Auxiliary valve for the intake passageway of an internal...

Details Auxiliary valve for the intake passageway of an internal... Auxiliary valve for the intake passageway of an internal...

2005-03-08

2005-03-08

Yuen, Henry C. (Department: 3747)

Internal-combustion engines

Engine speed regulator

Specific throttle valve structure

C123S336000, C123S306000, C123S188700

Reexamination Certificate

active

06863049

ABSTRACT:
An auxiliary valve positioned in an intake passageway of a four-cycle internal combustion engine for controlling the flow of air/fuel mixture into a combustion chamber includes a through passage, the through passage defined by a top wall, a bottom wall, and opposing side walls; a swingable door openable and closable in relation to the through passage; and a spring loaded assembly biasing the swingable door closed.

REFERENCES:
patent: 3972314 (1976-08-01), Dupont et al.
patent: 4058100 (1977-11-01), Tanaka et al.
patent: 4320725 (1982-03-01), Rychlik et al.
patent: 4858567 (1989-08-01), Knapp
patent: 6332442 (2001-12-01), Komada et al.

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