| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 378141000 | With cooling means | 33 |
| 20080310596 | X-Ray Tube Cooling Apparatus - A cooling apparatus ( | 12-18-2008 |
| 20080317210 | X-Ray Tube Cooling Collar - An x-ray tube assembly ( | 12-25-2008 |
| 20090052627 | SYSTEM 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 |
| 20090129550 | FILAMENT ASSEMBLY HAVING REDUCED ELECTRON BEAM TIME CONSTANT - A filament assembly for use in an x-ray emitting device or other filament-containing device is disclosed. In one embodiment, an x-ray tube is disclosed, including a vacuum enclosure that houses both an anode having a target surface, and a cathode positioned with respect to the anode. The cathode includes a filament assembly for emitting a beam of electrons during tube operation. The filament assembly comprises a heat sink and a plurality of filament segments. The filament segments are configured for simultaneous emission of an electron beam for impingement on the target surface of the anode, and are electrically connected in series. Each filament segment includes first and second end portions that are thermally connected to the heat sink, and a central portion that can be configured with a modified work function for preferential electron emission. | 05-21-2009 |
| 20090245471 | MEDICAL IMAGING SYSTEM WITH A REMOTE FLUID COOLANT CIRCULATION PUMP RELATIVELY TO ITS X RAY EMITTING TUBE - A medical imaging system including a support, an X-ray emitting tube, and, facing the latter, a detector, the X-ray emitting tube being intended to accept displacements relatively to at least one portion of the support, the system also including a remote piece of equipment providing circulation of an oil intended to provide cooling and electric insulation of the X-ray emitting tube on the one hand, pipes in which said oil circulates, connecting the remote piece of equipment and the X-ray emitting tube, and a device for dehydrating the oil on the other hand, wherein the dehydration device includes means positioned in the circuit through which the oil flows during normal use of said imaging system and which provide or maintain dehydration of said oil during this use. | 10-01-2009 |
| 20090252298 | RADIATION GENERATOR - A radiation generator comprising a protective tube housing, cooling liquid and a radiation generating tube, wherein the radiation generating tube is disposed in the protective tube housing filled with the cooling liquid, characterized in that at least one flow channel is integrally molded on the protective tube housing for a cooling medium ducted via an inlet and outlet pipe and serving to cool the interior of the housing. | 10-08-2009 |
| 20090274277 | X-Ray Sources - An anode for an X-ray source is formed in two parts, a main part and a collimating part. The main part has the target region formed on it. The two parts between them define an electron aperture through which electrons pass to reach the target region, and an X-ray aperture through which the X-rays produced at the target leave the anode. The anode produces at least the first stage of collimation of the X-ray beam produced. | 11-05-2009 |
| 20100008471 | X-Ray Sources - The present invention is directed to an anode for an X-ray tube. The X-ray tube has an electron aperture through which electrons emitted from an electron source travel subject to substantially no electrical field and a target in a non-parallel relationship to the electron aperture and arranged to produce X-rays when electrons are incident upon a first side of the target, wherein the target further comprises a cooling channel located on a second side of the target. The cooling channel comprises a conduit having coolant contained therein. The coolant is at least one of water, oil, or refrigerant. | 01-14-2010 |
| 20100074411 | X-Ray Tube Window - In one example embodiment, an x-ray transmissive window includes an inner surface and an outer surface. An x-ray beam emitted by the x-ray system defines a beam path area on the inner surface of the window and a beam path area on the outer surface of the window. The inner surface is arranged for contact with cooling fluid of the x-ray system and is configured to prevent bubbles present in the cooling fluid from accumulating on the inner surface in the beam path area of the inner surface. The outer surface is configured to prevent fluid droplets from accumulating on the outer surface in the beam path area of the outer surface. | 03-25-2010 |
| 20110007877 | 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 outer surface of the center shaft and the inner surface of the mount. The x-ray tube further includes a flow diverter positioned in the cavity, the flow diverter having a wall with an inner surface, and a plurality of jets passing through the wall, wherein the plurality of jets are configured such that when a fluid is flowed into the flow diverter and passes along its inner surface, a portion of the fluid passes through the plurality of jets and is directed toward the inner surface of the center shaft. | 01-13-2011 |
| 20110038464 | X-RAY RADIATOR - An x-ray radiator has an x-ray tube with a vacuum housing arranged in a radiator housing in which a coolant circulates. The vacuum housing has a porous coating, at least at parts thereof, on surfaces facing the coolant. The heat transfer between the vacuum housing and the coolant is thereby improved, such that the x-ray radiator can be more highly thermally loaded. | 02-17-2011 |
| 20110222665 | X-Ray Tubes - An X-ray tube is produced by forming a first housing section | 09-15-2011 |
| 20110255669 | THIN WALLED TUBE RADIATOR FOR BREMSSTRAHLUNG AT HIGH ELECTRON BEAM INTENSITIES - Methods and systems for generating bremsstrahlung with enhanced photon flux in a narrow cone at forward angles utilize a thin target of a high-Z material such as gold as radiator, supported on a tube of a low-Z material such as titanium, which tube contains a circulating fluid such as water which acts as a coolant and also may absorb the incident electron beam. | 10-20-2011 |
| 20120014509 | LIQUID METAL CONTAINMENT IN AN X-RAY TUBE - Liquid metal containment in an x-ray tube. In one example embodiment, an x-ray tube anode assembly includes a stationary shaft terminated by a head and an anode connected to an anode hub. The anode hub is at least partially surrounding the head of the stationary shaft. The anode hub defines a hub opening through which the stationary shaft extends. The anode hub is configured to contain a volume of a liquid metal and to rotate around the stationary shaft. The anode hub also defines a catch space within the anode hub that is configured to catch the liquid metal in order to contain the liquid metal within the hub regardless of the orientation of the x-ray tube anode assembly. | 01-19-2012 |
| 20120014510 | X-Ray Tube Anodes - An anode for an X-ray tube includes at least one thermally conductive anode segment in contact with a rigid support member and cooling means arranged to cool the anode. The anode may further include a plurality of anode segments aligned end to end, each in contact with the support member. | 01-19-2012 |
| 20120076278 | INTEGRAL LIQUID-COOLANT PASSAGEWAYS IN AN X-RAY TUBE - Integral liquid-coolant passageways in an x-ray tube. In one example embodiment, an x-ray tube includes a can at least partially defining an evacuated enclosure, a cathode at least partially positioned within the evacuated enclosure, and an anode at least partially positioned within the evacuated enclosure. The can has first integral liquid-coolant passageways formed therein. The can is configured to have a liquid coolant circulated through the first integral liquid-coolant passageways to thereby cool the can without the can being submersed in a liquid coolant. | 03-29-2012 |
| 20120328081 | X-RAY TUBE - An X-ray tube comprises a containment element ( | 12-27-2012 |
| 20130182826 | RADIATION GENERATING APPARATUS AND RADIOGRAPHIC APPARATUS - Radiation generating apparatus includes an envelope and a radiation tube disposed inside the envelop. A cooler is connected to the envelope at an inlet port and an outlet port. Coolant circulates between the cooler and the envelope through the inlet port and outlet port. A partition plate divides the inside of the envelope into a first chamber on the side of the radiation tube and a second chamber on the side of the inlet port. An air bubble chamber provided at an upper portion of the second chamber collects air bubbles formed in the coolant. A protrusion projecting toward the second chamber is provided at an end of the partition plate on the side of the opening. Since the air bubbles are moved due to buoyancy force or inertial force when the apparatus is rotated, it is possible to prevent radiation from passing through the air bubbles. | 07-18-2013 |
| 20130287177 | METHOD AND APPARATUS FOR TRANSMISSION OF FLUORESCENCE X-RAY RADIATION USING A MULTILAYER X-RAY TARGET - The present invention pertains to a method and apparatus for generating a beam of charged particles, accelerating the charged particles toward a first side of a layer of X-ray target material configured to emit Bremsstrahlung radiation through a second side, receiving the Bremsstrahlung radiation on a first face of an additional layer of a different X-ray target material configured to emit characteristic fluorescence X-rays with energy above 20 keV through a second face, wherein the additional layer of X-ray target material is located within 3 mm of the second side of the first layer of material. The first X-ray target material can have an atomic number greater than 21. | 10-31-2013 |
| 20130336462 | COOLING STRUCTURE FOR OPEN X-RAY SOURCE, AND OPEN X-RAY SOURCE - An aperture cooling structure (a cooling structure used for the open X-ray source) | 12-19-2013 |
| 20140050305 | RADIATION DEVICE INSTALLATION HOUSING AND X-RAY GENERATOR - Embodiments include an X-ray generator including a radiation device installation housing and an X-ray generator. In various embodiments, the radiation device installation housing comprises a housing body, a flange fixedly provided on an inner wall of the housing body and shaped in circular and a compensation device fixedly or movably connected with the flange in a liquid tight manner; a liquid receiving cavity for receiving an insulating liquid formed between one side of two opposite sides of the compensation device and the inner wall of the housing body as well as the flange; a compensation device moving space formed between another side of the two opposite sides of the compensation device opposed to the inner wall of the housing body and an inner wall of the flange. | 02-20-2014 |
| 20140140486 | RADIATION GENERATING APPARATUS AND RADIATION IMAGING APPARATUS - A radiation generating apparatus of the present invention includes an envelope | 05-22-2014 |
| 20140270089 | SYSTEM AND METHOD FOR SERVICING X-RAY TUBES IN SITU - Systems and methods for replacing coolant of an x-ray tube assembly having a closed cooling system include a service port that is operatively installed in the cooling system and a vacuum assisted service kit that is operatively coupled to the service port. Used coolant is drained from the x-ray tube assembly, and thereafter a vacuum is drawn on the x-ray tube assembly via the service kit. Replacement coolant within a vacuum tank of the service kit is degassed under a vacuum. The degassed replacement coolant is provided into the cooling system from the vacuum tank, preferably by pushing under pressure with an inert gas to prevent the introduction of any air into the replacement coolant. The replacement coolant may be pressurized in the cooling system with the inert gas. Thereafter, the service port is closed, and the service kit may be disconnected from the service port. | 09-18-2014 |
| 378142000 | With solid heat conductor or shield | 10 |
| 20090080617 | APERTURE SHIELD INCORPORATING REFRACTORY MATERIALS - An x-ray tube electron shield is disclosed for interposition between an electron emitter and an anode configured to receive the emitted electrons. The electron shield is configured to withstand the elevated levels of heat produced by electrons backscattered from the anode and incident on the electron shield. This in turn equates to a reduced incidence of failure in the electron shield. In one embodiment the electron shield includes a body that defines a bowl-shaped aperture having a narrowed throat segment. The body of the electron shield includes a first body portion, a second body portion, and a disk portion. These portions cooperate to define the bowl and the throat segment. The throat segment and the lower portion of the bowl are composed of a refractory material and correspond with the regions of the electron shield that are impacted by relatively more backscattered electrons from the anode surface. | 03-26-2009 |
| 20100111259 | MEDICAL DIAGNOSTIC X-RAY APPARATUS PROVIDED WITH A COOLING DEVICE - The invention relates to a medical diagnostic X-rayapparatus ( | 05-06-2010 |
| 20100278309 | SCATTERED ELECTRON COLLECTOR - Scattered electron collector comprising a heat absorbing member having a first end, a second end, an outer periphery and a central bore ( | 11-04-2010 |
| 20140321620 | X-RAY TUBE AND ANODE TARGET - According to one embodiment, an X-ray tube including an electron emission source which emits an electron, an anode target which comprises a target layer emitting an X-ray by the electron from the electron emission source, and a substrate supporting the target layer and composed from a carbide-strengthened molybdenum alloy, an evacuated outer surrounding envelope which contains the electron emission source and the anode target, a diffusion barrier layer which is integrally formed with the substrate by a powder metallurgy method on a part of a top surface of the substrate and is composed of a high-melting-point metal lacking of carbon-element content compared with carbon-element content in the substrate, and a thermal radiation film which is formed on at least a part of a top surface of the diffusion barrier layer and composed of metallic oxide. | 10-30-2014 |
| 20150036804 | PORTABLE X-RAY ANALYZER HAVING VIBRATION, THERMAL AND/OR MOISTURE ISOLATION FROM EXTERIOR ENVIRONMENT - A handheld x-ray analyzer, having an outer shell forming an inner cavity, the outer shell having at least one aperture; an x-ray engine positioned within the cavity; and a generally planar heat sink rigidly and thermally attached to the x-ray engine, and positioned in the aperture of the outer shell thereby substantially filling the aperture while providing thermal conduction between the engine and surrounding air. An outer face of the heat sink may be substantially conformal with the outer shell along one or both sides of the analyzer, and form a substantial portion of one or both sides of the analyzer. Longitudinal fins may be placed on an outer face of the heat sink to aid in thermal conduction from the engine to the surrounding air. Thermal handling, shock/vibration isolation, and moisture barriers are provided. | 02-05-2015 |
| 20150078533 | Cooled Stationary Anode for an X-Ray Tube - An X-ray tube | 03-19-2015 |
| 20150098552 | MODULAR X-RAY SOURCE - A modular x-ray source in which the x-ray tube is removably attached to a case and power supply by a removable cap. | 04-09-2015 |
| 20150325400 | Two-Part high voltage vacuum feed through for an electron tube - A high voltage vacuum feed through ( | 11-12-2015 |
| 20150364288 | RADIATION GENERATING APPARATUS - A radiation generating apparatus includes a target base, a target, an electronic beam generating device, a tube, a tank, and a porous structure. The target is disposed on the target base. The electronic beam generating device is adapted to generate an electronic beam, and the electronic beam is emitted to the target to generate a radiation. The tube accommodates the target and the electronic beam generating device. The tank is connected to the target base and accommodates the tube. The porous structure is roundly disposed between the tank and the tube and contacts an inner wall of the tank and an outer wall of the tube. A cooling fluid flows through the porous structure to dissipate the heat of the porous structure. | 12-17-2015 |
| 20150364289 | RADIATION GENERATING APPARATUS - A radiation generating apparatus includes a target base, a target, an electronic beam generating device, a tube, a tank, and a porous structure. The target is disposed on the target base. The electronic beam generating device is adapted to generate an electronic beam, and the electronic beam is emitted to the target to generate a radiation. The tube accommodates the target and the electronic beam generating device. The tank is connected to the target base and is accommodated by the tube. The porous structure is disposed in the tank and contacts the target base. A cooling fluid flows through the porous structure to dissipate the heat of the porous structure. | 12-17-2015 |
