COOLING SYSTEM, AUTOMOBILE MOUNTED WITH THE SYSTEM, AND METHOD OF CONTROLLING COOLING SYSTEM

Title:

COOLING SYSTEM, AUTOMOBILE MOUNTED WITH THE SYSTEM, AND METHOD OF CONTROLLING COOLING SYSTEM

Document Type and Number:

WIPO Patent Application WO/2007/116739

Kind Code:

A1

Abstract:

In a cooling system, an indoor air suction mode and an A/C air suction mode are changed over between each other by a damper, where the indoor air suction mode is mode where air in an occupant compartment is sucked by driving a blower fan for a battery and sending it to the battery and the A/C air suction mode is a mode where air cooled by driving an air conditioner (evaporator) is sucked by the blower fan and sent to the battery. The damper is changed over immediately when vehicle speed V is equal to or higher than a predetermined vehicle speed Vref (S220-S240), and when the vehicle speed V is lower than the predetermined speed, the changeover of the damper is inhibited (S250, S260). The damper is adapted to be changed over only when the vehicle speed V is equal to or higher than the predetermined vehicle speed Vref, and also, when vehicle speed is high, wind noise occurring when the damper is changed over can be masked by noise (background noise) caused by traveling. As a result, the changeover does not cause the driver or an occupant unpleasant.

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Inventors:

KIKUCHI YOSHIAKI (JP)
ISHIHARA TETSUYA (JP)

Application Number:

PCT/JP2007/056404

Publication Date:

October 18, 2007

Filing Date:

March 27, 2007

Export Citation:

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Assignee:

TOYOTA MOTOR CO LTD (JP)
KIKUCHI YOSHIAKI (JP)
ISHIHARA TETSUYA (JP)

International Classes:

B60H1/22; B60H1/00; B60H1/12; B60K6/445; B60K11/06; B60L50/16; B60W10/26; B60W20/00; H01M10/60; H01M10/613; H01M10/625; H01M10/633; H01M10/6563; H01M10/663

Foreign References:

JP2005254974A	2005-09-22
JP2005306197A	2005-11-04
JP2005343377A	2005-12-15
JP2004001674A	2004-01-08

Attorney, Agent or Firm:

ITEC INTERNATIONAL PATENT FIRM (3-3 Uchisaiwai-cho 1-chom, Chiyoda-ku Tokyo 11, JP)

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