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:
Nov. 26, 2013
Filed:
Apr. 25, 2008
Applicants:
Motokazu Saito, Tokyo, JP;
Mingyao Xu, Tokorozawa, JP;
Inventors:
Motokazu Saito, Tokyo, JP;
Mingyao Xu, Tokorozawa, JP;
Assignee:
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 9/00 (2006.01); F25B 19/00 (2006.01); F25J 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pulse-tube refrigerating machine includes: a compressor that pressurizes a refrigerant gas; a regenerator tube accommodating a regenerator material therein; a pulse-tube having of a hollow cylinder through which the refrigerant gas flows; an intake valve and an exhaust valve provided between the compressor and the regenerator tube. A heat-shielding material is provided to at least a portion of at least one of a first wall forming a portion of the pulse-tube and a second wall contacting a portion of the pulse-tube.