Rotary machine electronics supervisory and control apparatus

Claim 2

A rotary machine supervisory and/or control apparatus comprising low power alternator means, having an output, and being driven by the rotary machine for supplying alternating current at said output, electronic signal shaping circuit means connected to said alternator means output for converting the waves of the alternating current supplied by the alternator means into rectangular pulses, electronic pulse counter means for counting and recording said pulses during predetermined periods, and rectifier means connected to said alternator means output for supplying a low voltage direct current to all the electronic components of the apparatus.

Claim 3

A rotary machine control apparatus according to claim 1 including automatic control means for controlling the sequence of operations of starting and normal stopping, and sequence selector circuit means, including frequency dividers and pulse counters, connected to the output of said shaping circuit means, said pulse counter means counting a determined number of pulses from the starting or stopping orders of said control means and triggering said automatic control means in sequence, after a determined number of rotations of the rotary machine.

Claim 4

A rotary machine supervisory apparatus comprising: low power alternator means having an output and being driven by the rotary machine for supplying an alternating current at said output; electronic signal shaping circuit means connected to said alternator means output for converting the waves of said alternating current into rectangular pulses supplied at an output of said shaping circuit means; at least one sensor means positioned on said rotary machine for automatically actuating an electric contact whenever a predetermined operating condition of said machine occurs; at least one electronic pulse counter; at least one electronic logic gate having a plurality of inputs and one output, said output of said shaping circuit means being connected to a first input of said logic gate, with the other inputs of said logic gate being respectively connected to said sensor means actuated electric contact, and said output of said logic gate being connected to said pulse counter for recording, when said gate is open, a number of pulses corresponding to the number of rotations of the machine under operating conditions determined by said sensors, and rectifier means connected to said alternator means output for supplying a low voltage direct current to all the electronic components of the apparatus.

Claim 5

A rotary machine supervisory apparatus comprising: low power alternator means having an output and being driven by the rotary machine for supplying an alternating current at said output; electronic signal shaping circuit means connected to said alternator means output for converting the waves of said alternating current into rectangular pulses supplied at an output of said shaping circuit means; at least one sensor means positioned on said rotary machine for automatically actuating an electric contact whenever a predetermined operating condition of said machine occurs; at least one electronic pulse counter; at least one electronic logic gate having a plurality of inputs and one output, said output of said shaping circuit means being connected to a first input of said logic gate, with the other inputs of said logic gate being respectively connected to said sensor means actuated electric contact, and said output of said logic gate being connected to said pulse counter for recording, when said gate is open, a number of pulses corresponding to the number of rotations of the machine under operating conditions determined by said sensors, and rectifier means connected to said alternator means output for supplying a low voltage direct current to all the electronic components of the apparatus.

Claim 6

A rotary machine supervisory and control apparatus as claimed in claim 3 including in combination: first pulse counter means connected through frequency dividers to the output of said shaping circuit means for recording the total number of rotations of the rotary machine; second electronic pulse counter means connected through first logic gates to said sensor means and to the output of said shaping circuit means for recording the number of rotations of the machine under operating conditions determined by said sensor means; third electronic pulse counter means connected through second logic gates to the output of said shaping signal means and to the output of integrator circuits connected to the output of said shaping circuit means for recording the number of rotations of the machine whenever said machine exceeds a predetermined speed; wherein all the electronic components are fed, in normal operations, with direct current supplied by said rectifier means connected to the output of said alternator means, and during the starting phase of the rotary machine with direct current supplied by a battery charged during normal operations by said rectifier.

Claim 7

A rotary machine supervisory apparatus comprising: low power alternator means having an output and being driven by the rotary machine for supplying an alternating current at said output, electronic signal shaping circuit means connected to said alternator means output for converting the waves of said alternating current into rectangular pulses of constant duration supplied to the output of said shaping circuit means; an electronic pulse counter; an integrator circuit connected to the output of said shaping circuit means and having an output which supplies a voltage proportional to the speed of the rotary machine; an electronic logic gate having two inputs and one output, said output of said shaping circuit means being connected, through a frequency divider, to a first input of said electronic gate; said output of said integrator circuit being connected to a second input of said electronic gate and said output pulse counter which records, when the gate is open, a number of pulses corresponding to the number of rotations of the machine at a speed exceeding a predetermined value; and rectifier means connected to said alternator means output for supplying a low voltage direct current to all the electronic components of the apparatus.

Claim 8

A rotary machine supervisory apparatus comprising: low power alternator means having an output and being driven by the rotary machine for supplying an alternating current at said output, electronic signal shaping circuit means connected to said alternator means output for converting the waves of said alternating current into rectangular pulses of constant duration supplied to the output of said shaping circuit means; an electronic pulse counter; an integrator circuit connected to the output of said shaping circuit means and having an output which supplies a voltage proportional to the speed of the rotary machine; an electronic logic gate having two inputs and one output, said output of said shaping circuit means being connected, through a frequency divider, to a first input of said electronic gate; said output of said integrator circuit being connected to a second input of said electronic gate and said output pulse counter which records, when the gate is open, a number of pulses corresponding to the number of rotations of the machine at a speed exceeding a predetermined value; and rectifier means connected to said alternator means output for supplying a low voltage direct current to all the electronic components of the apparatus.

Claim 9

A rotary machine supervisory apparatus according to claim 5 wherein said electronic signal shaping circuit means comprise a Schmitt trigger having an input connected to the output of said alternator means and a monostable trigger having an input connected to the output of said Schmitt trigger.