Stoves and furnaces – Hot-air furnaces – Compressed air
Patent
1974-04-24
1976-02-03
Camby, John J.
Stoves and furnaces
Hot-air furnaces
Compressed air
126116A, 126116R, 236 1E, 431171, F24H 302
Patent
active
039358550
ABSTRACT:
Gas fired air heater for a central heating system comprising a heat exchanger in which are arranged a series of parallel rows of vertical heat exchange tubes, the lower ends of which are connected to a joint burner compartment and the upper ends of which are connected to a joint flue compartment. Two opposite lateral sides of the heat exchanger are connected to air supply and discharge compartments respectively for feeding the air to be heated transversely through the heat exchanger. The lateral air supply and discharge compartments have air inlet and outlet connections at their top and bottom walls only. One of said lateral air compartments is closed at one end and is connected to a fan at the opposite end, whereas at least one end of the other lateral air compartment is connected to a main duct for discharge of the heated air. The heat exchange tubes are grouped in three sections, each of which extends transversely to the direction of flow of the air to be heated and each of which is heated by an individual ribbon type burner. Each section is individually controlled, to which end the individual sections may be connected to the successive stages of a multistage room thermostat set at staggered temperatures.
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Camby John J.
N.V. Werktuigenfabrieke Mulder
Yuen Henry C.
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