Device for surveillance of a gas-filled chamber to monitor leaks
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United States of America Patent
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Jul 13, 1993
Grant Date -
N/A
app pub date -
Oct 15, 1990
filing date -
Oct 14, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for monitoring the sealing properties of a gas-filled chamber is provided. The temperature-sensitive device is formed out of a thermally-reacting element (14, 19, 20, 24). The element changes its dimensional length depending on a temperature change. The element (14, 19, 20, 24) is disposed between a pressure measurement device (6, 11) and a valve (7, 8; 9, 10), serving as a signal generator. The device can be used for a monitoring of the pressure in a vehicle tire or of the gas density in a vehicle tire.
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