Transmission testing apparatus and method

Measuring and testing – Simulating operating condition – Marine

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73162, G01M 1302

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active

043911315

ABSTRACT:
Apparatus and methods for testing a front wheel drive automotive transmission having a drive input adapted for connection to the engine driveshaft and two driven outputs adapted for coupling to the axles of the front wheels. The testing apparatus comprises a drive input shaft corresponding to the engine driveshaft and a pair of output shafts corresponding to the vehicle axles. Each output shaft is coupled to a single driven shaft by a positive drive, non-slip coupling mechanism so that neither of the output shafts can rotate at a speed different from that of the other. The single, driven shaft is provided with a flywheel which simulates inertial forces. The input driveshaft is coupled to a variable speed motor and the single, driven shaft is coupled to a similar motor which is operable at selected speeds to impose varying load conditions on the transmission. The positive drive couplings preferably rotate the single, driven shaft at a speed greater than that of the driving output shafts so as to minimize the mass of the flywheel.

REFERENCES:
patent: 2516748 (1950-07-01), Boice
patent: 2981103 (1961-04-01), Livezey
patent: 3060730 (1962-10-01), Lucia
patent: 3298228 (1967-01-01), Oltean et al.
patent: 3451262 (1969-06-01), McPeek et al.
patent: 3690168 (1972-09-01), Petersen
patent: 4159642 (1979-07-01), Hudson et al.

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