| Patent application number | Description | Published |
|---|
| 20080232745 | HIGH-TEMPERATURE PRESSURE SENSOR AND METHOD OF ASSEMBLY - A method for assembling a Fabry-Perot interferometer includes depositing a first metal layer on an end portion of a ferrule, depositing a second metal layer on a back portion of a die, placing the first metal layer and the second metal layer in contact with each other with respective first and second orifices aligned with respect to each other, and bonding the ferrule to the die by thermo compression. The resulting interferometer includes a glass die with a cavity, a silicon diaphragm disposed over the opening of the cavity and bonded to the glass die, a ferrule bonded to the glass die by thermo compression with the first and second orifices being aligned to each other, and an optical fiber inserted through the other end of the ferrule in direct contact to a back portion of the die and aligned with the first orifice. | 09-25-2008 |
| 20090245735 | PHOTONIC POWER DEVICES AND METHODS OF MANUFACTURING THE SAME - A high temperature optoelectronic device package includes a substrate, an optoelectronic die situated on an upper surface of the substrate, a seal surrounding the optoelectronic die and situated on the upper surface of the substrate and a housing disposed on the seal having a ferrule-seating portion. The housing is disposed on the seal such that a fiber optic center of the ferrule-seating portion is aligned with an active portion of the optoelectronic die. The optoelectronic die is in operative communication with electronic traces of the substrate. | 10-01-2009 |
| 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 |
| 20100242628 | HIGH TEMPERATURE OPTICAL PRESSURE SENSOR AND METHOD OF FABRICATION OF THE SAME - A high-temperature pressure sensor is provided. The sensor includes a quartz substrate with a cavity etched on one side. A reflective coating is deposited on at least a portion of the cavity. The sensor further includes a ferrule section coupled to the quartz substrate with the cavity therebetween. The cavity exists in a vacuum, and cavity gap is formed between the reflective metal coating and a surface of the ferrule. The sensor also includes an optical fiber enclosed by the ferrule section and extending from the cavity gap to an opposing end of the ferrule section and a metal casing surrounding the ferrule section and the quartz substrate with an opening for said optical fiber extending therefrom. The pressure applied to the quartz substrate changes the dimensions of the cavity gap and a reflected signal from the reflective coating is processed as a pressure. | 09-30-2010 |
| 20100328896 | ARTICLE INCLUDING THERMAL INTERFACE ELEMENT AND METHOD OF PREPARATION - An article and method of forming the article is disclosed. The article includes a heat source, a heat-sink, and a thermal interface element having a plurality of freestanding nanosprings, a top layer, and a bottom layer. The nanosprings, top layer, and the bottom layers of the article include at least one inorganic material. The article can be prepared using a number of methods including the methods such as GLAD and electrochemical deposition. | 12-30-2010 |
| 20110043219 | SYSTEM FOR DETECTING FAULTS IN ELECTRICAL WIRING, AND MANUFACTURING METHOD THEREOF - A diagnostic system for detecting faults in electrical wiring, and manufacturing method thereof is provided. The diagnostic system includes a diagnostic sensor coupled to a data acquisition system. The diagnostic sensor includes a sensor housing with a flexible coil sensor disposed inside. The sensor housing includes a base portion, lid portion, and a joining portion, wherein one end of the lid portion is detachably coupled to a first end of the base portion and another end of the lid portion is coupled to a second end of the base portion via the joining portion. The diagnostic sensor further includes a connector coupled to the flexible coil sensor. | 02-24-2011 |
