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Title:
BLOWER AND AIR CONDITIONER
Document Type and Number:
Japanese Patent JP2005299432
Kind Code:
A
Abstract:

To provide a blower of low operation noise and excellent in blower performance.

A mixed flow impeller 12a including a plurality of blades 2, a motor 3 driving and rotating the mixed flow impeller 12a and an air guider 13 including a suction port 41 and provided around the mixed flow impeller 12a are provided. The air guider 13 consists of a suction side wall part 42 positioned on the suction side of the suction port 41, a blow out side wall part 43 positioned on the blow out side of the suction port 41, and a partition wall part 44 extendingly provided in a direction perpendicularly crossing an axial direction of the suction port 41 from an end part of the blow out side wall part 43. Cross section of the suction side wall part 42 is formed in a shape roughly semi-spherically bending toward radial direction outward from an inner circumference surface of the suction port 41. Collision of air at the suction side wall part 42 is relaxed and separation of air is suppressed, the blower of low operation noise and high blower performance can be provided.


Inventors:
Shin, Masahiro
Tazumi, Yoshikimi
Application Number:
JP2004000113812
Publication Date:
October 27, 2005
Filing Date:
April 08, 2004
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
F04D23/00; F04D29/44; F04D29/66; F24F5/00; (IPC1-7): F04D29/44; F04D23/00; F04D29/66; F24F5/00
Attorney, Agent or Firm:
岩橋 文雄
坂口 智康
内藤 浩樹