METHOD FOR CLEANING MOTOR VEHICLE SURFACES
    2.
    发明公开

    公开(公告)号:US20240317184A1

    公开(公告)日:2024-09-26

    申请号:US18260946

    申请日:2022-01-26

    CPC classification number: B60S1/481 B60S1/50 B60S1/52

    Abstract: A method for cleaning motor vehicle surfaces with the aid of a cleaning device comprising a reservoir of cleaning liquid, at least one nozzle for spraying cleaning liquid, a fluid distribution circuit conveying cleaning liquid from the reservoir to the cleaning nozzle, and a pump injecting the cleaning liquid contained in the reservoir into the fluid distribution circuit, the fluid distribution circuit comprising a cleaning liquid distribution unit comprising a plurality of valves connected to the nozzle, the method comprising the following steps: starting the pump to inject the cleaning liquid into the distribution unit, opening a plurality of the valves connected to the nozzle depending on the desired pressure at the outlet of the nozzle, and spraying cleaning liquid from the nozzle onto a surface to be cleaned.

    METHOD FOR CONTROLLING A PUMP FOR CLEANING SENSORS OF A VEHICLE

    公开(公告)号:US20240217485A1

    公开(公告)日:2024-07-04

    申请号:US18553872

    申请日:2022-03-07

    Inventor: Denis THEBAULT

    CPC classification number: B60S1/481 B60S1/0818 B60S1/56

    Abstract: The invention relates to a method for controlling a cleaning pump for cleaning sensors of a vehicle, said control method comprising the steps of: receiving at least one request to clean at least one sensor of said vehicle, determining a flow rate of cleaning fluid as a function of said at least one cleaning request, adapting the supply voltage of said cleaning pump as a function of said flow rate of cleaning fluid by means of a pulse-width modulation signal so as to provide a predetermined pressure for said flow rate of cleaning fluid and to send said cleaning fluid at said pressure into a spray nozzle associated with said at least one sensor.

    CLEANING SYSTEM FOR A MOTOR VEHICLE
    4.
    发明公开

    公开(公告)号:US20230382352A1

    公开(公告)日:2023-11-30

    申请号:US18248533

    申请日:2021-09-24

    CPC classification number: B60S1/481 B60S1/50 B60S1/56 B60S1/52

    Abstract: The invention relates to a cleaning system suitable for being mounted on a motor vehicle and comprising at least one first and one second cleaning devices, each cleaning device comprising a cleaning liquid reservoir, at least one cleaning nozzle for spraying the cleaning liquid, a fluid distribution circuit arranged to convey cleaning liquid from the reservoir to the cleaning nozzle and a pump arranged to inject the cleaning liquid contained in the reservoir into the fluid distribution circuit, the cleaning system further comprising a bypass device connecting at least two cleaning devices by their respective fluid distribution circuits, comprising a backup line and a solenoid valve placed on the backup line, controlled as a function of the failure state of a pump, and arranged to supply the cleaning nozzle of one cleaning device from the reservoir of another cleaning device, each cleaning device comprising a non-return member between its reservoir and a point of connection to the bypass device.

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