Apparatus for selectively controlling a plurality of electric mo

Details Apparatus for selectively controlling a plurality of electric mo Apparatus for selectively controlling a plurality of electric mo

1990-05-25

1992-02-11

Ro, Bentsu

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

318 59, 318 66, 177 70, 177121, 222 63, 366133, 366141, G01G 1934, G01G 1112

Patent

active

050878646

ABSTRACT:
An apparatus for selectively controlling a plurality of electric motors for driving individual work objects, the apparatus including an electrical switch which is adapted to produce predetermined speed signals for the electric motor selected, a programmable controller disposed in signal receiving relation relative to the electrical switch and which is adapted to generate a predetermined signalling sequence in response to the signal received from the electrical switch, a variable speed motor drive electrically coupled with the programmable controller, and with the electric motor selected, the variable speed motor drive selectively driving the selected electric motor at a predetermined speed in response to the signalling sequence received from the programmable controller, and a sensor adapted to indicate the work performed by the electric motor whereby the electric switch may be selectively adjusted to control the operation of the electric motor selected.

REFERENCES:
patent: 3291233 (1966-12-01), Mayer
patent: 3528518 (1970-09-01), Mayer
patent: 4222448 (1980-09-01), Sunkle et al.
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patent: 4581704 (1986-04-01), Mitsukawa
patent: 4641069 (1987-02-01), Fujioka et al.
patent: 4644232 (1987-02-01), Nojiri et al.

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