About 3 results
https://drivepatents.com/patents/997279 · 17 Oct 2012
A one-piece steel piston that is made from a piston blank that includes a portion (4) that is configured and designed to be displaced to form a cooling gallery (9) and ring belt. The piston blank can be formed by a casting or forging process. The portion t...
https://drivepatents.com/patents/999054 · 29 Aug 2012
A one-piece steel piston that is made from a piston blank that includes a portion that is configured and designed to be displaced to form a cooling gallery and ring belt. The piston blank can be formed by a casting or forging process. The portion that is d...
https://drivepatents.com/patents/1070899 · 11 Jan 2006
A one-piece steel piston that is made from a piston blank that includes a portion that is configured and designed to be displaced to form a cooling gallery and ring belt. The piston blank can be formed by a casting or forging process. The portion that is d...