# US 10,767,831 B2 · Motor vehicle headlight air extractor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,767,831 B2 - Document ID: US10767831B2 - Status: Granted - Kind: B2 - Application number: 16/434,378 - Filed: 2019-06-07 - Published: 2019-12-12 - Granted: 2020-09-08 - Earliest claimed: 2018-06-08 - Assignees: Valeo Vision - Applicants: Valeo Vision - Inventors: Thibaut Menn - Web page: https://patentgrep.com/patent/US10767831B2 ## CPC - F21S 45/33: specially adapted for headlamps - F21S 45/43: using gas - F21S 45/49: Attachment of the cooling means - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS ## Abstract A vehicle headlight air extractor includes an air inlet and an air outlet, a ventilation chamber disposed between the air inlet and the air outlet of the air extractor, the ventilation chamber includes a fan adapted to produce a flow of air from the air inlet to the air outlet, and a sealing system against external particles. ## Claims ### Claim 1 A vehicle headlight air extractor comprising: an air inlet and an air outlet; a ventilation chamber disposed between the air inlet and the air outlet of the air extractor, the ventilation chamber including a fan adapted to produce a flow of air from the air inlet to the air outlet; a sealing system against external particles; and an air guide which enables fluid communication between the air inlet and an inlet of the ventilation chamber, wherein the air guide includes a first wall and a second wall, the air inlet being defined in part by the first wall, and the second wall facing the inlet of the ventilation chamber, wherein the sealing system includes a seal abutting the air guide, and wherein the sealing system seals the air inlet and the inlet of the ventilation chamber inside a headlight. ### Claim 2 (depends on 1) The air extractor according to claim 1, wherein the sealing system against external particles includes at least one blocking means designed to assume: an open position allowing fluidic communication between the air outlet and the air inlet; and a closed position for preventing at least the passage of the external particles between the air outlet and the air inlet. ### Claim 3 (depends on 2) The air extractor according to claim 2, further comprising a control device of the at least one blocking means. ### Claim 4 (depends on 2) The air extractor according to claim 2, wherein the at least one blocking means is arranged in at least one of the air outlet or the air inlet. ### Claim 5 (depends on 2) The air extractor according to claim 2, wherein the at least one blocking means is mobile between the open position and the closed position by movement in rotation about an axis or by movement in translation. ### Claim 6 (depends on 1) The air extractor according to claim 1, wherein the sealing system against external particles includes, between the ventilation chamber and the air outlet, a channel having a bend. ### Claim 7 (depends on 6) The air extractor according to claim 6, wherein the channel has a slope when the air extractor is integrated into the headlight for evacuating liquid to the air outlet. ### Claim 8 (depends on 6) The air extractor according to claim 6, wherein the air outlet includes a grille. ### Claim 9 (depends on 1) A vehicle headlight comprising an air extractor according to claim 1. ### Claim 10 (depends on 9) The vehicle headlight according to claim 9, further including a headlight air inlet. ### Claim 11 (depends on 9) The vehicle headlight according to claim 9, wherein the air extractor is arranged on at least one of an upper or a rear part of the headlight. ### Claim 12 (depends on 9) The vehicle headlight according to claim 9, wherein the air inlet is arranged on at least one of a lower or a front part of the headlight. ### Claim 13 (depends on 9) The vehicle headlight according to claim 9, wherein the air extractor is removably fixed to the headlight. ### Claim 14 (depends on 9) The vehicle headlight according to claim 9, further including at least one optical module including at least one electronic component and at least one system for cooling the electronic component, the cooling system including only a system for cooling by conduction. ### Claim 15 (depends on 1) A method of controlling a headlight air extractor according to claim 1, the air extractor including a mobile blocking means, the method comprising: activating the fan; and opening the blocking means. ### Claim 16 (depends on 3) The air extractor according to claim 3, wherein the at least one blocking means is arranged in at least one of the air outlet or the air inlet. ### Claim 17 (depends on 3) The air according claim 3, wherein the at least one blocking means is mobile between the open position and the closed position by movement in rotation about an axis or by movement in translation. ### Claim 18 (depends on 7) The air according to claim 7, wherein the air outlet includes a grille. ### Claim 19 (depends on 10) The vehicle headlight according to claim 10, wherein the headlight air inlet includes an air filter.