The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 30, 2011
Filed:
Sep. 30, 2008
Danian Zheng, Simpsonville, SC (US);
Peter John Eisenzopf, Altamont, NY (US);
Kevin Thomas Mccarthy, Troy, NY (US);
Roy Paul Swintek, Altamont, NY (US);
Norman Arnold Turnquist, Sloansville, NY (US);
Hua Xia, Altamont, NY (US);
Danian Zheng, Simpsonville, SC (US);
Peter John Eisenzopf, Altamont, NY (US);
Kevin Thomas McCarthy, Troy, NY (US);
Roy Paul Swintek, Altamont, NY (US);
Norman Arnold Turnquist, Sloansville, NY (US);
Hua Xia, Altamont, NY (US);
General Electric Company, Niskayuna, NY (US);
Abstract
A fiberoptic system for clearance detection between rotating and stationary turbomachinery components is presented. The system comprises an optical fiber probe comprising a plurality of optical fibers, at least one of the optical fibers comprising a transmission fiber and at least one of the optical fibers comprising a signal fiber; a light source for providing light through the transmission fiber towards a target; filters for receiving light from the signal fibers, at least two of the filters for filtering different wavelengths; and at least one photodetector for receiving filtered light from the filters.