Patent · US Expired

Irrigation valve for a cultivation table and related irrigation system

US5355618A · kind A · utility

19Cited by
4References
8Claims
0Family size

Inventor

Key dates

Filing dateSep 9, 1992
Grant dateOct 18, 1994
Priority date
Expiry dateSep 9, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A40/25
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An irrigation valve adapted to be placed in an inlet pipe for irrigation liquid under a cultivation table for potted plants or the like. The irrigation valve includes a valve housing with an inlet and an outlet as well as a mixing chamber and a nozzle. The valve further includes a lateral opening for enabling an introduction of air to be mixed with the irrigation liquid and for draining of irrigation liquid. A number of the valves may be used in an irrigation plant with one valve being provided under each cultivation table and being activated by a magnetic valve disposed in an inlet pipe for providing water under pressure.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.