Refrigeration – Automatic control – Refrigeration producer
Patent
1996-07-23
1999-11-23
Wayner, William E.
Refrigeration
Automatic control
Refrigeration producer
62227, 62502, F25B 100, F25B 4100
Patent
active
059879076
ABSTRACT:
A refrigerant circulation system of the present invention includes a compressor, a condenser, a evaporator, a throttle device and a control unit. The control unit controls a composition of a refrigerant circulating in the refrigerant circulation system based on a temperature and pressure of the refrigerant of an inlet and outlet portion of the compressor, condenser, evaporator and throttle device. The control unit controls to open and close the throttle device to change the composition of the refrigerant circulating in the refrigerant circulation system.
REFERENCES:
patent: 4230470 (1980-10-01), Matsuda et al.
patent: 5056329 (1991-10-01), Wilkisson
patent: 5186012 (1993-02-01), Czachorski et al.
patent: 5297392 (1994-03-01), Takata et al.
patent: 5353604 (1994-10-01), Oguni et al.
Hitomi Fujio
Iijima Hitoshi
Kasai Tomohiko
Miyamoto Moriya
Morimoto Osamu
Mitsubishi Denki & Kabushiki Kaisha
Wayner William E.
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