Refrigerant control valve apparatus
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United States of America Patent
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Sep 11, 2018
Grant Date -
Nov 23, 2017
app pub date -
Sep 25, 2015
filing date -
Dec 12, 2014
priority date (Note) -
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Abstract
A refrigerant control valve apparatus includes a valve body provided with a main control valve controlling the refrigerant sent to a discharge port and a temperature sensing control valve controlling supply and discharge of the refrigerant to a temperature sensing chamber. A fail-safe mechanism is provided which supplies the refrigerant to the discharge port in a case where the temperature of the refrigerant exceeds a set value. The temperature sensing control valve is set in an open posture in a case where the main control valve is in a closed posture that closes the discharge port and the temperature sensing control valve is set in a closed posture in a case where the main control valve is in an open posture that opens the discharge port.
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