MEASURING DEVICE OF VALUE OF WEAR AND TEMPERATURE OF PRODUCT AT FRICTION Russian patent published in 2015 - IPC G01K11/32 G01N3/56 

FIELD: measurement equipment.

SUBSTANCE: measuring device of a value of wear and temperature of a product at friction includes in-series connected laser light source, beam divider and at least one measuring fibre-optic light guide, the second end of which is arranged in the product at depth H equal to or less than distance R to the wearing surface. As well as in-series connected elements such as one transmitting fibre-optic light guide, a detector and a controller for determining the value of wear and temperature of the product at friction. Besides, the first end of the transmitting fibre-optic light guide is connected to the second output of the beam divider. Besides, in a piece with length L of the measuring fibre-optic light guide in the area of its second end there formed is an internal fibre optic sensor of the value of wear and temperature of the product at friction. With that, the laser light source is made as a continuous laser light source, and the beam divider as an optic circulator.

EFFECT: increasing the range of continuous measurement of the value of wear per fibre; improving accuracy of measurements of the value of wear and temperature; simplifying the device design.

4 cl, 2 dwg