To provide an on-vehicle sensor washing device which makes it possible to restrain increase in excessive pressure within a flow passage.SOLUTION: An on-vehicle sensor washing device 20 comprises a nozzle unit 21 which includes flow passages P1, P2 introducing fluid supplied to an introduction port to an injection tip 32a and washes an optical surface 11 of an on-vehicle sensor 10 by injecting air from the injection tip 32a to the optical surface 11. A pressure suppression part 61 which restrains pressure within the flow passages P1, P2 from exceeding preset value is provided in the flow passages P1, P2.SELECTED DRAWING: Figure 4
【課題】流路内の過度な圧力の上昇を抑制可能とした車載センサ洗浄装置を提供すること。【解決手段】車載センサ洗浄装置20は、導入口に供給された流体を噴射口32aに導く流路P1,P2を有したノズルユニット21を備え、車載センサ10の光学面11に噴射口32aから空気を噴射して光学面11を洗浄する。流路P1,P2には、該流路P1,P2内の圧力が予め設定された値を超えることを抑制する圧力抑制部61が設けられる。【選択図】図4
ON-VEHICLE SENSOR WASHING DEVICE
車載センサ洗浄装置
2021-02-04
Patent
Electronic Resource
Japanese
IPC: | B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen |
ON-VEHICLE OPTICAL SENSOR WASHING DEVICE AND ON-VEHICLE OPTICAL SENSOR WASHING NOZZLE
European Patent Office | 2017
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