Vapor pressure control system
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United States of America Patent
Stats
-
Sep 19, 1989
Grant Date -
N/A
app pub date -
Feb 29, 1988
filing date -
Feb 29, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure control system for a storage tank, including a supply of working fluid under pressure. A conduit establishes fluid communication between the supply and the storage tank. A supply regulator is provided in the conduit for maintaining a substantially constant pressure to the storage tank. A tank regulator is provided in the conduit between the supply regulator and the storage tank for selectively admitting the substantially constant pressure as a function of temperature to the storage tank. A control selectively operates the tank regulator in response to given conditions, such as temperature conditions, in the storage tank.
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