Refrigeration – Automatic control – Refrigeration producer
Patent
1986-05-14
1987-11-17
Wayner, William E.
Refrigeration
Automatic control
Refrigeration producer
622283, 417417, F04B 1704, F25B 100
Patent
active
047064706
ABSTRACT:
A system and apparatus for controlling the operation of a vibrating compressor using a predetermined frequency corresponding to the load thereof, comprising a first sensor for detecting a temperature of pressure corresponding to the saturated vapor pressure of a refrigerant sucked by a vibrating compressor, a second sensor for detecting a temperature or pressure corresponding to the saturated vapor pressure of the refrigerant compressed and discharged by the compressor, and a control section for generating a drive power of a predetermined frequency based on the temperatures and pressures detected by the first and second sensors, and characterized in that the compressor is driven by a drive power generated by the control section. In the present invention, the operation of the vibrating compressor can be controlled at the maximum efficiency by relating the frequency of an alternating current power fed to the vibrating compressor with the suction temperature or pressure and the discharge temperature of pressure of the refrigerant.
REFERENCES:
patent: 4027211 (1977-05-01), Omura et al.
patent: 4283920 (1981-08-01), Kainuma et al.
patent: 4320448 (1982-03-01), Okuda et al.
patent: 4416594 (1983-11-01), Ichikawa
patent: 4474537 (1984-10-01), Dolz
patent: 4514991 (1985-05-01), Zinsmeyer
Akazawa Naoki
Fujisawa Yoshiaki
Kawakami Naoya
Nishi Kazuhiko
Yamada Noriyoshi
Sawafuji Electric Co. Ltd.
Wayner William E.
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