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.
Patent No.:
Date of Patent:
Jul. 17, 1990
Filed:
Jun. 29, 1988
Applicant:
Inventors:
Mamoru Suzuki, Hitachi, JP;
Katsumi Suzuki, Hitachi, JP;
Kazutoshi Itoh, Hitachi, JP;
Akira Minato, Hitachi, JP;
Tsuyoshi Kambayashi, Hitachi, JP;
Yoshiyuki Hoshino, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210175 ; 210188 ; 210222 ;
Abstract
Magnetic attracting means, especially a permanent magnet, is disposed in a high pressure feed water heater drain pipe line or air separator water tank of feed water and condensed water systems in a thermoelectric power plant. By adoption of this arrangement, iron oxides contained in water in the feed water and condensed water systems can effectively be attracted and removed by this magnetic attracting means.