Temperature-sensitive safety valve assembly
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United States of America Patent
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Jul 1, 1997
Grant Date -
N/A
app pub date -
Apr 17, 1996
filing date -
Apr 17, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A temperature sensitive safety valve assembly includes a housing for mounting at a faucet outlet and a safety valve element consisting of a rigid cap and an elastic bellows containing a body of temperature sensitive material. Below a predetermined temperature, the bellows has a first condition permitting flow of water towards the faucet outlet. Above the predetermined temperature, the bellows has a second condition restricting flow of water. The bellows also has a third condition, actuated by loss of at least a portion of the body of temperature sensitive material, in which a seal surface of the cap engages with an opposed seat surface of the housing to restrict flow of water towards the faucet outlet.
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