Moisture electrolysis apparatus for headlamp

Patent metadata

Field	Value
Publication number	US-9994446-B1
Application number	US-201715638977-A
Country	US
Kind code	B1
Filing date	Jun 30, 2017
Priority date	Dec 14, 2016
Publication date	Jun 12, 2018
Grant date	Jun 12, 2018

Abstract

A moisture electrolysis apparatus for a headlamp may include a first electrode connected to one electrode of a power supply, exposed to an internal space of a headlamp housing, and having a pillar shape; a second electrode connected to the other electrode of the power supply, exposed to the internal space of the headlamp housing, surrounding an outer peripheral surface of the first electrode and distanced from the first electrode by a predetermined distance to form a gap between the electrodes, and having a pillar shape; a dielectric coated on a surface of a one of the first electrode and the second electrode facing each other; and an electric discharge air duct formed between the first electrode and the second electrode, circulating air in the headlamp, and electrolyzing moisture in the air through an electric discharge phenomenon generated between the first electrode and the second electrode.

First claim

What is claimed is:

1. A moisture electrolysis apparatus for a headlamp, including:
a first electrode connected to one electrode of a power supply, exposed to an internal space of a headlamp housing, and having a pillar shape;
a second electrode connected to the other electrode of the power supply, exposed to the internal space of the headlamp housing, surrounding an outer peripheral surface of the first electrode and spaced from the first electrode by a predetermined distance to form a gap between the first electrode and the second electrode, and having a pillar shape;
a dielectric coated on a surface of one of the first electrode and the second electrode facing each other; and
an electric discharge air duct formed between the first electrode and the second electrode, circulating air in the headlamp, and electrolyzing moisture in the air through an electric discharge phenomenon generated between the first electrode and the second electrode.

2. The moisture electrolysis apparatus for the headlamp of claim 1 , wherein a plurality of ventilation holes is formed in each of the first electrode and the second electrode.

3. The moisture electrolysis apparatus for the headlamp of claim 1 , wherein ventilation holes of the first electrode and the second electrode are formed to intersect with each other.

4. The moisture electrolysis apparatus for the headlamp of claim 1 , wherein a moisture absorbent is provided in an internal portion of the first electrode.

5. The moisture electrolysis apparatus for the headlamp of claim 1 , further including a heat conductor having a first surface penetrating through the headlamp housing to be exposed to an internal portion of the first electrode and a second surface on which heat radiation fins are formed.

6. The moisture electrolysis apparatus for the headlamp of claim 5 , further including an insulating housing fixing the first electrode and the second electrode to maintain the gap therebetween and blocking thermal connection between the first and second electrodes and the heat conductor.

7. The moisture electrolysis apparatus for the headlamp of claim 1 , wherein the dielectric is an ionomer.

8. The moisture electrolysis apparatus for the headlamp of claim 1 , wherein the dielectric is formed by impregnating an ionomer in a polytetrafluoroethylene (PTFE) film.

Assignees

• Hyundai Motor Co Ltd
• Kia Motors Corp

Inventors

• Park Jae Woo
• Lee Sang Shin
• Park So Yoon
• Oh Man Ju
• Kim Jae Woong
• Chung So La

Classifications

• F21S45/20

  Promoting gas flow in lighting devices, e.g. directing flow toward the cover glass for demisting (ventilation F21S45/30; forced cooling F21S45/42) · CPC title

• F21L4/04

  characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device · CPC title

• F21L4/005

  the device being a pocket lamp (F21L4/022, F21L4/045, F21L4/085 take precedence) · CPC title

• F21S45/33 Primary

  specially adapted for headlamps · CPC title

• C01B3/02

  Production of hydrogen; Production of gaseous mixtures containing hydrogen · CPC title