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:
Aug. 26, 1980
Filed:
May. 24, 1978
Applicant:
Inventors:
Masahiro Furukawa, Tokyo, JP;
Yoshikuni Ohshima, Hitachi, JP;
Assignee:
Hitachi, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28B / ; F28F / ;
U.S. Cl.
CPC ...
165114 ; 122441 ; 165161 ; 165163 ;
Abstract
A multitubular heat exchanger used in a power plant is provided with a bundle of U-shaped heat transfer tubes and a vent tube. The vent tube is located between an upper portion and a lower portion of the bundle of U-shaped heat transfer tubes. A steam flow guide plate is located above a hole of the vent tube and below the upper portion of the bundle of U-shaped heat transfer tubes. The steam flow guide plate obstruct a downward steam flow from the upper portion of the bundle toward the vent tube.