Sensor for expansion measurement

Details Sensor for expansion measurement Sensor for expansion measurement

1995-09-06

1997-04-01

Chilcot, Richard

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specified electrical sensor or system

73764, G01B 716

Patent

active

056168470

ABSTRACT:
A sensor which can be held around a cylindrical body has elastic parts which have expansion-sensitive elements on the inner surfaces. The elastic parts are pressed against the cylinder surface under high pressure by bracing the two sensor halves, such that the expansion-sensitive elements engage the cylinder surface by friction force and thus can detect the surface expansion occurring.
The expansion-sensitive elements are protected against mechanical influences. Thus expansion measurement strips can be applied to the cylinder surface without adhesive and can be used several times.

REFERENCES:
patent: 3240207 (1966-03-01), Barker et al.
patent: 3791205 (1974-02-01), Hooker
patent: 3820529 (1974-06-01), Cause et al.
patent: 3889381 (1975-06-01), Brown
patent: 4023054 (1977-05-01), Taytor
patent: 4600347 (1986-07-01), Segredo et al.
patent: 5284062 (1994-02-01), Ryffel

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