In-cylinder fuel injection valve
US6176441A · kind A · utility
9Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1999 |
| Grant date | Jan 23, 2001 |
| Priority date | — |
| Expiry date | Sep 21, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M61/162
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An in-cylinder fuel injection valve which can realize perfectly hollow conical spray with the minimum amount of center spray. When the outer diameter of a portion of a valve supported by a turning body in such a manner that it can move in an axial direction is represented by D1, the inner diameter of a center hole is represented by D2 and the outer diameter of an inner annular groove is represented by D3, 2.times.(D2-D1)<D3-D1, and the total of the volume of a space surrounded by a valve seat, the turning body and the valve when the valve is closed and the volume of the inner annular groove is set to 0.25 mm.sup.3 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.