Intake system for multicylinder internal combustion engines for

Details Intake system for multicylinder internal combustion engines for Intake system for multicylinder internal combustion engines for

1991-06-07

1992-04-21

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

F02M 3510

Patent

active

051057743

ABSTRACT:
A differentiated intake system for multicylinder internal combustion engines in which the high-speed inlet pipes and the low-speed inlet pipes communicate with two separate high-speed and low-speed manifolds, respectively. Communication between the cylinders and the low-speed and high-speed pipes is controlled by a deflector valve, there being a single first butterfly valve at the inlet of the high-speed manifold and a plurality of second butterfly valves each in a respective low-speed inlet pipe. The first and second butterfly valves are operated simultaneously by means of a common actuator device.

REFERENCES:
patent: 4854271 (1989-08-01), Miyano et al.
patent: 4862840 (1989-09-01), Matsunaga et al.

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