B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
B03C3/34—Constructional details or accessories or operation thereof
B03C3/66—Applications of electricity supply techniques
Dispositif pour l'élimination rapide des charges piégées dans un pont diviseur capacitif utilisé pour la surveillance des tensions alternatives élevées
DC micromotor with amorphous semiconductor switching devices - has devices shunting rotor windings and acting as voltage limiters to increase motor life