Did You Know...
...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8009806 | Apparatus and method of cooling a liquid metal bearing in an x-ray tube An x-ray tube includes a center shaft having an inner surface and an outer surface, the inner surface forming a portion of a cavity therein, a mount having an inner surface, the mount having an x-ray target attached thereto, and a liquid metal positioned between the... | 08/30/2011 |
| 7991121 | Frequency tuned anode bearing assembly In one example embodiment, an x-ray tube comprises an anode configured to rotate at an operating frequency, and a bearing assembly configured to rotatably support the anode and tuned to a resonant frequency that is different than the operating frequency. ... | 08/02/2011 |
| 7970104 | Bearing unit for rotary anodes of X-ray tubes The invention relates to a bearing unit (1) for rotary anodes of X-ray tubes, with a shaft (2) and a flange element (3), to which a rotary anode can be attached, wherein the bearing unit (1) can be inserted into a cutout within the X-ray ... | 06/28/2011 |
| 7933382 | Interface for liquid metal bearing and method of making same An x-ray tube includes a cathode and a target assembly positioned to receive electrons emitted from the cathode. The target assembly includes a target and a spiral groove bearing (SGB) configured to support the target. The SGB includes a rotatable component having a... | 04/26/2011 |
| 7852989 | Ball bearing design temperature compensating x-ray tube bearing The rotating anode x-ray tube has a composite outer bearing made from two rings of a high hot-hardness material and a spacer between the two rings made of a constant coefficient of thermal expansion material. The spacer is welded to the two rings providing the compo... | 12/14/2010 |
| 7672434 | X-ray tube An X-ray tube equipped with a rotating anode cartridge comprising a reinforced sealing system. This sealing system is achieved in three complementary manners. Firstly, when the anode rotates, in order to confine the liquid alloy within the cartridge, the invention p... | 03/02/2010 |
| 7620153 | Cage for x-ray tube bearings A bearing assembly mounted in an x-ray tube includes a bearing race and a plurality of bearing balls positioned adjacent to the bearing race. The plurality of bearing balls are positioned within a bearing cage. The bearing cage is configured to evenly space the bear... | 11/17/2009 |
| 7505564 | Composite coating for improved wear resistance for x-ray tube bearings A bearing assembly mounted in an x-ray tube includes a bearing race and a bearing ball positioned adjacent to the bearing race. A lubricant is deposited on a first portion of a bare metal of one of the bearing race and the bearing ball, and a metal matrix deposited ... | 03/17/2009 |
| 7492869 | Titanium carbide plus silver coated balls for x-ray tube bearings A bearing assembly for an x-ray tube is disclosed that includes a bearing race, a bearing ball positioned adjacent to the bearing race, and a combination coating deposited on one of the bearing race and the bearing ball. The combination coating includes titanium car... | 02/17/2009 |
| 7492870 | Method for coating a carbon-carbon composite x-ray tube bearing cage A method for manufacturing an x-ray tube bearing cage includes the step of forming a bearing cage from a carbon-carbon composite material. A coating is applied to the carbon-carbon composite bearing cage. The coating includes an outer layer formed of a dry film lubr... | 02/17/2009 |
| 7433448 | Method for the production of a corrected x-ray image data set In a method for correcting pixels of an x-ray image data set, an x-ray exposure of a subject is acquired with an x-ray device that uses a storage film having a luminescent storage material layer serving as a radiation detector. The sensitivity of the luminescent sto... | 10/07/2008 |
| 7397897 | Composite coating for improved wear resistance for x-ray tube bearings A bearing assembly mounted in an x-ray tube includes a bearing race and a bearing ball positioned adjacent to the bearing race. A coating is deposited on one of the bearing race and the bearing ball includes a lubricant and a hard material having a hardness greater ... | 07/08/2008 |
| 7377695 | Integral duplex bearings for rotating x-ray anode An x-ray target assembly is provided comprising a drive shaft and an outer shaft housing element. A primary integral duplex bearing assembly is positioned between the outer shaft housing element and the drive shaft and comprises a primary fixed outer race and a prim... | 05/27/2008 |
| 7343002 | Bearing assembly A bearing assembly suitable for use in conjunction with x-ray device having a rotating target anode and electron source disposed in an evacuated enclosure. The bearing assembly includes a shaft having a rotor hub to which the anode is mounted. The shaft cooperates w... | 03/11/2008 |
| 7324629 | Rotary anode type X-ray tube In a rotary anode type X-ray tube, a rotary anode and a rotary structure supporting the anode are arranged within the vacuum envelope. A stationary shaft has a middle section which is fitted into a cylindrical portion of the rotary structure, and a dynamic pressure ... | 01/29/2008 |
| 7317784 | Multiple wavelength X-ray source A multiple wavelength X-ray source includes an electron-generating cathode and an anode with multiple target regions, each of which emits X-rays at a different characteristic wavelength in response to the electrons. The different X-ray radiation outputs are focused ... | 01/08/2008 |
| 7317782 | Radiation scanning of cargo conveyances at seaports and the like A radiation scanning system comprises a radiation source and a radiation detector that are proximate a crane system that moves objects between the source and the detector for scanning. The source and/or detector may be supported by the crane system or may be near to... | 01/08/2008 |
| 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 |
| 7245700 | System and method for providing sealing arrangement in X-ray tube A system and method for providing a sealing arrangement in an X-ray tube are provided. The X-ray tube includes a rotating portion having a plurality of ball bearings and a liquid metal within a housing having the ball bearings therein. The rotating portion is config... | 07/17/2007 |
| 7233646 | Computerized method for generating a schedule for implementing examination with an x-ray apparatus In a method and a computer for generating a schedule for the implementation of examinations with an x-ray apparatus, in particular an x-ray computed tomography apparatus, a particularly exact schedule is generated by calculating an occupation duration for each patie... | 06/19/2007 |
| 7215740 | Rotary anode type X-ray tube In a rotary anode type X-ray tube, a rotary anode and a rotary structure supporting the anode are arranged within the vacuum envelope. A stationary shaft has a middle section which is fitted into a cylindrical portion of the rotary structure, and a dynamic pressure ... | 05/08/2007 |
| 7203281 | Encapsulated stator assembly for an x-ray tube An encapsulated stator assembly for use in stator-driven devices is disclosed. The encapsulated stator assembly includes a stator and a covering portion that envelops the stator. The purpose of the covering portion is multi-fold: first, the covering portion serves a... | 04/10/2007 |
| 7197114 | X-rays emitter and X-ray apparatus and method of manufacturing an X-ray emitter An X-ray emitter and an X-ray apparatus and method of manufacturing an x-ray emitter. The emitter has an anode, a cathode, and a vacuum evacuated body in which the anode and the cathode are placed. The body has an opening and a high-voltage connector placed in the o... | 03/27/2007 |
| 7197115 | Cantilever and straddle x-ray tube configurations for a rotating anode with vacuum transition chambers An imaging tube assembly (11) for a computed tomography (CT) system (10) includes an insert (60) that has a vacuum chamber (72). An anode (58) resides within the vacuum chamber (72) and rotates on a shaft (66) via one... | 03/27/2007 |
| 7197118 | X-ray apparatus The present invention is characterized by supporting a stator to generate a magnetic field and an anode target by a dynamic pressure plain bearing using a liquid metal, and cooling at least the inside of the dynamic pressure plain bearing and an enclosure containing... | 03/27/2007 |
| 7190765 | Bearing temperature and focal spot position controlled anode for a CT system An anode assembly (50) includes a thermally conductive bearing encasement (52) covering a portion of a bearing (64). An anode (56) rotates on the bearing (64) and has a target (58) with an associated focal spot (60). ... | 03/13/2007 |
| 7187810 | Methods and systems for correcting image misalignment The invention provides methods of determining a correction for a misalignment between at least two images in a sequence of images due at least in part to sample movement. The methods are applied, for example, in the processing and analysis of a sequence of images of... | 03/06/2007 |
| 7187757 | Cooled radiation emission device A cooled radiation emission device has an enclosure in which X-rays are produced. In the enclosure, there is a cathode, an anode situated facing the cathode and rotating on a shaft, and a fixed anode shaft support. The support includes a holding chamber, the shaft o... | 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 |
| 7174267 | Computer-assisted method for calculating the temperature of a solid body In a method for the calculation of a temperature T of a solid body of a liquid cooling medium, or the time t needed for a temperature change of the solid body or the liquid cooling medium, the differential equation dT/dt=b−cT is converted into a dimensionless diff... | 02/06/2007 |
| 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 |
| 7162005 | Radiation sources and compact radiation scanning systems An X-ray source is disclosed comprising a source of high energy electrons that travel along a longitudinal path. Target material lies along the longitudinal path and X-ray radiation is generated due to impact of the high energy electrons with the target. Shielding m... | 01/09/2007 |
| 7149281 | Method and device for mounting a rotating member A rotating anode is mounted on a shaft of an X-ray tube by means of a ring. The ring allows expansion and reduces the hyperstatic state of the assembly. The ring has the shape of a diabolo, preferably that of a hyperboloid structure generated by revolution. The ring... | 12/12/2006 |
| 7127035 | Rotary anode type X-ray tube An anode target is roratably supported by a rotating mechanism having a rotary body and a staionary body. A fitted portion between the rotary body and the stationary body is formed of bearing areas having dynamic pressure type sliding bearings and a non-bearing area... | 10/24/2006 |
| 7127034 | Composite stator A composite stator is disclosed for use with rotationally driven apparatus, particularly high voltage x-ray tubes. The composite stator generally comprises a core, a plurality of motor windings, and a retaining band. The core is comprised of two or more core section... | 10/24/2006 |
| 7118275 | X-ray emission device and method of assembly An X-ray emission device and a method of assembly of the device having a casing with a window and an X-ray tube place in the casing. The tube comprises an anode assembly equipped with an anode, a cathode assembly equipped with a cathode and an envelope containing th... | 10/10/2006 |
| 7116757 | X-ray tube with rotary anode An x-ray tube has an anode plate connected to an anode tube that is mounted such that it can rotate around a rigid anode shaft. To improve the heat dissipation from the anode plate, a liquid for dissipation of heat to the anode shaft is accommodated in an intervenin... | 10/03/2006 |
| 7113568 | Liquid cooled bearing housing with greased lubricated rotating anode bearings for an x-ray tube A rotating anode bearing housing includes an x-ray tube frame (106) that has a vacuum chamber (108). An anode (110) resides within the vacuum chamber (108) and rotates on a shaft (114) via a bearing (117). The bearing (11... | 09/26/2006 |
| 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 |
| 7050541 | X-ray tube with liquid-metal fluid bearing An x-ray tube has a stationary cathode and a rotating anode in a vacuum housing. The anode is positioned on a housing-fixed axle such that it can be rotated, and is fashioned as a hollow body in the interior of which an axle-fixed ring projection is disposed, such t... | 05/23/2006 |
