System for determining tube eccentricity

Details System for determining tube eccentricity System for determining tube eccentricity

1975-04-01

1977-06-07

Ruehl, Charles A.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

G01B 1702

Patent

active

040275272

ABSTRACT:
A system for determining the eccentric characteristics of a tube wall comprising a positioning assembly supported by the tube which is moving in its lengthwise direction, and a plurality of thickness sensors supported by the positioning assembly having sensing axes disposed in predetermined angular relation with respect to one another for continuously measuring the wall thickness of the tube at predetermined angular locations about its periphery as it moves in its lengthwise direction. A signal processing means is provided for continuously computing the eccentricity characteristics of the tube based entirely upon the comparative values of the thickness readings of the sensors.

REFERENCES:
patent: 3732726 (1973-05-01), Ferber
patent: 3827287 (1974-08-01), Boggs et al.
patent: 3828609 (1974-08-01), Furon et al.
patent: 3850026 (1974-11-01), Lund et al.

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