Patent application number | Description | Published |
20100258734 | NEUTRON SENSITIVITY USING DETECTOR ARRAYS - A neutron detector includes an anode and a cathode. The cathode circumscribes the anode and has a plurality of planar segments facing the anode. In one embodiment, the neutron detector is part of an array of neutron detectors. | 10-14-2010 |
20100258735 | B10 NEUTRON DETECTOR IN PIE SHAPED SECTORS - A neutron detector array that includes a hollow member circumscribing an axis and bounding a volume. A divider extends parallel to the axis within the hollow member to divide the volume into a plurality of volume portions. A plurality of anodes extend parallel to the axis; at least one anode within each volume portion. A plurality of cathodes wherein the hollow member has an interior surface and the divider has surfaces that are coated with neutron sensitive material. Also, a neutron detector that includes a hollow cathode bounding a volume portion with at least a partial wedge cross-section, and an anode extending thought the volume portion. An electric field exists during operation of the neutron detector within the volume portion, the electric field varying across the cross-section, and the anode being located at an area of maximum field strength within the field. The detector may be used in the array. | 10-14-2010 |
20110068274 | USING UV LIGHT SOURCE FOR SELF TESTING GAS FILLED GAMMA AND NEUTRON DETECTORS - An apparatus for detecting at least one of neutron and gamma ray reception and outputting a signal indicative of the reception. A detector is responsive to the at least one of neutron and gamma ray reception. The detector has a cathode, an anode separated by a space from the cathode, and a gas within the separating space. Charge is generated within the gas upon the at least one of neutron and gamma ray reception at the cathode and the charge passes to the anode as a detection. A processing arrangement is operatively connected to the anode for outputting the signal indicative of the detection. A light irradiation arrangement for introducing a light irradiation causes charge within the gas that replicates the charge generated upon detection and that causes output of a signal that replicates the signal indicative of the detection. | 03-24-2011 |
Patent application number | Description | Published |
20130273483 | FLAME SENSOR - 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. | 10-17-2013 |
20130318994 | ULTRA-VIOLET FLAME DETECTOR WITH HIGH TEMPERATURE REMOTE SENSING ELEMENT - A flame sensor apparatus is provided including a sensor assembly for sensing characteristics of a flame within a combustion chamber. The flame sensor apparatus further includes an electrical assembly that is electrically remote from the sensor assembly. In addition, a cable assembly extends between the sensor assembly and the electrical assembly. The cable assembly can convey the characteristics of the flame from the photodiode to the electrical assembly. The cable assembly is included as part of a sealed array filled with an inert gas. In addition, a method of sensing characteristics of a flame is also provided. | 12-05-2013 |
20140124260 | ELECTRICAL CABLE SEAL AND METHOD OF MAKING - A flame sensor apparatus and a cable assembly apparatus are provided for use in sensing characteristics of a flame within a combustion chamber. The flame sensor apparatus includes an electrical assembly remote from a sensor assembly. A cable assembly extends between the sensor assembly and the electrical assembly. The cable assembly includes two cable ends and a housing that defines an internal volume. Cable fittings are connected to the cable ends through a first seal. An electrical cable is inserted through cable fitting openings in each cable fitting and the internal volume of the housing. A second seal is located in the annular spaces between the electrical cable and each cable fitting opening, configured to prevent moisture and contaminants from passing through the cable fitting opening. Additionally, a method of sealing an electrical cable and a flexible conduit is provided. | 05-08-2014 |
20140216155 | HERMETIC ELECTRICALLY SHIELDED CONNECTOR - A sensor apparatus is used for sensing a condition in a combustion chamber. The sensor apparatus includes a sensor housing having a sealed internal chamber. The sensor apparatus further includes a connector attached to an opening of the sensor housing. The connector transfers a signal indicative of the condition into the sensor housing. A fastener is secured to the connector. A sealing member is disposed between the connector and the fastener. The sealing member sealingly engages the connector to prevent fluid passage through the connector and into the internal chamber of the sensor housing. A method of sealing a sensor apparatus is also provided. | 08-07-2014 |
20140353473 | SYSTEM AND METHOD FOR DETERMINATION OF FLAMES IN A HARSH ENVIRONMENT - A system for determination of presence of flames is provided. The system includes a photosensitive transducer configured to generate a response signal that is a function of electromagnetic radiation from a flame source. The system also includes a signal processing unit that includes a modulation unit and a demodulation unit. The modulation unit is configured to generate a modulated response signal by modulating the response signal with a modulation signal of frequency higher than that of an unwanted signal present the response signal. The demodulation unit is configured to determine an output signal by demodulating the modulated response signal. The demodulation unit eliminates the unwanted signal from the modulated response signal during the determination of the output signal. Further, the system also includes a processing unit configured to process the output signal to determine flame presence based on the intensity of the incident radiation from the flame. | 12-04-2014 |
Patent application number | Description | Published |
20100209613 | MULTIFUNCTIONAL STELLATE PREPOLYMER MIXTURES, PRODUCTION AND USE AND COATINGS MADE THEREOF - The invention relates to coatings having a contact angle hysteresis with water measured by the sessile drop method of at most 20°. The coatings can be produced from a mixture of at least two different stellate prepolymers and/or stellate prepolymer/nanoparticle complexes which may cross-link to each other and to the surface of the substrate coated, wherein the stellate prepolymers and/or stellate prepolymer/nanoparticle complex have at least three hydrophilic polymer branches before cross-linking which are themselves soluble in water with on all or a part of the free ends thereof, silyl end groups R | 08-19-2010 |
20110251118 | ADSORPTION AGENT FOR SEPARATING DYED COMPOUNDS FROM AQUEOUS FORMULATIONS - In order to separate dyes from aqueous solutions, an improved adsorption agent is proposed, which can be produced according to a method, wherein in a first reaction step, a multifunctional alcohol is reacted with an alkylene oxide into a star-shaped OH-terminated polyether. In a second reaction step, the polyether is reacted with a silane compound such that at an average more than one alkoxy silane group per molecule polyether is present, and in a third reaction step a cross-linking product is obtained by condensation in the presence of acids, wherein optionally further siloxane group-containing modifying agents can be incorporated, and wherein in a final treatment step, the cross-linked products obtained in said manner are separated and optionally dried or ground, | 10-13-2011 |