Title:
ABNORMAL REVOLUTION DETECTING CIRCUIT OF BLOWER
Document Type and Number:
Japanese Patent JPS52138978
Kind Code:
A
Abstract:
PURPOSE: To detect simply a drop of revolution by high reliable circuit by converting an output of detecting coil for revolution of blower to an integrated average voltage correspond to revolution.
Inventors:
IGARASHI SHIGEYOSHI
Application Number:
JP5563676A
Publication Date:
November 19, 1977
Filing Date:
May 14, 1976
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
G01P3/48; G01P3/46; G01P13/00; (IPC1-7): G01P3/46