Scroll machine having liquid injection controlled by internal va

Details Scroll machine having liquid injection controlled by internal va Scroll machine having liquid injection controlled by internal va

1995-06-07

1997-06-24

Wayner, William E.

Refrigeration

Automatic control

Refrigeration producer

62505, 418 556, F25B 4100, F01C 102

Patent

active

056408544

ABSTRACT:
A scroll compressor includes a liquid injection system. The liquid injection system receives liquid refrigerant from the refrigeration system at a point between the condenser and the evaporator. This liquid refrigerant is then injected into at least one enclosed space defined by the scrolls of the scroll compressor. The liquid injection system includes a valve which selectively controls the flow of liquid refrigerant to the enclosed space. The valve is responsive to the discharge pressure of the compressor.

REFERENCES:
patent: 2309405 (1943-01-01), Matteson
patent: 2577107 (1951-12-01), Cooper
patent: 4936112 (1990-06-01), Miller
patent: 4974427 (1990-12-01), Diab
patent: 5076067 (1991-12-01), Prenger et al.
patent: 5103652 (1992-04-01), Mizuno et al.
patent: 5174740 (1992-12-01), Jang
patent: 5329788 (1994-07-01), Caillat et al.
patent: 5469716 (1995-11-01), Bass et al.

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