Electrostatic spray device and method for positioning for the same

Patent metadata

Field	Value
Publication number	US-9868126-B2
Application number	US-201314380921-A
Country	US
Kind code	B2
Filing date	Feb 26, 2013
Priority date	Feb 27, 2012
Publication date	Jan 16, 2018
Grant date	Jan 16, 2018

Abstract

An electrostatic spray device capable of reducing a leakage current is provided. An electrostatic spray device 100 includes a spray electrode 1 configured to spray a material from an end thereof, a reference electrode 2 for allowing voltage application across the spray electrode 1 and the reference electrode 2 , a dielectric 10 on which the spray electrode 1 and the reference electrode 2 are provided, and a gap section 11 provided on a surface of the dielectric 10 for providing on the surface of the dielectric 10 a detouring current path between the spray electrode 1 and the reference electrode 2.

First claim

The invention claimed is:

1. An electrostatic spray device, comprising:
a first electrode configured to spray a material from an end thereof;
a second electrode for allowing voltage application across the first electrode and the second electrode;
a dielectric comprising a first portion having a first electrode attaching section on which the first electrode is attached and a second portion having a second electrode attaching section on which the second electrode is attached; and
the dielectric includes a detour section provided between a surface of the first portion of the dielectric and a surface of the second portion of the dielectric, for providing a detouring current path between the first electrode and the second electrode,
wherein the surface of the first portion and the surface of the second portion are opposing surfaces and not on the same plane cross-sectionally, and are provided between the first electrode attaching section and the second electrode attaching section, and
wherein the detour section is a gap defined in between the opposing surfaces.

2. The electrostatic spray device as set forth in claim 1 , wherein the detouring current path does not include a direct current path between the first electrode and the second electrode.

Assignees

• Sumitomo Chemical Co

Inventors

• Dau Van Thanh
• Terebessy Tibor
• Watts Jude Anthony

Classifications

• B05B5/0533 Primary

  Electrodes specially adapted therefor; Arrangements of electrodes · CPC title

• B05B5/057

  Arrangements for discharging liquids or other fluent material without using a gun or nozzle · CPC title

• Y10T29/494

  Fluidic or fluid actuated device making · CPC title

• B05B5/053 Primary

  Arrangements for supplying power, e.g. charging power · CPC title

• B05B5/0255 Primary

  spraying and depositing by electrostatic forces only · CPC title