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:
Mar. 07, 2006
Filed:
Jul. 14, 2003
Applicants:
Shuqing Cui, Valparaiso, IN (US);
Neil Rolph, LaPorte, IN (US);
Ayman Abdel-rehim, Michigan City, IN (US);
Inventors:
Shuqing Cui, Valparaiso, IN (US);
Neil Rolph, LaPorte, IN (US);
Ayman Abdel-Rehim, Michigan City, IN (US);
Assignee:
United Dominion Industries, Inc., Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24D 3/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A small and compact boiler for providing hot water for indoor heating and domestic hot water and method of operation are provided. The boiler includes a three way valve configured to circulate boiler water through a heating circuit when indoor heat is required, and bypass the heating circuit and circulate the boiler water through the heat exchanger to enable production of domestic hot water.