Title:
VEHICLE AIR CONDITIONER
Document Type and Number:
Japanese Patent JP3306450
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide temperature suitable for feeling of an occupant by controlling temperature during setting bi-level mode so that when temperature of heating fluid is lower than a given temperature, the higher target blow-off temperature is, the lower conditioning air temperature is.
SOLUTION: A target opening SW of an air mix door is determined based on a equation. In the equation, TAO is target blow-off temperature, Te is air temperature just after evaporator passes through, TWD is derived by converting detection signal TW by a water temperature sensor. TWD is set to TB when the detection signal TW is higher than a prescribed value TB. When the detection signal TW is lower than the prescribed value TB, TWD is set lower with decreasing TW, and when the detection signal TW is lower than f(TAO) determined according to TAO, TWD is set to TA. Thus, because TWD is corrected so that as TAO is higher, TWD is higher than actual water signal TW, the target opening SW is determined so that blow-off temperature of conditioning air is lower. Therefore, the crew's head is cooled, feet are heated, and therefore their feeling is improved.
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Inventors:
Katsuhiko Samukawa
Yuji Honda
Masafumi Kawashima
Hiro Se Yu
Tomoyuki Kako
Yuji Honda
Masafumi Kawashima
Hiro Se Yu
Tomoyuki Kako
Application Number:
JP16633897A
Publication Date:
July 24, 2002
Filing Date:
June 23, 1997
Export Citation:
Assignee:
株式会社デンソー
トヨタ自動車株式会社
トヨタ自動車株式会社
International Classes:
B60H1/00; (IPC1-7): B60H1/00
Domestic Patent References:
| JP5577659A | ||||
| JP6013805U |
Attorney, Agent or Firm:
Yoji Ito
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