Air-conditioning system

Details Air-conditioning system Air-conditioning system

2005-05-03

2005-05-03

Tanner, Harry B. (Department: 3744)

Refrigeration

Automatic control

Refrigeration producer

C062S228500, C417S222200

Reexamination Certificate

active

06886355

ABSTRACT:
An air-conditioning system with a refrigerant medium circulating in a refrigerant loop has a variable-stroke compressor with a high-pressure outlet chamber, a drive chamber and an intake suction chamber. A first valve regulates a first flow of refrigerant medium from the high-pressure outlet chamber to the drive chamber, and a second valve regulates a second flow of refrigerant medium from the drive chamber to the intake suction chamber. The first and second valves operate independently of each other under the control of a control unit, and the variable stroke of the compressor is controlled by the first and/or second flow of refrigerant medium.

REFERENCES:
patent: 4880356 (1989-11-01), Suzuki et al.
patent: 6213728 (2001-04-01), Kato et al.
patent: 6247322 (2001-06-01), Ban et al.
patent: 6332496 (2001-12-01), Takano et al.
patent: 196 07 032 (1996-09-01), None
patent: 0 742 116 (1996-11-01), None

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