Patent · US Expired

Engine system and method with cylinder deactivation

US6978204B2 · kind B2 · utility

107Cited by
16References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 5, 2004
Grant dateDec 20, 2005
Priority date
Expiry dateMar 5, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/40
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

Various systems and methods are disclosed for carrying out combustion in a fuel-cut operation in some or all of the engine cylinders of a vehicle. Further, various subsystems are considered, such as fuel vapor purging, air-fuel ratio control, engine torque control, catalyst design, and exhaust system design.

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