Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover

Child Classifications

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• G05D 13/02 Details
• G05D 13/08 without auxiliary power
• G05D 13/34 with auxiliary non-electric power
• G05D 13/62 characterised by the use of electric means, e.g. use of a tachometric dynamo, use of a transducer converting an electric value into a displacement
• G05D 13/64 Compensating the speed difference between engines meshing by a differential gearing or the speed difference between a controlling shaft and a controlled shaft
• G05D 13/66 Governor units providing for co-operation with control dependent upon a variable other than speed