Method and apparatus for controlling the diameter and geometry of an orifice with an abrasive slurry
US5807163A · kind A · utility
18Cited by
5References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 12, 1996 |
| Grant date | Sep 15, 1998 |
| Priority date | — |
| Expiry date | Nov 12, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M61/1833
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A system and method for radiusing and sizing microholes in diesel fuel injectors. A liquid abrasive slurry with rheological properties is used. As the slurry approaches and flows through the microhole it is at a first lower viscosity. Subsequently, the slurry is characterized by a higher viscosity which enables the use of a floor meter in the slurry flow path which directly and accurately monitors slurry flow rate and mass flow in real time. This allows for individual slurry processing of nozzles to their specified flow race in a continuous process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.