FIBER-OPTIC PRESSURE GAGE Russian patent published in 2007 - IPC G01L11/02 G01L19/04 

FIELD: measuring technique.

SUBSTANCE: fiber-optic pressure gage comprises housing, spacer, bushing that bears on the spacer, and operation and additional cords of optical fibers for input and output light beam whose common faces a clamped inside the bushing. The diaphragm with mirror surface and radius R is mounted with a spaced relation to the common face of the operation cord. The common face of the additional cord lies in front of the mirror surface of the diaphragm with a spaced relation to the surface. The optical axes of the fibers of the additional cord are mounted at a distance from the optical axes of the fibers of the operation cord which is determined form the formula proposed.

EFFECT: enhanced precision.

3 dwg