Low frequency pulse tube with oil-free drive

Details Low frequency pulse tube with oil-free drive Low frequency pulse tube with oil-free drive

F - Mech Eng,Light,Heat,Weapons

25

B

F25B 9/00 (2006.01)

Patent

CA 2559201

A pulse tube system for generating refrigeration for uses such as in magnetic resonance imaging systems or in high temperature superconductivity systems wherein an oil-free compressor (1) operating at a higher frequency generates pulsing gas which undergoes a frequency reduction and drives the pulse tube system at a more efficient lower frequency.

L'invention concerne un système de tube émettant des impulsions pour générer une réfrigération. Ce système est à utiliser notamment dans des systèmes d'imagerie par résonance magnétique ou dans des systèmes de superconductivité à température élevée. Dans ce système, un compresseur du type lubrifié à sec (1) fonctionnant à une fréquence supérieure génère un gaz d'impulsions subissant une réduction de fréquence et pilote le système de tube émettant des impulsions à une fréquence inférieure plus efficace.

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