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公开(公告)号：US11607774B2
公开(公告)日：2023-03-21
申请号：US15297967
申请日：2016-10-19
申请人： Cold Jet, LLC
摘要： A comminutor reduces the size of particles of frangible blast media from each particle's respective initial size to a size smaller than a desired maximum size. The frangible blast media may be entrained in a flow of transport gas. The comminutor includes an inlet and an outlet, both in fluid communication with an internal flow passageway. The internal flow passageway includes a first intermediate passageway which comprise the gap defined by two rotating rollers and a second intermediate passageway which includes an inlet disposed proximal the gap, extending in an upstream direction therefrom.
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公开(公告)号：US20220193864A1
公开(公告)日：2022-06-23
申请号：US17599604
申请日：2020-03-30
发明人： Peter GABRIS , Ivan KUBIS , L'udovít BAKALA
摘要： A device for reducing the size of dry ice granules for dry ice cleaning devices including a supply of dry ice to a device for mixing of dry ice particles with the flow of gaseous medium. The device includes a die with a set of orifices for granulate passing and a granulate pushing-through member for pushing the granulate into the die. The die is placed in a body with at least one sloped surface inclining to the inside of the body towards the die, which, the body, is connectable to a supply of dry ice granulate to a device for mixing of dry ice particles with the flow of gaseous medium in a dry ice cleaning device, where above the die a granulate pushing-through member is movably mounted. The pushing-through member includes at least one surface facing the die, where this surface forms an acute angle with the die surface, and the orifices of the die at the side of the pushing-through member are provided with a recess or shape modification of the edge of the orifice increasing the roughness of the surface of the die relative to the roughness of the surface of the pushing-through member.
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公开(公告)号：US11343918B2
公开(公告)日：2022-05-24
申请号：US16633271
申请日：2018-12-17
发明人： Shigeaki Uemura , Eiko Imazaki , Koji Nitta , Yoshio Oka , Hideki Matsuoka , Ippei Tanaka , Takayuki Yonezawa
IPC分类号： H05K1/00 , H05K1/02 , H05K1/03 , H05K1/11 , H05K1/16 , H05K3/00 , H05K3/02 , H05K3/06 , H05K3/10 , H05K3/18 , H05K3/22 , H05K3/38 , H05K3/46 , B24C1/00 , B24C1/04 , B24C3/00 , B24C3/32 , G06F3/044 , G03F7/00 , G03F7/004 , G03F7/027 , G03F7/031 , G03F7/033 , G03F7/039 , G03F7/085 , G03F7/12
摘要： A method of making a printed circuit board includes a step of providing a double-sided plate that is an insulating substrate having conductive layers on respective surfaces thereof, a first coating step of coating a first surface of the double-sided plate with a first photosensitive resin film, a second coating step of coating a second surface of the double-sided plate with a second photosensitive resin film, a first exposure step of exposing the photosensitive resin film coating the first surface after the first and second coating steps, and a second exposure step of exposing the photosensitive resin film coating the second surface after the first exposure step, wherein a maximum depth of a depression in an outermost surface of the second photosensitive resin film used in the second exposure step is less than 1.0 μm.
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公开(公告)号：US20220014078A1
公开(公告)日：2022-01-13
申请号：US17448883
申请日：2021-09-25
发明人： Juergen Peschina
摘要： A welding machine for welding free ends of bar conductors of a stator of an electrical machine, in particular an electric motor, includes a support structure for directly or indirectly fastening the stator. The support structure has a welding mask that can be opened and closed. The welding device is in particular a laser welding device. The welding device is arranged above the support structure. The support structure can be moved between a closed position and a loading position. A first side of the welding mask faces the welding device in the welding position and faces downward in the loading position. The welding machine allows free ends of bar conductors of a stator of an electrical machine to be welded while at the same time the stator is protected against contamination.
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公开(公告)号：US11148252B2
公开(公告)日：2021-10-19
申请号：US16352318
申请日：2019-03-13
申请人： Reliabotics LLC
发明人： Juan Vega , Ahsan Anwar , Alexander Michalski
摘要： A cleaning system that utilizes a dispensing head to spray carbon dioxide and a propellant against a surface. The carbon dioxide being propelled includes solid phase crystals. A supply line is used to feed the carbon dioxide to a dispensing head. Within the dispensing head, a first manifold chamber receives the carbon dioxide. A plurality of pathways link the first manifold chamber to a plurality of output nozzles. Each of the pathways contains an internal configuration that induces a formation of solid phase carbon dioxide crystals as the carbon dioxide from the supply line flows through the pathways toward the output nozzles. The propellant enters the dispensing head and flows into a second manifold chamber. The second manifold chamber has an exit opening near, or at, the output nozzles. As carbon dioxide, in both gas and solid phase, exits the output nozzles, it is accelerated by the propellant.
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公开(公告)号：US20210252730A1
公开(公告)日：2021-08-19
申请号：US17313712
申请日：2021-05-06
申请人： Thierry Rozot
发明人： Thierry Rozot
IPC分类号： B26D7/01 , B23K7/00 , B23K7/10 , B23K7/06 , B23K37/08 , B23K37/02 , B23K26/38 , B23K28/02 , B23P23/02 , B24B9/04 , B24C1/00 , B26F3/00
摘要： Systems and methods suitable for shaping and cutting materials. Such a system includes first and second carriage units that are independently operable to travel in a travel direction parallel to a longitudinal axis of a table supporting the material. The first and second carriage units have first and second arms, respectively. A cutting device coupled to the first arm forms a slit in the material, and a deburring device coupled to the second arm forcibly removes burrs from the slit. The deburring device is behind the cutting device relative to the travel direction and forcibly removes burrs in the travel direction toward a breakthrough point of the slit. The second carriage unit oscillates parallel to the travel direction so that the deburring device moves toward and away from the breakthrough point of the slit to remove burrs at the breakthrough point.
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公开(公告)号：US20200338690A1
公开(公告)日：2020-10-29
申请号：US16393293
申请日：2019-04-24
摘要： Methods of cleaning flow path components of power systems, and sump purge kits used in the same or related methods are disclosed. A method of cleaning may include removing a casing of the turbine system to expose a rotor of the turbine system, a plurality of flow path components coupled to the rotor and/or the casing, and a sump system in communication with the rotor. The method may also include pressurizing the sump system in communication with the rotor, and sealing a plurality of openings formed in the rotor. Additionally, the method may include exposing the rotor and the plurality of flow path components to steam to dry hydrocarbons formed on a surface of the rotor and a surface of the plurality of flow path components, and blasting the rotor and the plurality of flow path components with solid carbon dioxide (CO2) to dislodge the dried hydrocarbons.
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公开(公告)号：US20200282517A1
公开(公告)日：2020-09-10
申请号：US16819035
申请日：2020-03-13
发明人： Christopher SULLIVAN
摘要： Reduced noise abrasive blasting assemblies and systems are described. The new assemblies and systems are comprised of standard blast hose, accelerator hose, couplings and nozzle. The improved abrasive blasting system maintains abrasive particle velocity while decreasing the exit gas velocity and consequently decreasing sound production. This is accomplished through an acceleration section with reduced inner diameter and sufficient length to provide the necessary abrasive particle velocity. The new system maintains the productivity and efficiency of conventional abrasive blasting systems but with greatly reduced acoustic noise production and reduces operator fatigue due to the lower weight of the carried portion of the system.
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公开(公告)号：US10758968B2
公开(公告)日：2020-09-01
申请号：US15750661
申请日：2015-08-11
发明人： Keiji Mase , Shozo Ishibashi , Yusuke Kondo
摘要： A method of treating a surface of a mold. The method includes forming dimples on a surface of a mold by ejecting substantially spherical ejection-particles so as to bombard the surface of the mold. The dimples are formed so as to satisfy a condition defined by the following formula: 1+3.3e−H/230≤W≤3+13.4e−H/1060 wherein W is an equivalent diameter (μm) of the dimples and H is a base metal hardness (Hv) of the mold.
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10.发明授权公开(公告)号：US10710212B2
公开(公告)日：2020-07-14
申请号：US15798158
申请日：2017-10-30
申请人： Delavan Inc.
摘要： A method of altering an additively manufactured part can include orienting a surface of the additively manufactured part toward a rotational center that may be independent of a rotational axis defined by the additively manufactured part, flowing an abrasive media past the surface, rotating the additively manufacturing part about the rotational center; urging abrasive particles in the abrasive media past the surface abrasive media to impinge the surface with centrifugal force generated by the rotating, and improving surface finish of the surface.
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