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US 2024/0191913 A1Published application
Pulse tube cryocooler and method for cooling down pulse tube cryocooler
AssigneeSumitomo Heavy Industries, Ltd.
InventorsKyosuke NAKANO, Yosuke MATSUMURA
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Abstract
A pulse tube cryocooler includes a cold head including a pulse tube and a radiator thermally coupled to a high-temperature end of the pulse tube, and a forced cooler that forcedly cools the radiator in a cool-down operation of the pulse tube cryocooler from an ambient temperature to a cryogenic temperature.
Claims9
A pulse tube cryocooler comprising:
- a cold head including a pulse tube and a radiator thermally coupled to a high-temperature end of the pulse tube;
- and
- a forced cooler configured to forcibly cool the radiator in a cool-down operation of the pulse tube cryocooler from an ambient temperature to a cryogenic temperature.
A method for cooling down a pulse tube cryocooler that includes a cold head including a pulse tube and a radiator thermally coupled to a high-temperature end of the pulse tube, the method comprising:
- performing cool-down of the pulse tube cryocooler from an ambient temperature to a cryogenic temperature;
- and
- forcedly cooling the radiator in the cool-down of the pulse tube cryocooler.
Dependencies are inferred from the claim text.