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. 18, 2001

Filed:

Mar. 23, 2000
Applicant:
Inventors:

Kazuhiro Togawa, Saitama, JP;

Kichitarou Oyama, Saitama, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60H 1/02 ;
U.S. Cl.
CPC ...
B60H 1/02 ;
Abstract

A cogeneration apparatus is arranged to properly respond to a plurality of separate demands for supplying the thermal energy. A hot water storage tank,is provided for storing a first hot water produced using waste heat from an engine generator,A first heat exchanger,for producing the first hot water and a second heat exchanger,for producing a second hot water by drawing heat from the first hot water are provided in the hot water storage tank,A temperature sensor TS,is provided between the first heat exchanger,and the second heat exchanger,while a second temperature sensor TS,is provided above the second heat exchanger,A controller,control the operation of the engine generator,in response to the conditions of thermal loads,and,determined by the measurements of temperature detected by the temperature sensors TS,and TS,Also, a re-heating boiler,is provided for heating the second hot water to be supplied to the thermal load


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