Intake system for an internal combustion engine

Details Intake system for an internal combustion engine Intake system for an internal combustion engine

1997-06-11

1998-08-04

McMahon, Marguerite

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

12318456, F02B 2702

Patent

active

057878528

ABSTRACT:
An intake system for an internal combustion engine is disclosed. The intake system comprises a cylindrical member, a first intake passage portion which extends axially within the cylindrical member, two side walls which extend circumferentially on the outer side of the cylindrical wall of the cylindrical member and which are spaced apart from each other in the axial direction of the cylindrical member, a second intake passage portion downstream of the first intake passage portion which is formed between two side surfaces, facing each other, of the two side wall, and an opening formed on the cylindrical wall of the cylindrical member to communicate the first intake passage with the second intake passage. The cylindrical member with the opening is turned to vary the effective length of the second intake passage portion. A distance between the two side surfaces of the two side walls varies such that the longer the effective length of the second intake passage portion becomes by the turning motion of the cylindrical member, the shorter the distance becomes.

REFERENCES:
patent: 2835235 (1958-05-01), Gassmann
patent: 4538556 (1985-09-01), Takeda
patent: 4590895 (1986-05-01), Yada et al.
patent: 4619226 (1986-10-01), Ueda et al.
patent: 4646689 (1987-03-01), Katsumoto et al.
patent: 4765286 (1988-08-01), Lyjak et al.
patent: 5687684 (1997-11-01), Verkleeren

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