Cylinder injection type fuel injection valve
US6024302A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1997 |
| Grant date | Feb 15, 2000 |
| Priority date | — |
| Expiry date | Jun 6, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49425
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A cylinder injection type fuel injection valve comprising a valve body of a cylindrical type, a valve seat having an injection nozzle for injecting fuel at the center thereof, a valve capable of abutting on and separating from the valve seat to open and close the injection nozzle, a hollow housing connected to the valve body at one end, a solenoid located in the inside of the housing for operating the valve to be opened and closed, and a core which is connected to the housing at one end to form a magnetic circuit in association with the housing, wherein the connecting portion between the housing and the core is encirclingly welded, whereby connecting strength of the connecting portion between the core and the housing is improved, a change in properties under high combustion pressure can be prevented, and capability of withstanding pressure is improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.