Title:
VEHICLE AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2020/166273
Kind Code:
A1
Abstract:
[Problem] To reduce the time needed for an initialization process. [Solution] During a system stop, when an expansion valve 12 is opened past a threshold value th1 (the determination of S103 is "Yes"), the threshold value th1 is set as a target opening degree (S104). A preceding process leading into the next initialization process is performed by sending a pulse signal that closes the expansion valve to the target opening degree to a stepping motor 13 (S105).
Inventors:
ISHIZEKI TETSUYA (JP)
HOSHINO AKIHIRO (JP)
HOSHINO AKIHIRO (JP)
Application Number:
PCT/JP2020/001459
Publication Date:
August 20, 2020
Filing Date:
January 17, 2020
Export Citation:
Assignee:
SANDEN AUTOMOTIVE CLIMATE SYSTEMS CORP (JP)
International Classes:
F16K31/04; B60H1/32; F25B1/00; F25B41/06
Foreign References:
| JP2018053908A | 2018-04-05 | |||
| JP2004108343A | 2004-04-08 | |||
| JP3125795B2 | 2001-01-22 | |||
| CN105783350A | 2016-07-20 | |||
| JP2011144951A | 2011-07-28 | |||
| JPH09243137A | 1997-09-16 | |||
| JP2567860B2 | 1996-12-25 | |||
| JPH0534580B2 | 1993-05-24 | |||
| JPH09189456A | 1997-07-22 |
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