Butterfly valves and intake air control devices for internal...

Details Butterfly valves and intake air control devices for internal... Butterfly valves and intake air control devices for internal...

2007-10-05

2008-10-28

Vo, Hieu T (Department: 3747)

Internal-combustion engines

Engine speed regulator

Specific throttle valve structure

Reexamination Certificate

active

07441542

ABSTRACT:
The present invention includes a butterfly valve that has a resin valve body and a shaft. The shaft includes a first shaft member and a second shaft member. The first and second shaft members are integrated with the valve body. The first and second shaft members are spaced from each other in an axial direction by a predetermined distance.

REFERENCES:
patent: 7055497 (2006-06-01), Maehara et al.
patent: 7080628 (2006-07-01), Kado et al.
patent: 7337764 (2008-03-01), Pringle et al.
patent: 2001-074156 (2001-03-01), None

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