Heating and cooling apparatus

Heat exchange – With external support

Patent

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Details

165 76, 165178, F28F 900

Patent

active

040195708

ABSTRACT:
An apparatus for heating and/or cooling air has an upright housing through which at least two feed riser pipes and one condensate riser pipe pass. This housing has an outlet opening at its top and an inlet opening adjacent its base, this latter being provided with a hinged access door. A drip pan sealing the base of the housing drains into the condensate riser. A heat-exchanger assembly comprising a heat-exchanger coil, a trough below the coil which catches condensate and empties into the drip pan, valve for controlling liquid flow through the coil, a blower for forcing air through the coil, and thermostatic controls for operating the valves is hung in the housing between the openings. Releasable couplings connect the coil through shutoff valves to the riser pipes, and releasable electrical connectors interconnect these valves to the thermostat switch. The blower hangs on the coil assembly on a shelf and this coil assembly is hung on a support rail on the back of the housing, so that the entire device can be quickly and easily disassembled for servicing.

REFERENCES:
patent: 1903125 (1933-03-01), Modine
patent: 1920562 (1933-08-01), Jaffe
patent: 2703702 (1955-03-01), Meinel
patent: 3422884 (1969-01-01), Otten
patent: 3792729 (1974-02-01), Perry
patent: 3823770 (1974-07-01), Duell et al.

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