Regenerative refrigerator
AssigneeSumitomo Heavy Industries, Ltd.
InventorsTian Lei, Mingyao Xu
Life of this patent
Estimating the term…
Abstract
A first regenerator of a regenerative refrigerator includes a first regenerator member and a first cylinder accommodating the first regenerator member. A second regenerator includes a second regenerator member and a second cylinder accommodating the second regenerator member and may be connected to a low temperature end of the first regenerator. A gas pipe guides a coolant gas discharged from the first regenerator to a portion in the middle of the second regenerator. The gas pipe may include a plurality of gas relief holes in the middle of the gas pipe.
Claims13
A regenerative refrigerator comprising:
- a first regenerator including a first regenerator member and a first cylinder accommodating the first regenerator member;
- a second axially extending regenerator including a second regenerator member and a second cylinder accommodating the second regenerator member, the second axially extending regenerator being connected to a low temperature end of the first regenerator, the second regenerator member formed of spheres, an internal volume of the second axially extending regenerator filled with the second regenerator member;
- and
- a bypass gas pipe extending partway within the internal volume along the second axially extending regenerator for guiding a coolant gas discharged from the first regenerator to an axially middle portion of a high temperature region of the second regenerator member.
A regenerative refrigerator comprising:
- a first regenerator including a first regenerator member and a first cylinder accommodating the first regenerator member;
- a second axially extending regenerator including a second regenerator member and a second cylinder accommodating the second regenerator member, the second axially extending regenerator being connected to a low temperature end of the first regenerator;
- a bypass gas pipe extending to an axially middle portion of the second axially extending regenerator such as to guide a coolant gas discharged from the first regenerator to the axially middle portion of the second axially extending regenerator;
- a compressor that compresses a coolant gas;
- a first pulse tube including a high temperature end connected to the compressor and a low temperature end;
- and
- a low temperature end connecting pipe that connects the low temperature end of the first pulse tube and a low temperature end of the first cylinder, wherein
- the bypass gas pipe comprises a branch branching at a middle of the low temperature end connecting pipe and connecting a middle of the low temperature end connecting pipe to the axially middle portion of the second axially extending regenerator for guiding a portion of the coolant gas discharged from the first regenerator and flowing through the low temperature end connecting pipe to the axially middle portion of the second axially extending regenerator.
Dependencies are inferred from the claim text.