Title:
熱源を含む筐体内部に存在する水分を減少させるための装置
Document Type and Number:
Japanese Patent JP4261191
Kind Code:
B2
Abstract:
A venting device that reduces the moisture of an enclosure containing a heat source and prevents the entrance of water or other liquids and contamination from entering the enclosure. The moisture reducing device comprises a drying agent or desiccant which is adjacent to said heat source (such as an automotive headlamp bulb or thermally cycling device), an air-impermeable, water-vapor permeable layer, a vent that allows bulk flow of air during thermal cycling of the heat source and a internal diffusion tube or channel that limits the entrance of moisture vapor from the external atmosphere to the drying agent or desiccant. The air-impermeable, water vapor permeable layer allows for continuous diffusion of water vapor, reducing the moisture in the enclosure when the heat source is de-energized. The location of the device to the heat source regenerates the drying agent in the device when the heat source is energized. The device may be in a variety of shapes for ease of placing the device adjacent to the heat source.
Inventors:
De Gizepp, Dave Tea.
Dewitt, Kelly El.
Johnson, Amy Elizabeth
Dewitt, Kelly El.
Johnson, Amy Elizabeth
Application Number:
JP2002575532A
Publication Date:
April 30, 2009
Filing Date:
March 26, 2002
Export Citation:
Assignee:
Gore Enterprise Holdings, Inc.
International Classes:
F21V31/00; F21V31/03; B01D53/22; B01D53/26; B01D69/12; B01D71/32; B01D71/34; B01D71/36; B01D71/40; B01D71/54; B01D71/70; B01D71/82; F21S2/00; F21S8/10
Domestic Patent References:
| JP557483A | ||||
| JP5130277A | ||||
| JP7509430A |
Foreign References:
| US4755917 | ||||
| WO1998031966A1 | ||||
| WO2000047932A1 |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Satoshi Deno
Takashi Ishida
Tetsuji Koga
Satoshi Deno
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