Internal-combustion engines – Rotary – With fuel injection means
Patent
1976-04-14
1978-06-27
Gordon, Clarence R.
Internal-combustion engines
Rotary
With fuel injection means
123211, 123 32D, 123 32SP, 123 32ST, 123 32C, 123219, F02B 5310
Patent
active
040968286
ABSTRACT:
A rotary piston internal combustion engine of the Wankel type for reducing unburned detrimental components such as NOx, HC, CO, etc. in exhaust gas without decrease of engine performance which comprises a first combustion chamber communicating by means of a passage means with a second combustion chamber formed between a trochoidal inner peripheral surface of a housing and a side surface of a rotary piston, said first combustion chamber being formed radially outside of said trochoidal inner peripheral surface, the volume of said first combustion chamber being 35 to 65% of the sum of both said combustion chambers at the top dead center (T.D.C.) of the engine, a fuel injection nozzle and an ignition plug provided in said first combustion chamber, said passage means opening onto said trochoidal inner peripheral surface in the range of 15.degree. before the junction of the two arcuate portions of said trochoidal inner surface to 30.degree. after the junction in terms of the rotary angle of an eccentric shaft relative to said junction.
REFERENCES:
patent: 3053238 (1962-09-01), Meurer
patent: 3391677 (1968-07-01), Hejj
patent: 3508530 (1970-04-01), Clawson
patent: 3683868 (1972-08-01), Panhard
patent: 3976036 (1976-08-01), Muroki
patent: 4009688 (1977-03-01), Hayashida
Hayashida Motoyuki
Honiden Yoshinori
Satou Haruhiko
Wakamoto Mutsuo
Gordon Clarence R.
Toyo Kogyo Co. Ltd.
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