Intake system for multi-cylinder engine

Details Intake system for multi-cylinder engine Intake system for multi-cylinder engine

1991-04-01

1992-06-30

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

123 52MV, F02M 3510

Patent

active

051253690

ABSTRACT:
Plural cylinders are grouped, for example, into two cylinder groups composed of plural cylinders having each inspiration stroke in an equal distance, and each of the grouped cylinder groups is communicated with a volume chamber. To this volume chamber is connected each of the independent air intake passages extending independently or separately from each of the corresponding cylinder. A first connecting portion is disposed to communicate the individual air intake passages for each of the cylinder groups with each other in a position spaced apart in an equal distance from an intake port. Further, a second connecting portion as a resonant passage is disposed to communicate one first connecting portion with the other connecting portion for each cylinder group.

REFERENCES:
patent: 4641610 (1987-02-01), Rutschmann
patent: 4858570 (1989-08-01), Matsumoto et al.
patent: 4932378 (1990-06-01), Hitomi et al.
patent: 4977865 (1990-12-01), Hiraoka et al.
patent: 4989553 (1991-02-01), Ueda et al.

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