公开(公告)号：US20230417203A1

公开(公告)日：2023-12-28

申请号：US17809421

申请日：2022-06-28

Applicant: GM Global Technology Operations LLC

Inventor： Ronald John Petrus ,  Jared Matthew Satkowiak ,  Hsiao F. Wong ,  Kenneth E. Schroeder ,  Qigui Wang ,  Richard D. Ricchi

IPC: F02F3/00 ,  B33Y80/00 ,  B33Y40/10 ,  B22F1/142 ,  C22C21/00

CPC classification number: F02F3/0084 ,  F02F3/00 ,  B33Y80/00 ,  B33Y40/10 ,  B22F1/142 ,  C22C21/00 ,  F02F2003/0007 ,  B33Y10/00

Abstract: An additive manufactured piston having a crown portion and a skirt portion form of an aluminum-cerium-silicon alloy. The piston includes a least one recess pocket in an unstressed region located at an interface between an inner surface of the crown portion and an outer surface of the skirt portion. The skirt portion includes an outer panel surface defining an external rib adjacent a peripheral end surface, at least one stiffening rib extending from a pin boss to a skirt end, and a wall thickness of between 0.2 mm and 1.0 mm in a region between the external rib and the at least one stiffening rib. The skirt portion further includes an internal first rib having a width W1 on a thrust side portion and an internal second rib having a width W2 located on an anti-thrust side portion, in which W1 is greater than W2.

公开(公告)号：US20250041971A1

公开(公告)日：2025-02-06

申请号：US18362111

申请日：2023-07-31

Applicant: GM Global Technology Operations LLC

Inventor： Jianghuai Yang ,  Ronald J. Helmstadt ,  Qigui Wang ,  Richard D. Ricchi

IPC: B23K26/356 ,  B23K26/00 ,  B23K26/0622 ,  B23K26/067 ,  C21D7/06 ,  C23C28/00 ,  F16J1/12

Abstract: A connecting rod for a vehicle and a method of laser peening a connecting rod. The connecting rod defines a pin opening at a first end and a cylindrical bore at a second end. A clear coating is applied on a first target surface and a second target surface of the connecting rod. The first and second opposing target surfaces are impinged in a localized area between the pin opening and the cylindrical bore with a plurality of pulses of pulsed laser beams. After laser peening, the localized area between the pin opening and the cylindrical bore exhibits compressive residual stresses at a depth of up to 0.75 millimeters.

公开(公告)号：US11300153B2

公开(公告)日：2022-04-12

申请号：US16297592

申请日：2019-03-09

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Huaxin Li ,  Liang Wang ,  Richard D. Ricchi

IPC: F16C3/02 ,  B22F7/06 ,  B22F7/08 ,  C23C28/02 ,  C22C38/46 ,  C22C38/44 ,  C22C38/48

Abstract: A component includes a base formed of a majority of a first metallic element and a shell adhered to the base. The shell includes an inner portion having an inner surface contacting the base, an outer portion having an outer surface, and an intermediate zone connecting the inner portion to the outer portion. The shell is formed of a multi-element transition material, where the multi-element transition material includes a majority of a second metallic element at the inner surface and a majority of a third metallic element at the outer surface. The intermediate zone includes both the second and third metallic elements. Each of the first, second, and third metallic elements are different from one another. The component may be an automotive shaft. A method of forming the component may include depositing first and second powders on the base to form the inner and outer portions and the intermediate zone.

公开(公告)号：US20200282451A1

公开(公告)日：2020-09-10

申请号：US16297592

申请日：2019-03-09

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Huaxin Li ,  Liang Wang ,  Richard D. Ricchi

IPC: B21K1/10 ,  F16C3/02

Abstract: A component includes a base formed of a majority of a first metallic element and a shell adhered to the base. The shell includes an inner portion having an inner surface contacting the base, an outer portion having an outer surface, and an intermediate zone connecting the inner portion to the outer portion. The shell is formed of a multi-element transition material, where the multi-element transition material includes a majority of a second metallic element at the inner surface and a majority of a third metallic element at the outer surface. The intermediate zone includes both the second and third metallic elements. Each of the first, second, and third metallic elements are different from one another. The component may be an automotive shaft. A method of forming the component may include depositing first and second powders on the base to form the inner and outer portions and the intermediate zone.

公开(公告)号：US20200070240A1

公开(公告)日：2020-03-05

申请号：US16120740

申请日：2018-09-04

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jeremy R. Kirklin ,  Richard D. Ricchi

IPC: B21K1/76 ,  C22C21/02 ,  B22F5/02 ,  B21J5/02 ,  F16J9/26

Abstract: A method for manufacturing an insert for an aluminum piston comprises applying pressure to a composition that comprises aluminum. The composition is deformed to form the insert for aluminum piston. The insert comprises an aluminum alloy and the insert functions as a ring carrier. Disclosed herein too is an article that comprises an insert for a piston. The article is manufactured from a composition that comprises aluminum. The insert is manufactured by a process that comprises applying pressure to the composition to form the insert.

公开(公告)号：US11994085B2

公开(公告)日：2024-05-28

申请号：US17809421

申请日：2022-06-28

Applicant: GM Global Technology Operations LLC

Inventor： Ronald John Petrus ,  Jared Matthew Satkowiak ,  Hsiao F. Wong ,  Kenneth E. Schroeder ,  Qigui Wang ,  Richard D. Ricchi

IPC: F02F3/00 ,  B22F10/366 ,  B33Y40/10 ,  B33Y80/00 ,  C22C21/00 ,  B22F10/28 ,  B33Y10/00

CPC classification number: F02F3/0084 ,  B22F10/366 ,  B33Y40/10 ,  B33Y80/00 ,  C22C21/00 ,  B22F10/28 ,  B22F2301/052 ,  B33Y10/00 ,  F02F2003/0007

Abstract: An additive manufactured piston having a crown portion and a skirt portion form of an aluminum-cerium-silicon alloy. The piston includes a least one recess pocket in an unstressed region located at an interface between an inner surface of the crown portion and an outer surface of the skirt portion. The skirt portion includes an outer panel surface defining an external rib adjacent a peripheral end surface, at least one stiffening rib extending from a pin boss to a skirt end, and a wall thickness of between 0.2 mm and 1.0 mm in a region between the external rib and the at least one stiffening rib. The skirt portion further includes an internal first rib having a width W1 on a thrust side portion and an internal second rib having a width W2 located on an anti-thrust side portion, in which W1 is greater than W2.

公开(公告)号：US20190119809A1

公开(公告)日：2019-04-25

申请号：US15789052

申请日：2017-10-20

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Huaxin Li ,  Dale A. Gerard ,  Richard D. Ricchi

IPC: C23C14/58 ,  C23C24/00 ,  C23C14/02 ,  C23C14/28 ,  C23C14/16 ,  F02F3/10

Abstract: A method for depositing a coating of a first metal on a second metal component includes applying a first laser beam to a surface of the second metal to remove a portion of an oxide layer from the surface, and applying a second laser beam to deposit a coating of a first metal on the surface immediately following the first laser beam and a component made by the method.