Nozzle with pre-orifice metering restriction
US4353508A · kind A · utility
98Cited by
10References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1980 |
| Grant date | Oct 12, 1982 |
| Priority date | — |
| Expiry date | Nov 10, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B1/267
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to a nozzle having a restriction in the form of an insert comprised of a pre-metering orifice in the nozzle that causes the emerging stream to flare out and impinge on the nozzle side walls and create turbulence to flood the nozzle and achieve a predetermined spray pattern. The premetering insert is formed to provide a non-uniform orifice length and is installed immediately ahead of the nozzle to reduce the velocity of the stream without disrupting the spraying performance of the nozzle and one or both parts are made from a plastic material such as nylon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.