Intake system for V-type engine

Details Intake system for V-type engine Intake system for V-type engine

1989-10-18

1990-12-18

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

F02M 3510

Patent

active

049778650

ABSTRACT:
A V-type engine has a plurality of cylinders formed in a pair of cylinder banks. An intake system for the V-type engine includes a surge tank which is communicated with the atmosphere through a common intake passage provided with a throttle valve, discrete intake passages which branch off from the surge tank and are connected to the responsive cylinders, branch passages which branch off from the respective discrete intake passages, one or more volume chambers each of which is communicated with at least two of the branch passages, on-off valves which are respectively provided in the branch passages and are opened and closed according to the operating conditions of the engine. The surge tank is disposed above one of the cylinder banks and the volume chamber or volume chambers are disposed above the other cylinder bank.

REFERENCES:
patent: 4727829 (1988-03-01), Kondo et al.
patent: 4765285 (1988-08-01), Kobayashi

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