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:
May. 03, 1983
Filed:
Oct. 23, 1980
Applicant:
Inventors:
Dennis C Granetzke, Racine, WI (US);
Neal A Cook, Racine, WI (US);
Assignee:
Modine Manufacturing Company, Racine, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60H / ;
U.S. Cl.
CPC ...
165 40 ; 126420 ;
Abstract
A self-draining heat exchanger that is particularly adaptable in solar heat systems that drains automatically when the flow of liquid such as water is interrupted. The exchanger includes a plurality of tubes arranged for sequential flow of liquid therethrough with drainage valve means that are held closed by the inflowing liquid and that are opened by the weight of the liquid within the heat exchanger when this flow is interrupted to drain the liquid containing parts of the heat exchanger.