Patent · US Expired

Internal combustion engine having variable compression ratio mechanism and control method therefor

US6990934B2 · kind B2 · utility

7Cited by
2References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 8, 2003
Grant dateJan 31, 2006
Priority date
Expiry dateMar 11, 2024

Classification

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

Abstract

An internal combustion engine has a variable compression ratio mechanism operatable during an intake stroke to change an actual compression ratio of the engine, and is capable of correcting an amount of fuel injected into the engine in response to a change in the compression ratio.

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