Heat exchange – With timer – programmer – time delay – or condition responsive... – Having heating and cooling capability
Patent
1994-12-14
1996-10-15
Lopez, F. Daniel
Heat exchange
With timer, programmer, time delay, or condition responsive...
Having heating and cooling capability
236 91F, F25B 2900
Patent
active
055644937
ABSTRACT:
A control system for an automotive air conditioner has an ambient air temperature sensor; a solar radiation quantity sensor; a passenger room temperature sensor; a cooled air temperature sensor; an air-mix door open degree sensor; and a bypass door open degree sensor. The control system further has a first device which, based on information from the ambient air temperature sensor and the solar radiation quantity sensor, derives a first target temperature of air drawn out from an air outlet structure; a second device which, based on the information from the cooled air temperature sensor and the air-mix door open degree sensor, derives a second target temperature of air drawn out from a foot area air duct; and a third device which, based on the information from the cooled air temperature sensor, the first target temperature and the second target temperature, derives a ratio between the amount of air flowing in a bypass passage and that of air blown out from the air outlet structure; and a fourth device which controls the open degree of the bypass door in accordance with the derived ratio.
REFERENCES:
patent: 4829884 (1989-05-01), Kagohata
patent: 5176201 (1993-01-01), Yamamoto
patent: 5186682 (1993-02-01), Iida
patent: 5293928 (1994-03-01), Iida et al.
Arai Masashi
Fukubayashi Makoto
Kato Keno
Noji Ikutaro
Lopez F. Daniel
Nissan Motor Co,. Ltd.
Sgantzos Mark
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