Throttle valve

Details Throttle valve Throttle valve

2007-05-22

2007-05-22

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Means to whirl fluid before, upon, or after entry into...

C123S336000

Reexamination Certificate

active

11183736

ABSTRACT:
A throttle valve for adjusting an amount of intake air to an internal combustion engine includes throttle shafts disposed in an intake air passage perpendicularly across the longitudinal axis of the air passage, and first and second valve members mounted on the throttle shafts for opening/closing about the throttle shafts independently of each other. By these first and second valve members, there are formed main air passages for causing air to flow in the intake air passage along the longitudinal axis of the intake air passage toward the internal combustion engine and auxiliary intake air passages for causing air to flow in the intake air passage substantially perpendicularly across the longitudinal axis of the air passage.

REFERENCES:
patent: 1998886 (1935-04-01), Scheid
patent: 3942055 (1991-06-01), None
patent: 7-158459 (1995-06-01), None
patent: 11-247661 (1999-09-01), None
patent: 2002-201968 (2002-07-01), None
patent: 2002-235546 (2002-08-01), None

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