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:
Feb. 23, 2016
Filed:
Mar. 22, 2012
Olivier Hochreutiner, Lausanne, CH;
Jonathan Geisheimer, Neyruz, CH;
Thomas Holst, Villars-sur-Glâne, CH;
Sylvain Queloz, Belfaux, CH;
David Kwapisz, Villars-sur-Glâne, CH;
Rachid Naid-abdellah, Villars-sur-Glâne, CH;
Olivier Hochreutiner, Lausanne, CH;
Jonathan Geisheimer, Neyruz, CH;
Thomas Holst, Villars-sur-Glâne, CH;
Sylvain Queloz, Belfaux, CH;
David Kwapisz, Villars-sur-Glâne, CH;
Rachid Naid-Abdellah, Villars-sur-Glâne, CH;
Meggitt SA, Fribourg, CH;
Abstract
Measurement of bladed rotors and, more particularly, speed measurement of bladed rotors in a turbine engine using microwave probes is described. In one embodiment, an apparatus for measuring bladed includes a microwave sensor that radiates a microwave signal toward a bladed rotor and receives a reflected microwave signal from the bladed rotor, a radio frequency module that generates the microwave signal radiated by the microwave sensor and down-converts the reflected microwave signal into a down-converted signal, and a main processing module configured to generate an output pulse train signal representative of a speed of the bladed rotor based on the down-converted signal. In another embodiment, a method for measuring bladed rotors is described including radiating a microwave signal, receiving a reflected microwave signal, down-converting the reflected microwave signal, and generating an output pulse train signal representative of a speed of a bladed rotor based on the down-converted signal.