Rheem Manufacturing Company

Tanjir Hasan Ratul

Qian Zhang

Troy E Trant

Gary A Elder

Reza Khatami

A tube for a thermal transfer device can include at least one wall having an inner surface and an outer surface, where the inner surface forms a cavity. The inner surface can be non-cylindrical. The cavity can be configured to receive a fluid that flows continuously along a length of the at least one wall.

Heat exchanger tubes and tube assembly configurations

A water heater has a gas burner in a combustion chamber below a tank. The burner has a venturi tube oriented in a collection housing, which receives a mixture of air and fuel from a duct at least partially protruding from a periphery of an exterior wall of the water heater. In some embodiments, the duct abuts the venturi tube within a collection housing in the combustion chamber.

Growing community of inventors

Montgomery, AL, United States of America

Tanjir Hasan Ratul