Economizer control with variable capacity

Details Economizer control with variable capacity Economizer control with variable capacity

1991-05-03

1992-03-17

Tanner, Harry B.

Refrigeration

Processes

Transferring heat between diverse function portions of...

62117, 62200, 62175, 62513, F25B 700, F25B 4100

Patent

active

050957120

ABSTRACT:
A refrigeration circuit is provided in which economizer control is provided together with variable capacity control. Constant cooling is achieved by controlling an economizer cycle responsive to the suction pressure of the compressor. Additionally, compressor discharge temperature is controlled by controlling the portion of liquid refrigerant supplied to the interstage line.

REFERENCES:
patent: 2388556 (1945-11-01), Lathrop
patent: 2717765 (1955-09-01), Lawler, Jr.
patent: 3150498 (1964-09-01), Blake
patent: 4316366 (1982-02-01), Manning
patent: 4696168 (1987-09-01), Woods et al.
patent: 4787211 (1988-11-01), Shaw

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