Valved apparatus for diverting an exhaust stream

Details Valved apparatus for diverting an exhaust stream Valved apparatus for diverting an exhaust stream

1978-03-22

1979-05-22

Lazarus, Ronald H.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123122AC, F02M 3100

Patent

active

041553381

ABSTRACT:
A device is provided for controlling the flow of exhaust gases of an internal combustion engine in accordance with the operating conditions of the engine. Exhaust gases flowing from the exhaust manifold are routed either directly to the muffler or to a heat exchanger for heating the intake air/fuel mixture. The device includes a housing having ceramic valve which is rotatable in the housing and which has two parallel gas passages separated by a web-like wall. In a first rotational position of the valve, the flow of gases is directed from the manifold through both passages and directly out to the muffler. When the valve is in a second rotational position, the flow of gases is directed through one of the two passages and into the heat exchanger. From the heat exchanger, the flow is directed back through a return line into the second passage of the valve and thereafter to the muffler.

REFERENCES:
patent: 1169573 (1916-01-01), Schulz
patent: 4010724 (1977-03-01), Schulz

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