Patent ID: 6044803
Filing Date: 2000-04-04
Classification: F24H

Abstract:
An improved water heater apparatus, comprising:a water heating tank having generally cylindrical sidewalls with upper and lower ends, each of which is closed by an upper and lower transverse wall section, respectively, to define a closed interior for the tank, the upper transverse wall section being located at an angle with respect to the lower transverse wall section, whereby the upper transverse wall section is slanted with respect to the lower transverse wall section, the tank also having a water inlet and a water outlet;a plurality of vertically arranged fire tubes located within the tank closed interior and extending between the upper and lower transverse wall sections, respectively, each fire tube having an open interior for conducting products of combustion;a combustion chamber communicating with the vertically arranged fire tubes for providing products of combustion to the open interiors of the fire tubes;a burner communicating with the combustion chamber for combusting a selected fossil fuel.