Droplet mist generator

US6116517A · kind A · utility

Assignee

• Joachim Heinzl · DE

Inventors

• Joachim Heinzl · Munich, DE
• Ingo Ederer · Geltendorf, DE
• Josef Grasegger · Garmisch-Partenkirchen, DE
• Wolfgang Schullerus · Bad Feilnbach, DE
• Carsten Tille · Hersbruck, DE

Key dates

• Filing date: May 11, 1999
• Grant date: Sep 12, 2000
• Expiry date: May 11, 2019

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B41J2/14282
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

In a pump chamber connected to a liquid supply, an overlapping piezoelectric flexural transducer is disposed so that when voltage pulses are applied to produce an excursion, a number of droplets can be expelled from a nozzle array in the housing wall of the pump chamber using a plurality of nozzles. Gaps are formed between the edges lateral to the direction of overhang an the free end of the piezoelectric flexural transducer ad adjacent section of the housing wall. The nozzle array can be disposed in the projection of the plate surface of the piezoelectric flexural transducer in its direction of motion or in the extension of the piezoelectric flexural element or in another suitable pattern. As part of a combustion device the droplet mist generator is excellent for producing a combustible fuel-oxidant mixture.