Spray heads

US11504723B2 · kind B2 · utility

Assignee

• METHVEN LIMITED · NZ

Inventors

• Andrew John Grigor · Sydney, AU
• Chad Robert Bauer · Havelock North, NZ
• Stephen McLay McCutcheon · Auckland, NZ
• Nicholas Michael Lawrence Ashby · Auckland, NZ
• Robert Nicholas Edward Bolus · Auckland, NZ
• Brett Band · Auckland, NZ

Key dates

• Filing date: Aug 13, 2018
• Grant date: Nov 22, 2022
• Expiry date: Dec 12, 2038

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B05B1/1663
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A spray head adapted for connection to a supply of fluid. The head includes a body to receive the supply of fluid and a number of conical mixing volumes, in fluid connection with the body and supply of fluid, each conical mixing volume having an outlet. Each conical mixing volume includes at least one first inlet for a flow of fluid into the conical mixing volume at an angle to a conical axis thereof, and at least one second inlet for a flow of fluid into the conical mixing volume substantially parallel to the conical axis. There is a valve disposed upstream of the conical mixing volumes, the valve adapted to divide and vary the supply of fluid flow between the at least one first inlet and the at least one second inlet, which in turn varies the output of the fluid from the outlet of the conical mixing volumes.