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:
Jan. 07, 1986
Filed:
Jan. 29, 1985
Applicant:
Inventor:
Robert F Check, Inwood, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24D / ;
U.S. Cl.
CPC ...
237 / ; 237 19 ; 126362 ; 236 / ;
Abstract
A domestic hot water zone controlled external coil which takes heated water from the hot water outlet of a hydronic boiler and passes the hot water through a tankless coil before returning it to the hydronic boiler. Return water from the tankless coil is returned to the hydronic boiler by using the existing circulator on an existing operating heating zone, which saves electrical energy. An aquastat and a unique analysis and switching circuit is also provided.