Intake manifold for internal combustion engines

Details Intake manifold for internal combustion engines Intake manifold for internal combustion engines

1983-09-16

1985-05-14

Feinberg, Craig R.

Internal-combustion engines

Multiple cylinder

123 59R, 123432, F02M 2500

Patent

active

045165386

ABSTRACT:
In an internal combustion engine, an intake manifold has a main distributing chamber and an auxiliary distributing chamber disposed to overlap with the main distributing chamber at a location inward thereof. The main distributing chamber is divided by a partition wall into a primary distributing chamber and a secondary distributing chamber. The partition wall has a boss through which is formed an intake guide passage having one end opening in the auxiliary distributing chamber and directed toward a substantially central location of the chamber. The primary distributing chamber, the secondary distributing chamber and the intake guide passage leading to the auxiliary distributing chamber have respective mixture-inlet ports opening in a carburetor-mounting surface formed on the outer surface of the intake manifold and arranged thereon in a compact array. Thus, the intake guide passage has a simplified configuration, and also the intake manifold can have a compact size.

REFERENCES:
patent: 3850153 (1974-11-01), Sigwald
patent: 3878826 (1975-04-01), Date et al.
patent: 3916850 (1975-11-01), Date et al.
patent: 4072133 (1978-02-01), McWhirter
patent: 4099500 (1978-07-01), Nakano et al.
patent: 4108124 (1978-08-01), Nakagawa et al.
patent: 4361123 (1982-11-01), Hori et al.

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