Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Specified electrical sensor or system
Patent
1987-02-09
1988-11-08
Ruehl, Charles A.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
Specified electrical sensor or system
73 65, 73855, 177136, G01B 724
Patent
active
047827068
ABSTRACT:
A holding device for mounting a shear strain gauge 14 in an airplane axle 1 in which the shear strain gauge 14 consists of a coil part 18 with two magnet coils 19 spaced apart from each other and of a disk part 20. The disk part 20 has a disk 21 which, in normal position, extends equidistant between the magnet coils 19. The holding device has two holding rings 16 and 17 arranged axially at a given distance from each other, the coil part being adapted to be fastened to the one holding ring 16 thereof and the disk part 20 to the other holding ring 17. The holding rings 16 and 17 are developed with radial resilience and with a smaller outside diameter than the inside diameter of the airplane axle. They have radially protruding holding lugs 23 which rest under initial spring tension against the inner wall of the airplane axle 1. The holding rings 16 and 17 have support parts 28 and 28', the coil part 18 being adapted to be fastened to the support part 28' of the one holding ring 16 and the disk part 20 to the support part 28 of the other holding ring 17.
REFERENCES:
patent: 3521484 (1970-07-01), Dybvad et al.
patent: 4269070 (1981-05-01), Nelson et al.
Kister Horst
Patzig Hans-Norbert
Quenzer Michael
Schult Klaus
Schwab Jean-Francois
Farber Martin A.
Ruehl Charles A.
VDO Adolf Schindling AG
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