Title:
電動送風機及びそれを備えた電気掃除機
Document Type and Number:
Japanese Patent JP7145588
Kind Code:
B2
Abstract:
To provide a small-sized and light, wide-air-quantity-range, high-efficiency electric blower, and a wide-air-quantity-range vacuum cleaner with improved suction force.SOLUTION: An electric blower comprises: an electric motor comprising a rotor and stator; a housing whose one end is opened, and which stores the electric motor; a rotational shaft provided in the rotor; a rotary vane fixed to the rotational shaft; a partition plate arranged on the electric motor side of the rotary vane; a plurality of diffuser vanes provided at an opening side of the housing and arranged in a radial direction at an outer peripheral part of the rotary vane; and a fan casing covering the diffuser vanes, wherein a chord length of the diffusion vane on the rotary vane is substantially identical to or larger than a chord length of a rear vane.SELECTED DRAWING: Figure 3
Inventors:
Takeshi Honda
Seiji Sakagami
Kohei Kyotani
Shigenori Sato
Kenhiro Ito
Seiji Sakagami
Kohei Kyotani
Shigenori Sato
Kenhiro Ito
Application Number:
JP2017116392A
Publication Date:
October 03, 2022
Filing Date:
June 14, 2017
Export Citation:
Assignee:
Hitachi Global Life Solutions, Inc.
International Classes:
F04D29/44; A47L9/00
Domestic Patent References:
| JP5470106U | ||||
| JP201455568A | ||||
| JP201782759A | ||||
| JP2008111368A | ||||
| JP6307392A |
Foreign References:
| CN106640768A | ||||
| WO2016117709A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Isono International Patent and Trademark Office