Invention Grant
- Patent Title: U-shaped pulse-tube refrigerator
- Patent Title (中): U型脉管冰箱
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Application No.: US14188792Application Date: 2014-02-25
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Publication No.: US09574798B2Publication Date: 2017-02-21
- Inventor: Yoshikatsu Hiratsuka , Kyosuke Nakano
- Applicant: SUMITOMO HEAVY INDUSTRIES, LTD.
- Applicant Address: JP Tokyo
- Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.
- Current Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.
- Current Assignee Address: JP Tokyo
- Agency: IPUSA, PLLC
- Priority: JP2013-065160 20130326
- Main IPC: F25B9/00
- IPC: F25B9/00 ; F25B9/14

Abstract:
A U-shaped pulse-tube refrigerator includes a regenerative tube and a pulse-tube that are juxtaposed with each other; a communicating path that connects a low-temperature end of the regenerative tube and a low-temperature end of the pulse-tube; a heat exchanger that is provided at the low-temperature end of at least one of the regenerative tube and the pulse-tube; and a flow smoothing member that is provided between a first exit of the communicating path at a side where the heat exchanger is provided and the heat exchanger.
Public/Granted literature
- US20140290276A1 U-SHAPED PULSE-TUBE REFRIGERATOR Public/Granted day:2014-10-02
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