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G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
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FR542322D1921-10-131921-10-13
Device for equalizing the speeds of rotation of two independent shafts of the same motor or of two separate motors
ExpiredFR542322A
(en)
Coupling modes allowing to transform the series commutator motors into generators for braking with adjustable no-load speed and to increase the acceleration torque in the case of running as an adjustable motor by offset of the brushes