Patent · US Expired

Method and apparatus for controlling liquid-phase fuel penetration distance in a direct-fuel injected engine

US7017547B2 · kind B2 · utility

2Cited by
8References
6Claims
0Family size

Inventors

Key dates

Filing dateJan 20, 2004
Grant dateMar 28, 2006
Priority date
Expiry dateJun 12, 2024

Classification

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

Abstract

Fuel temperature management is used to control the penetration distance of liquid-phase fuel into the combustion chamber of direct injection engines. Fuel temperature management enables the alteration of liquid-phase penetration distance to compensate for real-time changes in fuel composition, injector geometry, injection pressure, combustion mode, or combustion chamber thermodynamic conditions during engine operation. Alteration of the liquid-phase penetration distance prevents or reduces undesirable liquid fuel impingement on combustion chamber surfaces.

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