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| Number | Title | Issue Date |
| 8059785 | X-ray target assembly and methods for manufacturing same The x-ray target assemblies have an oxide dispersion strengthened (ODS) refractory metal alloy substrate that is bonded to a carbon-containing heat sink. The x-ray target assemblies have excellent bonding between the substrate and the heat sink. The improved bonding... | 11/15/2011 |
| 7974383 | System and method to maintain target material in ductile state An x-ray tube includes a frame, an anode for generating x-rays disposed within the frame, a cathode disposed within the frame, where the cathode is configured to selectively emit an electron beam toward the anode, and at least one heating element disposed within the... | 07/05/2011 |
| 7561669 | Method and system for thermal control in X-ray imaging tubes Methods and systems for providing thermal insulation in an X-ray tube are provided. The method includes configuring a metallic foam to resist the heat flow in an X-ray tube. The method further comprises configuring the metallic foam for positioning in the X-ray tube... | 07/14/2009 |
| 7515687 | Compact source with very bright X-ray beam Provided is a device for the emission of X-rays. The device includes a vacuum pump including a sealed peripheral casing containing a cathode which emits a flux of electrons, a rotary anode mounted at the end of the shaft of the vacuum pump, a collection device for c... | 04/07/2009 |
| 7489763 | Rotary anode x-ray radiator A rotary anode x-ray radiator has an anode produced from a first material as well as a cathode. A structure for accommodation of at least one heat conductor element produced from a second material is provided on an external side of the anode facing away from the cat... | 02/10/2009 |
| 7406156 | X-ray tube An x-ray tube has a cathode and an anode produced from a first material, the anode having a heat conductor element on the first side thereof facing away from the cathode. To improve the performance of the x-ray tube, the heat conductor element is composed of graphit... | 07/29/2008 |
| 7394891 | X-ray generating method and X-ray generating apparatus An anticathode is repeatedly moved along a rotating axis of the anticathode while the anticathode is rotated around the rotating axis. Then, energy beams are irradiated onto a surface portion of the anticathode which is located against a centrifugal force generated ... | 07/01/2008 |
| 7369646 | Rotating envelope x-ray radiator A rotating envelope radiator has a radiator housing surrounded by an external housing to form an intervening space in which a coolant flows. To prevent the formation, at high rotational frequencies, of reverse flows of the coolant in the intervening space, a flow co... | 05/06/2008 |
| 7357175 | Heating element The invention relates to a heating element comprising a base body (4) made of metal, preferably aluminum or stainless steel, the surface (10) of which is highly polished and corrosion resistant. ... | 04/15/2008 |
| 7321653 | X-ray target assembly for high speed anode operation An x-ray target assembly is provided comprising a center hub element affixed to a drive shaft and an outer disc including a plurality of tab extensions removably engaging the periphery of the center hub element. A target element is mounted on an upper outer disc sur... | 01/22/2008 |
| 7313226 | Sintered wire annode A plurality of high atomic number wires are sintered together to form a porous rod that is parted into porous disks which will be used as x-ray targets. A thermally conductive material is introduced into the pores of the rod, and when a stream of electrons impinges ... | 12/25/2007 |
| 7286643 | X-ray tube target balancing features An x-ray assembly is provided comprising a target shaft and an x-ray target element mounted to the target shaft. A circumferential feature is formed in the x-ray target element. At least one weight element is adapted to be securable in a plurality of positions withi... | 10/23/2007 |
| 7280639 | Rotary piston x-ray tube with the anode in a radially rotating section of the piston shell A rotary piston x-ray tube has a piston formed by a case wall and support such that it can rotate around a rotational axis. The piston contains a cathode and an anode. To improve cooling, the anode of the rotary piston x-ray tube forms a radially-rotating section of... | 10/09/2007 |
| 7197117 | Rotating anode X-ray tube and X-ray generator A coolant passage is formed inside the rotary shaft while an air passage is formed inside the casing. A mechanical seal is arranged between the coolant passage and the air passage. Leakage cooling water, which has leaked in the form of vapor from the mechanical seal... | 03/27/2007 |
| 7197119 | High-performance anode plate for a directly cooled rotary piston x-ray tube A high-performance anode plate for a directly cooled rotary piston x-ray tube is formed of a high-temperature-resistant material such as tungsten, molybdenum or a combination of both materials. In the region of the focal spot path, the underside of the anode plate i... | 03/27/2007 |
| 7187752 | Product irradiator for optimizing dose uniformity in products An apparatus and method for irradiating a product or product stack with a relatively even radiation dose distribution is provided. The apparatus comprises a radiation source, an adjustable collimator, a turn-table capable of receiving a product stack and a control s... | 03/06/2007 |
| 7184520 | Component mounting system with stress compensation A component mounting system that includes a rotor stem, nut, and mechanical interface. The mechanical interface defines a shaped surface and is integral with the component. An axial opening in the component permits the component to be mounted on the rotor stem. The ... | 02/27/2007 |
| 7164751 | Device for generating X-rays The present invention relates to a device for generating X-rays having a source for emitting electrons, a carrier which is provided with a material which generates X-rays as a result of the incidence of electrons, and a bearing by means of which the carrier is journ... | 01/16/2007 |
| 7095821 | Non-rusting and non-particulating imaging X-ray tube rotor assembly An rotor assembly (30) for an imaging X-ray tube (32) is provided. The imaging X-ray tube rotor assembly (30) includes at least partially a magnetic non-corrosive material. A method of producing the imaging tube X-ray rotor assembly (30) ... | 08/22/2006 |
| 7079625 | X-ray anode having an electron incident surface scored by microslits An X-ray anode is produced by scoring at least a region of a surface of the anode, on which electrons are incident, with a number of defined microslits, thereby making the surface, or at least the region thereof, highly thermally stressable. ... | 07/18/2006 |
| 7065178 | Rotating anode x-ray tube A rotating anode x-ray tube has a rotating anode contained in a vacuum-sealed housing with a compartment for a cathode projecting from a cover of the housing opposite the rotating anode. To improve the durability, a transition part connecting the compartment with th... | 06/20/2006 |
| 7062017 | Integral cathode An integral cathode for use with x-ray devices. The integral cathode includes an emitter made of a refractory metal such as tungsten, preferably doped with rhenium to afford malleability during construction and assembly. The integral cathode also includes a support ... | 06/13/2006 |
| 7062016 | Thermal generator assembly, X-ray imaging system, and X-ray apparatus overheat preventing method A method for preventing overheating of an X-ray apparatus. The method includes controlling an X-ray tube and an X-ray detector which are opposed to each other with a subject between them so as to acquire projection data concerning the subject, estimating quantities ... | 06/13/2006 |
| 7050542 | Device for generating x-rays having a heat absorbing member The invention relates to a device for generating X-rays (41). The device comprises a source (5) for generating an electron beam (35), and a carrier (7) which is rotatable about an axis of rotation (15) and which is provided with a ... | 05/23/2006 |
| 7005774 | Rotary current-collecting device and rotating anode X-ray tube A rotary current-collecting device includes a rotary slip ring and brushes coming into sliding contact with the outer peripheral surface of the slip ring. The brush-holding ring has an inner surface to which three brush-holding springs are fixed by screws. Each of t... | 02/28/2006 |
| 6993116 | Metallic vacuum housing for an X-ray tube In an X-ray tube having a metallic vacuum housing containing an anode and a cathode which emits an electron beam proceeding from said cathode to said anode, the metallic vacuum housing is improved by providing several notches into the surface of the metallic vacuum ... | 01/31/2006 |
| 6940946 | Rotating anode with a multi-part anode body of composite fiber material, and method for making same A rotating anode for an x-ray tube has an anode body composed of composite fiber material, mounted in a bearing system, the anode body having a target surface with a focal ring and including fibers with particularly high heat conductivity in the longitudinal directi... | 09/06/2005 |
| 6925151 | Device for generating X-rays The invention relates to a device (1) for generating X-rays (57). The device comprises a source (7) for emitting electrons (53) and a liquid metal for emitting X-rays as a result of the incidence of electrons. The device further comprises... | 08/02/2005 |
| 6807348 | Liquid metal heat pipe structure for x-ray target An x-ray tube (10) includes an evacuated envelope (14), a cathode assembly (20) located in the evacuated envelope and a disk shaped anode assembly (18) located in the evacuated envelope in operative relationship with the cathode assembly ... | 10/19/2004 |
| 6735281 | Rotating anode for X-ray tube using interference fit A method for assembling a rotating X-ray tube, the X-ray tube having a cathode for emitting electrons, and a rotor and a bearing assembly for facilitating rotation of an anode. The method includes using an interference fit assembly between the bearing assembly and t... | 05/11/2004 |
| 6705759 | Fan control circuit for X-ray tube device An X-ray system (10) includes an X-ray tube (16) that has a temperature sensor (22) coupled thereto. The temperature sensor (22) may be included in a heat exchanger (18). The temperature sensor (22) generates a temperature s... | 03/16/2004 |
| 6693990 | Low thermal resistance bearing assembly for x-ray device A bearing assembly for a rotating anode x-ray device. The bearing assembly includes a shaft having a flange at one end for attachment of the anode thereto. The shaft defines front and rear inner races and includes a plurality of extended surfaces. Front a... | 02/17/2004 |
| 6603834 | X-ray tube anode cold plate An x-ray tube assembly (16) includes a housing (40) and an insert frame (54) supported within the housing (40), such that the insert frame (54) defines a substantially evacuated envelope in which a cathode assembly (60) and a rotating anode assembly (58) ... | 08/05/2003 |
| 6584172 | High performance X-ray target A brazed X-ray target includes a metallic cap and a graphite back including a nonlinear record groove attached thereto along a stepped surface. An upper corner joint of the stepped surface is distanced from a cap outer edge and a focal track where the max... | 06/24/2003 |
| 6529579 | Cooling system for high power x-ray tubes A cooling system for use with high-powered x-ray tubes. The cooling system includes a reservoir containing liquid coolant, in which the high-powered x-ray tube is partially immersed. In general, the liquid coolant is cooled and then circulated through the... | 03/04/2003 |
| 6512816 | Temperature clock for x-ray tubes An x-ray system 20 includes an x-ray tube insert (24) that has an evacuated envelope (34), an anode assembly (38) and a cathode assembly (40). The anode assembly (38) and the cathode assembly (40) are located in operative relationship to one another withi... | 01/28/2003 |
| 6477231 | Thermal energy transfer device and x-ray tubes and x-ray systems incorporating same An x-ray generating device or system include an anode assembly including a target; a cathode assembly disposed at a distance from the anode assembly, the cathode assembly configured to emit electrons that strike the target of the anode assembly, producing... | 11/05/2002 |
| 6477236 | X-ray tube of rotary anode type A rotary anode X-ray tube, comprising a rotor, a stationary structure, a dynamic pressure slide bearing formed between the rotor and the stationary structure, the stationary structure having a lubricant storage chamber and provided with a lubricant passag... | 11/05/2002 |
| 6463125 | High performance x-ray target A brazed X-ray target includes a metallic cap and a graphite back including a nonlinear record groove attached thereto along a stepped surface. An upper corner joint of the stepped surface is distanced from a cap outer edge and a focal track where the max... | 10/08/2002 |
| 6459768 | X-ray tube window and frame A method and apparatus for providing a window frame and window for use in an x-ray tube, wherein the new structure reduces deforming stresses on the window produced by pressure differential incident upon the window. The support structure of the window fra... | 10/01/2002 |
