The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9574798 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 21, 2017

Filed:

Feb. 25, 2014
Applicant:

Sumitomo Heavy Industries, Ltd., Tokyo, JP;

Inventors:

Yoshikatsu Hiratsuka, Tokyo, JP;

Kyosuke Nakano, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 9/00 (2006.01); F25B 9/14 (2006.01);
U.S. Cl.
CPC ...
F25B 9/145 (2013.01); F25B 2309/1408 (2013.01); F25B 2309/1413 (2013.01);
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.


Find Patent Forward Citations

Hiratsuka, Yoshikatsu. (2017). U-shaped pulse-tube refrigerator (U.S. Patent No. 9574798). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9574798

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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