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.

Date of Patent:
Dec. 05, 2006

Filed:

Oct. 30, 2002
Applicants:

Hikaru Nonaka, Ibaraki, JP;

Shinji Hirai, Ibaraki, JP;

Yoshihiko Uenoyama, Takatsuki, JP;

Tsutomu Sakuma, Ibaraki, JP;

Susumu Saruta, Osaka, JP;

Shoji Hashimoto, Ibaraki, JP;

Inventors:

Hikaru Nonaka, Ibaraki, JP;

Shinji Hirai, Ibaraki, JP;

Yoshihiko Uenoyama, Takatsuki, JP;

Tsutomu Sakuma, Ibaraki, JP;

Susumu Saruta, Osaka, JP;

Shoji Hashimoto, Ibaraki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01K 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A refrigerator of the present invention includes a refrigerating cycle including a compressor, a condenser, an expander and an evaporator and filled with a flammable refrigerant, a load detector detecting a change in load of the compressor, and a control device detecting a damage which is a cause for leak of the refrigerant from the refrigerating cycle, based on a detection output of the load detector.


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