Arrangement in a heat recovery unit

Details Arrangement in a heat recovery unit Arrangement in a heat recovery unit

1981-03-05

1983-03-22

Richter, Sheldon J.

Heat exchange

With repair or assembly means

165166, 165DIG12, F28F 922

Patent

active

043772013

ABSTRACT:
A heat recovery unit is adapted for installing in a cookery cupboard or the like space in a dwelling. Within a casing (3) the unit has a lamella heat exchanger (1), which is arranged on one corner edge and has two of its defining surfaces provided with openings for passages facing upwards and two downwards. The heat exchanger has its end walls (8) oriented in vertical planes. It is adapted for heating supply air (9, 10) through heat take-up from exhaust air (11, 12). Four vertical wall portions (13, 16) form a cross above the heat exchanger, thus providing four chambers for the ingoing and outgoing air flows (9-12). By means of portions airtightly sealed against the casing (3) and wall portions (13-17) the heat exchanger is divided into two portions, each having a cross-stream course between supply air (9, 10) and exhaust air (11, 12), with its passages for supply air and exhaust air arranged in series with the corresponding passages of the other portion. The heat exchanger is removable as a unit after opening the front (21) of the casing.

REFERENCES:
patent: 1825498 (1931-09-01), Wogan
patent: 2033402 (1936-03-01), Smith
patent: 3224842 (1965-12-01), Manske
patent: 3666007 (1972-05-01), Yoshino et al.
patent: 4051898 (1977-10-01), Yoshino et al.

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