Rotary piston internal combustion engine

Details Rotary piston internal combustion engine Rotary piston internal combustion engine

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

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