Measuring and testing – Brake testing – Single wheel rotating and resistance measuring means
Patent
1977-09-15
1979-02-27
Myracle, Jerry W.
Measuring and testing
Brake testing
Single wheel rotating and resistance measuring means
318490, G01L 300
Patent
active
041412443
ABSTRACT:
Power transmission systems having a movable member presenting variable load conditions on a motor connected thereto by means of a power transmission device are monitored by load sensing means. Sensed signals are processed to produce visual display conditions and corresponding control signals for selected motor loading parameters. The system accurately and simply measures and displays load conditions in flexible calibrated scale factor and digital form reducing possibilities of human readout error. No wiring or mechanical connections are necessary in the power train and reliable, sensitive output signals are produced with simple and miniature retrofittable electronic processing circuits. Alarm signals exceeding predetermined threshold load levels are stored digitally in a flip-flop circuit or equivalent relay for memory and control of external devices. Thus, the display form includes calibrated analog metering scale and digital memory type data processing devices permitting monitoring to correct system operating conditions when the motor is overloaded. Thus, the power transmission system can operate with motor ratings substantially equal to or less than expected full load conditions to substantially reduce initial equipment cost and operating expenses over equipment life.
REFERENCES:
patent: 2841746 (1958-07-01), Mawhinney
patent: 3201776 (1965-08-01), Morrow et al.
patent: 3439245 (1969-04-01), Perdue
patent: 3729989 (1973-05-01), Little
patent: 3739367 (1973-06-01), Fathauer
patent: 3913084 (1975-10-01), Bollinger et al.
Myracle Jerry W.
Rexnord Inc.
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