Title:
HIGH STATIC PRESSURE AXIAL FLOW FAN
Document Type and Number:
WIPO Patent Application WO/2007/026425
Kind Code:
A1
Abstract:
A high static pressure axial flow fan (1) has an impeller (11) and a casing (12)
where the impeller (11) is received. The impeller (11) is an impeller for a turbofan
in which sucked air is discharged radially from the rotation axis of the impeller
(11). The casing (12) is a casing for an axial flow fan in which sucked air is discharged
in parallel to the rotation axis. Also, the casing (12) has a pair of side plates
(17, 18) covering both sides of the impeller (11) and also has an outer circumferential
plate (19) covering the outer circumference side of the impeller (11) with a predetermined
gap between them. An air suction opening (20) is provided in one side plate (17),
and an air discharge opening (21) is provided in the other side plate (18).
Inventors:
KATSUMATA KENJI (JP)
NITTA KAZUHIRO (JP)
TAKEMURA KEIZOU (JP)
SUZUKI MASUMI (JP)
NITTA KAZUHIRO (JP)
TAKEMURA KEIZOU (JP)
SUZUKI MASUMI (JP)
Application Number:
PCT/JP2005/015921
Publication Date:
March 08, 2007
Filing Date:
August 31, 2005
Export Citation:
Assignee:
FUJITSU LTD (JP)
KATSUMATA KENJI (JP)
NITTA KAZUHIRO (JP)
TAKEMURA KEIZOU (JP)
SUZUKI MASUMI (JP)
KATSUMATA KENJI (JP)
NITTA KAZUHIRO (JP)
TAKEMURA KEIZOU (JP)
SUZUKI MASUMI (JP)
International Classes:
F04D17/08; F04D29/44
Foreign References:
| JP3474279B2 | 2003-12-08 | |||
| JP2002085296A | 2002-03-26 | |||
| JP2003269393A | 2003-09-25 | |||
| JP2001165093A | 2001-06-19 |
Attorney, Agent or Firm:
MATSUKURA, Hidemi et al. (4-10 Higashi Nihonbashi 3-chome, Chuo-k, Tokyo 04, JP)
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