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公开(公告)号：US20190040762A1
公开(公告)日：2019-02-07
申请号：US15913278
申请日：2018-03-06
Applicant: Cummins Inc.
Inventor： Nikhil Doiphode , Todd M. Wieland
Abstract: A method and system are provided for repairing a nozzle ring having a defect adjacent a transition between a ring plate and an inner skirt of the nozzle ring, comprising: forming at least one cut to detach at least one of a portion of the inner skirt, a portion of the transition, and a portion of the ring plate, thereby forming a joint surface and removing at least a portion of the defect; providing a replacement ring including replacement components for the detached at least one of a portion of the inner skirt, a portion of the transition, and a portion of the ring plate; and attaching the replacement ring to the nozzle ring at the joint surface using one of brazing or welding.
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公开(公告)号：US20220072616A1
公开(公告)日：2022-03-10
申请号：US17526909
申请日：2021-11-15
Applicant: CUMMINS INC.
Inventor： Howard S. Savage , Roger D. England , Todd M. Wieland , Rafael Hernandez Ruiz Esparza , Nikhil Doiphode , John A. Rupp
Abstract: A system includes a controller, a pretreating machine, and an additive manufacturing machine. The pretreating machine is coupled to the controller. The pretreating machine includes a pretreater structured to form an interface layer on a component. The additive manufacturing machine is coupled to the controller. The additive manufacturing machine includes a material feed and a forming beam. The material feed is configured to selectively provide a first amount of material on the interface layer. The forming beam is configured to substantially melt the first amount of material, thereby forming a first layer of a first material deposit on the interface layer.
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Patent Agency Ranking
公开(公告)号：US20200055119A1
公开(公告)日：2020-02-20
申请号：US16461093
申请日：2017-11-14
Applicant: CUMMINS INC.
Inventor： Howard S. Savage , Roger D. England , Todd M. Wieland , Rafael Hernandez Ruiz Esparza , Nikhil Doiphode , John A. Rupp
Abstract: A system includes a controller, a pretreating mahine, and an additive manufacturing machine. The pretreating machine is coupled to the controller. The pretreating machine includes a pretreater structured to form an interface layer on a component. The additive manufacturing machine is coupled to the controller. The additive manufacturing machine includes a material feed and a forming beam. The material feed is configured to selectively provide a first amount of material on the interface layer. The forming beam is configured to substantially melt the first amount of material, thereby forming a first layer of a first material deposit on the interface layer.
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公开(公告)号：US11773749B2
公开(公告)日：2023-10-03
申请号：US17672350
申请日：2022-02-15
Applicant: Cummins Inc.
Inventor： Nikhil Doiphode , Todd M. Wieland
CPC classification number: F01D25/24 , F01D17/165 , F01D25/005 , F05D2220/40 , F05D2230/232 , F05D2230/237 , F05D2230/80
Abstract: A method and system are provided for repairing a nozzle ring having a defect adjacent a transition between a ring plate and an inner skirt of the nozzle ring, comprising: forming at least one cut to detach at least one of a portion of the inner skirt, a portion of the transition, and a portion of the ring plate, thereby forming a joint surface and removing at least a portion of the defect; providing a replacement ring including replacement components for the detached at least one of a portion of the inner skirt, a portion of the transition, and a portion of the ring plate; and attaching the replacement ring to the nozzle ring at the joint surface using one of brazing or welding.
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公开(公告)号：US11603880B2
公开(公告)日：2023-03-14
申请号：US16405245
申请日：2019-05-07
Applicant: Cummins Inc.
Inventor： Hareash Nandalal Vontivilu , Erica M. Raisor , Nikhil Doiphode , Todd M. Wieland , Abhijit Namjoshi , Howard S. Savage
Abstract: A turbocharger shaft includes a connection portion at a connection with a wheel of the turbocharger. The shaft includes a stainless steel cladding at least along one or more grooves of the connection portion to reduce the risk of cold cracking and bending fatigue.
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公开(公告)号：US20220170384A1
公开(公告)日：2022-06-02
申请号：US17672350
申请日：2022-02-15
Applicant: Cummins Inc.
Inventor： Nikhil Doiphode , Todd M. Wieland
Abstract: A method and system are provided for repairing a nozzle ring having a defect adjacent a transition between a ring plate and an inner skirt of the nozzle ring, comprising: forming at least one cut to detach at least one of a portion of the inner skirt, a portion of the transition, and a portion of the ring plate, thereby forming a joint surface and removing at least a portion of the defect; providing a replacement ring including replacement components for the detached at least one of a portion of the inner skirt, a portion of the transition, and a portion of the ring plate; and attaching the replacement ring to the nozzle ring at the joint surface using one of brazing or welding.
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公开(公告)号：US11203066B2
公开(公告)日：2021-12-21
申请号：US16461093
申请日：2017-11-14
Applicant: CUMMINS INC.
Inventor： Howard S. Savage , Roger D. England , Todd M. Wieland , Rafael Hernandez Ruiz Esparza , Nikhil Doiphode , John A. Rupp
Abstract: A system includes a controller, a pretreating machine, and an additive manufacturing machine. The pretreating machine is coupled to the controller. The pretreating machine includes a pretreater structured to form an interface layer on a component. The additive manufacturing machine is coupled to the controller. The additive manufacturing machine includes a material feed and a forming beam. The material feed is configured to selectively provide a first amount of material on the interface layer. The forming beam is configured to substantially melt the first amount of material, thereby forming a first layer of a first material deposit on the interface layer.
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