Ventilation member
AssigneeNitto Denko Corporation
InventorYouzou Yano
Life of this patent
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Abstract
A ventilation member is attached to a through hole of a housing. The ventilation member includes: a support body in which a ventilation path that forms a flow path for gas between the interior and the exterior of the housing; a sealing member that seals between the support body and the housing; a ventilation membrane that is provided on the ventilation path to prevent a liquid and a solid from passing through and to allow gas to pass through; and a surrounding portion that is provided to the support body and is formed with a uniform height to surround an end portion opening of the ventilation path.
Claims9
A ventilation member to be attached to a through hole of a housing, comprising:
- a main body comprising a ventilation path for a gas between an interior and an exterior of the housing;
- a seal that seals between the main body and the housing;
- a ventilation membrane that allows passage of the gas, but prevents passage of a liquid and a solid, through the ventilation path, wherein the ventilation path is bent in a radial direction after the ventilation membrane and continues to a plurality of end openings at the main body;
- and
- a surrounding portion that is in the main body and surrounds every end opening of the ventilation path, including the plurality of end openings, the surrounding portion having a uniform height.
Dependencies are inferred from the claim text.