Patent ID: 6506110
Filing Date: 2003-01-14
Classification: H05K

Abstract:
A ventilation device, comprising:a wall defining an inner space and surroundings and having: at least one inner opening open to said inner space for receiving and delivering gas from and to said inner space; at least one outer opening open to the surroundings for receiving and delivering gas from and to the surroundings, said at least one inner opening and said at least one outer opening laterally offset to not overlap; a depression disposed in said wall surrounding said at least one inner opening; and at least one ventilation duct formed as a recess in said wall and having a distal end, fluidically connected to said depression, and extending away from said depression, for leading the gas between said at least one inner opening and said at least one outer openting; a membrane unit disposed in said depression; and a covering layer attached to said wall and juxtapositioned inside of the distal end of said at least one ventilation duct to form said at least one outer opening.