Electric motor with internal wireless load monitor

Details Electric motor with internal wireless load monitor Electric motor with internal wireless load monitor

1977-12-08

1980-03-18

Griffin, Donald A.

Communications: electrical

Systems

Call station

340210, 340538, 340648, 340310R, 340187, H04B 356

Patent

active

041941780

ABSTRACT:
A self-contained modular chip within an induction motor housing detects and develops a motor operation signal, such as loading from motor characteristics such as slip analysis, and couples it by carrier current techniques to the power line for final processing in an external signal processing and meter display unit without necessitating wiring connections internally or externally to the motor.

REFERENCES:
patent: 1617092 (1927-02-01), Yamamoto et al.
patent: 3378744 (1968-04-01), Seney
patent: 3525026 (1970-08-01), Ahamed
patent: 3777234 (1973-12-01), Luger
patent: 3842408 (1974-10-01), Wells
patent: 4063112 (1977-12-01), Dumbeck
"Monitoring Load by Detecting Motor Slip", Reprint From Feb. 1927, Power Transmission Design.

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