Rotor balancing apparatus and system

Details Rotor balancing apparatus and system Rotor balancing apparatus and system

1971-03-03

1976-04-27

Gill, James J.

Measuring and testing

Rotor unbalance

In situ

73465, G01M 128

Patent

active

039526020

ABSTRACT:
Rotor balancing apparatus and a system comprising balance probes for measuring unbalance at the ends of a magnetically suspended rotor are disclosed. Each balance probe comprises a photocell which is located in relationship to the magnetically suspended rotor such that unbalance of the rotor changes the amount of light recorded by each photocell. The signal from each photocell is electrically amplified and displayed by a suitable device, such as an oscilloscope.

REFERENCES:
patent: 2349552 (1944-05-01), Holmes
patent: 2524650 (1950-10-01), Cantle
patent: 2695165 (1954-11-01), Hansen
patent: 2712232 (1955-07-01), Pfeiffer
patent: 2748603 (1956-06-01), Wilcox
patent: 2919583 (1960-01-01), Parker
patent: 3151488 (1964-10-01), Tracy et al.
patent: 3274666 (1966-09-01), Nordsieck
patent: 3461729 (1969-08-01), Haynes
patent: 3473852 (1969-10-01), Lyman
Abstract, No. 51,892, dated 11-52, ISOM.

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