Dehumidifier for lamp of vehicle and lamp including the same
AssigneesHyundai Motor Company, Kia Corporation, Hvs
InventorsYoonsang Park, Jae Deok Kim
Life of this patent
Estimating the term…
Abstract
A dehumidifier, and a lamp for a vehicle including the same, can include a dust cover including first communication hole therein, an absorbent cover coupled to the dust cover, wherein a desiccant is accommodated between the dust cover and the absorbent cover, wherein the absorbent cover includes at least one second communication hole therein corresponding to the first communication hole, and a valve configured to selectively open the first communication hole and the second communication hole through a first bracket and a second bracket, which are operated and moved by a shape memory alloy of the valve that is deformed by a temperature difference between an inside of the dust cover and an outside of the dust cover.
Claims20
A dehumidifier for a lamp of a vehicle comprising:
- a dust cover configured to be coupled to a vehicle lamp housing of the lamp of the vehicle, the dust cover including a first communication hole therein;
- a desiccant;
- an absorbent cover coupled to the dust cover, wherein the desiccant is accommodated between the dust cover and the absorbent cover, wherein the absorbent cover includes a second communication hole therein, and wherein the second communication hole corresponds to the communication hole;
- and
- a valve comprising:
- a first bracket,
- a second bracket coupled to the first bracket, and
- a shape memory alloy disposed between the first bracket and the second bracket such that the valve is configured to selectively block the first communication hole and the second communication hole using the first bracket and the second bracket, respectively, by the first bracket and the second bracket being moved by the shape memory alloy being deformed by a temperature difference between an inside of the dust cover and an outside of the dust cover.
A lamp for a vehicle comprising:
- a lamp housing;
- a light source module within the lamp housing;
- and
- a dehumidifier attached to the lamp housing, wherein the dehumidifier comprises:
- a dust cover including a first communication hole therein,
- a desiccant,
- an absorbent cover coupled to the dust cover, wherein the desiccant is accommodated between the dust cover and the absorbent cover, wherein the absorbent cover includes a second communication hole therein, and wherein the second communication hole corresponds to the first communication hole, and
- a valve comprising:
- a first bracket,
- a second bracket coupled to the first bracket, and
- a shape memory alloy disposed between the first bracket and the second bracket such that the valve is configured to selectively block the first communication hole and the second communication hole using the first bracket and the second bracket, respectively, by the first bracket and the second bracket being moved by the shape memory alloy being deformed by a temperature difference between an inside of the dust cover and an outside of the dust cover.
Dependencies are inferred from the claim text.