Hazelton
Alan C. Hazelton, Tolland, CT US
Patent application number | Description | Published |
---|---|---|
20120240871 | METHOD AND CONFIGURATION TO REDUCE FATIGUE IN STEAM DRUMS - A heat recovery steam generator that includes a first steam drum for receiving a flow of water and steam from an evaporator. The first steam drum is adapted to provide the flow of water and steam to a second steam drum. The second steam drum is in fluid communication with the first steam drum and receives the flow of water and steam from the first steam drum and separates steam from the flow of water and steam to form a separated steam. There is a steam flow outlet positioned in the second steam drum, the steam flow outlet adapted to release the separated steam from the second steam drum. | 09-27-2012 |
Andrew J. Hazelton, San Carlos, CA US
Patent application number | Description | Published |
---|---|---|
20140354967 | ENVIRONMENTAL SYSTEM INCLUDING A TRANSPORT REGION FOR AN IMMERSION LITHOGRAPHY APPARATUS - An immersion lithography apparatus includes (i) an optical assembly including an optical element, and configured to project a beam onto a substrate through an immersion liquid; (ii) a containment member that surrounds a path of the beam; and (iii) a stage on which the substrate is held, the substrate on the stage being moved below and spaced from a bottom surface of the containment member. The containment member includes: (1) a nozzle outlet via which water as the immersion liquid is released, (2) a recovery channel via which the immersion liquid is recovered from a gap between the containment member and the substrate and/or the stage, and (3) a fluid channel via which water is released to the gap between the containment member and the substrate and/or the stage, the fluid channel being provided radially inward of the recovery channel. | 12-04-2014 |
20160033399 | OPTICAL METROLOGY WITH PURGED REFERENCE CHIP - An integrated metrology module includes a chuck for holding a sample and positioning the sample with respect to an optical metrology device, a reference chip for the optical metrology device, the reference chip being movable to various positions with respect to the optical metrology device, and a reference chip purge device provides a flow of purge gas or air over the reference chip while the reference chip is in the various positions. The reference chip purge device may be static or movable with the reference chip. | 02-04-2016 |
20160033763 | PROTECTED LENS COVER PLATE FOR AN OPTICAL METROLOGY DEVICE - A cover plate or lens for an optical metrology device that is positioned under a wafer during measurement is protected with a purge device. The purge device may include a ring that extends around a periphery of the cover plate or lens. The ring includes a plurality of apertures through which a purge gas or air is expelled over the surface of the cover plate or lens. Additionally or alternatively, one or more heating elements may be provided that extend around the periphery of the cover plate or lens. The heating elements heat the cover plate above a dewpoint temperature of contaminant vapor. A heat sensor may be used to monitor the temperature of the cover plate to control the heating elements and/or to compensate for optical changes of the cover plate caused by heating during measurement of a wafer. | 02-04-2016 |
20160085159 | ENVIRONMENTAL SYSTEM INCLUDING VACUUM SCAVENGE FOR AN IMMERSION LITHOGRAPHY APPARATUS - A liquid immersion lithography apparatus includes an optical assembly having a last optical element, a first outlet facing downward, via which an immersion liquid is released, a first inlet via which the immersion liquid is drawn, and a containment member arranged to surround a last portion of the optical assembly. The containment member has (i) a second inlet facing downward, which is arranged radially-outwardly from the first outlet with respect to a space under the last optical element and via which fluid is removed from a gap formed under the containment member, and (ii) a second outlet facing downward, via which gas is supplied to the gap formed under the containment member, the second outlet being arranged radially-outwardly from the second inlet with respect to the space. | 03-24-2016 |
20160085160 | ENVIRONMENTAL SYSTEM INCLUDING A TRANSPORT REGION FOR AN IMMERSION LITHOGRAPHY APPARATUS - An immersion lithography apparatus includes an optical assembly that projects a beam onto a substrate through an immersion liquid, a containment member surrounding a path of the beam, a stage holding the substrate, an isolator having a first actuator which limits vibrations of the optical assembly, and a support system having a second actuator to support the containment member and move it by the second actuator. The containment member includes a first supply opening via which water as the immersion liquid is released, a recovery opening via which the immersion liquid is recovered from a gap between the containment member and the substrate and/or the stage, and a second supply opening via which the water is released to the gap between the containment member and the substrate and/or the stage, the second supply opening being provided radially inward of the recovery opening. | 03-24-2016 |
Craig Hazelton, Lafayette, CO US
Patent application number | Description | Published |
---|---|---|
20120006444 | COILED UMBILICAL TUBING - A method of producing an umbilical includes providing an elongate flat metal strip, providing an elongate service carrier, encasing the service carrier in an insulation that is strain tolerant and high temperature tolerant, forming the metal strip into a tube shape around the insulated service carrier, and thereafter welding the edges of the metal strip to form a tube surrounding the insulated service carrier. The method may further comprise coiling the umbilical onto a spool. Such an umbilical may be useful for carrying fluids, power, control signals, or the like into a well. | 01-12-2012 |
20130118754 | Thermal Hydrate Preventer - Systems and methods for the prevention or dissolution of hydrates in an undersea well. One example system includes a submersible isolation bell for capturing effluent being exhausted from the well, and an umbilical. A power cable supplies electric power to the submersible isolation bell, for example for heating of the interior of the submersible isolation bell to prevent or discourage the formation of methane hydrates and the precipitation of other byproducts. Diluents may be supplied to the submersible isolation bell to further discourage the formation of hydrates and precipitation of other byproducts. The diluents may be heated locally at the submersible isolation bell, using electric power supplied by the power cable. A conformable seal may substantially seal the submersible isolation bell to a riser or other structure at the wellhead. | 05-16-2013 |
Drew W. Hazelton, Selkirk, NY US
Patent application number | Description | Published |
---|---|---|
20090156409 | FAULT CURRENT LIMITER INCORPORATING A SUPERCONDUCTING ARTICLE - A fault current limiter (FCL) article is disclosed including a superconducting tape segment that includes a substrate, a buffer layer overlying the substrate, and a high temperature superconducting (HTS) layer overlying the buffer layer, wherein the superconducting tape segment forms a meandering path that is continuous having a plurality of windings. The article also includes a shunting circuit electrically connected to the superconducting tape segment. | 06-18-2009 |
20090298697 | MULTIFILAMENTARY SUPERCONDUCTING ARTICLES AND METHODS OF FORMING THEREOF - A superconducting article is provided that includes a multifilamentary superconducting tape segment having a substrate tape, a buffer layer overlying the substrate, and filaments comprising a high temperature superconducting (HTS) material overlying the buffer layer. The filaments extend along a length of the substrate and are laterally spaced apart from an adjacent filament by a space. The multifilamentary superconducting tape segment comprises a critical current retention ratio is at least about 0.4. | 12-03-2009 |
20130040820 | FAULT CURRENT LIMITER INCORPORATING A SUPERCONDUCTING ARTICLE AND A HEAT SINK - A fault current limiting (FCL) article comprising a superconducting tape segment comprising a substrate, a buffer layer overlying the substrate, a high temperature superconducting (HTS) layer overlying the buffer layer, and a heat sink overlying the HTS layer, where the heat sink is comprised of a non-metal material, a thermal conductivity of not less than about 0.1 W/m-K at 20° C., an electrical resistivity of not less than about 1E-5 Ω-m at 20° C., and a shunting circuit electrically connected to the superconducting tape segment. | 02-14-2013 |
Drew Willard Hazelton, Selkirk, NY US
Patent application number | Description | Published |
---|---|---|
20090221426 | Enhanced heat transfer from an HTS element in a cryogenic bath - The fault current limiter in a cryogenic liquid heat transfer medium, employs a high temperature superconductor (HTS) element which has a high thermal resistance coating material encapsulating the high temperature superconductor to form an intermediate boundary layer between the HTS element and the heat transfer medium. The coating material has a thickness which enables it to minimize the retained heat in the HTS element during recovery from a fault condition, wherein substantially all heat transfer from the encapsulated high temperature superconductor element to the liquid cryogen heat transfer medium occurs at the nucleate boiling heat transfer rate. | 09-03-2009 |
G. Thomas Hazelton, Plano, TX US
Patent application number | Description | Published |
---|---|---|
20150295310 | Adaptive Donor Antenna - An adaptive donor antenna system including at least one antenna array being structured and disposed for generating a radio frequency beam pattern for receiving and repeating a data transmission signal; a sensor device that is structured and disposed for measuring the strength of the data transmission signal; a microcontroller in communication with the sensor device, and the microcontroller being structured and disposed for dynamically steering the radiation pattern of the at least one antenna array in the direction of the strongest data transmission signal as measured by the sensor device; and a phase shifter in communication with the at least one antenna array and the microcontroller, and the phase shifter being structured and disposed for adjusting the radio frequency beam pattern of the at least one antenna. | 10-15-2015 |
Richard George Hazelton, Cudal AU
Patent application number | Description | Published |
---|---|---|
20160114341 | DEFLECTOR FOR A BROADCAST SPREADER - The invention comprises a deflector assembly for use with a spreading disc rotatable around a first axis, the deflector assembly comprising an array of deflector members concentrically disposed relative to the first axis, wherein a stream of particulate material discharged onto the deflector assembly is deflected onto a portion of the spreading disc. | 04-28-2016 |
20160114714 | MODULAR BROADCAST SPREADER - The invention comprises a chassis rail comprising an elongate frame member having a first end for mounting a head pulley and a second end for mounting a tail pulley; a first plurality of spaced-apart apertures to allow visual inspection of a plurality of bed rollers; and a second plurality of spaced-apart apertures to allow visual inspection of a plurality of return rollers. | 04-28-2016 |
Troy David Hazelton, Sagamore Hills, OH US
Patent application number | Description | Published |
---|---|---|
20160087112 | HIGH TEMERATURE, HERMETICALLY SEALED, TRIAXIAL MOUNT FOR A LIGHT SENSITIVE ELEMENT - A sensor assembly for a flame sensor apparatus includes a photodiode that generates a current. The sensor assembly includes a seal assembly supporting the photodiode. The seal assembly includes an inner conductor defining an inner conductor end. The inner conductor includes an inner conductor surface disposed at the inner conductor end. The photodiode is attached to the inner conductor end of the inner conductor and to a middle conductor end of a middle conductor. The photodiode is electrically connected to the inner conductor surface. The seal assembly is triaxial so as to protect the current generated by the photodiode. The seal assembly withstands temperatures up to or greater than about 325° C. The seal assembly forms a hermetic barrier that, with the photodiode supported within a sealed volume, limits the passage of materials/gases through the seal assembly. | 03-24-2016 |