Title:
BLOWER
Document Type and Number:
WIPO Patent Application WO/2022/054433
Kind Code:
A1
Abstract:
Provided is a blower which can increase discharge pressure with a reduced component count and which can be easily assembled. A first case 11 has: a plurality of recessed portions 11b, 11c, and 11d partitioned by partition walls 11e and 11f; and an air inlet 11a provided to one of the plurality of recessed portions. A second case 12 is covered by the first case, and has: a plurality of secondary air inlets 12a, 12b, and 12c continuously connecting spaces defined by a plurality of recessed portions; one or more secondary air outlets 12f and 12g; and an air outlet 12h. A plurality of centrifugal fans 14a, 14b, and 14c are arranged in correspondence to the plurality of secondary air inlets. A third case 13 is covered by the second case, and houses a plurality of motors 15a, 15b, and 15c for driving the plurality of centrifugal fans.
Inventors:
TOBINAI YASUHIRO (JP)
NAKADA YUKI (JP)
NAKADA YUKI (JP)
Application Number:
PCT/JP2021/027716
Publication Date:
March 17, 2022
Filing Date:
July 27, 2021
Export Citation:
Assignee:
NIDEC COPAL ELECTRONICS CORP (JP)
International Classes:
F04D25/16; F04D25/08; F04D29/42
Foreign References:
| US20200277961A1 | 2020-09-03 | |||
| JPS61183493U | 1986-11-15 |
Attorney, Agent or Firm:
S & S INTERNATIONAL PPC (JP)
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