Title:
BLOWER
Document Type and Number:
WIPO Patent Application WO/2018/110597
Kind Code:
A1
Abstract:
[Problem] To provide a blower capable of improving quietness in a cabin. [Solution] This blower (100) is provided with a first flow passage (41) and a second flow passage (42) which are partitioned by a partitioning plate (43), and is applied to a two-layer-flow type air conditioning device (1) for vehicles, the air conditioning device (1) having a two-layer flow mode in which external air is introduced into the first flow passage (41) and internal air is introduced into the second flow passage (41). The blower (100) is provided with a first impeller (110) disposed inside the first flow passage (41) and a second impeller (120) disposed inside the second flow passage (42), wherein the first impeller (110) and the second impeller (120) are fitted onto a rotating shaft of a motor (130); an intake port (115) of the first impeller (110) and an intake port (125) of the second impeller (120) are disposed back to back; the first impeller (110) and the second impeller (120) are integrated with a bottom plate therebetween; and the second impeller (120) is a twist-type impeller in which blades are inclined relative to the axial direction of a rotating shaft.
Inventors:
ARAKI DAISUKE (JP)
NAGANO HIDEKI (JP)
SHICHIKEN YUTAKA (JP)
FUKUHARA HISANAGA (JP)
IKEDA KATSUYUKI (JP)
NAGANO HIDEKI (JP)
SHICHIKEN YUTAKA (JP)
FUKUHARA HISANAGA (JP)
IKEDA KATSUYUKI (JP)
Application Number:
PCT/JP2017/044701
Publication Date:
June 21, 2018
Filing Date:
December 13, 2017
Export Citation:
Assignee:
VALEO JAPAN CO LTD (JP)
International Classes:
F04D25/16; B60H1/00; F04D29/28; F04D29/30
Foreign References:
| JP2010100108A | 2010-05-06 | |||
| JP2014029149A | 2014-02-13 | |||
| JP2002019445A | 2002-01-23 | |||
| JPH11264394A | 1999-09-28 |
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