Low frequency pulse tube system with oil-free drive

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

2006-12-05

2006-12-05

Doerrler, William C. (Department: 3744)

Refrigeration

Gas compression, heat regeneration and expansion, e.g.,...

Reexamination Certificate

active

07143587

ABSTRACT:
A pulse tube system for generating refrigeration for uses such as in magnetic resonance imaging systems wherein an oil-free compressor 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.

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