Patent · US Expired

Valve and method for the production of a valve

US5746376A · kind A · utility

22Cited by
4References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1995
Grant dateMay 5, 1998
Priority date
Expiry dateDec 20, 2015

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02M61/1853
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The invention is directed to a perforated spray disk which is arranged downstream of a valve seat surface, on one end of a valve seat body, and has a bulge, the collecting space formed between the valve-closing element and the bulge is first of all produced, the perforated spring disk fixed on the valve seat body, by means of a shaped body with a smaller cross section than that of the valve-closing element by plastic deformation of the perforated spray disk in its central area, the inner wall of the bulge merging directly into the wall of the valve seat surface and leads to a collecting space with a very small volume. The invention is particularly suitable for fuel injection valves of fuel injection systems for internal combustion engines.

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