Measuring and testing – Vibration – Sensing apparatus
Patent
1977-12-22
1979-04-10
Ruehl, Charles A.
Measuring and testing
Vibration
Sensing apparatus
G01H 110
Patent
active
041482220
ABSTRACT:
A method and apparatus are provided for measuring torsional vibrations of a rotating member by sensing passage of a plurality of circumferentially spaced elements adapted for movement with the member and for producing an electrical signal including true components representing the torsional vibrations and from which selected false components representing inhomogeneities in the elements have been eliminated.
REFERENCES:
patent: 2610505 (1952-09-01), Hope
patent: 2655036 (1953-10-01), Chapman
patent: 3808560 (1974-04-01), Gassmann
patent: 3885420 (1975-05-01), Wolfinger
Ahern John F.
General Electric Company
Mitchell James W.
Ruehl Charles A.
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