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.:
Date of Patent:
Sep. 05, 2017
Filed:
Nov. 25, 2014
Applicant:
Sumitomo Heavy Industries, Ltd., Shinagawa-ku, JP;
Inventors:
Tian Lei, Nishitokyo, JP;
Mingyao Xu, Nishitokyo, JP;
Assignee:
SUMITOMO HEAVY INDUSTRIES, LTD., Shinagawa-Ku, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 9/00 (2006.01); F25B 9/14 (2006.01); F25B 9/10 (2006.01);
U.S. Cl.
CPC ...
F25B 9/14 (2013.01); F25B 9/10 (2013.01); F25B 2309/1415 (2013.01); F25B 2309/1418 (2013.01); F25B 2309/1421 (2013.01); F25B 2309/1425 (2013.01);
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.