Intake manifold

Details Intake manifold Intake manifold

2007-11-20

2007-11-20

McMahon, Marguerite (Department: 3747)

Internal-combustion engines

Intake manifold

Passage to crankcase

C123S184340, C123S184420, C123S184470

Reexamination Certificate

active

11372029

ABSTRACT:
In an intake manifold in which air introduced from an introduction port is fed to each cylinder of an engine by use of multiple ducts which are disposed parallel, a communication space section which provides communication between the introduction port which introduces air and inlets of the ducts is provided, this communication space section is formed so as to extend in a direction in which the inlets of the ducts are arrayed, a funnel section which causes the inlets of the ducts to be arrayed on a same surface is formed in this communication space section, and this funnel section is formed from a single member only in the main body section by providing mating surfaces of the main body section and the duct component member off the funnel section.

REFERENCES:
patent: 4210107 (1980-07-01), Shaffer
patent: 4497287 (1985-02-01), Schleiermacher et al.
patent: 6067949 (2000-05-01), Hughes et al.
patent: 6216656 (2001-04-01), Hada et al.
patent: 6234132 (2001-05-01), Kopec et al.
patent: 6571759 (2003-06-01), Homi
patent: 2003/0019457 (2003-01-01), Ozeki
patent: 2004/0149248 (2004-08-01), Koch et al.
patent: 7-148769 (1995-06-01), None

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