Ventilation – Having forced recirculation – Forced recirculation alone
Patent
1992-02-25
1994-03-22
Joyce, Harold
Ventilation
Having forced recirculation
Forced recirculation alone
454293, 454301, 454306, F24F 102, F24F 13072
Patent
active
052959040
ABSTRACT:
An air conditioning system has a plurality of profile elements which are attached to the ceiling of a room and arranged to extend in line in such a manner as to define with the ceiling surface and a wall surface a channel-like space, and an air conditioner and accessories thereof. The profile elements are classified into a plurality of groups in terms of length but have the same cross-sectional configuration, so that they do not spoil the appearance of the interior of the room in which the air conditioning system is installed.
REFERENCES:
patent: 2053393 (1936-09-01), Clarkson
patent: 2775186 (1956-12-01), Strobell
patent: 2876691 (1959-03-01), Woods
patent: 3762301 (1973-10-01), Gilbert
patent: 3812904 (1974-05-01), Westergren
patent: 3827202 (1974-08-01), Phillips
Patent Abstracts of Japan, vol. 010, No. 044 (M-455) Feb. 1986.
Aoki Yukio
Iizima Seiichi
Yamashita Masaji
Hitachi , Ltd.
Joyce Harold
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