Exhaust gas recirculation valve and method of producing...

Details Exhaust gas recirculation valve and method of producing... Exhaust gas recirculation valve and method of producing...

2011-08-16

2011-08-16

Bastianelli, John (Department: 3753)

Valves and valve actuation

Mechanical movement actuator

Particularly packed or sealed

C251S337000, C403S314000, C123S568110

Reexamination Certificate

active

07997557

ABSTRACT:
A valve shaft8and a drive shaft11of an EGR valve1are butted to each other; protrusions26a,26b,27a, and27bformed on the inner sides of cotter members24, 25of a cotter23are engaged with grooves21, 22respectively formed on the outer peripheral surfaces of the ends of the shafts8, 11; the urging force of a spring28for exerting an urging force in the closing direction of valve disks6, 7on the cotter23is applied to the cotter23through a spring holder30to press the protrusions26a,26b,27a, and27bto the grooves21, 22.

REFERENCES:
patent: 4742989 (1988-05-01), Akagi
patent: 5184593 (1993-02-01), Kobayashi
patent: 5713315 (1998-02-01), Jyoutaki et al.
patent: 5937835 (1999-08-01), Turner et al.
patent: 6193211 (2001-02-01), Watanabe et al.
patent: 2003/0116743 (2003-06-01), Kawasaki
patent: 8-49785 (1996-02-01), None
patent: 8-151963 (1996-06-01), None
patent: 9-32654 (1997-02-01), None
patent: 11-62724 (1999-03-01), None
patent: 2004-52648 (2004-02-01), None

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