Air intake manifold for an internal combustion engine

Details Air intake manifold for an internal combustion engine Air intake manifold for an internal combustion engine

1991-12-03

1993-05-11

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

123572, F02M 3510

Patent

active

052091910

ABSTRACT:
An air intake manifold for an internal combustion engine including a mounting flange through which a plurality of intake ducts open. Blow-by gases from the crankcase of the engine are introduced into the intake ducts through channels or passageways communicating with the ducts adjacent a face of the mounting flange which is fastened to the cylinder head of the engine. Connecting means also are provided through which the blow-by gases are introduced into the channels or passageways. The invention provides a simple design for feeding blow-by gases into the air intake manifold and for assuring uniform filling of the individual intake ducts with blow-by gases which lubricate the intake valves due to their slight oil content.

REFERENCES:
patent: 3505983 (1970-04-01), Hartel
patent: 4262639 (1981-04-01), Motosugi et al.
patent: 4715329 (1987-12-01), Yasuda et al.
patent: 4811697 (1989-03-01), Kurahashi
patent: 4862860 (1989-09-01), Shinohara
patent: 4947812 (1990-08-01), Inoue et al.
patent: 4958613 (1990-09-01), Hiraoka et al.
patent: 4981115 (1991-01-01), Okasako et al.
patent: 5014654 (1991-05-01), Iashibashi

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