Method of monitoring condenser performance and system therefor

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United States of America Patent

PATENT NO 4390058
SERIAL NO

06213095

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Abstract

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A method of monitoring the performance of a condenser and a system for carrying such method into practice, wherein a cooling water temperature, a cooling water flow rate, a condenser temperature and/or a heat flux through walls of cooling water tubes of the condenser are sensed by sensors to obtain values representing the operating conditions of the condenser, and an overall heat transmission coefficient or a heat transfer rate of the cooling water tubes is calculated at an arithmetic unit from the values representing the operating conditions. The cleanness of the cooling water tubes is calculated by an arithmetic unit from the value of the overall heat transmission coefficient or the heat transfer rate, and the performance of the condenser is judged by a performance judging unit based on the cleanness of the cooling water tubes.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTD6-6 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 1008280 ?1008280

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyai, Masahiko Mito, JP 7 159
Mukai, Yasuteru Hitachi, JP 7 182
Okouchi, Isao Hitachi, JP 12 271
Otake, Katsumoto Hitachi, JP 9 168

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