Trunk piston for use in an internal combustion engine
US4856417A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 21, 1985 |
| Grant date | Aug 15, 1989 |
| Priority date | — |
| Expiry date | Feb 21, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05C2201/021
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A piston comprises a piston crown section, a piston skirt section connected to the piston crown section and having a pair of relatively flat, inclined portions at a pair of radially opposite locations thereof and a pair of piston pin boss sections disposed through and connected to the inclined portions of the piston skirt section, respectively, with the distance between the inclined portions being decreased from the maximum at the upper portion of the piston skirt section to the minimum at the lower portion of the piston skirt section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.