Dynamometers

Details Dynamometers Dynamometers

1987-04-28

1988-06-28

Levy, Stewart J.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

7386204, G01M 1702

Patent

active

047531100

ABSTRACT:
A transducer head for a moving surface dynamometer comprises a casing having connections for attachment to a extremity of a support arm on a sliding carriage of a loading head of the eventual dynamometer. An axle housing in the casing supports an axle of a test subject to be spun in rolling contact with the moving surface. A multiplicity of strain transducer links are connected in load-transmitting relationship between the axle housing and the casing for supplying signals indicating tensile or compressive load therein. There are six such links in a defined pattern. Each link is advantageously threadedly attached to the axle housing and has at its outer end a male tapered threaded region that registers with a straight threaded bore in a cap attached to the casing, a tapered sleeve having external and internal threads of the same pitch being tightenable to connect the outer end of the link to the cap and thence to the housing without correspondingly straining the link.

REFERENCES:
patent: 3590633 (1971-07-01), Fuhrmann et al.
patent: 3780573 (1973-12-01), Revs
patent: 3867838 (1975-02-01), Gerresheim
patent: 4023404 (1977-05-01), Brendel
patent: 4160378 (1979-07-01), Himmler
patent: 4166997 (1979-09-01), Kistler
patent: 4171641 (1979-10-01), Landsness
patent: 4359896 (1982-11-01), Brown et al.

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