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:
Apr. 26, 2011

Filed:

Oct. 23, 2008
Applicant:

Nobuyuki Yuri, Wako, JP;

Inventor:

Nobuyuki Yuri, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/02 (2006.01); F01N 5/02 (2006.01); B60H 1/02 (2006.01); F24D 1/04 (2006.01); F24D 5/00 (2006.01); B60L 1/02 (2006.01); F01K 15/00 (2006.01); F01K 17/02 (2006.01); F02C 6/00 (2006.01); F02C 6/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

A cogeneration system that allows an engine to be continuously operated even when there is no demand for hot feedwater. The system comprises a hot water tank for storing hot water heated from cold water by heat released by an engine that drives a generator. When the heat of the water in the hot water tank exceeds a predetermined temperature, a control is performed so that a drain valve is opened and the hot water in the tank is released.


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