Patent ID: 11913697
Assignee: THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF THE NAVY
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
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.