Advancing material of indeterminate length – With material-responsive control means – To regulate longitudinal movement of material
Patent
1993-01-25
1993-10-26
Stodola, Daniel P.
Advancing material of indeterminate length
With material-responsive control means
To regulate longitudinal movement of material
B65H 2316
Patent
active
052558363
ABSTRACT:
A wire flame spray apparatus includes a wire feed pulley driven by a motor. A first counterpulley urges a wire into engagement with the feed pulley. A detector pulley with a second counterpulley engages the wire to detect actual wire feed rate. A balance beam supports the counterpulleys. A pressure cylinder acts on the beam to increase counterpulley force on the wire in response to a lagging of actual feed rate from a predetermined feed rate so as to avert slippage of the wire on the feed pulley. A sensor senses changes in rotational speed of the detector pulley and generates signals to increase the counterpulley force. A microprocessor provides control signals for the motor and pressure cylinder.
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Eichhorn Karsten J.
Herber Ralph H.
Bowen Paul T.
Grimes E. T.
Ingham H. S.
Stodola Daniel P.
The Perkin-Elmer Corporation
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