Invention Grant
- Patent Title: Method of manufacture and design of cast-in-place valve seats
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Application No.: US17014526Application Date: 2020-09-08
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Publication No.: US11326485B2Publication Date: 2022-05-10
- Inventor: Devin R. Hess , Qigui Wang , Thomas W. Gustafson , Dale A. Gerard
- Applicant: GM Global Technology Operations LLC
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Current Assignee Address: US MI Detroit
- Agency: Vivacqua Crane PLLC
- Main IPC: F01L3/22
- IPC: F01L3/22 ; C23C2/12 ; B22D19/00 ; F02F1/24

Abstract:
A cylinder head having a cast-in-place valve seat for an automobile vehicle includes a valve seat having an inner wall. At least one retaining feature integrally and homogeneously extends from the inner wall. The valve seat when positioned into a casting mold has the at least one retaining feature assisting in retaining the valve seat in the casting mold. A metal in a molten form is received in the casting mold. A cast component formed after cooling of the metal has the valve seat cast-in-place.
Public/Granted literature
- US20220074325A1 METHOD OF MANUFACTURE AND DESIGN OF CAST-IN-PLACE VALVE SEATS Public/Granted day:2022-03-10
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