4178889 |
Internal combustion engine |
Dec. 18, 1979 |
| 4167161 |
Directional auxiliary intake injection for internal combustion engine |
Sep. 11, 1979 |
| 4133331 |
Dual spark-plug ignition internal combustion engine with improved combustion chamber wall |
Jan. 9, 1979 |
| 4121544 |
Internal combustion engine |
Oct. 24, 1978 |
| 4116176 |
Dual spark plug ignition internal combustion engine having improved cylinder head configuration |
Sep. 26, 1978 |
| 4094272 |
Externally ignited four cycle internal combustion engine |
Jun. 13, 1978 |
| 4061113 |
Process for reducing the pollution due to an internal combustion engine, and an engine including the application of said process |
Dec. 6, 1977 |
| 3938482 |
Internal combustion engine with a plurality of exhaust valves |
Feb. 17, 1976 |
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