A vent cap has a cap wall extending an inner surface of a cap base. First and second sealing lips extend starting from the cap base. Each sealing lip has at least one cutaway such that two adjacent cutaways are offset with respect to each other. A vent body has a plate with an opening formed therethrough. Inner and outer guide walls extend vent body plate and at least partially encircle the ventilation opening. The cap base lies flush against an outer wall of the vent body such that the first and second sealing lips lie flush against the outer wall of the vent body to form a flow path with a first labyrinthine course in a radial direction and a second labyrinthine course in a vertical direction between the vent body plate and the base body.

A vent cap has a cap wall extending an inner surface of a cap base. First and second sealing lips extend starting from the cap base. Each sealing lip has at least one cutaway such that two adjacent cutaways are offset with respect to each other. A vent body has a plate with an opening formed therethrough. Inner and outer guide walls extend vent body plate and at least partially encircle the ventilation opening. The cap base lies flush against an outer wall of the vent body such that the first and second sealing lips lie flush against the outer wall of the vent body to form a flow path with a first labyrinthine course in a radial direction and a second labyrinthine course in a vertical direction between the vent body plate and the base body.

An adsorbent system including a body having or defining a channel therein, wherein the body is configured to be coupled to a humidity-controlled environment such that a first end of the channel is in selective fluid communication with the ambient environment and such that a second end of the channel is in fluid communication with said humidity-controlled environment. The system further includes an adsorbent material in the channel, wherein the channel and adsorbent material are configured such that inlet fluid flowing from the first end to the second end through the channel is flowable over the adsorbent material, and such that outlet fluid flowing from the second end to the first end is flowable over a majority of the adsorbent material that is flowable over by the inlet fluid. The system also includes a valve system positioned at or adjacent to or in fluid communication with the first end of the channel.

The present invention is to provide a vehicle-mounted lamp fitting which can efficiently suppress fogging due to condensation of a light transmissive cover. Provided are: a lamp chamber composed of a light transmissive cover exposed to the outside and a case; a dehumidification element mounted on the case; and a humidity detection element mounted on the inside of the light transmissive cover of the lamp chamber. The dehumidification element mounted on the case is controlled by detection of the humidity detection element mounted on the inside of the light transmissive cover of the lamp chamber to efficiently suppress fogging due to condensation of the light transmissive cover.

A heater is provided for a vehicle illumination assembly. The heater includes a heat transfer body, a heat source, and a mounting base. The heat transfer body has a top surface and a bottom surface. The top surface has a higher emissivity than the bottom surface. The heat source is affixed in heat transfer relation with the heat transfer body. The mounting base is configured to affix the heat transfer body within a housing of a vehicle illumination assembly to provide the top surface of the heat transfer body in radiant heat transfer relation with a light transmissible portion of the vehicle illumination assembly. A method is also provided.

A heater is provided for a vehicle illumination assembly. The heater includes a heat transfer body, a heat source, and a mounting base. The heat transfer body has a top surface and a bottom surface. The top surface has a higher emissivity than the bottom surface. The heat source is affixed in heat transfer relation with the heat transfer body. The mounting base is configured to affix the heat transfer body within a housing of a vehicle illumination assembly to provide the top surface of the heat transfer body in radiant heat transfer relation with a light transmissible portion of the vehicle illumination assembly. A method is also provided.

Disclosed is a vehicle head lamp includes: a plurality of lamps arranged in parallel with each other and each including a light source that emits light irradiated to a forward and a heat sink that radiates heat generated from the light source; a blower; and a lamp housing configured to accommodate the plurality of lamps and the blower. Each of the plurality of lamps includes a first lamp disposed in a blowing direction where air is blown by the blower, and a second lamp disposed on a flow path of the air flowing through the first lamp. The blower includes an air suction space into which the air flowing through the second lamp is sucked.

A vehicle body structure includes a ventilation port through which air in an internal space of a lamp body enters and exits, a cap that covers the ventilation port, a waterproof wall that surrounds a periphery of the cap, and a water-resistant cover that covers an opening section of the waterproof wall, wherein the water-resistant cover includes a drain port further outside than the waterproof wall in a radial direction when seen in an axial direction of the waterproof wall.

A vehicle body structure includes a ventilation port through which air in an internal space of a lamp body enters and exits, a cap that covers the ventilation port, a waterproof wall that surrounds a periphery of the cap, and a water-resistant cover that covers an opening section of the waterproof wall, wherein the water-resistant cover includes a drain port further outside than the waterproof wall in a radial direction when seen in an axial direction of the waterproof wall.

A lighting system capable of reducing a number of components and cost is provided. A back substrate, a lamp body including front support columns that guide and position the back substrate when the back substrate is attached, and a front substrate that is disposed in the lamp body to be stacked on the back substrate and is fixed to tip end portions of the front support columns are included. The front support columns perform guide and positioning of the back substrate, and fixing of the front substrate, and thereby the number of components and cost of the lamp body are reduced, as compared with a case where the guide portions, positioning portions and fixing portions of the back substrate and the front substrate are individually provided respectively.