Air conditioner having refrigerant pressure control means and dr

Details Air conditioner having refrigerant pressure control means and dr Air conditioner having refrigerant pressure control means and dr

1996-11-14

1998-11-03

Bennett, Henry A.

Refrigeration

Automatic control

Refrigeration producer

62114, 62502, F25B 100

Patent

active

058292640

ABSTRACT:
An air conditioner including at least two kinds of refrigerant which are circulated in a refrigerant circuit and have different characteristics, a calculator for calculating the driving capacity of a compressor in accordance with a request load of the refrigerant circuit and outputting a driving capacity signal representing the driving capacity, a driving unit for controlling the driving capacity of the compressor so as to obtain the driving capacity corresponding to the driving capacity signal of the calculator, and correcting means for correcting the driving capacity signal so as to reduce the driving capacity when the refrigerant pressure in the refrigerant circuit exceeds a first pressure value.

REFERENCES:
patent: 4218890 (1980-08-01), Vakil et al.
patent: 4798057 (1989-01-01), Okamoto et al.
patent: 4831836 (1989-05-01), Matsuoka
patent: 5259211 (1993-11-01), Ikeda
patent: 5295363 (1994-03-01), Oomura et al.

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