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Class 378/130 - With cooling fluid


Subclass of Class 378 - X-ray or gamma ray systems or devices
Definition: Subject matter wherein a fluid is used to remove heat from
No. of patents: 168
Last issue date: 08/30/2011


1          
NumberTitleIssue Date
8009805Rotating union for a liquid cooled rotating X-ray target
A rotating union for an X-ray target is provided. The rotating union for the X-ray target comprises a housing, a coolant-slinging device comprising a rotating shaft having an inner diameter and an outer diameter, a proximal end and a distal end, and a bore therein, ...
08/30/2011
7903787Air-cooled ferrofluid seal in an x-ray tube and method of fabricating same
An x-ray tube includes a rotatable shaft having a first end and a second end, a target coupled to the first end of the rotatable shaft, the target positioned to generate x-rays toward a subject upon impingement of electrons thereon, and an impeller coupled to the se...
03/08/2011
7697665Rotating anode X-ray tube
A rotating anode X-ray tube includes a fixed body having a radial sliding bearing surface and a channel therein through which a coolant flows, a rotor including a discoid large-diameter portion, which has a recess fitted with one end portion of the fixed body with a...
04/13/2010
7558376Rotating anode X-ray tube assembly
There is disclosed a rotating anode X-ray tube assembly includes a vacuum envelope integrated with an anode target, a housing receiving at least the vacuum envelope, and rotatably holding it, a circulation path circulating a cooling medium in a state of closing to a...
07/07/2009
7508916Convectively cooled x-ray tube target and method of making same
An anode assembly includes a rotatable hub having a rotation axis and having a cooling passage formed therethrough and a ferrofluid seal attached to the rotatable hub, the ferrofluid seal fluidically separating a first volume containing the target from a second volu...
03/24/2009
7499525Heat exchanger for a diagnostic x-ray generator with rotary anode-type x-ray tube
A heat exchanger system for a single-tank x-ray generator of an x-ray diagnostic device with a rotating anode tube with a glass jacket is provided. The system provides for the thermal radiation emitted by the anode plate of the rotating anode tube, which glows durin...
03/03/2009
7443957X-ray apparatus with a cooling device through which cooling fluid flows
An x-ray apparatus has a cooling device for cooling of the anode, through which cooling device cooling fluid flows. To improve the cooling effect, the coolant is water and a pressure generation device is provided for generation of a water pressure of more than 1.1 b...
10/28/2008
7440549Heat pipe anode for x-ray generator
A rotating anode for x-ray generation uses a heat pipe principle with a heat pipe coolant located in a sealed chamber of a rotating portion of the anode. The rotating portion is positioned relative to a second portion so that relative rotation occurs between the two...
10/21/2008
7436931X-ray source for generating monochromatic x-rays
The present invention relates to an X-ray source comprising an electron source (1) for the emission of electrons (E), a target (4) for the emission of characteristic, substantially monochromatic X-rays (C) in response to the incidence of the electrons ...
10/14/2008
7412032X-ray emitter, liquid-metal anode for an x-ray source and method for operating a magnetohydrodynamic pump for the same
The invention relates to a method for operating a magnetohydrodynamic pump 5 for a liquid-metal anode 1 of an X-ray source. It is provided according to the invention that it can be operated in at least two modes, wherein the first mode is a thaw...
08/12/2008
7391852X-ray apparatus
An X-ray apparatus includes a rotation-anode type X-ray tube which is configured such that a rotatable anode target and a cathode that is disposed to be opposed to the anode target are accommodated within a vacuum envelope, a stator which generates an induction elec...
06/24/2008
7382863Anode cooling system for an X-ray tube
In some embodiments, an anode cooling system for a rotating-anode type X-ray tube includes a heat pipe arrangement comprising an evaporator part coupled to an anode, a condenser part coupled to a bearing of the anode, and a plurality of heat pipes arranged in mutual...
06/03/2008
7376218X-ray source assembly
An x-ray source assembly capable of producing x-rays suitable for use in medical, explosive detection, and other areas. The assembly includes a housing having a two-part socket member (which holds the assembly's x-ray tube therein) positioned therein. The two-part h...
05/20/2008
7369646Rotating 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
7359486Structure for collecting scattered electrons
A structure for collecting scattered electrons within a substantially evacuated vessel containing both an electron-emitting cathode and an electron-attracting anode is disclosed herein. The electron-collecting structure includes a two-sided first plate, a two-sided ...
04/15/2008
7354197Imaging inspection apparatus with improved cooling
An imaging inspection apparatus which utilizes a plurality of individual imaging devices (e.g., X-ray Computer Tomography scanning devices) positioned on a frame for directing beams onto articles having objects therein to detect the objects based on established crit...
04/08/2008
7343002Bearing 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
7327828Thermal optimization of ferrofluid seals
A hermetic sealing system includes a chamber enclosing a high vacuum and positioned within an ambient environment and a rotatable shaft having a first portion extending into the chamber and a second portion extending out from the chamber. A ferrofluid seal is positi...
02/05/2008
7313226Sintered 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
7302042Remote bladder venting and containment system
A system for remotely venting an expansion bladder employed in a liquid-filled container, such as an outer housing of an x-ray tube. The remote venting configuration provides the expansion bladder with access to atmospheric pressure existing about the x-ray tube so ...
11/27/2007
7292154Monitor and method for sensing temperature differences
A monitor can sense the difference in temperature between the inside and the outside of an enclosure containing electrical power equipment. The monitor has a case adapted for mounting at the enclosure. Also included is a first and a second sensor for producing a fir...
11/06/2007
7280638Systems, methods and apparatus for X-ray tube housing
An X-ray tube housing with integrated cooling passages in the walls of the X-ray tube housing, through which a liquid or gas coolant is circulated and the heat is transferred from the X-ray tube housing to an external cooler. The integrated cooling passages are crea...
10/09/2007
7280639Rotary 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
7257193X-ray source assembly having enhanced output stability using tube power adjustments and remote calibration
An x-ray source assembly includes an anode having a spot upon which electrons impinge based on power level supplied to the assembly, and an optic coupled to receive divergent x-rays generated at the spot and transmit output x-rays from the assembly. A control system...
08/14/2007
7245700System 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
7236569X-ray tube
The invention improves an insulating performance of an X-ray tube without increasing an insulation size. An X-ray tube in accordance with the invention keeps a mechanical strength of a glass insulation material and improves an insulation withstand voltage by a conca...
06/26/2007
7236570Semi-permeable diaphragm sealing system
A sealing system is disclosed for preventing liquid escape from the reservoir of an apparatus, such as an x-ray tube, that utilizes a diaphragm for maintaining constant liquid pressure in the reservoir. The sealing system of embodiments of the present invention cont...
06/26/2007
7218707High-voltage vacuum tube
High voltage vacuum tube (9) with an anode (3) and a cathode (4), the anode (3) and/or the cathode (4) being electrically insulted by means of an annular insulator (21/22). The annular insulator (21/22) is designed ar...
05/15/2007
7215740Rotary 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
7209545X-ray source assembly having enhanced output stability, and fluid stream analysis applications thereof
An x-ray source assembly (2700) and method of operation are provided having enhanced output stability. The assembly includes an anode (2125) having a source spot upon which electrons (2120) impinge and a control system (2715/2720) for con...
04/24/2007
7206380X-ray apparatus
An X-ray apparatus includes a rotation-anode type X-ray tube which is configured such that a rotatable anode target and a cathode that is disposed to be opposed to the anode target are accommodated within a vacuum envelope, a stator which generates an induction elec...
04/17/2007
7203280X-ray apparatus
The present invention relates to an X-ray apparatus comprising an electron radiation source which generates an electron to an anode, a shaft which rotatably supports the anode, a stator which generates a force to rotate a rotor shaft, an enclosure which maintains at...
04/10/2007
7199384Inductively-driven light source for lithography
An apparatus for producing light includes a chamber that has a plasma discharge region and that contains an ionizable medium. The apparatus also includes a magnetic core that surrounds a portion of the plasma discharge region. The apparatus also includes a pulse pow...
04/03/2007
7197115Cantilever 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
7197118X-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
7197117Rotating 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
7192189Portable industrial x-ray system conveniently field-configurable for gas or liquid cooling
An x-ray system with a tubehead that can be easily configured in the field for gas or liquid cooling of the x-ray tube anode so a user need not stock or carry more than one kind of tubehead to accommodate different cooling needs. ...
03/20/2007
7190765Bearing 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
7186021Method and system for controlling temperatures in an x-ray imaging environment
Certain embodiments of the present invention provide a system for controlling temperatures in an x-ray imaging environment including: a first component capable of operating within a first temperature range; a second component capable of operating within a second tem...
03/06/2007
7186022X-ray source and method for more efficiently producing selectable x-ray frequencies
An x-ray tube and method of operating include a vacuum chamber vessel and a source of an electron beam inside the vacuum chamber vessel. A target disposed inside the vacuum chamber vessel includes a substrate and one or more deposits attached to the substrate. Each ...
03/06/2007
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