Patent · US Expired

Internal combustion engine

US6170455A · kind A · utility

3Cited by
6References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 1999
Grant dateJan 9, 2001
Priority date
Expiry dateOct 15, 2019

Classification

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

Abstract

An internal combustion engine with a piston arranged in a cylinder bore, a pair of intake passages to the cylinder bore, and having a piston crown provided with a crescent-shaped depression. The inlet passages are arranged symmetrically with respect to an axis of symmetry running through the center of the cylinder bore between the two intake passages. The crescent-shaped depression formed in the piston crown extends across and is symmetrical with respect to the axis of symmetry.

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