Patent · US Expired

Fuel injector

US4317542A · kind A · utility

7Cited by
3References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 4, 1980
Grant dateMar 2, 1982
Priority date
Expiry dateFeb 4, 2000

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02M61/162
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A fuel injector comprising a movable needle actuated by a solenoid for controlling the opening operation of a valve port. A fuel swirl chamber is arranged downstream of the valve port and has a conically shaped circumferential inner wall. The fuel injection port opens into the fuel swirl chamber at the apex thereof. The fuel swirl chamber has a fuel inlet port connected to the valve port via a fuel passage. The fuel inlet port is tangentially connected to the circumferential inner wall of the fuel swirl chamber.

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