Method and apparatus for motor size determination

Details Method and apparatus for motor size determination Method and apparatus for motor size determination

1986-11-24

1988-02-23

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324545, G01R 3134

Patent

active

047273208

ABSTRACT:
A method for testing motors having separate run and start windings to verify correct motor size and to detect miswiring of the motor windings comprises the steps of measuring the start winding resistance, measuring the run winding resistance, calculating a ratio of the start winding and run winding resistances and comparing the calculated ratio to a predetermined range representative of the desired motor size when correctly wired and rejecting the motor if the calculated ratio does not come within this predetermined range, and apparatus for same.

REFERENCES:
patent: 3307102 (1967-02-01), Norkaitis
patent: 3947764 (1976-03-01), Abbott et al.
patent: 4053830 (1977-10-01), Porter
patent: 4187525 (1980-02-01), Nagura et al.
patent: 4196475 (1980-04-01), Hall
patent: 4204425 (1980-05-01), Mallick, Jr.
patent: 4408157 (1983-10-01), Beaubien

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