Title:
空気調和機
Document Type and Number:
Japanese Patent JP5393758
Kind Code:
B2
Abstract:
A centrifugal fan mounted in an air conditioner has the following relationship: outer diameter of a side plate of the centrifugal fan>outer diameter of the blade rear-edge part on side-plate side>diameter of the blade rear-edge part on main plate side>outer diameter of the main plate. In the centrifugal fan, the blade rear-edge part is positioned inside from a straight line connecting the connection point between the blade rear-edge part and the main plate, to the connection point between the blade rear-edge part and the side plate, as viewed from the rotation axis. The blade rear-edge part has a shape such that the distance from the rotation axis becomes larger from the main plate toward the side plate.
Inventors:
Naofumi Ikeda
Nao Takehara
Hiroshi Tsutsumi
Takahiro Yamatani
Nishinomiya Kazunobu
Kawahiko Yukihiko
Nao Takehara
Hiroshi Tsutsumi
Takahiro Yamatani
Nishinomiya Kazunobu
Kawahiko Yukihiko
Application Number:
JP2011262672A
Publication Date:
January 22, 2014
Filing Date:
November 30, 2011
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
F04D23/00; F04D29/42; F04D29/44; F24F1/0047; F24F1/0063
Domestic Patent References:
| JP7145955A | ||||
| JP52094639A | ||||
| JP2004204756A | ||||
| JP2003287239A | ||||
| JP2003262357A | ||||
| JP60151014U | ||||
| JP2706383B2 |
Attorney, Agent or Firm:
Hisao Kobayashi
Kiyoshi Yasushima
Takanashi Norio
Motoki Shandong
Taku Ogawa
Murata Kensei
Moto Otani
Kiyoshi Yasushima
Takanashi Norio
Motoki Shandong
Taku Ogawa
Murata Kensei
Moto Otani