Measurement of the unbalance of a rotor body of small weight

Details Measurement of the unbalance of a rotor body of small weight Measurement of the unbalance of a rotor body of small weight

1979-12-17

1981-11-17

Gill, James J.

Measuring and testing

Rotor unbalance

Dynamic

73487, 279 1Q, 403261, G01M 106

Patent

active

043003877

ABSTRACT:
A method for effecting a measurement of the unbalance of a small weight rotor body such as a impeller or turbine wheel for a turbo-charger in an internal combustion engine. A shaft, on which the rotor body is inserted and which is on both ends thereof supported on a pair of bearing units, is rotated while the rotor body is held on the shaft under an elastic frictional force. The unbalance is at every angular position of the rotor body measured during the rotation of the shaft.

REFERENCES:
patent: 872883 (1907-12-01), Adams
patent: 1192404 (1916-07-01), Ewart
patent: 1650573 (1927-11-01), Searles
patent: 2216308 (1940-10-01), Ballman
patent: 2319655 (1943-05-01), Bennett
patent: 2663184 (1953-12-01), Merrill et al.
patent: 3203221 (1965-08-01), Conner

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