Integrated valve device

Details Integrated valve device Integrated valve device

2007-08-09

2010-10-05

Cuff, Michael (Department: 3747)

Internal-combustion engines

Engine speed regulator

Having plural throttle valve structure

C123S337000, C029S890080, C029S888400

Reexamination Certificate

active

07806103

ABSTRACT:
An integrated valve device includes a casing having cylindrical portions each defining therein a fluid passage. The fluid passage accommodates a valve being adapted to opening and closing the fluid passage. A shaft extends through the valves to manipulate positions of the valves all together. Each cylindrical portion has a pair of wall portions each opposed to corresponding one sidewall surface of each of the valves. The pair of wall portions is located in a range out of an open-close range between a full close position and a full open position of the valve. Each wall portion has a protrusion for supporting the valve by being in direct contact with corresponding one of the sidewall surfaces when the protrusions of the pair of wall portions interpose therebetween the valve.

REFERENCES:
patent: 6979130 (2005-12-01), Stangier et al.
patent: 7305959 (2007-12-01), Letourneau et al.
patent: 2003/0131818 (2003-07-01), Gregoire
patent: 2005/0279310 (2005-12-01), Kondo et al.
patent: 2007/0144483 (2007-06-01), Torii et al.
patent: 195 04 256 (2003-09-01), None
patent: 2 391 907 (2004-02-01), None

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