TWO-SPEED ROTATIONAL CONTROL APPARATUS WITH EDDY CURRENT DRIVE

A rotational control apparatus (10) includes a first rotatable assembly (20) and a second rotatable assembly (96). The first assembly (20) is rotatably mounted to a first support mount (12). The second assembly (96) is rotatably mounted to the first assembly (20) and is axially moveable relative to...

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Bibliographische Detailangaben
1. Verfasser:	NELSON, CHRIS A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING SHOCK-ABSORBERS SPRINGS STEAM ENGINES THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A rotational control apparatus (10) includes a first rotatable assembly (20) and a second rotatable assembly (96). The first assembly (20) is rotatably mounted to a first support mount (12). The second assembly (96) is rotatably mounted to the first assembly (20) and is axially moveable relative to the first assembly (20). The first and second assemblies (20, 96) have respectiv e coaxial surfaces (28, 106A) adjacent to and spaced from one another and further have respective axial surfaces (46, 102) that frictionally engage on e another when the second assembly (96) is in a first axial position and disengage when the second assembly (96) is in a second axial position. The second assembly (96) is capable of rotation independent of the first assembl y (20) when the second assembly (90) is in the second axial position. The rotational control apparatus (10) includes an eddy current drive (132) comprised of a first eddy current coupling assembly (134) associated with th e coaxial surface (28) of the first assembly (20) and a second eddy current coupling assembly (136) associated with the coaxial surface (1 06A) of the second assembly (96), the second eddy current coupling assembly (136) adjace nt the first eddy current coupling assembly (134) with an air gap (114) therebetween.