192 clutches and power-stop control – Clutches – Operators
Patent
1975-02-20
1976-11-02
Wyche, Benjamin W.
192 clutches and power-stop control
Clutches
Operators
192 52, 192103R, 192 02R, F16D 2704
Patent
active
039891291
ABSTRACT:
A dynamoelectric machine drive system capable of starting a second, driven unit in a slow, nondisruptive manner is provided which utilizes an electromechanical clutch between the dynamoelectric machine system and the second, driven unit. The clutch includes first and second members having a clutch face arranged in abutting relationship. The clutch face of one of the first and second members is constructed from a material having a relatively low coefficient of friction. During start, the clutch mating surfaces permit relative rotational movement between the first and second members. Means for controlling the application of electrical energy to the electromechanical clutch includes means for applying a first voltage to the clutch during start-up of the dynamoelectric machine, and means for automatically applying a second, higher voltage as the driven unit comes to operational speed.
REFERENCES:
patent: 2664782 (1954-01-01), Weninger
patent: 2695695 (1954-11-01), Gilfillan et al.
patent: 2718951 (1955-09-01), Mason
patent: 2880595 (1959-04-01), McGuffey et al.
patent: 3695406 (1972-10-01), Graham et al.
Emerson Electric Co.
Wyche Benjamin W.
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