Refrigerating apparatus

Details Refrigerating apparatus Refrigerating apparatus

1995-03-03

1996-05-14

Wayner, William E.

Refrigeration

Automatic control

Refrigeration producer

236 92B, G05D 2700, G05D 2330

Patent

active

055156959

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.

REFERENCES:
patent: 2191925 (1940-02-01), Kaufman
patent: 2244376 (1941-06-01), Spofford
patent: 2297872 (1942-10-01), Carter et al.
patent: 2400334 (1946-05-01), Berry
patent: 2577902 (1951-12-01), McGrath
patent: 2577903 (1951-12-01), McGrath
patent: 2787130 (1957-04-01), Kaufman
patent: 4461635 (1984-07-01), Rudebeck
patent: 4979372 (1990-12-01), Tanaka
patent: 5127237 (1992-07-01), Sendo et al.

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