Title:
PROPELLER FAN, BLOWER, AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2018/158859
Kind Code:
A1
Abstract:
According to a propeller fan, a blower, and an air conditioner of the present invention, a starting point, at which a first maximum point is formed, is formed further toward a leading-edge part than a starting point, at which a second maximum point is formed, between the leading-edge part and a trailing-edge part in the direction of rotation of a blade. A height L1 between a minimum point and the first maximum point and projected to an axis of rotation increases toward the trailing-edge part from the starting point at which the first maximum point is formed. A height L2 between a connection point and the second maximum point and projected to the axis of rotation increases toward the trailing-edge part from the starting point at which the second maximum point is formed.
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Inventors:
TADOKORO TAKAHIDE (JP)
HONMA NAOHIKO (JP)
HONMA NAOHIKO (JP)
Application Number:
PCT/JP2017/007993
Publication Date:
September 07, 2018
Filing Date:
February 28, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04D29/38; F04D25/08
Domestic Patent References:
| WO2015092924A1 | 2015-06-25 |
Foreign References:
| JP2008025422A | 2008-02-07 | |||
| JP2011179331A | 2011-09-15 | |||
| JP2013249787A | 2013-12-12 | |||
| JP2009185803A | 2009-08-20 |
Other References:
See also references of EP 3591236A4
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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