Title:
CENTRIFUGAL BLOWER
Document Type and Number:
WIPO Patent Application WO/2018/180060
Kind Code:
A1
Abstract:
This centrifugal blower is provided with a turbo fan (18) and a casing (12). The casing has a first casing member (22) and a second casing member (24). One casing member among the first casing member and the second casing member has: first stepped sections (231, 251) having first surfaces (231a, 251a), respectively; second stepped sections (232, 252) having second surfaces (232a, 252a), respectively; and third stepped sections (233, 253) having third surfaces (233a, 253a), respectively. The first, second, and third surfaces have different axial positions and each form a portion of outer surfaces (221c, 241a) of one of the casing members. The second surfaces are located closer to the side of the other one of the casing members among the first casing member and the second casing member than the first surfaces are. The third surfaces are located closer to the side of the other one of the casing member than the second surfaces are.
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Inventors:
ISHII FUMIYA (JP)
ODA SHUZO (JP)
YASUDA MASANORI (JP)
ODA SHUZO (JP)
YASUDA MASANORI (JP)
Application Number:
PCT/JP2018/006456
Publication Date:
October 04, 2018
Filing Date:
February 22, 2018
Export Citation:
Assignee:
DENSO CORP (JP)
SOKEN INC (JP)
SOKEN INC (JP)
International Classes:
F04D29/42; F04D29/16
Domestic Patent References:
| WO2017145780A1 | 2017-08-31 |
Foreign References:
| JP2017020409A | 2017-01-26 | |||
| JP2016065489A | 2016-04-28 |
Attorney, Agent or Firm:
YOU-I PATENT FIRM (JP)
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