FRENO ELETTROMAGNETICO A PINZA

Two electromagnetically actuated friction brakes (14, 14') are disposed on opposite sides of a relatively thin armature disc (11) of low reluctance material. The poles (21, 26, 27) of one electromagnetic friction brake (14) are polarized oppositely from the aligned poles (21', 26', 27...

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Bibliographische Detailangaben
1. Verfasser:	PHILIP E. MYERS
Format:	Patent
Sprache:	ita
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDUCTANCES LIGHTING MAGNETS MECHANICAL ENGINEERING SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES THERMAL INSULATION IN GENERAL TRANSFORMERS WEAPONS
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Beschreibung
Zusammenfassung:	Two electromagnetically actuated friction brakes (14, 14') are disposed on opposite sides of a relatively thin armature disc (11) of low reluctance material. The poles (21, 26, 27) of one electromagnetic friction brake (14) are polarized oppositely from the aligned poles (21', 26', 27') of the other brake (14') to cause the flux created by each brake to thread axially across the armature disc (11) and interact with the flux created by the other brake so as to produce relatively high braking torque the two brakes are not only attracted to the disc but to each other. Such polarisation may be achieved by connecting a dc voltage source to respective coils (22, 22') of the brakes (14, 14') in reverse fashions (see Fig. 4). As shown, the poles are defined by respective studs received in holes in an oblong block (30) of friction material.