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:
Sep. 30, 2003

Filed:

Nov. 28, 2001
Applicant:
Inventors:

Satoshi Nomura, Kariya, JP;

Hisayoshi Sakakibara, Nishio, JP;

Eiji Takahashi, Toyohashi, JP;

Tomohisa Yoshimi, Gamagori, JP;

Tomoaki Kobayakawa, Tokyo, JP;

Kazutoshi Kusakari, Urawa, JP;

Michiyuki Saikawa, Zushi, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 1/02 ;
U.S. Cl.
CPC ...
H05B 1/02 ;
Abstract

In a control unit of a hot-water supply system, a boiling time period is estimated based on a hot-water amount stored in a tank at a time of 23:00, a boiling start time is adjusted so that boiling operation is finished at a time immediately before 7:00. For example, when the hot water amount stored in the tank is smaller at the time of 23:00, the boiling time period is made longer and the boiling start time is made earlier. On the other hand, when the hot water amount stored in the tank is larger at the time of 23:00, the boiling time period is made shorter and the boiling start time is made later.


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