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Title:
PIPE FAN
Document Type and Number:
Japanese Patent JP2005163598
Kind Code:
A
Abstract:

To materialize a small size, low noise pipe fan capable of generating high air flow and static pressure with a little electric power consumption.

Air on a room side is discharged to the outside from a front panel 3 through a bell mouth 5 of a body frame 4, through an impeller 6 having blades 9, and a side plate 7 and a main plate 8 of which diameters get larger as they get closer to a motor 13 side, and through a flow passage enclosed by a motor frame opening 18 of a motor frame 10 and a motor 13 wind tunnel pipe 2.


Inventors:
Iwase, Koji
Seki, Katsuyuki
Wakamatsu, Kazunori
Application Number:
JP2003000402368
Publication Date:
June 23, 2005
Filing Date:
December 02, 2003
Export Citation:
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Assignee:
HITACHI LTDHITACHI HOME & LIFE SOLUTIONS INC
HITACHI TAGA TECHNOL CO LTD
International Classes:
F04D29/00; F04D23/00; F04D25/12; F04D29/44; F04D29/62; F04D29/66; F24F7/10; (IPC1-7): F04D23/00; F04D25/12; F04D29/00; F04D29/44; F04D29/62; F04D29/66; F24F7/10
Domestic Patent References:
JPS5088904U
JPH08338650A
JPS54122409A
JP2003269395A
JPH06280799A
JPH11264396A
JPS60167949U
JPH0932796A1997-02-04
JP2002310093A
JPS5779296A
Attorney, Agent or Firm:
作田 康夫
井上 学