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U.S. Department of Energy
Office of Scientific and Technical Information

Demand hot water system

Patent ·
OSTI ID:6489531

This patent describes a high efficiency gas hot water heater comprising: a water tower having a vertical cylindrical wall, an upper and a lower end, having a exhaust gas vent in the upper end, having a hot water outlet adjacent to the lower end, having a large diameter combustion gas inlet opening in the cylindrical wall intermediate the upper and lower end and having a water inlet opening adjacent the upper end; a cylindrical combustion chamber secured to the water tower at the large diameter opening therein and extending at least substantially horizontally from the water tower, the combustion chamber having an inner end secured to the water tower, and having a burner mounted on the outer end, the burner having a gas inlet opening; air blower means secured to the burner providing compressed air to the interior of the burner, the burner providing a flame extending into the combustion chamber; a water jacket surrounding at least a substantial portion of the horizontal combustion chamber providing a closed annular area between the interior of the water jacket and the exterior of the combustion chamber, the water jacket having a water inlet and a water outlet; a water distribution means positioned within the water tower adjacent the upper end and connected to the water inlet.

Assignee:
Quik Co., Tulsa, OK
Patent Number(s):
US 4773390
OSTI ID:
6489531
Country of Publication:
United States
Language:
English