Title:
PROPELLER FAN, FLUID FEEDER, AND MOLDING DIE
Document Type and Number:
WIPO Patent Application WO/2016/117413
Kind Code:
A1
Abstract:
A propeller fan (30) is provided with a boss portion (10) that rotates around a rotating shaft (11), and a blade (20) provided to the outer surface of the boss portion. The blade (20) includes a front edge portion (21), a rear edge portion (22), and an outer circumferential edge portion (24) that connects the front edge outermost circumferential portion (21T) of the front edge portion (21) and the rear edge outermost circumferential portion (22T) of the rear edge portion (22). A guide portion (26) is provided at a location further inward than the rear edge outermost circumferential portion (22T) in the direction of the radius of rotation, the guide portion (26) having a shape so that a portion of the rear edge portion (22) extends in a tab shape in a direction opposite the rotating direction. According to the propeller fan (30), it is possible to regulate the behavior of a fluid when the fluid is delivered from the wing (20).
Inventors:
KUMON YUI
OHTSUKA MASAKI
OHTSUKA MASAKI
Application Number:
PCT/JP2016/050688
Publication Date:
July 28, 2016
Filing Date:
January 12, 2016
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
F04D29/38; B29C33/42; F04D29/66; B29L31/08
Domestic Patent References:
| WO2014102970A1 | 2014-07-03 |
Foreign References:
| JP2002357197A | 2002-12-13 | |||
| JP2013217315A | 2013-10-24 | |||
| JP2004076722A | 2004-03-11 | |||
| JP2009293425A | 2009-12-17 |
Attorney, Agent or Firm:
Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)
Patent business corporation Fukami patent firm (JP)
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