Patent application number | Description | Published |
20090142639 | Seal system for solid oxide fuel cell and method of making - A solid oxide fuel cell assembly is disclosed comprising a felt seal and a spacer capable of limiting a compressive force applied to the seal system. Also disclosed is a solid oxide fuel cell assembly comprising a seal system comprising a felt seal, wherein at least a portion of the felt seal defines a cavity in contact with a ceramic electrolyte sheet and wherein the cavity comprises at least one of a solid metal wire, a powdered metal, a sintered metal, a powdered ceramic, a sintered ceramic, or a combination thereof. Also disclosed is a solid oxide fuel cell assembly comprising a labyrinth seal that defines a cavity in which at least a portion of a ceramic electrolyte sheet is disposed. Also disclosed is a mounted ceramic electrolyte sheet comprising a ceramic electrolyte sheet and a metal frame positioned adjacent thereto, and a labyrinth seal. | 06-04-2009 |
20100118306 | Alignment Optimization For Optical Packages - Methods of optimizing optical alignment in an optical package are provided. In one embodiment, the optical package includes a laser diode, a wavelength conversion device, coupling optics positioned along an optical path extending from the laser diode to the wavelength conversion device, and one or more adaptive actuators. The method involves adjusting the optical alignment of the wavelength conversion device in a non-adaptive degree of freedom by referring to a thermally-dependent output intensity profile of the laser diode and a thermally-dependent coupling efficiency profile of the optical package. The adjustment in the non-adaptive degree of freedom is quantified such that, over a given operating temperature range of the optical package, portions of the coupling efficiency profile characterized by relatively low coupling efficiency offset portions of the output intensity profile characterized by relatively high laser output intensity and portions of the coupling efficiency profile characterized by relatively high coupling efficiency offset portions of the output intensity profile characterized by relatively low laser output intensity. Additional embodiments are disclosed and claimed. | 05-13-2010 |
20100128369 | Optical Package Comprising an Adjustable Lens Component Coupled to a Multi-Directional Lens Flexure - An optical package is provided comprising a lens system, the lens system comprising an adjustable lens component, a plurality of magnetic elements, and a multi-directional lens flexure. The adjustable lens component is mechanically coupled to a lens mounting portion of the multi-directional lens flexure. The magnetic elements comprise at least one fixed magnetic element and at least one motive magnetic element. The arrangement of the fixed and motive magnetic elements relative to each other forms a first fixed/motive element pair and a second fixed/motive element pair. The motive magnetic element of each fixed/motive element pair is mechanically coupled to a motive portion of the multi-directional lens flexure. The structure of the multi-directional lens flexure and the arrangement of the fixed/motive element pairs is such that non-orthogonal repulsive or attractive magnetic force vectors generated between magnetic elements of the respective fixed/motive element pairs generate movement of the adjustable lens component through orthogonal components x, y along X and Y axes of the X-Y optical reference frame. | 05-27-2010 |
20100151596 | METHOD FOR ALIGNING OPTICAL PACKAGES - A method is given for aligning an optical package comprising a laser, a wavelength conversion device, at least one adjustable optical component and at least one actuator. The adjustable optical component may be moved to a command position by applying a pulse width modulated signal to the actuator. The command position represents an optimized alignment of the laser and wavelength conversion device. The actual position of the adjustable may be measured by measuring an output of a position measuring circuit, which may measure the voltage amplitude of an oscillation in a resonator tank circuit during an “off” period of the pulse-width modulated signal. The resonator tank circuit may comprise a capacitive element electrically coupled to the electrically conductive coil. The pulse-width modulated signal may then be adjusted to compensate for any difference in the actual position and the command position of the adjustable optical component. Additional embodiments are disclosed and claimed. | 06-17-2010 |
20100281922 | Methods for producing optical fibers - Methods for producing optical fibers along nonlinear paths include incorporating fluid bearings. An optical fiber is drawn from a preform along a first pathway, contacted with a region of fluid cushion of a fluid bearing, and redirected along a second pathway as the fiber is drawn across said region of fluid cushion. | 11-11-2010 |
20110122421 | OPTICAL PACKAGE ALIGNMENT SYSTEMS AND PROTOCOLS - Methods of positioning an optical unit in an optical package are provided. According to one method, a partially assembled optical package is provided. The wavelength conversion device within the package comprises a conversion layer having a waveguide portion formed therein. The optical unit is coarse-positioned in the optical package to direct light from the laser diode to the wavelength conversion device in the form of a beam spot on an input face of the wavelength conversion device. The intensity of the frequency-converted optical signal output from the wavelength conversion device is monitored as the position of the optical unit is modified to 1D scan the beam spot along a portion of a crossing axis Y | 05-26-2011 |
20120105834 | SYSTEMS AND METHODS FOR VISIBLE LIGHT SOURCE EVALUATION - Particular embodiments of the present disclosure relate systems and methods for evaluating visible light sources. According to one embodiment, a method of evaluating a visible light source including a semiconductor laser having a gain section, a wavelength selective section, and a phase section includes applying a gain drive signal to the gain section of the semiconductor laser at a gain modulation frequency, and applying a triangular wave drive signal to the wavelength selective section of the semiconductor laser at a wavelength selective modulation frequency that is greater than the gain modulation frequency. The light source emits a plurality of optical output pulses. Output power values of the optical output pulses at a selected wavelength are detected. The output power value of one or more selected output pulses is compared with an output power threshold value to generate an indication of whether the visible light source satisfies an output power specification. | 05-03-2012 |
20140096565 | METHODS AND APPARATUSES FOR COOLING OPTICAL FIBERS - Methods and apparatuses for cooling optical fibers are disclosed. In one embodiment, In some embodiments, a cooling apparatus for cooling an optical fiber in a production process includes a channel defined by at least one sidewall assembly and a plurality of interior cavities positioned along the interior of the sidewall assembly. The interior cavities include at least one plenum, a first plurality of fluid supply cavities in fluid communication with the at least one plenum, and a second plurality of fluid supply cavities in fluid communication with the at least one plenum. Cooling fluid is supplied from the at least one plenum to the first plurality of fluid supply cavities in a first direction and the second plurality of fluid supply cavities in a second direction opposite the first direction. | 04-10-2014 |
20140321812 | PRETERMINATED FIBER OPTIC CONNECTOR SUB-ASSEMBLIES, AND RELATED FIBER OPTIC CONNECTORS, CABLE ASSEMBLIES, AND METHODS - Embodiments disclosed herein include pre-terminated fiber optic connector sub-assemblies, and related fiber optic connectors, cables, and methods. In certain embodiments, an optical fiber stub is pre-installed in a ferrule bore of a ferrule of a fiber optic connector sub-assembly, to provide the pre-terminated fiber optic connector sub-assembly. The optical fiber stub can be pre-installed in the ferrule bore prior to termination of the fiber optic connector sub-assembly. Because the pre-terminated optical fiber stub disposed in the ferrule bore is not directly accessible through a ferrule body of the ferrule when a field optical fiber is disposed in the ferrule bore for fusion splicing, the ferrule has properties that allow thermal energy to be directed through the ferrule body into the ferrule bore. In this manner, the optical fiber stub pre-installed in the ferrule bore can be fusion spliced with the field optical fiber to terminate a fiber optic cable. | 10-30-2014 |
20150241638 | PRETERMINATED FIBER OPTIC CONNECTOR SUB-ASSEMBLIES, AND RELATED FIBER OPTIC CONNECTORS, CABLE ASSEMBLIES, AND METHODS - Embodiments disclosed herein include pre-terminated fiber optic connector sub-assemblies, and related fiber optic connectors, cables, and methods. In certain embodiments, an optical fiber stub is pre-installed in a ferrule bore of a ferrule of a fiber optic connector sub-assembly, to provide the pre-terminated fiber optic connector sub-assembly. The optical fiber stub can be pre-installed in the ferrule bore prior to termination of the fiber optic connector sub-assembly. Because the pre-terminated optical fiber stub disposed in the ferrule bore is not directly accessible through a ferrule body of the ferrule when a field optical fiber is disposed in the ferrule bore for fusion splicing, the ferrule has properties that allow thermal energy to be directed through the ferrule body into the ferrule bore. In this manner, the optical fiber stub pre-installed in the ferrule bore can be fusion spliced with the field optical fiber to terminate a fiber optic cable. | 08-27-2015 |
20150346114 | SYSTEM AND METHOD FOR INSPECTING A BODY - A system for inspecting a body, which includes a first end side, a second end side, and cells extending through the body from the first end side to the second end side, is provided. The system includes at least one light source configured to project light through and out of at least one corresponding group of the cells, a target configured to display the light projected through and out of the at least one corresponding group of the cells, an imaging system configured to determine at least one location of the displayed light on the target, and a system processor configured to compare the determined at least one location of the displayed light with a location of the at least one light source and calculate, from the comparison thereof, at least one of a pointing angle and a pointing vector for the at least one corresponding group of the cells. | 12-03-2015 |
Patent application number | Description | Published |
20100012088 | ENGINE CONTROL INCLUDING KNOCK COMPENSATION - Systems and methods are described, including one example method of controlling an engine having a cylinder with at least one valve operated by a variable valve mechanism (VVM) having a sensor coupled to the valve, the method comprising: adjusting at least one operating parameter in response to an indication of detonation of a combustible mixture in the cylinder, the indication based on the sensor coupled to the valve. | 01-21-2010 |
20110144883 | Engine Control with Valve Operation Monitoring Using Camshaft Position Sensing - A system or method for controlling a multiple cylinder internal combustion engine operable in a reduced displacement mode with at least one valve or cylinder selectively deactivated include monitoring valve operation by analyzing camshaft position to detect valve operation inconsistent with a current cylinder state (activated or deactivated) and controlling the engine in response to detecting the inconsistent operation. The camshaft position may be used to produce a surrogate signal indicative of intake/exhaust valve lift generated using camshaft sensor tooth deviation relative to an expected or reference tooth position for a corresponding crankshaft position and compared to a corresponding threshold. The surrogate signal indicative of valve lift may also be generated by pattern matching or correlation of one or more reference tooth position patterns to a measured or inferred tooth position pattern. | 06-16-2011 |
20110172873 | EMOTIVE ADVISORY SYSTEM VEHICLE MAINTENANCE ADVISOR - A vehicle maintenance advisor system for use by a driver of an automotive vehicle includes a computer. The computer is configured to receive input indicative of a vehicle history. The vehicle history includes how the vehicle is driven over time. The computer is further configured to identify a need to advise the driver that the vehicle requires a maintenance service based on the vehicle history. An alert is output to the driver. The alert indicates the required maintenance service for the vehicle. | 07-14-2011 |
20110193726 | EMOTIVE ADVISORY SYSTEM INCLUDING TIME AGENT - An emotive advisory system for use by one or more occupants of an automotive vehicle includes a computer. The computer is configured to receive input indicative of an operating state of the vehicle. The computer determines at least one of a need to provide time information to an occupant based on the operating state of the vehicle and an occupant request to provide time information to the occupant. The computer generates data representing an avatar having an appearance, and data representing a spoken statement for the avatar. The spoken statement provides time information to the occupant in spoken dialog based on at least one of the need and the request. The computer outputs data representing the avatar for visual display, and data representing the statement for the avatar for audio play. | 08-11-2011 |
20120158207 | VIRTUAL AMBIENT WEATHER CONDITION SENSING - A system for providing weather conditions includes a server in communication with a weather data provision service. The server includes a middleware application operable to process weather data requests. The system also includes a gps module, and at least one component control system, operable to adjust at least one parameter associated with at least one vehicle component. Finally, the illustrative system includes a vehicle computing system, in communication with the GPS module, the at least one component control system, and the server. In response to a request for data from the component control system, the vehicle computing system passes GPS data to the server, including the request for data, and the vehicle computing system responsively receives the requested data from the server. The vehicle computing system relays the received data to the component control system that requested the data. | 06-21-2012 |
20120215446 | Crowdsourced Weather Data Collection and Provision - A computer-implemented method of gathering data includes querying, via a vehicle computing system, a plurality of weather sensors included with a vehicle and in communication with a vehicle network. The method also includes determining whether or not appropriate conditions exist for storage of data from the sensor, for each of the sensors. Additionally, the method includes storing the data from the sensor if appropriate conditions exist. Finally, the method includes sending, from the vehicle computing system to a remote network, data from one or more queried sensors and current GPS coordinates of the vehicle. | 08-23-2012 |
20120277952 | Method and Apparatus for Vehicle System Calibration - A computer-implemented method includes requesting weather data from a remote location. The illustrative embodiment further includes determining if one or more vehicle systems should be adjusted, based at least in part on the requested weather data. The illustrative embodiment additionally includes adjusting one or more vehicle systems contingent at least in part on the determining. The illustrative embodiment further includes repeating the determining and adjusting until no weather data remains for processing. | 11-01-2012 |
20120296550 | ENGINE CONTROL WITH VALVE OPERATION MONITORING USING CAMSHAFT POSITION SENSING - A system or method for controlling a multiple cylinder internal combustion engine operable in a reduced displacement mode with at least one valve or cylinder selectively deactivated include monitoring valve operation by analyzing camshaft position to detect valve operation inconsistent with a current cylinder state (activated or deactivated) and controlling the engine in response to detecting the inconsistent operation. The camshaft position may be used to produce a surrogate signal indicative of intake/exhaust valve lift generated using camshaft sensor tooth deviation relative to an expected or reference tooth position for a corresponding crankshaft position and compared to a corresponding threshold. The surrogate signal indicative of valve lift may also be generated by pattern matching or correlation of one or more reference tooth position patterns to a measured or inferred tooth position pattern. | 11-22-2012 |
20120316699 | VEHICLE DRIVER ADVISORY SYSTEM AND METHOD - An automotive vehicle may include at least one controller configured to monitor a plurality of parameters representing a driver's dynamic control of the vehicle and to establish a reference range based on values of the monitored parameters during a first time period. The at least one controller may be further configured to detect a change in driver behavior condition when, during a second time period, a parameter derived from the monitored parameters falls outside of the reference range, and in response to detecting the change in driver behavior condition, to alter a response of the vehicle to driver inputs or to generate output representing a recommendation to alter a response of the vehicle to driver inputs. | 12-13-2012 |
20130197775 | ENGINE RESPONSE ADJUSTMENT - Methods and systems are provided for adjusting an engine output delivered in response to an operator pedal actuation based at least on a grade of vehicle travel. During uphill travel, in the presence of headwinds, and/or in the presence of a vehicle payload, the output may be increased while during downhill travel or in the presence of tailwinds, the output may be decreased. In this way, driver fatigue during travel over varying elevations, varying ambient conditions, and varying loads can be reduced. | 08-01-2013 |
20140025259 | METHOD AND SYSTEM TO DETECT AND MITIGATE CUSTOMER DISSATISFACTION WITH PERFORMANCE OF AUTOMATIC MODE SELECTION SYSTEM - A method for controlling a vehicle includes automatically activating a first mode of operation of a vehicle, determining if a driver does not prefer the automatically activated first mode of operation, and automatically transitioning to a second mode of operation based on the determination. | 01-23-2014 |
20140149017 | SYSTEM AND METHOD FOR IMPROVING VEHICLE PERFORMANCE - Methods and systems for adjusting vehicle operation in response to vehicle weight are described. In one example, an adaptive driver demand correction is adjusted in response to vehicle weight. The methods and systems may provide for more consistent powertrain response and lower vehicle emissions at lower vehicle weights. | 05-29-2014 |
20140288775 | METHOD AND SYSTEM FOR PREDICTIVE VEHICLE SYSTEMS PERFORMANCE SELECTION FOR ENHANCED MANEUVERABILITY - A predictive enhanced maneuverability system providing enhanced timely delivery of vehicle performance selection of chassis, and steering modes for potential predicted safety collisions is disclosed. The primary inputs of the disclosed invention include a determination of the proximity to a preceding vehicle, the density of the surrounding traffic, a forward collision warning alert, and the predictive enhanced maneuverability decision sub-system for vehicle mode selection. The system of the disclosed invention provides a customized vehicle dynamics chassis and steering dynamic mode output, based on a predicted decision about vehicle potential for collision, for improved driver maneuverability and safety. In addition, the disclosed invention provides an improved system and method for incorporating the time dependent headway, forward collision warning alert, and the traffic density for chassis collision-mode embedded decision-making. The predictive enhanced maneuverability decision-module allows vehicle dynamics mode selection to be tailored based on proximity to a potential collision. | 09-25-2014 |
20150112547 | ROAD CHARACTERISTIC PREDICTION - A vehicle system includes at least one sensor that collects infrastructure information in real time and outputs sensor signals representing the collected infrastructure information. A processing device processes the sensor signals, predicts a future road characteristic based on the infrastructure information, and controls at least one vehicle subsystem in accordance with the predicted future road characteristic. A method includes receiving infrastructure information collected in real time, processing the infrastructure information, predicting a future road characteristic based on the infrastructure information, and controlling at least one vehicle subsystem in accordance with the predicted future road characteristic. | 04-23-2015 |
20150112548 | ROAD CHARACTERISTIC PREDICTION - A vehicle system includes at least one sensor and a processing device. The sensor is configured to output sensor signals representing infrastructure information collected in real time. The processing device is configured to predict a future road characteristic based on the infrastructure information, evaluate a prediction error, adjust a prediction horizon until the prediction error is within a predetermined accuracy range, and control at least one vehicle subsystem in accordance with the predicted future road characteristic. A method includes receiving infrastructure information collected in real time, predicting a future road characteristic based on the infrastructure information, evaluating a prediction error, adjusting a prediction horizon until the prediction error is within a predetermined accuracy range, and controlling at least one vehicle subsystem in accordance with the predicted future road characteristic. | 04-23-2015 |
20150127241 | ENGINE RESPONSE ADJUSTMENT - Methods and systems are provided for adjusting an engine output delivered in response to an operator pedal actuation based at least on a grade of vehicle travel. During uphill travel, in the presence of headwinds, and/or in the presence of a vehicle payload, the output may be increased while during downhill travel or in the presence of tailwinds, the output may be decreased. In this way, driver fatigue during travel over varying elevations, varying ambient conditions, and varying loads can be reduced. | 05-07-2015 |
20160096526 | ENHANCED VEHICLE SPEED CONTROL - A demand is identified based on input from a vehicle operator. Data is received providing a history of vehicle velocities. An estimated reference velocity is generated based at least on the velocity data. A final demand is generated based at least in part on a reference velocity indicated by the velocity control signal and the estimated reference velocity. | 04-07-2016 |