Piston outer panel mold and method of constructing a piston and forming an undercut cooling gallery of a piston therewith
US8459332B1 · kind B1 · utility
Inventors
Key dates
| Filing date | Jul 9, 2012 |
| Grant date | Jun 11, 2013 |
| Priority date | — |
| Expiry date | Jul 9, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D33/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An outer panel mold and method of constructing a piston and forming an undercut cooling gallery of a piston therewith is provided. The outer panel mold is operably attachable to a conventional piston mold machine. The outer panel mold has a pair of gudgeon core members and a pair of gudgeon guide blocks. The gudgeon core members are moveable toward and away from one another along an axis that is substantially perpendicular to a longitudinal central axis of a piston. Each of the gudgeon guide blocks have an opening receiving a separate one of the gudgeon core members. A pair of outer panels are moveable into a closed position between the pair of gudgeon guide blocks to form an undercut cooling gallery of the piston and an open position to allow extraction of the piston vertically along the longitudinal central axis in response to movement of the gudgeon guide blocks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.