US 11,789,145 B2
Method and apparatus for detecting at least partial flooding of a motor vehicle
Jesse Sharp, Caulfield North (AU)
Assigned to ROBERT BOSCH GMBH, Stuttgart (DE)
Appl. No. 17/621,768
Filed by Robert Bosch GmbH, Stuttgart (DE)
PCT Filed Jun. 9, 2020, PCT No. PCT/EP2020/065954
§ 371(c)(1), (2) Date Dec. 22, 2021,
PCT Pub. No. WO2021/018451, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 10 2019 211 188.2 (DE), filed on Jul. 26, 2019.
Prior Publication US 2022/0357444 A1, Nov. 10, 2022
Int. Cl. G01S 15/88 (2006.01); B60Q 9/00 (2006.01); B60R 21/01 (2006.01); B60R 21/00 (2006.01)
CPC G01S 15/88 (2013.01) [B60Q 9/00 (2013.01); B60R 21/01 (2013.01); B60R 2021/0016 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A device for detecting an at least partial flooding of a motor vehicle, comprising:
an ultrasonic sensor configured to transmit and to receive ultrasonic signals; and
an electronic recognition device configured to recognize a flooding of the ultrasonic sensor based on at least one ultrasonic signal received by the ultrasonic sensor, wherein the recognition device is configured to determine an amplitude of at least one ultrasonic signal received within a defined time window to compare the amplitude to a defined threshold value, and, as a function of a result of the comparison, to detect the flooding of the ultrasonic sensor.