Title:
SLOTLESS ELECTRIC MOTOR, ELECTRIC BLOWER, AND VACUUM CLEANER
Document Type and Number:
Japanese Patent JP2021083242
Kind Code:
A
Abstract:
To provide a slotless electric motor, an electric blower, and a vacuum cleaner that can hold a coil at a low cost and that are compact and highly efficient.SOLUTION: An inner wall surface 50a of an end bracket 50 has protruding portions 530A, 530B that protrude toward an axial direction A. A bobbin 210 has an inner peripheral wall 211 that separates a coil 220 from a rotor 30 on a surface facing the rotor 30. The inner peripheral wall 211 is retained by the protruding portions 530A, 530B.SELECTED DRAWING: Figure 1
Inventors:
TOKOI HIROOKI
NAKATSUGAWA JUNNOSUKE
ASAUMI YUSUKE
HONDA TAKESHI
SAKAGAMI SEIJI
ITO MASAHIRO
ITO NORIKAZU
KIKUCHI SATOSHI
WAKUI SHINICHI
NAKATSUGAWA JUNNOSUKE
ASAUMI YUSUKE
HONDA TAKESHI
SAKAGAMI SEIJI
ITO MASAHIRO
ITO NORIKAZU
KIKUCHI SATOSHI
WAKUI SHINICHI
Application Number:
JP2019210127A
Publication Date:
May 27, 2021
Filing Date:
November 21, 2019
Export Citation:
Assignee:
HITACHI GLOBAL LIFE SOLUTIONS INC
International Classes:
H02K3/47; A47L9/00; F04D29/42; F04D29/52; F04D29/58; H02K3/46; H02K9/06
Domestic Patent References:
| JP2013085750A | 2013-05-13 | |||
| JPH02129179U | 1990-10-24 | |||
| JP2011176982A | 2011-09-08 | |||
| JP2007014140A | 2007-01-18 | |||
| JP2012120358A | 2012-06-21 | |||
| JP2018105269A | 2018-07-05 |
Foreign References:
| WO2014199516A1 | 2014-12-18 |
Attorney, Agent or Firm:
Isono International Patent and Trademark Office