Patent · US Expired

Valve control mechanism

US4213481A · kind A · utility

4Cited by
3References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 29, 1979
Grant dateJul 22, 1980
Priority date
Expiry dateMar 29, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/87225
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A valve control mechanism for turbo-charged internal combustion engines having a plurality of valves controlling fluid flow paths to devices regulating engine operation and so arranged that when the pressure in the air fuel induction system increases from a vacuum to a positive pressure the control paths are closed to interrupt operation of the control devices.

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