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:
Apr. 13, 1993
Filed:
Feb. 26, 1992
Gary W Liljenberg, Brooklyn, OH (US);
Richard K Nelson, Brecksville, OH (US);
John E Schmidt, Sr, Cleveland, OH (US);
Gas Research Institute, Chicago, IL (US);
Abstract
A gas-fired booster water heater for providing water at the sanitizing temperature to a commercial dishwashing machine includes an outer housing which is sized to be installed below a counter and contains a burner comprising a burner box and combustion chamber separated by an infrared burner combustion surface facing into the combustion chamber. A heat exchanger includes finned tubes disposed in the combustion chamber for continuous circulation therethrough of water to be heated during heater operation. The heater housing includes an access opening through which the burner box together with the combustion surface may be disconnected from the combustion chamber and withdrawn as a unit for service or repair without removal of the heater from its installed position below the counter.