Atomising nozzle and filter and spray generating device

US7246615B2 · kind B2 · utility

Assignee

• Boehringer International GmbH · DE

Inventors

• Frank Bartels · Hattingen, DE
• Wulf Bachtler · Mainz, DE
• Stephen T Dunne · Stowmarket, GB
• Joachim Eicher · Karlsruhe, DE
• Bernhard Freund · Gau-Algesheim, DE
• William B. Hart · Ipswich, GB
• Christoph Lessmoellmann · Gernsbach, DE

Key dates

• Filing date: Nov 12, 2002
• Grant date: Jul 24, 2007
• Expiry date: Jul 14, 2025

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B05B1/3405
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A nozzle assembly for use in atomizing and generating sprays from a fluid. The nozzle assembly includes two members, each with generally planar surfaces, that are joined together. A first set of channels is formed in the generally planar surface of a first one of the members to form, in cooperation with the generally planar surface of the second of the members, a plurality of filter passageways. A plenum chamber is formed in the first member. The plenum chamber is in fluid communication with and downstream of the plurality of filter passageways. A second set of channels is formed in the generally planar surface of the first member to form, in cooperation with the generally planar surface of the second member, a plurality of nozzle outlet passageways. These nozzle outlet passageways are in fluid communication with the plenum chamber. The nozzle outlet passageways include a plurality of nozzle outlets which are adapted to discharge a plurality of fluid jets that impinge on one another to thereby atomize a flow of fluid.