Patents Examined by Erwin J Wunderlich
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Patent number: 11964340Abstract: A device for fabricating a quartz microfluidic chip by a femtosecond pulse cluster. The device includes: a femtosecond pulse cluster laser source configured to output a femtosecond pulse cluster; a beam splitting and interference system, configured to split the femtosecond pulse cluster into a plurality of parts, and to converge split parts to form a femtosecond pulse cluster plasma or a femtosecond pulse cluster plasma grating; a sample system configured to move the electronic displacement platform where a quartz glass is placed to control a position where the parts of the femtosecond pulse cluster are converged on the quartz glass; and a hydrofluoric acid immersion system configured to immerse the quartz glass in a diluent hydrofluoric acid solution to remove an ablated part of the quartz glass to form the quartz microfluidic chip.Type: GrantFiled: November 17, 2021Date of Patent: April 23, 2024Assignees: CHONGQING INSTITUTE OF EAST CHINA NORMAL UNIVERSITY, ROI OPTOELECTRONICS TECHNOLOGY CO, LTD., EAST CHINA NORMAL UNIVERSITYInventors: Heping Zeng, Junyi Nan, Mengyun Hu
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Patent number: 11951525Abstract: For producing a welded ring, a band of a length corresponding to the circumference of the ring is bent into a ring and its two ends are welded together. The band ends to be welded together have an offset in the circumferential direction of the ring, the offset lying in the plane of the band. The welding is performed from both lateral edges of the ring, from the outside to the inside up to the offset. Welding having an overall improved welding quality and a higher tensile strength is thus obtained.Type: GrantFiled: March 9, 2017Date of Patent: April 9, 2024Assignee: OETIKER SCHWEIZ AGInventors: Stefan Miessmer, Andreas Vetter
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Patent number: 11956864Abstract: Disclosed is a heating device comprising a heating resistor, and a heat sink thermally coupled to the heating resistor, wherein the heat sink comprises corrugated fins that are skived fins integral to the heat sink. Also disclosed is a method for producing a heating rod.Type: GrantFiled: March 20, 2020Date of Patent: April 9, 2024Inventors: Cian McCarthy, Kevin Dukes, Ivan Morris
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Patent number: 11904409Abstract: Additive manufacturing system includes one or more processors configured to determine one or more geometrical characteristics of each of multiple segments of a build part at a candidate position of the build part relative to an additive manufacturing instrument. The geometrical characteristics include an angle of incidence between a beam line extending from a beam emitter and a surface normal of a respective skin of the corresponding segment proximate to the beam line. The one or more processors select, based on the determined geometrical characteristics, a first set of beam parameters for forming a first segment of the build part and a second set of beam parameters for forming a second segment of the build part. At least one of the beam parameters in the second set differs from the beam parameters in the first set.Type: GrantFiled: April 21, 2020Date of Patent: February 20, 2024Assignee: THE BOEING COMPANYInventors: Eric M. Chapman, Dana A. Henshaw
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Patent number: 11897053Abstract: Provided is a joining structure capable of simplifying the manufacturing process and having high corrosion resistance. A joining structure has a welded part for connecting joined members made of a metal that forms a passive film. An outermost surface portion of the welded part has a pitting potential. The welded part may include a welded part main body formed inside and a surface-modified layer formed in contact with the welded part main body, and the surface-modified layer may include the outermost surface portion having a pitting potential.Type: GrantFiled: October 22, 2020Date of Patent: February 13, 2024Assignee: DENSO CORPORATIONInventors: Yuuya Takahashi, Syusuke Ootsuki, Tomohiro Shimizu, Sumera Shimizu
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Patent number: 11883913Abstract: Some examples of the present disclosure relate to a cover cap for a welding torch. The cover cap is attached to a housing of the welding torch and rotatable between a closed position, where the cover cap covers an access port of the welding torch, and an open position, where the cover cap does not cover the access port. The welding torch may have welding components within the handle that may be accessed through the access port when the cover cap is in the open position. A cap holder may be used to hold the cover cap in the open position.Type: GrantFiled: February 27, 2018Date of Patent: January 30, 2024Assignee: ILLINOIS TOOL WORKS INCInventor: Craig Matthew Bondy
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Patent number: 11856661Abstract: A heating element includes a flexible substrate, a layer of adhesive disposed on a surface of the substrate, and a continuous strand of electrically conductive wire disposed on the adhesive in a pattern of coil structures. Each coil structure includes a first coiled part and a second coiled part. The wire in the first coiled part forms a counterclockwise pattern from an outermost turn to an innermost turn of the first coiled part, and the second coiled part has an innermost turn beginning at an end of the innermost turn of the first coiled part. The wire in the second coiled part forms a clockwise pattern from the innermost turn of the second coiled part to an outermost turn. A connector segment of wire connects outermost turns of adjacent ones of the coil structures.Type: GrantFiled: February 24, 2021Date of Patent: December 26, 2023Assignee: AUTOMATED ASSEMBLY CORPORATIONInventors: David Neuman, Pat Connolly, Brian Backes
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Patent number: 11845145Abstract: An end effector for a laser machine tool is configured to direct a laser beam onto a working surface along an optical axis of propagation of the laser beam. The end effector includes a supporting body having a duct with an axis parallel to at least one portion of the optical axis of propagation of the laser beam, and a further duct configured to be coupled to the supporting body and to provide an outlet for the laser beam.Type: GrantFiled: April 19, 2021Date of Patent: December 19, 2023Assignee: Prima Industrie S.p.A.Inventors: Enrico Pisanu, Silvio Parise
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Patent number: 11839993Abstract: Discussed is an apparatus for notching an electrode sheet, the apparatus including a transfer unit having first and second transfer rollers provided on a bottom surface of the electrode sheet to transfer the electrode sheet at regular intervals, a jig unit provided below the electrode sheet, and supporting the bottom surface of the non-coating portion and a notching unit provided above the electrode sheet to notch the non-coating portion supported on the jig unit to provide the electrode tab, wherein the jig unit includes a rotation member provided between the first and second transfer rollers and rotated in a direction perpendicular to a transfer direction of the electrode sheet, two or more jigs provided on an outer circumferential surface of the rotation member to alternately support the non-coating portion disposed between the first and second transfer rollers when the rotation member is rotated.Type: GrantFiled: March 15, 2022Date of Patent: December 12, 2023Assignee: LG ENERGY SOLUTION, LTD.Inventors: Dong Hoon Kwak, Hyun Kyu Eom, Yang Ho Shin
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Patent number: 11826851Abstract: A laser machining device comprises a movable stage which is controlled by a stage controller. A laser produces a beam for machining and the beam is scanned over the part using a laser scanner under control of the laser scanner. The scanner controller controls the stage controller to synchronize movements of the stage with movements of the scanner. The stage may carry the part to be machined or the scanner.Type: GrantFiled: June 26, 2017Date of Patent: November 28, 2023Assignees: ACS Motion Control Ltd., SCANLAB GmbHInventors: Boaz Kramer, Ze'ev Kirshenboim, Alexander Markus Dötlinger
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Patent number: 11806808Abstract: A method for butt laser welding two metal sheets includes providing a first metal sheet and a second metal sheet and butt welding the metal sheets along a direction of welding. The butt welding step includes simultaneously generating a first front keyhole in the first metal sheet, generating a second front keyhole in the second metal sheet, and generating a back keyhole in the first and second metal sheets. The first and second front laser beams and the back laser beam are configured in such a manner that at each moment in time, a solid phase region and/or a liquid phase region of the metal sheets remains between the first front keyhole and the back keyhole and between the second front keyhole and the back keyhole.Type: GrantFiled: December 19, 2018Date of Patent: November 7, 2023Assignee: ARCELORMITTALInventor: René Vierstraete
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Patent number: 11802714Abstract: An exhaust manifold for an additive manufacturing system includes a manifold housing, at least one baffle movable relative to the manifold housing configured to modify an exhaust flow area defined in part by the at least one baffle, and an actuator operatively connected to the at least one baffle configured to move the at least one baffle. The manifold housing defines a housing channel. The at least one baffle can be one or more moveable baffles at least partially disposed within the housing channel and configured to move relative to the housing to modify a respective exhaust flow area of a respective baffle of the one or more moveable baffles. The actuator is operatively connected to each of the one or more movable baffles and configured to move the one or more movable baffles relative to the housing.Type: GrantFiled: May 31, 2019Date of Patent: October 31, 2023Assignee: Hamilton Sundstrand CorporationInventors: Lawrence Binek, Zachary Ryan Gibbons
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Patent number: 11804807Abstract: An RF generation system is provided for an electromagnetic cooking device having a cavity. The system includes: a signal generator for generating an input RF signal; an RF feed configured to introduce electromagnetic radiation into the cavity and to receive reflected electromagnetic radiation from the cavity; and a high-power amplifier coupled between the signal generator and the RF feed. The high-power amplifier including an amplifying stage configured to output a signal that is amplified in power, and a circulator for directing the amplified output signal to the RF feed and for redirecting any reflected radiation received from the RF feed to a dummy load. The system further includes a hardware protection component for detecting backward power in the reflected radiation and for reducing power supplied to the amplifying stage if the backward power exceeds a power threshold within a time scale that prevents damage to the circulator.Type: GrantFiled: December 30, 2016Date of Patent: October 31, 2023Assignee: Whirlpool Corporation Panasonic Holdings CorporationInventors: Franco Brindani, Natalia Roumpedaki
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Patent number: 11766751Abstract: Provided is a laser machine which achieves an enhanced durability against laser beam irradiation. A workpiece transfer device for carrying a workpiece into and out of a workpiece machining chamber, has a turntable device and a partition wall. The partition wall is secured to the top surface of the turntable device, partitioning the top surface of the turntable device into a plurality of workpiece mounting tables on which workpieces can be mounted. The partition wall has: a first plate forming one surface of the partition wall and formed of aluminum alloy; a second plate forming the other surface of the partition wall and formed of aluminum alloy; and a frame for securing the first plate and the second plate in a spaced apart relationship.Type: GrantFiled: April 18, 2018Date of Patent: September 26, 2023Assignee: KOMATSU INDUSTRIES CORPORATIONInventors: Youichirou Shimizu, Takayuki Saisu
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Patent number: 11759054Abstract: An electric deep cooker including a main body and cover adapted to fully enclose food therein that includes a plurality of main electric heating elements connected along the interior surfaces of the main body and cover and are adapted to uniformly heat and cook food through its entire outer surface from the outside in, and further includes an electric interior heating element attached to the cover and adapted to be placed within the food being cooked and thereby heat and cook the food from the inside out while the plurality of main heating elements heat and cook the food from the outside in, to thereby uniformly and properly heat and cook the food, and in a shorter amount of time, than prior art electric deep cookers, and without the need to rotate the food within the main body of the electric deep cooker.Type: GrantFiled: January 5, 2021Date of Patent: September 19, 2023Inventor: Brandon Eli Lev
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Patent number: 11752571Abstract: A coherent beam coupled laser diode array includes an array of laser diodes. Each diode emits a beam propagating along a beam path. An array of collimation optics is included. Each of the collimation optics collimates one beam. A first lenslet array is included. Each lenslet refracts a portion of one beam and a portion of a different beam from the array. A partially reflecting mirror is included. A first portion of each beam propagates through the partially reflecting mirror and a second portion of each beam is reflected back toward the first lenslet array. The second portion of each beam reflected propagates back through the first lenslet array and the collimation optics and into one of the diodes in the array of laser diodes, thereby creating an optical cross coupling. A second lenslet array collimates each beam propagating through each lenslet to form a single laser beam.Type: GrantFiled: June 8, 2020Date of Patent: September 12, 2023Assignee: LEONARDO ELECTRONICS US INC.Inventors: Connor Magness, Prabhuram Thiagarajan, Jason Helmrich
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Patent number: 11697175Abstract: The invention relates to an apparatus 100, 200, 300, 700 and a method 400 for machining a workpiece 101 with a laser beam 102. The apparatus 100, 200, 300, 700 comprises a machining unit 103 configured to provide a pressurized fluid jet 104 onto the workpiece 101 and to couple the laser beam 102 through at least one optical element 105 into the fluid jet 104 towards the workpiece 101. Further, it comprises a sensing unit 107 arranged to receive a laser-induced electromagnetic radiation 106 propagating away from the workpiece 101 through the fluid jet 104 and through at least one optical element, and configured to convert the received radiation 106 into a signal 108. The apparatus 100, 200, 300, 700 also comprises a signal processing unit 109 configured determine a state of machining the workpiece 101 based on the signal 108.Type: GrantFiled: October 4, 2018Date of Patent: July 11, 2023Assignee: SYNOVA S.A.Inventors: David Hippert, Grégoire Laporte, Maximilian Epple, Helgi Diehl, Bernold Richerzhagen
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Patent number: 11691225Abstract: Laser cutting on a plated steel sheet is executed by cutting the plated steel sheet by irradiating the plated steel sheet covered with a plate metal with laser light at a wavelength in a 1 micrometer band; and emitting assist gas onto a cut surface of the plated steel sheet, the cut surface being formed in the step of cutting, to make the plate metal fused by irradiation of the laser light flow to the cut surface so as to cover the cut surface with the plate metal.Type: GrantFiled: October 2, 2018Date of Patent: July 4, 2023Assignee: AMADA HOLDINGS CO., LTD.Inventors: Hideo Hara, Masanori Uehara
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Patent number: 11679448Abstract: The disclosure relates to a beam-forming unit for forming a laser beam and focusing the laser beam onto a workpiece. The unit includes a movable component, an immovable component, and a cooling system configured for movement of a cooling medium to actively cool the movable component. The cooling system has-a cooling water circuit on the immovable component configured for water cooling of both the immovable component and the cooling medium.Type: GrantFiled: December 17, 2019Date of Patent: June 20, 2023Assignee: TRUMPF Werkzeugmaschinen SE + Co. KGInventors: Jens Braun, Björn Luong
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Patent number: 11666988Abstract: An additive manufacturing machine includes a laser light source, a beam entry window, a recoater, a plurality of light sources attached to the recoater, a photosensor, and a controller. The laser light source emits laser light to selectively melt one or more portions of a working layer of a powder bed during additive manufacturing of a part. The beam entry window is positioned between the powder bed and the laser light source. The recoater moves across the powder bed to spread the working layer. The photo sensor senses intensity of light emitted by each of the plurality of light sources through the beam entry window. The controller correlates sensed intensity of the light emitted by each of the plurality of light sources through the beam entry window to corresponding positions on the beam entry window based on locations of each of the plurality of light sources.Type: GrantFiled: July 22, 2019Date of Patent: June 6, 2023Assignee: Hamilton Sundstrand CorporationInventor: Joshua M. Norman