Patent application number | Description | Published |
20090031787 | SYSTEM AND METHOD FOR GATHERING DIAGNOSTIC INFORMATION IN A PROCESSING PATH OF A COAL GASIFICATION SYSTEM - A system and method for gathering diagnostic information relating to an operating condition of a gas stream or processing path of a coal gasification system is disclosed. The information is gathered by deploying one or more specially constructed modules or seeds that proceed through the gas stream of the coal gasification system as part of the mass flow of the gas stream. The seed may be physically recoverable in which an outer material of the seed ablates when exposed to a predetermined temperature of the gas stream. The seed may be physically non-recoverable in which electronic circuitry transmits a signal to a receiver relating to the temperature of the gas stream. | 02-05-2009 |
20100077830 | ELECTRONIC SELF-CALIBRATION FOR SENSOR CLEARANCE - Self-calibration of a multiple channel clearance sensor system, which in one embodiment includes at least one sensor for measuring at least one clearance parameter signal between a stationary object and a rotating object of a rotating machine. The sensor output is processed as a clearance parameter by an offset correction section configured to determine an offset error in the clearance parameter signal which is used by a level shifter. The level shifter is also switchably coupled to the clearance parameter signal wherein the output of the level shifter, which may be amplified and digitally converted, is processed by a signal level analyzer to determine a channel gain signal. | 04-01-2010 |
20100188100 | AUTOMATED SENSOR SPECIFIC CALIBRATION THROUGH SENSOR PARAMETER DOWNLOAD - A sensor system for measuring a clearance parameter between a stationary component and a rotating component of a rotating machine is provided. The system includes a clearance sensor to output a clearance measurement signal. A sensor memory is attached to the sensor for storing a first sensor information. A second sensor information is stored in a electronics interface memory. The first and the second sensor information are read and the clearance sensor is matched with a respective plurality of calibration data by an electronic interface based on the first and the second sensor information. | 07-29-2010 |
20100191502 | SYSTEM AND METHOD FOR CLEARANCE ESTIMATION BETWEEN TWO OBJECTS - A processing system for clearance estimation in a rotating machine includes one or more sensors and one or more digital signal processors for calculating the estimated clearance. The processing system may include techniques for obtaining real-time clearance estimates and techniques for obtaining averaged clearance estimates. Aspects of the processing system may also include a method of switching between real-time clearance estimates and averaged clearance estimates depending on the operating conditions of the rotating machine. Other aspects of the processing system include the use of two digital signal processors: a first digital signal processor configured to receive signals from a clearance sensor and perform a first set of high speed processing tasks, and a second digital signal processor configured to receive signals from the first digital signal processor and perform a second set of lower speed processing tasks. | 07-29-2010 |
20100327537 | HERMETIC SEALING ASSEMBLY AND ELECTRICAL DEVICE INCLUDING THE SAME - Disclosed herein is a system including a motor comprising a rotor, a stator and a sealing assembly having at least one joint and a monolithic ceramic separator. Each joint of the sealing assembly is a chemical bond joint, and the monolithic ceramic separator is disposed in a gap between the rotor and the stator of the motor such that the sealing assembly hermetically isolates the rotor and the stator. | 12-30-2010 |
20110097522 | CERAMIC METALLIC INTERLOCKED COMPONENTS AND METHODS OF MAKING AND USING THE SAME - A composite element is provided. The composite element includes a ceramic component defining a cavity having a first end and a second end, and a metallic component comprising a head and a body. At least a portion of the body of the metallic component is disposed in the cavity, and the head of the component is disposed on the first end of the cavity. A cross-sectional area of a portion of the body is greater than an area of the first end. In addition, the ceramic and metallic components are interlocked. Methods of making a composite element and of making a clearance sensor part are also provided. | 04-28-2011 |
20110269054 | FUEL CELL WITH A BRAZED INTERCONNECT AND METHOD OF ASSEMBLING THE SAME - A fuel cell including an anode, a cathode and an electrolyte interposed between the anode and the cathode is disclosed. The fuel cell also includes an anode interconnect disposed adjacent to the anode, and a brazing material disposed between the anode interconnect and the anode to bond the anode interconnect to the anode. A method of assembling a fuel cell including forming a package of an anode and an electrolyte is also disclosed. It includes heating the package with a brazing material disposed adjacent to the anode, to bond the anode to an interconnect. | 11-03-2011 |
20110295538 | AUTOMATED SENSOR SPECIFIC CALIBRATION THROUGH SENSOR PARAMETER DOWNLOAD - A sensor system for measuring a clearance parameter between a stationary component and a rotating component of a rotating machine is provided. The system includes a clearance sensor to output a clearance measurement signal. A sensor memory is attached to the sensor for storing a first sensor information. A second sensor information is stored in a electronics interface memory. The first and the second sensor information are read and the clearance sensor is matched with a respective plurality of calibration data by an electronic interface based on the first and the second sensor information. | 12-01-2011 |
20120009411 | CERAMIC METALLIC INTERLOCKED COMPONENTS AND METHODS OF MAKING AND USING THE SAME - A composite element is provided. The composite element includes a ceramic component defining a cavity having a first end and a second end, and a metallic component comprising a head and a body. At least a portion of the body of the metallic component is disposed in the cavity, and the head of the component is disposed on the first end of the cavity. A cross-sectional area of a portion of the body is greater than an area of the first end. In addition, the ceramic and metallic components are interlocked. Methods of making a composite element and of making a clearance sensor part are also provided. | 01-12-2012 |
20120166102 | METHOD AND SYSTEM FOR ONLINE CREEP MONITORING - A method and system for monitoring creep in a moving object are provided. The creep monitoring system includes a creep sensor assembly formed onto a surface of an object rotatable about an axis, the creep sensor assembly includes at least one of an image pattern and a radio frequency interrogatable circuit. The creep monitoring system also includes an online monitoring system communicatively coupled to the creep sensor assembly. The online monitoring system configured to collect information from the creep sensor assembly relative to an amount and a rate of creep of the object. The creep monitoring system also includes a processor programmed to receive the information, correct the information for movement of the creep sensor assembly during the collection, and determine a creep rate, a crack presence, and a temperature of the object simultaneously. | 06-28-2012 |
20130321000 | ROTATIONAL CLEARANCE MEASUREMENT SYSTEM AND METHOD OF OPERATION - A radial clearance measurement system is provided. The radial clearance measurement system comprises a radial clearance sensor that is relatively insensitive to axial movement of an object rotating relative to the radial clearance sensor. In one embodiment, the radial clearance sensor includes an electrode having a relatively constant overlap area over the range of axial movement of the object. | 12-05-2013 |
20140119884 | Capacitive Sensor Device and Method of Manufacture - A capacitive sensor device and a method of manufacture are provided. The capacitive sensor device includes at least one sensor tip that includes an electrode positioned at a first end of the sensor tip, and a stem member coupled to the electrode and extending toward a second end of the sensor tip. The device also includes a coaxial cable including a center conductor, the center conductor coupled to the sensor tip at the second end, and an insulation layer supporting the sensor tip between the first and second ends. The insulation layer includes a metallization on a portion surrounding the second end of the sensor tip. The device further includes a casing surrounding a portion of the coaxial cable, the metallization, and the coupling of the center conductor and the sensor tip, wherein a braze joint is formed between the casing and the metallization to form a hollow, hermetic cavity. | 05-01-2014 |
20140147242 | SEAL SYSTEMS FOR USE IN TURBOMACHINES AND METHODS OF FABRICATING THE SAME - A seal system, for an apparatus that includes a rotatable portion with airfoils coupled thereto and a stationary portion with an inner surface, includes an abradable portion including at least one abradable layer of an abradable material formed over the inner surface. The seal system also includes an abrading portion disposed over at least a portion of a substrate of the airfoil. The abrading portion includes at least one abrading layer formed on at least a portion of the substrate and a plurality of abrasive particles embedded within the abrading layer. The plurality of abrasive particles includes at least one of substantially all of one of tantalum carbide (TaC), aluminum oxide (Al | 05-29-2014 |
20140169943 | COMPONENTS WITH POROUS METAL COOLING AND METHODS OF MANUFACTURE - A manufacturing method includes providing a substrate with an outer surface and at least one interior space and machining the substrate to selectively remove a portion of the substrate and define one or more cooling supply holes therein. Each of the one or more cooling supply holes is in fluid communication with the at least one interior space. The method further includes disposing an open cell porous metallic layer on at least a portion of the substrate. The open cell porous metallic layer is in fluid communication with the one or more cooling supply holes. A coating layer is disposed on the open cell porous metallic layer. The coating layer having formed therein one or more cooling exit holes in fluid communication with the open cell porous metallic layer. The substrate, the one or more cooling supply holes, the open cell porous metallic layer and the cooling exit holes providing a cooling network for a component. | 06-19-2014 |