Diverter valve with multiple valve seat rings

Details Diverter valve with multiple valve seat rings Diverter valve with multiple valve seat rings

2006-02-21

2006-02-21

Chambers, A. Michael (Department: 3753)

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

System comprising plural fluidic devices or stages

C137S831000, C137S832000, C137S872000, C137S112000, C137S118060, C251S368000, C244S003220

Reexamination Certificate

active

07000638

ABSTRACT:
A diverter valve includes a valve bore having a set of valve seats associated with each fluid outlet port. Each set of valve seats is at least partially separated from one another by a flow channel. The valve seat configuration increases the impact area for the valve element. As a result, the impact force upon seating against the valve seats is reduced. Moreover, by including flow channels between the sets of valve seats, the switching force and performance of the valve element is not adversely affected.

REFERENCES:
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patent: 5927335 (1999-07-01), Christensen
patent: 6926036 (2005-08-01), Christensen

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