Internal combustion engine inlet manifold

Details Internal combustion engine inlet manifold Internal combustion engine inlet manifold

1989-07-26

1990-06-12

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

123 59AL, 123120A, F02M 3500

Patent

active

049323695

ABSTRACT:
An internal combustion engine inlet manifold is disclosed which comprises of a housing defining a plenum, at least one inlet tract and at least one rotary valve member supported by the housing. The or each inlet tract has first and second lengths one of which extends away from the plenum for connection to an engine to which the inlet manifold is to be connected. The or each valve member is arranged to be rotatable from a first position in which the first and second lengths are connected in series between the plenum and the engine via the or each valve member and a second position in which connection is made between the plenum and the engine solely by means of the first length of the or each inlet tract via the or each valve member.

REFERENCES:
patent: 2835235 (1958-05-01), Gassmann
patent: 4259980 (1981-04-01), Muller
patent: 4506636 (1985-03-01), Negre et al.
patent: 4619226 (1986-10-01), Ueda et al.
patent: 4622931 (1986-11-01), Wickramasuriya
patent: 4664076 (1987-05-01), Miyano et al.
patent: 4726329 (1988-02-01), Aktin
patent: 4727829 (1988-03-01), Kondo et al.

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