Method of measuring irregularities of a pneumatic tire

Details Method of measuring irregularities of a pneumatic tire Method of measuring irregularities of a pneumatic tire

1993-11-12

1995-06-06

Chilcot, Jr., Richard E.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

G01M 1702

Patent

active

054211972

ABSTRACT:
A method of measuring irregularities of a pneumatic tire comprises carrying out first and second measuring runs, each of which involves rolling the tire in an inflated condition in a rotary mounting means under a given preload against a test surface and measuring the reaction forces which occur in that operation in the form of two force fluctuation diagrams. The tire is turned, for example, through 120.degree. or 180.degree. about the axis of the rotary mounting means between the measuring runs and a correction value is ascertained from the two force fluctuation diagrams to compensate for error values resulting from the rotary mounting means.

REFERENCES:
patent: 4805125 (1989-02-01), Beebe
patent: 4955229 (1990-09-01), Himmler
patent: 5027649 (1991-07-01), Himmler
patent: 5060173 (1991-10-01), Tsuji
patent: 5313827 (1994-05-01), Yovichin

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