Title:
ELECTRIC BLOWER
Document Type and Number:
Japanese Patent JPS53115912
Kind Code:
A
Abstract:
PURPOSE: In relation to an electric blower which comprises an orifice member with a round opening arranged around a multi-vane axial-flow fan, to reduce the fan noises by providing grooves in the internal periphery of the opening.
Inventors:
SASAOKA RIYOUSUKE
ISHINO YASUO
ISHINO YASUO
Application Number:
JP3095877A
Publication Date:
October 09, 1978
Filing Date:
March 18, 1977
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
F04D29/52; F04D29/66; (IPC1-7): F04D29/52; F04D29/66
Foreign References:
| US3832085A | 1974-08-27 | |||
| US3893782A | 1975-07-08 |