Piston with cooling gallery
US8973484B2 · kind B2 · utility
4Cited by
49References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 1, 2011 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | Nov 10, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02F3/003
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An exemplary piston assembly and method of making the same are disclosed. An exemplary piston assembly may include a piston crown and skirt. The crown may include radially inner and outer crown mating surfaces, and the crown may define at least in part a cooling gallery extending about a periphery of the crown. The skirt may further include an inner collar wall disposed radially inwardly of a radially inner interface region and extending upwards to a free end. The collar wall may generally enclose the radially inner interface region from the central region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.