Patent · US Expired

Fuel injection pump and method of controlling the same

US4974564A · kind A · utility

7Cited by
5References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 21, 1988
Grant dateDec 4, 1990
Priority date
Expiry dateNov 21, 2008

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02B3/06
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A fuel injection pump for an internal combustion engine comprising a cylinder defining a pump working space, a plunger displaceable in the cylinder, and a bypass valve for bypassing fuel from the pump working space; and a method of controlling flow of fuel from the fuel injection pump to the internal combustion engine by controling the time interval between opening and closing of the bypass valve in accordance with load parameters of the internal combustion engine.

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