Patent · US Expired

Intake system for an internal combustion engine

US4779594A · kind A · utility

20Cited by
7References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 17, 1987
Grant dateOct 25, 1988
Priority date
Expiry dateApr 17, 2007

Classification

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

Abstract

An engine intake system including a main intake passage leading through an intake port to a combustion chamber, an auxiliary intake passage branched from the main intake passage and opened to the intake passage, and a control valve provided in the main intake passage and adapted to be opened under a heavy load engine operation and closed under a light load engine operation. A fuel injection valve is provided in the auxiliary intake passage close to the opening of the intake port to the combustion chamber to inject fuel toward the combustion chamber.

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