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08-31-2018

FUEL LEVEL SENSOR HAVING DUAL FLUORESCENT PLASTIC OPTICAL FIBERS

FUEL LEVEL SENSOR HAVING DUAL FLUORESCENT PLASTIC OPTICAL FIBERS © European Patent Office

FUEL LEVEL SENSOR HAVING DUAL FLUORESCENT PLASTIC OPTICAL FIBERS © European Patent Office

An airplane fuel level optical sensor using one side-emitting plastic optical fiber (SPOF) and two fluorescent plastic optical fibers (FP0Fs) to detect the airplane fuel level without using any electrically conductive component or element placed inside the fuel tank. This dual-FPOF sensor is capable of achieving high resolution and high accuracy with a one-time calibration in the actual airplane's fuel tank environment. One embodiment of the dual-FPOF sensor uses one SPOF and two FP0Fs to detect fuel level change based on the optical signal output from the two FP0Fs. The sensor design uses large-diameter (core and cladding), lightweight, low-cost and high-durability plastic optical fiber, which is very desirable for airplane installation.

Document: EP3361224A1
Click here for the full patent text at DEPATISnet [PDF]
Published patent application
Disclosure date: 12-20-2017
Publication date: 08-31-2018
Applicant: BOEING CO, US
Inventor: CHAN ERIC Y, US, KOSHINZ DENNIS G, US


© European Patent Office. This information was obtained from the espacenet of the European Patent Office. There is no guarantee of its correctness or curency. For additional information, please use the research at espacenet. It is possible to determine the current legal and procedural status of patents and utility patents/models at http://worldwide.espacenet.com/ kfree of charge.

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