CPC F25B 9/14 (2013.01) [F25B 2309/003 (2013.01); F25B 2309/14 (2013.01)] | 7 Claims |
1. A pneumatic cryocooler capable of operation in a strong magnetic field, comprising:
a cryocooler assembly having a first end and a second end,
the first end comprising a rotary valve, a plurality of ports for a cryogenic fluid, and a motor mount;
the second end comprising a heat exchanger; and
a pneumatic motor assembly comprising a pneumatic motor, the pneumatic motor assembly operably connected to the motor mount on the first end of the cryocooler assembly;
wherein the cryocooler assembly is a GM cryocooler assembly, the plurality of ports carrying cryogenic fluid supplies the cryocooler assembly with the cryogenic fluid, and the plurality of ports comprise separate ports for the cyrogenic fluid and a pneumatic fluid, the pneumatic fluid being different from the cryogenic fluid, and the pneumatic fluid being directed to the pneumatic motor.
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