Internal combustion engine

Details Internal combustion engine Internal combustion engine

1981-01-16

1983-03-29

Cuchlinski, Jr., William A.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

123586, F02M 2506

Patent

active

043780032

ABSTRACT:
An internal combustion engine having first valve means disposed in the exhaust system and adapted to impart a resistance to the flow of exhaust gas to control the flow rate of the latter, and second valve means provided in the intake passage of said engine and adapted to introduce fresh air to the intake passage when r.p.m. of the engine has reached a predetermined value. During operation of the engine, a part of the exhaust gas is made to return into the combustion chamber due to the resistance imparted by the first valve means, and the unburned hydrocarbons in the exhaust gas returned to the combustion chamber are efficiently burned by the presence of fresh air which is introduced through the second valve means. Thus an improved internal combustion engine which can operate at a much improved fuel economy and which can minimize the emission of unburned hydrocarbons to the atmosphere is obtained.

REFERENCES:
patent: 3577727 (1971-05-01), Warren et al.
patent: 4014303 (1977-03-01), Aiti
patent: 4054156 (1977-10-01), Benson
patent: 4093046 (1978-06-01), Perr

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