Lubrication of a hermetic carbon dioxide compressor

Details Lubrication of a hermetic carbon dioxide compressor Lubrication of a hermetic carbon dioxide compressor

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 39/02 (2006.01) F04C 23/00 (2006.01) F04C 29/02 (2006.01) F04D 29/063 (2006.01)

Patent

CA 2540790

A hermetic compressor for compressing refrigerant comprises a housing including at least a first and second compartment. A motor is mounted in the first compartment and a compression mechanism is located in the second compartment. Gas compressed by the compression mechanism is discharged into the second compartment. A drive shaft operatively couples the motor and the compression mechanism and a lubricating oil sump is formed in the second compartment. A discharge tube is located in the second compartment through which refrigerant gas in the second compartment exits the compressor. The discharge tube includes means for aspirating oil from the oil sump when the oil in the oil sump reaches a particular level.

Compresseur hermétique pour comprimer un fluide réfrigérant qui comprend un boîtier avec au moins des premier et deuxième compartiments. Un moteur est installé dans le premier compartiment et un mécanisme de compression est placé dans le deuxième compartiment. Un gaz comprimé par le mécanisme de compression est évacué dans le deuxième compartiment. Un arbre d'entraînement relie de manière fonctionnelle le moteur et le mécanisme de compression et un carter d'huile lubrifiante est formé dans le deuxième compartiment. Un tube d'évacuation est situé dans le deuxième compartiment à travers lequel le gaz réfrigérant du deuxième compartiment sort du compresseur. Le tube d'évacuation dispose de moyens pour aspirer l'huile du carter d'huile lorsque l'huile dans le carter d'huile atteint un certain niveau.

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