Fiber optic speed sensing for a rotating shaft

Details Fiber optic speed sensing for a rotating shaft Fiber optic speed sensing for a rotating shaft

G - Physics

01

P

73/53

G01P 3/486 (2006.01)

Patent

CA 1332207

ABSTRACT OF THE DISCLOSURE A method and apparatus for monitoring the rate of rotation of, for example, a turbine engine shaft during the operation of the engine is described. A chopper extends radially from the shaft. Infrared radiation is passed through an input optical fibre having a bevelled end positioned adjacent to the chopper which chops the infrared radiation. The chopped infrared radiation passes into a bevelled end of an output optical fibre which is positioned adjacent to the chopper. The rate of rotation of the shaft is detected by monitoring the chopped infrared radiation from the output optical fibre. Carbonaceous coatings are formed on the bevelled ends of the optical fibres by deposition of oil and combustion products thereon. Although these coatings are opaque to visible light, they are transparent to the infrared radiation used.

591113

Affiliated with

Also associated with

Rating

Fiber optic speed sensing for a rotating shaft does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fiber optic speed sensing for a rotating shaft, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fiber optic speed sensing for a rotating shaft will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1329124