Extra support area for valve disc

Details Extra support area for valve disc Extra support area for valve disc

2005-05-31

2005-05-31

Siconolfi, Robert A. (Department: 3683)

Brakes

Internal-resistance motion retarder

Resistance alters relative to direction of thrust member

C188S282600, C188S322140

Reexamination Certificate

active

06899207

ABSTRACT:
A valve for controlling fluid flow through a passage defined by a valve body or a piston includes a valve disc which abuts the valve body or the piston. The valve body or the piston defines a first land for supporting the valve disc, a second land for supporting the valve disc located radially inward from the first land and a support surface for the valve disc located between the first and second lands. This valve disc abuts the first and second lands and a clearance is defined between the valve disc and the support surface.

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patent: 5424398 (1995-06-01), Middeldorp et al.
patent: 5813500 (1998-09-01), Deferme
patent: 6382372 (2002-05-01), Keil et al.
patent: 6672436 (2004-01-01), Keil et al.

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