Thermal control cooling system vacuum valve
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United States of America Patent
Stats
-
Aug 21, 2001
Grant Date -
N/A
app pub date -
Nov 5, 1999
filing date -
Nov 6, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cooling system closure includes a closure apparatus adapted to mount on a cooling system and formed to include a flow passage arranged to receive fluid discharged from the cooling system and a relief valve positioned to move between an opened position permitting fluid to flow through the flow passage and a closed position blocking the flow of fluid through the flow passage. The relief valve includes a temperature-activated element moving to a first position when heated to a first predetermined temperature to urge the relief valve to the closed position and a second position when cooled below a second predetermined temperature to permit the relief valve to move to the opened position.
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