Valve with an AND-function
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United States of America Patent
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May 8, 2012
Grant Date -
Feb 11, 2010
app pub date -
Jun 30, 2007
filing date -
Jun 30, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A valve (1) with a AND gate function has a valve member (2) cooperating with moving passage members (23a and 23b) in a valve housing (3) in order to control connections between one outlet (A) and two inlets (E1 and E2). If the pressure difference present at the input side goes above a threshold value, the valve member (2) can thrust back one of the passage members (23a and 23b) against the stressing force of the stressing means (34a and 34b) in order to separate the outlet (A) simultaneously from both inlets (E1 and E2). Accordingly a safety and/or a logic function may be implemented.
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