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. 05, 1992
Filed:
May. 15, 1990
Applicant:
Inventors:
Paul Sarkisian, Watertown, MA (US);
Fred Becker, Reading, MA (US);
Assignee:
Gas Research Institute, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F22B / ;
U.S. Cl.
CPC ...
122 / ; 237 56 ; 165 29 ;
Abstract
An efficient compact modulating or fixed firing rate hydronic heater is provided. A slotted single piece baffle encloses the heat exchange surface which is a wound finned tube, and improves gas flow contact with the heat exchange surface, thereby increasing the efficiency of heat transfer.