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US 2022/0290902 A1Published application
Cryocooler
AssigneeSumitomo Heavy Industries, Ltd.
InventorsTakahiro KUROMOTO, Yosuke MATSUMURA
Life of this patent
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Abstract
A cryocooler includes a displacer that includes a lid portion and a main body portion, a displacer drive shaft that includes a collar portion held between the lid portion and the main body portion, and a buffer that is disposed in a clearance between the collar portion and the lid portion or between the collar portion and the main body portion and includes a soft material and a hard material disposed on an opposite side to the collar portion with respect to the soft material.
Claims5
A cryocooler comprising:
- a displacer that includes a lid portion and a main body portion;
- a displacer drive shaft that includes a collar portion held between the lid portion and the main body portion;
- and
- a buffer that is disposed in a clearance between the collar portion and the lid portion, or between the collar portion and the main body portion, wherein the buffer includes a soft material and a hard material disposed on an opposite side to the collar portion with respect to the soft material.
1 more element
Dependencies are inferred from the claim text.