Matches 1 - 50 out of 136 1 2 3 >
Match Document Document Title
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...
7558375 Stationary cathode in rotating frame x-ray tube  
An x-ray tube includes a stationary base and a passage therein. The x-ray tube includes an anode frame having an anode positioned adjacent to a first end and having a neck at a second end, the neck...
7519158 Pumping schemes for X-ray tubes with ferrofluid seals  
A system for mitigating a gas load imposed upon a high vacuum chamber, thereby reducing the overall pressure, includes a device mounted onto a rotating gantry. The device has a first chamber...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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 )...
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...
7046766 Device for generating X-rays having an integrated anode and bearing member  
A device for generating X-rays includes source for emitting electrons; a carrier having a material that generates X-rays in response to the electrons; and dynamic groove bearing configured to...
6940947 Integrated bearing assembly  
An integrated bearing assembly is provided, comprising a bearing housing defining an axial cavity in which a shaft is disposed. The shaft is rotatably supported by at least two bearing sets. The...
6891928 Liquid metal gasket in x-ray tubes  
Liquid metal gaskets for use in vacuum tubes are provided. Such liquid metal gaskets are ideal for use in x-ray tubes in x-ray imaging systems. These liquid metal gaskets comprise an internal plug...
6888923 Assembly for mounting a radiation emitting device, radiation emitting device having such an assembly, and a radiological apparatus having such an assembly and emitting device  
A bearing assembly for the rotational mounting of a rotary anode of an X-ray emitting device on a support having at least one rolling bearing provided in order to be placed between the rotary anode...
6751292 X-ray tube rotor assembly having augmented heat transfer capability  
A rotor assembly capable of augmented heat transfer within an x-ray tube is disclosed for preventing heat damage to sensitive tube components. The rotor assembly generally comprises a shaft...
6751291 Rotary anode type X-ray tube  
Disclosed is a rotary anode type X-ray tube comprising an anode target emitting an X-ray, a rotating mechanism for rotatably supporting the anode target, the rotating mechanism including an inside...
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...
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...
6570961 X-ray source bearing housing assembly  
X-ray source bearing assemblies are described herein. In an exemplary embodiment, an x-ray source includes a target anode, a rotor shaft coupled to the target anode, and a motor coupled to the...
6480571 Drive assembly for an x-ray tube having a rotating anode  
An anode drive assembly for use in an x-ray tube having a rotating anode is disclosed. The anode drive assembly is comprised of a bearing assembly that provides rotational support to a rotor...
6477232 Rotary-anode-type X-ray tube  
A rotary-anode-type X-ray tube comprising an anode target, a rotary cylinder supporting the target, and a stationary shaft having radial dynamic-pressure slide bearings to which a liquid-metal...
6456692 High emissive coatings on x-ray tube components  
An x-ray tube having one or more components, such as the rotor, that include a coating of relatively high emissivity. The coating, a metal oxide composition for example, is selectively applied to...
6456693 Multiple row spiral groove bearing for X-ray tube  
A multiple row spiral grooved bearing assembly 26 for use in a rotating anode X ray tube device 10 has an intermediate race 32 having a spiral grooved inner 34 and outer 36 surface placed...
6449339 Rotary anode type X-ray tube and X-ray tube apparatus provided with the same  
Disclosed is a rotary anode type X-ray comprising a substantially columnar stator, a cylindrical first rotor coupled around the stator, at least one hydrodynamic slide bearing region including a...
6445770 Thermally isolated x-ray tube bearing  
A high energy x-ray tube includes an evacuated chamber ( 12 ) containing a rotor ( 34 ) which rotates an anode ( 10 ) in the path of a stream of electrons (A) to generate an x-rays (B) and heat....
6430262 Dual suspension bearings for x-ray tube  
A high energy x-ray tube includes an evacuated chamber ( 12 ) containing a rotor ( 34 ) which rotates an anode ( 10 ) through a stream of electrons (A) in order to generate an x-ray beam (B). The...
6430261 Rotary anode X-ray tube with an axial bearing arrangement  
The invention relates to a rotary-anode X-ray tube which includes an axial bearing arrangement which is particularly suitable for combination with a radial spiral groove bearing. It is a problem of...
6418192 Multiple row x-ray tube bearing assembly  
An x-ray tube assembly is provided, including a multiple row x-ray tube bearing assembly including an inner bearing member, an outer bearing member, and a free rotational intermediate race member...
6385293 Thermally equalized X-ray tube bearing  
A high energy x-ray tube includes an evacuated chamber ( 12 ) containing a rotor ( 34 ) which rotates an anode ( 10 ) in the path of a stream of electrons (A) to generate an x-ray beam (B) and...
6377658 Seal for liquid metal bearing assembly  
The present invention provides, in one embodiment, a bearing assembly consisting of a rotatable shaft and a stator coaxially aligned. The stator has at least one circumferential protrusion that...
6327340 Cooled x-ray tube and method of operation  
The present invention is directed to a cooling system and apparatus for use in x-ray tubes. In operation x-ray tubes generate large amounts of heat. The disclosed device includes a liquid metal...
6295338 Oil cooled bearing assembly  
An x-ray tube (20) comprising a cathode (23) and an anode (24) in operative relationship with the cathode (23). The anode (24) is mounted on a stem (32). The x-ray tube includes at least one...
6275567 Rotary-anode X-ray tube provided with a hydrodynamic sleeve bearing  
The invention relates to a rotary-anode X-ray tube which includes a sleeve bearing which is composed of an inner and an outer bearing segment, the outer bearing segment including intermediate...
6269146 Rotating anode x-ray tube capable of efficiently discharging intense heat  
There is provided a rotating anode X-ray tube capable of efficiently discharging intense heat generated when X-rays are generated and achieving a high output power, a long-time continuous operation...
6198803 Bearing assembly including rotating element and magnetic bearings  
A bearing assembly includes: an axial rotatable structure including a cylindrical rotor assembly (including a motor rotor and a plurality of magnetic bearing rotors); a cylindrical stationary...
6125168 X-ray tube rotor and stator assembly  
An X-ray tube assembly having bearings rotatably connecting a rotor shaft and a stator. A pair of circumferential protrusions each radially extend from the shaft and are spaced apart a first radial...
6064719 Rotary-anode X-ray tube including a sleeve bearing  
The invention relates to a rotary-anode X-ray tube which includes a sleeve bearing comprising an inner bearing member (9) and an outer bearing member (8). The inner bearing member itself includes...
6011829 Liquid cooled bearing assembly for x-ray tubes  
An x-ray tube includes an envelope defining an evacuated chamber in which an anode assembly is rotatably mounted to a bearing assembly and interacts with a cathode assembly for production of...
5991361 Bearing assembly for X-ray tube  
An X-ray tube bearing assembly has a first X-ray tube shaft with first and second ball-bearing raceway surfaces which are integral with (i.e., either monolithic portions of or fixedly attached to)...
5978448 Bearing preload arrangement with linear bearing component for X-ray tube  
In an X-ray tube provided with a frame, a rotary bearing, and a target and anode supported by the rotary bearing for rotation with respect to the frame, an improved arrangement is provided for...
5978447 X-ray tube straddle bearing assembly  
A rotating assembly 79 includes an anode assembly 55 coupled to a shaft 70 and a rotor 75 including a rotor body 77. The anode assembly 55 includes an elongated neck portion 58 and is rotated via...
5838763 X-ray tube with a plain bearing  
An X-ray tube has a rotating anode and a plain bearing for mounting the rotating anode in a vacuum housing. The plain bearing has an inner bearing part that is stationary in relation to the vacuum...
5838762 Rotating anode for x-ray tube using interference fit  
A method for assembling a rotating X-ray tube structure ensures balance retention during the life of the tube. The X-ray tube structure has a cathode for emitting electrons, and a rotor and a...
Matches 1 - 50 out of 136 1 2 3 >