Passage control device

Details Passage control device Passage control device

2008-11-24

2011-11-08

Fox, John (Department: 3753)

Valves and valve actuation

Rotary valves

Butterfly

Reexamination Certificate

active

08052118

ABSTRACT:
A passage intake control device includes a passage member, a valve disposed in the passage member and a shaft passing through a through hole of a valve shaft part of the valve. The valve shaft part includes a fitting hole portion as a part of the through hole. The fitting hole portion is provided by at least a first wall, a second wall, a third wall and a fourth wall. The shaft includes a fitting part having a polygonal shape including at least a first shaft surface a second shaft surface, a third shaft surface and a fourth shaft surface. The fitting part is fitted in the fitting hole portion such that the first to fourth shaft surfaces are opposed to the first to fourth walls of the fitting hole portion, respectively. The first and second walls have protruded ribs. The third and fourth walls include flat portions.

REFERENCES:
patent: 5255891 (1993-10-01), Pearson et al.
patent: 6446934 (2002-09-01), Bonomi
patent: 6763802 (2004-07-01), Brassell
patent: 7219652 (2007-05-01), Ino et al.
patent: 2007/0063164 (2007-03-01), Torii et al.
patent: 07-167309 (1995-07-01), None
patent: 2002-317718 (2002-10-01), None
patent: 2007-239647 (2007-09-01), None
Japanese Office Action dated Jul. 27, 2009, issued in corresponding JP Application No. 2007-307392, with English translation.

Affiliated with

Also associated with

Rating

Passage control device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Passage control device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Passage control device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4311778