Torque test apparatus

Details Torque test apparatus Torque test apparatus

1985-07-01

1986-10-07

Myracle, Jerry W.

Measuring and testing

Toothed gear

731181, G01M 1302

Patent

active

046152121

ABSTRACT:
A torque test apparatus for testing components such as gears, clutches and universal joints includes a pair of spaced transmissions interconnected to each other through a pair of connecting links to form a closed mechanical energy circuit. One or both of the links carries a test specimen and at least one transmission gear includes a coaxial twist coupling which is rotatable relative to the gear. The twist coupling includes a core coupled to the specimen. The twist coupling core is seated within the gear. A plurality of vanes project from the core and abut the inner surface of the gear. The gear includes vanes projecting inwardly and abutting the core. A hydraulic system selectively applies pressurized fluid to the spaces between the vanes to cause the core to rotate relative to the gear and apply a torque or twist load to the specimen.

REFERENCES:
patent: 2981103 (1961-04-01), Livezey
patent: 3690168 (1972-09-01), Petersen
ATZ Journal, 1963, No. 8, Aug. 1961, pp. 239-242.

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