Economizer control for two-stage compressor systems

Details Economizer control for two-stage compressor systems Economizer control for two-stage compressor systems

1995-05-18

1996-12-10

Wayner, William E.

Refrigeration

Automatic control

Diverse, cascade or compound refrigeration-producing system

62203, 62505, F25B 3100, F25B 700

Patent

active

055820220

ABSTRACT:
In a refrigeration system having low and high stage compressors and a subcooler or economizer, economizer gas is selectively supplied to the compressor motors for cooling and to the suction of the high stage to increase capacity. By selectively controlling the delivery of the economizer gas, efficiency of the refrigeration system is increased.

REFERENCES:
patent: 3859815 (1975-01-01), Kasahara
patent: 3869874 (1975-03-01), Ditzler
patent: 4245476 (1981-01-01), Shaw
patent: 4833893 (1989-05-01), Morita
patent: 4899555 (1990-02-01), Shaw
patent: 4947655 (1990-08-01), Shaw
patent: 5056329 (1991-10-01), Wilkinson

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