Title:
AXIAL FLOW FAN
Document Type and Number:
WIPO Patent Application WO/2013/099905
Kind Code:
A1
Abstract:
In the present invention, the hub (71) of an axial flow fan (70) has an outer peripheral tube (72) and a lid (73). The outer peripheral tube (72) has a plurality of vanes (91) formed in a manner so as to protrude from the outer peripheral edge, and is a portion having an opening (72a) at the axial center. The lid (73) extends towards a boss (81) from the outer peripheral tube (72) in a manner so as to cover the opening (72a) of the outer peripheral tube (72), and is a portion that connects between the boss (81) and the outer peripheral tube (72). At both sides in the axial direction of the lid (73), a reinforcing rib (74, 75) for reinforcing the connection between the hub (71) and the boss (81) is integrally formed from resin together with the hub (71) and boss (81).
Inventors:
KOJIMA AZUMI
YOKOYAMA YUUTA
YOKOYAMA YUUTA
Application Number:
PCT/JP2012/083576
Publication Date:
July 04, 2013
Filing Date:
December 26, 2012
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F04D29/32; F04D29/38
Foreign References:
| JP2003286997A | 2003-10-10 | |||
| JP2003343488A | 2003-12-03 | |||
| JP2002005085A | 2002-01-09 | |||
| JPH02145698U | 1990-12-11 | |||
| JPS5094514U | 1975-08-08 | |||
| JPH05340383A | 1993-12-21 | |||
| JP2011074817A | 2011-04-14 |
Other References:
See also references of EP 2799719A4
Attorney, Agent or Firm:
Shinjyu Global IP (JP)
fresh green -- a global IP patent business corporation (JP)
fresh green -- a global IP patent business corporation (JP)
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Claims: