Indoor unit of a ventilation system, ventilation and air conditi

Details Indoor unit of a ventilation system, ventilation and air conditi Indoor unit of a ventilation system, ventilation and air conditi

1992-09-18

1994-04-05

Rivell, John

Heat exchange

With thermal or acoustical blocker

181225, 454906, F01N 700

Patent

active

052996344

ABSTRACT:
In an air conditioner indoor unit having a ventilator and a heat exchanger, there are provided an upper casing of the ventilator made from a porous structure having air permeability, a lower casing of the ventilator having airtightness, and an air chamber formed at the back of the upper casing.

REFERENCES:
patent: 2176319 (1939-10-01), Anderson
patent: 2638757 (1953-05-01), Borgerd
patent: 2873097 (1959-02-01), Brandi
patent: 2932956 (1960-04-01), Chieregatti
patent: 3455378 (1969-07-01), Honnold, Jr.
patent: 3805542 (1974-04-01), Hosoda et al.
patent: 3978919 (1976-09-01), Fachbach et al.

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