Heat exchange – Movable heating or cooling surface – Rotary drum
Patent
1977-03-21
1979-04-10
Davis, Jr., Albert W.
Heat exchange
Movable heating or cooling surface
Rotary drum
165104S, 62184, 62238, 122 37, 219314, F25B 2702, F25J 300
Patent
active
041483553
ABSTRACT:
A combined storage tank and heat exchanger unit for heating water including a watertight tank having a water inlet in the lower portion thereof and a pair of water outlets in the upper portion thereof. The wall of the tank is in the form of a double wall jacket having a hot refrigerant inlet at the top portion thereof and a hot refrigerant outlet at the bottom portion thereof. A cylindrical heat barrier is mounted inside the tank and spaced a short distance from the inside surface of the jacket wall to thermally isolate a relatively small amount of water in the tank in direct contact with the inner surface of the jacket. A heat barrier disc is mounted in the tank and extends horizontally across the interior thereof to thermally isolate the water in the top portion of the tank from the water in the bottom portion thereof. The water outlets communicate with the interior of the tank on opposite sides of the partition to provide heated water at two distinctly different temperatures. An air passageway is provided between the outer surface of the jacket and the inner surface of the outer shell through which air is circulated to heat the room in which the unit is located.
REFERENCES:
patent: 2224131 (1940-12-01), Bailey
patent: 2740269 (1956-04-01), Buehler, Jr.
patent: 2834865 (1958-05-01), Coates
Davis Jr. Albert W.
DEC International Inc.
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