Cold weather inlet for ventilating systems

Details Cold weather inlet for ventilating systems Cold weather inlet for ventilating systems

1980-11-14

1983-02-08

Makay, Albert J.

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

98 33A, 137341, 219201, F24F 1318, F16K 4900

Patent

active

043721974

ABSTRACT:
An inlet for use in a ventilating system having a frame defining an opening and provided with an inwardly directed lip, a panel mounted for rotation within the frame and including flanges which abut the lip when the panel is in closed position, an electrical heating cable secured to the frame in the vicinity of the panel, and a system for rotating the panel and energizing the heating cable, when desired.

REFERENCES:
patent: 2699106 (1955-01-01), Hoyer
patent: 3524399 (1970-08-01), Bohanon
patent: 3575199 (1971-04-01), Beattie
patent: 3658085 (1972-04-01), Cannella
patent: 3733459 (1973-05-01), Lengstorf
patent: 4110603 (1978-08-01), Peterson et al.
patent: 4214147 (1980-07-01), Kraver

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