Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
228 words
Apparatus for balancing a rotary body, comprising: means for mounting the rotary body to be balanced, means for measuring and storing the angular position of an unbalance of the rotary body, a phase displacement means connected to the balancing spindle and to said measuring and storing means for receiving a reference phase signal from said measuring and storing means and delivering an output voltage whose phase position varies as a function of said angular position of imbalance, and indicator means including a scale for indicating only a part of the whole angular range of 360*, which part is adjacent to the value zero on the scale, a pointer which can be set to the value zero on the scale by rotation of said phase displacement means and the rotary body, for rotating the rotary body into the correct position for a balancing operation, two illuminatable direction-indicator means, and means for controlling the brightness of illumination of each of the direction-indicator means independently as a function of said output voltage of said phase displacement means and by the stored measurement value in said measuring means so that the difference in the brightness of illumination of each of the direction-indicator means indicates the direction in which the rotary body must be rotated to move it towards said correct position and to bring said pointer into the range of said scale.
Claim 2
Dependent Claim
228 words
Apparatus for balancing a rotary body, comprising: means for mounting the rotary body to be balanced, means for measuring and storing the angular position of an unbalance of the rotary body, a phase displacement means connected to the balancing spindle and to said measuring and storing means for receiving a reference phase signal from said measuring and storing means and delivering an output voltage whose phase position varies as a function of said angular position of imbalance, and indicator means including a scale for indicating only a part of the whole angular range of 360*, which part is adjacent to the value zero on the scale, a pointer which can be set to the value zero on the scale by rotation of said phase displacement means and the rotary body, for rotating the rotary body into the correct position for a balancing operation, two illuminatable direction-indicator means, and means for controlling the brightness of illumination of each of the direction-indicator means independently as a function of said output voltage of said phase displacement means and by the stored measurement value in said measuring means so that the difference in the brightness of illumination of each of the direction-indicator means indicates the direction in which the rotary body must be rotated to move it towards said correct position and to bring said pointer into the range of said scale.
Claim 3
Dependent Claim
18 words
Apparatus according to claim 1 wherein each said direction-indicator means comprises means defining the shape of an arrow.
Claim 4
Dependent Claim
114 words
Apparatus according to claim 1 wherein said controlling means includes respective pulse generators for converting the stored measurement value in said measuring means and the output voltage of said phase displacement means into pulses, a bistable element connected to said two pulse generators and controllable by said pulses, the bistable element having two outputs at which in operation rectangular-wave voltages occur, a respective integrator connected to each of said outputs and operative to convert said rectangular-wave voltages into direct-current voltages, and wherein each said direction-indicator means includes a respective lamp connected to each of said two integrators, the brightness of illumination of which lamps in operation corresponds to the magnitude of the direct-current voltages.