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Hebert, WI

Larry S. Hebert, Hudson, WI US

Patent application numberDescriptionPublished
20100151186COMPOSITE ARTICLE INCLUDING VISCOELASTIC LAYER WITH BARRIER LAYER - Fiber reinforced resin matrix composite laminates are provided comprising first and second layers of fiber reinforced resin matrix comprising first and second resin matrices and a viscoelastic construction located between the first and second layers of fiber reinforced resin matrix, bound to the first and second resin matrices, comprising: i) at least one viscoelastic layer; and ii) at least one barrier layer. In some embodiments, the viscoelastic construction comprises at least two barrier layers which differ in composition from at least one viscoelastic layer and wherein the at least two barrier layers are bound to said first and second resin matrices. In some embodiments, the one or more barrier layer(s) may be substantially impermeable to organic solvents, and/or substantially impermeable to water, and/or substantially impermeable to gasses.06-17-2010
20100151239SURFACING FILM FOR COMPOSITES WITH BARRIER LAYER - Fiber reinforced resin matrix composite laminates are provided comprising: at least one layer of fiber reinforced resin matrix comprising a cured resin matrix; and a surfacing construction bound to the cured resin matrix and forming a surface of the laminate, comprising: at least one barrier layer; and at least one cured adhesive layer derived from high temperature cure adhesive. In some embodiments, barrier layer(s) may be substantially impermeable to organic solvents, water, and/or gasses. In another aspect, fiber reinforced resin matrix composite laminates are provided comprising: a) at least one layer of fiber reinforced resin matrix comprising a cured resin matrix; and b) a surfacing construction bound to the cured resin matrix and forming a surface of the laminate, comprising: at least one barrier layer; and at least one electrically conductive layer. In another aspect, a surfacing construction is provided comprising a barrier layer and a curable adhesive layer.06-17-2010
20100263898LIGHTNING PROTECTION SHEET WITH PATTERNED CONDUCTOR - A lightning protection system is provided, typically for use on an outer surface of an aircraft, which includes the use of a lightning protection sheet that includes an electrically conductive film patterned into a plurality of hill features. The lightning protection sheet may additionally include an electrically non-conductive discriminator layer over the electrically conductive film.10-21-2010
20100264665LIGHTNING PROTECTION SHEET WITH PATTERNED DISCRIMINATOR - A lightning protection system is provided, typically for use on an outer surface of an aircraft, which includes the use of a lightning protection sheet that includes an electrically conductive film and at least one patterned, electrically non-conductive discriminator layer.10-21-2010
20110143136FLUOROPOLYMER FILM WITH EPOXY ADHESIVE - Protective articles are provided which include a fluoropolymer film and an epoxy adhesive, borne on at least one surface of the fluoropolymer film. The Protective articles include multilayer articles comprising a) a fluoroplastic layer, in contact with b) at least one curable adhesive layer, comprising a mixture of an uncured epoxide resin and curative agents selected from the group consisting of dicyandiamide, 4,4-aminophenyl disulfide, guanidine carbonate, thiourea and combinations thereof. Most typically, the curative agent includes dicyandiamide and in some embodiments consists essentially of dicyandiamide.06-16-2011

Patent applications by Larry S. Hebert, Hudson, WI US

Michael Hebert, Franklin, WI US

Patent application numberDescriptionPublished
20090304158MODULAR MULTISPOT X-RAY SOURCE AND METHOD OF MAKING SAME - A modular x-ray source for an imaging system includes an electron source mounting plate, two or more electron sources each mounted on and electrically coupled to the electron source mounting plate, and a target block positioned proximately to the two or more electron sources. The source includes two or more targets mounted on and electrically coupled to the target block, each target positioned opposite a respective one of the two or more electron sources to receive a respective beam of electrons therefrom.12-10-2009
20100046717APPARATUS FOR INCREASING RADIATIVE HEAT TRANSFER IN AN X-RAY TUBE AND METHOD OF MAKING SAME - A target assembly for generating x-rays includes a target substrate, and an emissive coating attached to the target substrate, the emissive coating including a textured material including a plurality of granular protrusions arranged to increase gray body emissive characteristics of the target assembly above that of the target substrate.02-25-2010

Michael Hebert, Muskego, WI US

Patent application numberDescriptionPublished
20080260102X-RAY TUBE TARGET BRAZED EMISSION LAYER - A target for generating x-rays includes a target substrate comprising at least one layer of a target material, a track comprising at least one layer of a track material, the track configured to generate x-rays from high-energy electrons impinging thereon, and a braze joint attaching the target substrate to the track.10-23-2008
20090080615METHOD AND APPARATUS FOR INCREASING HEAT RADIATION FROM AN X-RAY TUBE TARGET SHAFT - A target for generating x-rays includes a target substrate, a target shaft attached to the target substrate, and a radiation emissive coating applied to at least one of the target substrate and the target shaft, wherein a center-of-gravity of the target is positioned between a front bearing assembly and a rear bearing assembly of an x-ray tube.03-26-2009
20090086919APPARATUS FOR X-RAY GENERATION AND METHOD OF MAKING SAME - A composite target for generating x-rays includes a target substrate and at least one material applied to the target substrate with a laser beam.04-02-2009
20090285363APPARATUS FOR INCREASING RADIATIVE HEAT TRANSFER IN AN X-RAY TUBE AND METHOD OF MAKING SAME - A target assembly for generating x-rays includes a target substrate, and an emissive coating applied to a portion of the target substrate, the emissive coating comprising one or more of a carbide and a carbonitride.11-19-2009
20120106709ACTIVE THERMAL CONTROL OF X-RAY TUBES - The present embodiments relate to active thermal control of X-ray tubes, for example X-ray tubes used in CT imaging. In one embodiment, a system for thermal control of an X-ray tube is provided. The system includes an X-ray tube having an electron beam target, a rotary bearing supporting the target in rotation, and a coolant flow passage, at least a portion of the coolant flow passage being disposed in the center of the rotary bearing, and the coolant flow passage is configured to receive a coolant. The system also includes a coolant circulating system coupled to the coolant flow passage and configured to circulate the coolant thorough the coolant flow passage, and a control circuit coupled to the coolant circulating system and the rotary bearing, the control circuit being configured to control heat flow between components of the X-ray tube by regulating extraction of heat from the X-ray tube via the coolant and by regulating a rotation rate of the rotary bearing.05-03-2012

Patent applications by Michael Hebert, Muskego, WI US

Michael Hebert, Milwaukee, WI US

Patent application numberDescriptionPublished
20120106710X-RAY TUBE THERMAL TRANSFER METHOD AND SYSTEM - The embodiments disclosed herein relate to the thermal regulation of components within an X-ray tube, and more specifically to heat transfer between the anode and the rotary mechanism to which the anode is attached. For example, in one embodiment, an X-ray tube is provided. The X-ray tube generally includes a fixed shaft, a rotating bearing sleeve disposed about the fixed shaft and configured to rotate with respect to the fixed shaft via a rotary bearing, an electron beam target disposed about the bearing sleeve and configured to rotate with the bearing sleeve, and a thermally conductive, deformable metallic gasket disposed between the target and the bearing sleeve and configured to conduct heat between the target and the bearing sleeve in operation.05-03-2012
20120106711X-RAY TUBE WITH BONDED TARGET AND BEARING SLEEVE - The embodiments disclosed herein relate to the thermal regulation of components within an X-ray tube by transferring heat between the anode and the rotary mechanism to which the anode is attached. For example, in one embodiment, an X-ray tube is provided. The X-ray tube generally includes a fixed shaft, a rotating bearing sleeve disposed about the fixed shaft and configured to rotate with respect to the fixed shaft via a rotary bearing, and an electron beam target disposed about the bearing sleeve and configured to rotate with the bearing sleeve. The electron beam target is permanently bonded to the bearing sleeve.05-03-2012

Michael Scott Hebert, Franklin, WI US

Patent application numberDescriptionPublished
20090052627SYSTEM AND METHOD FOR COLLECTING BACKSCATTERED ELECTRONS IN AN X-RAY TUBE - A system and method for collecting backscattered electrons within a substantially evacuated vessel containing both an electron-emitting cathode assembly and an electron-attracting anode assembly. The system and method comprises an electron collector assembly including a first plate, a second plate, an internal member, a fluid inlet, and a fluid outlet. The first plate is mounted within the vessel closest to the anode assembly. The second plate is mounted within the vessel closest to the cathode assembly. The internal member is positioned between the first plate and the second plate, and includes an internal conduit for conveying a heat absorbing cooling fluid therethrough.02-26-2009
20100128848X-RAY TUBE HAVING LIQUID LUBRICATED BEARINGS AND LIQUID COOLED TARGET - An x-ray tube having a liquid lubricated bearing assembly and a liquid cooled anode target. The anode target and bearing assembly having increased lubrication and cooling to withstand higher power, higher temperature and higher load applications.05-27-2010
20100260323X-RAY TUBE HAVING A FERROFLUID SEAL AND METHOD OF ASSEMBLING SAME - An x-ray tube includes a vacuum enclosure, a shaft having a first end and a second end, a flange attached to the first end of the shaft, the flange having an outer perimeter, and a ferrofluid seal assembly having an inner bore, the inner bore having an outer perimeter smaller than the outer perimeter of the flange. The shaft is inserted through the bore of the ferrofluid seal assembly such that the ferrofluid seal assembly is positioned between the first end of the shaft and the second end of the shaft and such that the first end extends into the vacuum enclosure, and the ferrofluid seal is configured to fluidically seal the vacuum enclosure from an environment into which the second end of the shaft extends.10-14-2010
20110007872X-RAY TUBE TARGET AND METHOD OF REPAIRING A DAMAGED X-RAY TUBE TARGET - An x-ray tube target and method of repairing a damaged x-ray tube target. The x-ray tube target includes an original substrate and a portion of the original substrate that includes a new portion of a substrate and a new target track that is attached to a void in the original substrate. The method includes removal and replacement of damaged materials on used anode targets of x-ray tubes, thereby enabling recovery of used anode targets without the use of expensive and time consuming layer deposition methods. The method also avoids the high costs and long development cycles associated with known repair and refabrication methods for anode targets of x-ray tubes.01-13-2011
20110135067THERMAL ENERGY STORAGE AND TRANSFER ASSEMBLY AND METHOD OF MAKING SAME - An apparatus includes an electron collector includes a body having an internal bore formed therethrough along a first direction and a window side having an aperture formed in a first portion thereof along a second direction different from the first direction. The apparatus also includes a cover plate having a bottom surface coupled to a second portion of the first surface of the electron collector, and an x-ray transmission window coupled to the cover plate and aligned with the aperture along the second direction, wherein a recess is formed along the second direction in one of the first portion of the first surface of the electron collector and a portion of the bottom surface of the cover plate, and wherein a gap is formed between the bottom surface of the cover plate and the first surface of the electron collector.06-09-2011

Patent applications by Michael Scott Hebert, Franklin, WI US