Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Synchronizing or phasing control
Patent
1975-08-15
1978-07-04
Schaefer, Robert K.
Electricity: motive power systems
Plural, diverse or diversely controlled electric motors
Synchronizing or phasing control
214 164A, 318603, 318625, H02P 550
Patent
active
040991024
ABSTRACT:
A high shelf feeding apparatus is movable on rollers riding on rails. It is moved either by motor driven friction gear drive means or by a linear motor means. In either case, the drive elements are operated at the same acceleration or at the same number of revolutions by connecting each drive element with a regulating mechanism which measures the distance travelled by each drive element and then balances each such measured distance in relation to a rated value common to all regulating mechanisms.
REFERENCES:
patent: 2578988 (1951-12-01), West
patent: 3408549 (1968-10-01), Shimabukuro
patent: 3622703 (1971-11-01), Ricketts et al.
patent: 3718846 (1973-02-01), Bejach
patent: 3719295 (1973-03-01), Grace
patent: 3782565 (1974-01-01), Doran et al.
patent: 3906327 (1975-09-01), O'Callaghan et al.
Feldhaus John J.
Maschinenfabrik-Augsburg-Nurnberg Aktiengesellschaft
Schaefer Robert K.
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