Intake system for multi cylindered engine

Details Intake system for multi cylindered engine Intake system for multi cylindered engine

1987-01-13

1989-03-07

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

123302, F02B 7518

Patent

active

048096474

ABSTRACT:
An improved induction system for a V type engine that is tuned for substantially all running conditions and which is nevertheless compact in construction. The system includes a pair of plenum chambers each disposed adjacent one of the cylinder heads of the engine. Each cylinder head has at least two intake passages serving the respective cylinder bores and a first conduit extends from the adjacent plenum chamber to one of the intake passages and a second conduit extends from the other of the plenum chambers to the other intake passage. A throttle valve arrangement is also incorporated so that good performance is achieved under all running conditions. The plenum chambers communicate with each other as their opposite ends to improve airflow and a common inlet opening serves each plenum chamber inlet.

REFERENCES:
patent: 4622926 (1986-11-01), Rutschmann et al.
patent: 4649876 (1987-03-01), Ohmi et al.

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