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:
May. 15, 2012

Filed:

Jul. 21, 2010
Applicant:

Yasushi Kanai, Wako, JP;

Inventor:

Yasushi Kanai, Wako, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a power supply system () having a cogeneration unit () equipped with an internal combustion engine () and a generator () to generate power to be supplied to a power destination and hot water to be supplied to a hot water destination, there are provided with a natural energy generation unit () that generates power with natural energy, a power supply unit () that receives the power generated by the generator and natural energy generation unit to supply the received power to the power destination; a voltage detector () that detects voltage (V) of the power flowing through an connecting bus (), and an electric heater (). The power supply unit () controls operation of the electric heater based on the detected connecting bus power voltage (V), thereby effectively utilizing surplus electricity without transmitting back it to a commercial power source.


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