Title:
ELECTRIC BLOWER AND ELECTRIC CLEANER
Document Type and Number:
Japanese Patent JP2004068723
Kind Code:
A
Abstract:
To miniaturize a cooling mechanism of a semiconductor switch element for driving in an electric blower.
The mechanism forms a controlling means housed space 211 between a diffuser plate 205 of a blower 200 and back side of a guide plate 208, mounts the semiconductor switch element 401 for driving to the back side of the guide plate, and then disposes it within the controlling means housed space, thereby transmitting to the guide plate heat which is generated at a semiconductor switch element for driving. The mechanism is configured so as to efficiently dissipate in high flow velocity air current flowing along front side of the guide plate.
Inventors:
IWASE KOJI
SAKAGAMI SEIJI
JORAKU FUMIO
HARADA HIDEYUKI
MAETANI TATSUO
FUJITA KATSUTOSHI
UENO NOBUHITO
YAMAGUCHI SEIJI
MURATA YOSHITAKA
SAKAGAMI SEIJI
JORAKU FUMIO
HARADA HIDEYUKI
MAETANI TATSUO
FUJITA KATSUTOSHI
UENO NOBUHITO
YAMAGUCHI SEIJI
MURATA YOSHITAKA
Application Number:
JP2002229986A
Publication Date:
March 04, 2004
Filing Date:
August 07, 2002
Export Citation:
Assignee:
HITACHI HOME & LIFE SOLUTIONS
MATSUSHITA ELECTRIC IND CO LTD
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
A47L9/00; A47L9/28; F04D29/00; F04D29/44; F04D29/58; F04D29/70; H02K9/02; H02K11/00; (IPC1-7): F04D29/44; A47L9/00; A47L9/28; F04D29/00; F04D29/58; F04D29/70; H02K9/02; H02K11/00
Domestic Patent References:
| JP2002031084A | 2002-01-31 | |||
| JPS55165998U | 1980-11-28 | |||
| JP2001342996A | 2001-12-14 |
Attorney, Agent or Firm:
Yukihiko Takada
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