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:
Jan. 23, 2007
Filed:
May. 21, 2004
Katsumi Mabuchi, Ibaraki, JP;
Heihatiro Midorikawa, Ibaraki, JP;
Tomoko Kikuchi, Ibaraki, JP;
Takashi Honda, Ibaraki, JP;
Michihiko Aizawa, Ibaraki, JP;
Masahiko Ito, Ibaraki, JP;
Katsumi Mabuchi, Ibaraki, JP;
Heihatiro Midorikawa, Ibaraki, JP;
Tomoko Kikuchi, Ibaraki, JP;
Takashi Honda, Ibaraki, JP;
Michihiko Aizawa, Ibaraki, JP;
Masahiko Ito, Ibaraki, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An absorption refrigerator includes a high temperature regenerator for heating a water solution including a halogen compound to generate steam. An oxide film having thickness of 0.02–5.0 μm, one of the colors blue, purple and gray, or a hydroxyl group is formed on a surface of at least one of the high temperature regenerators and the heat exchanger.