Rotary piston internal combustion engine

Details Rotary piston internal combustion engine Rotary piston internal combustion engine

1976-11-05

1977-12-20

Freeh, William L.

Internal-combustion engines

Combined devices

Generating plants

F02B 5304

Patent

active

040635350

ABSTRACT:
A rotary piston engine having fuel-air inlets controlled by the piston and which supply a stratified charge to the inlet chamber of the engine. The inlets comprise first inlets which are opened first and which supply a lean mixture along the sides of the cavity in which the piston moves and second inlets which supply a rich material to the central region of the cavity. Ignition of the rich mixture promotes complete combustion with a minimum of undesired combustion products, such as oxides of nitrogen, carbon monoxide, and the like.

REFERENCES:
patent: 3780707 (1973-12-01), Cole
patent: 3893429 (1975-07-01), Jones
patent: 3964446 (1976-06-01), Kohno et al.
patent: 4019469 (1977-04-01), Yamamoto et al.
patent: 4020799 (1977-05-01), Ishikawa

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