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公开(公告)号：US20230125432A1
公开(公告)日：2023-04-27
申请号：US17974331
申请日：2022-10-26
发明人： Charles Lee , Jedediah Styron
摘要： Systems, devices, and methods for converting a raw neutron beam to a specified deliverable format having a targeted energy range, size, and direction are described. Embodiments of a neutron beam converter can include numerous regions based on location, function, dimension, and/or constituent material. The regions can include a central region, an intermediate region, a peripheral region, and a frontal region. Materials are also described.
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公开(公告)号：US11624800B1
公开(公告)日：2023-04-11
申请号：US17501093
申请日：2021-10-14
发明人： William Folwell Barton , Kenneth Edgar Hild, II , Ramya Gopalan , Kavitha Velusamy , Amit Singh Chhetri
摘要： The systems, devices, and processes described herein may identify a beam of a voice-controlled device that is directed toward a reflective surface, such as a wall. The beams may be created by a beamformer. An acoustic echo canceller (AEC) may create filter coefficients for a reference sound. The filter coefficients may be analyzed to identify beams that include multiple peaks. The multiple peaks may indicate presence of one or more reflective surfaces. Using the amplitude and the time delay between the peaks, the device may determine that it is close to a reflective surface in a direction of the beam.
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公开(公告)号：US11612048B2
公开(公告)日：2023-03-21
申请号：US17130190
申请日：2020-12-22
发明人： Ross Radel , Tye Gribb
摘要： Provided herein are systems, devices, articles of manufacture, and methods for generating neutrons employing a high energy ion beam target (HEIB target) and a target backing configured to be in contact with the bottom surface of the HEIB target (e.g., to generate an ion beam target assembly). In certain embodiments, the HEIB target has a thickness that is less than the penetration depth of protons or deuterons in the high energy ion beam that strikes the target. In certain embodiments, the target backing comprises a high hydrogen diffusion metal (e.g., palladium), has open spaces dispersed throughout for reduced proton diffusion distances, and has a shape and thickness such that all, or virtually all, of the protons or deuterons that pass through the HEIB target are stopped. Also provided herein are systems, devices, and methods for changing targets in an ion beam accelerator system.
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公开(公告)号：US11373767B2
公开(公告)日：2022-06-28
申请号：US16889008
申请日：2020-06-01
摘要： A breech-loading neutron gun providing neutrons to stimulate the release of energy from nuclear materials in a containment vessel in a regulated fashion includes a chamber among a plurality of chambers located in a breech where one or more of the plurality of chambers are configured and arranged to load with a neutron source, and a mechanism for controllably moving the breech or the chamber relative to an access cavity of the containment vessel and exposing the nuclear materials to neutrons from the chamber when the chamber containing the neutron source aligns with the access cavity.
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公开(公告)号：US20210405227A1
公开(公告)日：2021-12-30
申请号：US17468883
申请日：2021-09-08
发明人： Ross Radel , Evan Sengbusch , Michael Taylor , Christopher M. Seyfert , Eli Moll , Lucas Jacobson
摘要： Provided herein are neutron imaging systems (e.g., radiography and tomography) systems and methods that provide, for example, high-quality, high throughput 2D and 3D fast or thermal neutron and/or X-ray images. Such systems and methods find use for the commercial-scale imaging of industrial components. In certain embodiments, provided herein are system comprising a plurality of independent neutron absorber-lined collimators (e.g., 4 or more collimators) extending outwards from a central neutron source assembly.
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公开(公告)号：US20210378083A1
公开(公告)日：2021-12-02
申请号：US16889008
申请日：2020-06-01
摘要： A breech-loading neutron gun (12A) providing neutrons to stimulate the release of energy from nuclear materials (18) in a containment vessel (14) in a regulated fashion includes a chamber (34A) among a plurality of chambers (34A-D) located in a breech (32) where one or more of the plurality of chambers are configured and arranged to load with a neutron source (58), and a mechanism for controllably moving the breech or the chamber relative to an access cavity (16A) of the containment vessel and exposing the nuclear materials to neutrons from the chamber when the chamber containing the neutron source aligns with the access cavity.
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公开(公告)号：US11189389B2
公开(公告)日：2021-11-30
申请号：US16692121
申请日：2019-11-22
IPC分类号： G21G4/02 , H05H3/06 , G01V5/10 , H01J35/04 , H01J35/14 , H01J35/00 , H05G1/10 , H05G1/02 , H05G1/00
摘要： Disclosed is a radiation logging tool, comprising a tool housing; a compact generator that produces radiation; a power supply coupled to the compact generator; and control circuitry. Embodiments of the compact generator comprise a generator vacuum tube comprising a source generating charged particles, and a target onto which the charged particles are directed; and a high voltage supply comprising a high voltage multiplier ladder located laterally adjacent to the generator vacuum tube. The high voltage supply applies a high voltage between the source and the target to accelerate the charged particles to a predetermined energy level. The compact generator also includes an electrical coupling between an output of the high voltage supply and the target of the generator vacuum tube to accommodate the collocated positions of the generator vacuum tube and the high voltage power supply.
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公开(公告)号：US11166362B2
公开(公告)日：2021-11-02
申请号：US16790051
申请日：2020-02-13
申请人： Lanzhou University
发明人： Zhanwen Ma , Ze'en Yao , Yu Zhang , Zhiwu Huang , Junrun Wang , Xiaolong Lu , Zheng Wei
摘要： The present invention discloses a compact integrated deuterium-deuterium (D-D) neutron generator. A hemispherical metal head is disposed inside a cylindrical ceramic shell of the generator and is provided therein with an ion source and an ion source power supply. An inner ceramic insulated cylinder and an outer ceramic insulated cylinder are disposed between a metal plate of the metal head and a baseplate of the generator, and an isolated power supply system and a high-voltage power supply are disposed between the inner ceramic insulated cylinder and the outer ceramic insulated cylinder. A rear end of an extraction accelerating electrode disposed inside the inner ceramic insulated cylinder protrudes from the generator and is then connected to a target holder disposed outside the baseplate. A target is disposed inside the target holder, the target is at ground potential, and a cooling water interface is disposed on the target holder.
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公开(公告)号：US20210315090A1
公开(公告)日：2021-10-07
申请号：US17277629
申请日：2019-03-12
申请人： ENEA - Agenzia Nazionale per le Nuove Tecnologie, I'Energia e lo Sviluppo Economico Sostenibile
发明人： Pietro AGOSTINI
摘要： Apparatus (1) for generating neutrons comprising a hollow casing (2) having a central axis (A) and configured for rotating about said central axis (A), said hollow casing (A) comprising a wall (3) having a central region (3a), substantially at the central axis (A) and a peripheral region (3b) external to said central region (3a), said wall (3) defining a cavity (4), said cavity (4) being configured for containing a first coolant fluid; an active layer (6) positioned at least partially on said peripheral region (3b) externally to said cavity (4), said active layer (6) being configured for realizing a neutron-generating reaction; at least a particle accelerator (7) configured for directing a ion beam on said active layer (6) for activating said reaction; movement means (8) configured for rotating said hollow casing (2) about said central axis (A) forcing said first coolant fluid to lightly touch internally said wall (3) at said active layer (6) for cooling said hollow casing (2); external cooling means (9) configured for externally cooling the hollow casing (2), said external cooling means (9) comprising a second coolant fluid lightly touching externally at least partially said wall (3). Said hollow casing (2) is sealed with respect to an external environment for retaining said first coolant fluid inside said cavity (4).
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公开(公告)号：US11109476B2
公开(公告)日：2021-08-31
申请号：US16996379
申请日：2020-08-18
发明人： Yen-Wan Hsueh Liu , Zhen-Fan You , Sheng Yang , Jyi-Tyan Yeh
摘要： A filter is provided. The filter includes a mixed layer. The mixed layer includes aluminum, magnesium fluoride, and lithium fluoride. The mixed layer is composed of 1 part by volume of magnesium fluoride, 0.25 to 1 parts by volume of aluminum, and 0.003 to 0.02 parts by volume of lithium fluoride.
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