公开(公告)号：US11286877B2

公开(公告)日：2022-03-29

申请号：US16279394

申请日：2019-02-19

申请人： KS KOLBENSCHMIDT US, INC.

发明人： David J. Boye ,  Bryan Quinn ,  Joseph Stojkov ,  Joshua Cota ,  Scott D. Bailey

IPC分类号： F02F3/16 ,  B21K1/18 ,  B21J5/08

摘要： Methods for forging a piston blank are disclosed such that the forged piston blank is in a near-net shape and size of a final piston. Bending a flange to form a cooling channel can be done with reduced or no preliminary machining away of core material relative prior to bending the flange.

公开(公告)号：US20220178328A1

公开(公告)日：2022-06-09

申请号：US17676651

申请日：2022-02-21

申请人： KS KOLBENSCHMIDT US, INC.

发明人： David J. Boye ,  Bryan Quinn ,  Joseph Stojkov ,  Joshua Cota ,  Scott D. Bailey

IPC分类号： F02F3/16 ,  B21K1/18 ,  B21J5/08

摘要： A one-piece piston blank of near-net shape wherein the piston blank has a flange disposed opposite a skirt, the flange being spin-bendable to form a cooling channel with reduced preliminary removal of material relative to conventional forged piston blanks.

公开(公告)号：US20190178204A1

公开(公告)日：2019-06-13

申请号：US16279394

申请日：2019-02-19

申请人： KS KOLBENSCHMIDT US, INC.

发明人： David J. Boye ,  Bryan Quinn ,  Joseph Stojkov ,  Joshua Cota ,  Scott D. Bailey

IPC分类号： F02F3/16 ,  B21J5/08 ,  B21K1/18

摘要： Methods for forging a piston blank are disclosed such that the forged piston blank is in a near-net shape and size of a final piston. Bending a flange to form a cooling channel can be done with reduced or no preliminary machining away of core material relative prior to bending the flange.

公开(公告)号：US11661903B2

公开(公告)日：2023-05-30

申请号：US17676651

申请日：2022-02-21

申请人： KS KOLBENSCHMIDT US, INC.

发明人： David J. Boye ,  Bryan Quinn ,  Joseph Stojkov ,  Joshua Cota ,  Scott D. Bailey

IPC分类号： F02F3/16 ,  B21K1/18 ,  B21J5/08

CPC分类号： F02F3/16 ,  B21J5/08 ,  B21K1/185 ,  F02F2200/04

摘要： A one-piece piston blank of near-net shape wherein the piston blank has a flange disposed opposite a skirt, the flange being spin-bendable to form a cooling channel with reduced preliminary removal of material relative to conventional forged piston blanks.

公开(公告)号：US10253722B2

公开(公告)日：2019-04-09

申请号：US15064150

申请日：2016-03-08

申请人： KS Kolbenschmidt US, Inc.

发明人： David J. Boye ,  Bryan Quinn ,  Joseph Stojkov ,  Joshua Cota ,  Scott D. Bailey

IPC分类号： B21J5/00 ,  F02F3/16 ,  B21K1/18 ,  B21J5/08

摘要： Methods for forging a piston blank are disclosed such that the forged piston blank is in a near-net shape and size of a final piston. Bending a flange to form a cooling channel can be done with reduced or no preliminary machining away of core material relative prior to bending the flange.