Adjustable arc spinkler nozzle
US5556036A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 26, 1994 |
| Grant date | Sep 17, 1996 |
| Priority date | — |
| Expiry date | Oct 26, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S239/01
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An adjustable arc sprinkler nozzle comprises a first body member having a through passage including an inlet end for attachment to a source of pressurized water and an outlet end having a first spiral edge having axially offset ends, a second body member mounted coaxially of and rotatable relative to the first body member and a second spiral edge positioned for selectively overlapping the first spiral edge for defining a selectively adjustable arcuate outlet orifice, the outlet orifice having a predetermined height and an adjustable width, and diameter first and second spiral edges teeth forming one of the first and second spiral edges for maximizing the predetermined height relative to the width.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.