Ventilator unit

Details Ventilator unit Ventilator unit

1985-06-27

1987-08-25

Davis, Jr., Albert W.

Heat exchange

Regenerator

165 7, 165 54, 137311, F28D 1700

Patent

active

046886265

ABSTRACT:
A ventilator unit (1) intended for installation in the outside wall of a room such that used air (A) from the room is vented to the outside atmosphere through the outside wall while fresh air (B) is introduced from the outside and supplied to the unit (1) where it is suitably air conditioned, before being blown into the room, the unit comprising an exhaust fan (12) and an inlet fan (13), and also including for purposes of heat recovery a heat exchanger (15', 15") for transferring heat from the outflowing air (A) to the inflowing fresh air (B), wherein the two streams of air (A, B), as known per se, alternate periodically through two equal regenerator masses.
The heat exchanger comprises two separate heat exchanger assemblies (15', 15") connected to a vane arrangement (20) having adjustable vanes (22-25) for controlling both the outflowing and incoming air streams, the vanes being mounted on a common rotatable shaft (21) which is adapted to be rotated periodically over a certain angle, whereby in one position the exhaust air stream (A) is guided through one (for example 15') of the heat exchangers (15', 15") while simultaneously the incoming air (B) is guided through the second (for example 15") heat exchanger, and in a second position the respective air streams are guided through the opposite heat exchangers, i.e., the incoming air through said first heat exchanger (15') and the exhaust air through said second heat exchanger (15").

REFERENCES:
patent: 1501552 (1924-07-01), Bergman
patent: 3978912 (1976-09-01), Penny et al.

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