US 12,343,772 B2
Air housing apparatus for protecting lens of vehicle-installed optical device
Kyoung Won Min, Seongnam-si (KR); Haeng Seon Son, Seongnam-si (KR); Seon Young Lee, Seoul (KR); and Young Bo Shim, Seongnam-si (KR)
Assigned to KOREA ELECTRONICS TECHNOLOGY INSTITUTE, Seongnam-si (KR)
Appl. No. 17/623,065
Filed by Korea Electronics Technology Institute, Seongnam-si (KR)
PCT Filed Mar. 31, 2021, PCT No. PCT/KR2021/003966
§ 371(c)(1), (2) Date Dec. 27, 2021,
PCT Pub. No. WO2021/201583, PCT Pub. Date Oct. 7, 2021.
Claims priority of application No. 10-2020-0039772 (KR), filed on Apr. 1, 2020.
Prior Publication US 2022/0266314 A1, Aug. 25, 2022
Int. Cl. B08B 5/02 (2006.01); B60S 1/56 (2006.01); G02B 27/00 (2006.01); G01S 7/497 (2006.01)
CPC B08B 5/02 (2013.01) [B60S 1/56 (2013.01); G02B 27/0006 (2013.01); G01S 2007/4977 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An air housing apparatus comprising:
a cover configured to allow high-pressure air to be injected therethrough;
an air guide configured to spray the high-pressure air toward a front surface of a lens; and
an air housing provided to connect the cover and the air guide, and to deliver the high-pressure air supplied from the cover to the air guide,
wherein the air housing comprises a housing passage provided therein and extended in a longitudinal transfer direction to provide a transfer path of air to be transferred, and
wherein the housing passage is formed to have an air passage in a straight line with a diameter gradually decreasing along the longitudinal transfer direction from a starting portion up to an ending portion of the housing passage to increase a flow velocity of the transferred air.