General Electric Company

Ge Inspection Technologies, Gmbh

Waygate Technologies USA, LP

Michael Charles Spalding

Robert L Waters

Frederick Louis Glesius

Fred Yu-Feng Chou

Donald Albert Schneider

Jeffrey Louis Johanning

Leo R Lombardo

Kenneth Keith Lambach

Jiyuan Liu

Systems, methods, and computer readable medium are provided for determining interferometric data and spectral data associated with combustion conditions of a flame in a combustion chamber using a sensor head including a first vacuum cavity, a diaphragm operatively interfaced to an inner portion of the combustion chamber, and an optical sensor interrogator configured on a computing device and coupled to the sensor head via optical fibers. The optical sensor interrogator including an interferometer configured to determine interferometric data associated with the flame based on light transmitted and reflected via a first optical fiber and a spectrometer configured to determine spectral data associated with the flame based on light transmitted via a second optical fiber.

Combustion monitoring system

A flame sensor detects the presence of a flame in a combustion system in which the flame emits light. The flame sensor includes a body connectable with the combustion system. A photodetector is supported in the body. The photodetector responds to light emitted by the flame and generates an electrical signal proportional to an intensity of the light. A window is supported in the body and located between the combustion system and photodetector. The window is susceptible to contamination from the combustion system and the contamination may decrease sensitivity of the photodetector. A light source is supported in the body. The light source emits light so that a predetermined amount of the light emitted by the light source reflects into the photodetector when contamination is present on the window and the photodetector generates a signal indicative of contamination on the window.

Flame sensing

A flame sensor apparatus is provided including a sensor for sensing specific characteristics of a flame within a combustion chamber. The sensor includes a silicon carbide photodiode, and the sensor is spaced a distance from the combustion chamber. In addition, a fiber optic cable assembly extends between the sensor and the combustion chamber. The fiber optic cable can convey the specific characteristics of the flame from the combustion chamber to the sensor. The fiber optic cable assembly is included as part of a sealed array filled with an inert gas. In addition, a method of sensing specific characteristics of a flame is also provided.

Flame sensor

A method of determining the amount of travel of a rotating component that includes a rotor shaft includes providing a self-contained magnetically-powered encoder. The encoder includes an encoder rotor that extends outward from a sealed housing such that a clearance gap is defined between the rotor and housing. The method also includes rotatably coupling the encoder to the rotor shaft. The method further includes measuring a first position of the encoder rotor and determining a first rotational position measurement of the rotor shaft based on the encoder rotor. The method also includes rotating the rotor shaft to a second rotational position and determining a direction of rotation and a second rotational position measurement of the rotor shaft using the encoder. The method further includes determining a total rotational distance traveled by the rotor shaft between the first rotational position and the second rotational position.

Method of determining the amount of travel of a rotating component

An encoder for use with a machine includes at least one moveable member. The encoder also includes at least one sensor configured to activate via magnetic flux and is configured to dissipate electrical signals with a power amplitude less than approximately one microwatt.

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Hudson, OH, United States of America

Michael Charles Spalding