Refrigerating device

F - Mech Eng,Light,Heat,Weapons – 25 – B

Patent

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Details

F25B 5/02 (2006.01) F25B 1/00 (2006.01) F25B 13/00 (2006.01) F25B 1/10 (2006.01)

Patent

CA 2440384

A refrigerating apparatus including three compressors (2A, 2B, 2C) and application side heat exchangers (41) (45, 51) for two channels is formed so that a first compressor (2A) is used only for the application side heat exchangers (45, 51) in a first channel of a circuit, a third compressor (2C) is used only for the application side heat exchanger (41) in a second channel of the circuit, and a second compressor (2B) is used in a switchable manner between the application side heat exchangers (45, 51) in the first channel of the circuit and the application side heat exchanger (41) in the second channel of the circuit. Thus, not only the pipe arrangement at suction side is simplified, but also operation control is streamlined.

La présente invention concerne un dispositif de réfrigération comprenant trois compresseurs (2A, 2B, 2C) et deux systèmes d'échangeurs thermiques côté utilisation (41), (45, 51). Le dispositif de l'invention est conçu de sorte que le premier compresseur (2A) est utilisé exclusivement pour les échangeurs thermiques côté utilisation (45, 51) du circuit côté premier système alors que le troisième compresseur (2C) est utilisé exclusivement pour l'échangeur thermique côté utilisation (41) du circuit côté second système, et de sorte que le second compresseur (2B) fonctionne par commutation entre les échangeurs thermiques côté utilisation (45, 51) du circuit côté premier système et l'échangeur thermique côté utilisation (41) du circuit côté second système, la tuyauterie côté aspiration se trouvant simplifiée, tout comme la commande de fonctionnement.

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