Device for balancing rotating bodies during operation

Claim 1

DEVICE FOR DYNAMICALLY BALANCING ROTATING BODIES SUPPORTED ON A SUPPORT STRUCTURE, COMPRISING: SENSING MEANS RESPONSIVE TO IMBALANCE OF THE ROTATING BODY AND CAPABLE OF GENERATING ELECTRIC IMPULSES, ELECTROMAGNETIC ACTUATOR MEANS CONTROLLED BY SAID ELECTRIC IMPULSES, TOOL MEANS ACTUATED BY SAID ACTUATOR MEANS AT A FREQUENCY PROPORTIONAL TO THE SPEED OF SAID ROTATING BODY, SAID TOOL MEANS BEING OPERABLE TO REMOVE MATERIAL FROM A PORTION OF THE CONTOUR OF SAID ROTATING BODY OF SAID OPERATING CYCLE OF SAID ACTUATOR MEANS, SAID SENSING MEANS INCLUDING A PORTABLE VIBRATION FEELER PROVIDED WITH ADJUSTABLY TUNED MECHANICAL VIBRATION MEANS, SAID FEELER BEING REMOVABLY MOUNTED ON SAID SUPPORT STRUCTURE IN THE VICINITY OF SAID ROTATING BODY, SAID VIBRATION MEANS BEING TUNED TO THE SPEED OF SAID ROTATING BODY TO PRODUCE BY THE IMBALANCE OF RESONANT CONDITION AND THEREWITH GENERATING SAID ELECTRIC IMPULSES AND A PERIODIC SIGNAL, SAID ELECTROMAGNETIC ACTUATOR MEANS INCLUDING AT LEAST ONE SOLENOID COIL, AND ARMATURE SUBSTANTIALLY COAXIAL WITH SAID SOLENOID COIL, AND AT LEAST ONE STOP MEANS LIMITING THE ADVANCE OF SAID ARMATURE WHICH IS EFFECTED BY SAID ELECTROMAGNETIC ACTUATOR MEANS UPON ENERGIZATION THEREOF, AND INDICATING AND CONTROL MEANS OPERATIVELY CONNECTED WITH SAID FEEDER INCLUDING RECORDING MEANS INDICATING SAID PERIODIC SIGNAL WITH THE AMPLITUDE THEREOF MAXIMUM UPON TUNING OF SAID FEELER, MEANS FOR TRANSFORMING SAID SIGNAL INTO A CONTROL SIGNAL OF A SUBSTANTIALLY SQUARE WAVE CHARACTERISTIC, AND MEANS FOR ADJUSTING THE AMPLITUDE OF SAID SQUARE WAVE SIGNAL TO THE OPERATING CHARACTERISTIC OF SAID SOLENOID COIL AND SAID ARMATURE IN SUCH A MANNER THAT SAID ARMATURE ABUTS AGAINST SAID STOP MEANS DURING THE DURATION OF SAID SQUARE WAVE SIGNAL.