Refrigerating apparatus
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United States of America Patent
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-
May 14, 1996
Grant Date -
N/A
app pub date -
Mar 3, 1995
filing date -
Mar 3, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An adsorbent enclosed in a gas control tube communicating with a thermosensitive tube of an expansion valve via a capillary tube adsorbs a refrigerant gas enclosed in the hermetically sealed space from a thermosensitive tube to a gas control tube. When this is heated by an electric heater, there is discharge of the refrigerant gas that was adsorbed up to then so that passage of current to the electric heater stops and there is adsorption of the refrigerant gas at normal temperature to a saturation state. As a result, if the electric current to the electric heater is stopped so that the adsorbent adsorbs the refrigerant gas, the pressure in the thermosensitive chamber (hermetically sealed space) drops and an expansion valve closes completely.
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