Intake apparatus for internal combustion engine

Details Intake apparatus for internal combustion engine Intake apparatus for internal combustion engine

1991-03-29

1993-02-16

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

123 52MC, F02M 3500

Patent

active

051861267

ABSTRACT:
An intake system distributes air into cylinders of an internal combustion engine, which are divided into two groups. The cylinders in each group are arranged in the same row so that adjoining cylinders in each row do not fire one after another. An intake passage is formed with an upstream passage and two separate downstream passages, extending from the upstream passage, which are connected to the two groups of cylinders. The upstream passage is divided by a partition wall into two separate upstream passages in communication with the two separate downstream passages, respectively. A throttle valve is disposed adjacent to the intake passage so as to extend a path of each separate upstream passage when the throttle valve is in its full throttle position.

REFERENCES:
patent: 4957071 (1990-09-01), Matsuo et al.
patent: 4981115 (1991-01-01), Okasako et al.

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