Patent · US Active

Diesel engine piston

US9121336B2 · kind B2 · utility

6Cited by
14References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 4, 2011
Grant dateSep 1, 2015
Priority date
Expiry dateMar 12, 2034

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/12
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A diesel engine piston having a combustion chamber may include a profile surface that protrudes toward a center axis of the combustion chamber from an inner wall thereof and includes a protrusion on the inner wall, the protrusion extending from the inner wall with a predetermined length, wherein the protrusion divides a spray fuel, which may be sprayed and atomized onto the protrusion, into a fuel flow at an upper portion of the combustion chamber and a fuel flow at a lower portion of the combustion chamber, respectively.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.