System and method for sealing a fluid system in a safety condition
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United States of America Patent
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Sep 8, 2020
Grant Date -
Feb 22, 2018
app pub date -
Aug 18, 2016
filing date -
Aug 18, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A system comprises a pipe defining a fluid passage, the pipe having a first rate of thermal expansion. A housing defines an opening for receiving an end of the pipe for fluid circulation between the fluid passage and an interior of the housing, the housing having a second rate of thermal expansion lesser than the first rate of thermal expansion, at least one annular gap defined between a periphery of the opening and the end of the pipe when the system is below a safety condition threshold temperature. Seal(s) seal the annular gap, wherein the pipe and the housing are configured and the first and second rates of thermal expansion are selected so that, when the system exceeds the safety condition threshold temperature, the end of the pipe contacts the periphery of the opening by thermal expansion to seal the annular gap independent of the at least one seal.
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