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:
Nov. 01, 1977
Filed:
Apr. 08, 1976
Applicant:
Inventor:
Barrie James Martin, Shenfield, EN;
Assignee:
The Plessey Company Limited, Ilford, EN;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24B / ; F28F / ; F28F / ;
U.S. Cl.
CPC ...
165176 ; 122338 ; 1223 / ; 165125 ; 165151 ; 165171 ;
Abstract
A heat exchanger for central heating in which water to be heated passes through a circular array of parallel tubes. Hot gas passes over the outside of the tubes and heats the water up. Metal wire interlaces the tubes and helps conduction heat from the gas to the water. Preferably the arrangement of tubes and wires is metal coated to further help the heat conduction.