Engine torque transducer using a spoked torque transmitting plat

Details Engine torque transducer using a spoked torque transmitting plat Engine torque transducer using a spoked torque transmitting plat

1978-02-13

1979-01-23

Ruehl, Charles A.

Measuring and testing

Brake testing

Single wheel rotating and resistance measuring means

G01L 314

Patent

active

041353900

ABSTRACT:
An engine output shaft is bolted to the hub of a drive plate or flex plate, the outer periphery of which is fastened to the torque converter of an automatic transmission such that the engine torque is transmitted by the drive plate from the engine to the transmission. An arcuate array of slots extending between the hub and the periphery of the drive plate define a plurality of spokes which carry the torque. The spokes bend or flex by an amount which is proportional to the torque. A pair of electromagnetic pickups are secured to the engine adjacent the inner and outer ends of the spokes respectively in order to obtain a measure of the spoke deflection and, therefore, of torque. A torque signal is electronically derived from the output of the pickups.

REFERENCES:
patent: 2173039 (1939-09-01), Muir
patent: 2403952 (1946-07-01), Ruge

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