US 12,269,440 B2
Cleaning device, cleaning device system and vehicle with a sensoric system including at least a sensor for automated driving and method of spray cleaning of a sensor surface with the cleaning device
Ganesamoorthy Arumugam, Chennai (IN); PrasadKumar Duraisamy, Chennai (IN); and Archishmaan Vishwanathan, Chennai (IN)
Assigned to ZF CV Systems Global GmbH, Bern (CH)
Filed by ZF CV Systems Global GmbH, Bern (CH)
Filed on Feb. 14, 2023, as Appl. No. 18/168,897.
Application 18/168,897 is a continuation of application No. PCT/EP2021/070921, filed on Jul. 27, 2021.
Claims priority of application No. 202041035056 (IN), filed on Aug. 14, 2020.
Prior Publication US 2023/0192038 A1, Jun. 22, 2023
Int. Cl. B60S 1/56 (2006.01); B01F 23/213 (2022.01); B01F 25/312 (2022.01); B05B 7/04 (2006.01); B60S 1/50 (2006.01); B60S 1/52 (2006.01); B01F 101/24 (2022.01)
CPC B60S 1/56 (2013.01) [B01F 23/21321 (2022.01); B01F 25/3124 (2022.01); B05B 7/0483 (2013.01); B60S 1/50 (2013.01); B60S 1/52 (2013.01); B01F 2101/24 (2022.01)] 20 Claims
OG exemplary drawing
 
1. A cleaning device adapted for spray cleaning of a sensor surface, the cleaning device comprising:
a spray-body having a spray-nozzle and a body-housing;
said body-housing having a liquid fluid inlet and a pressurized air inlet;
a liquid fluid connection connected to said liquid fluid inlet and a pressurized air fluid connection connected to said pressurized air inlet so as to induce suction pressure at said liquid fluid connection upon providing pressurized air flow from said pressurized air inlet to said spray-nozzle;
a hydraulic flow path defining a liquid fluid duct and being connected to said liquid fluid connection;
a liquid reservoir;
a hydraulic valve arranged in said liquid fluid duct and being configured for selectively controlling supplying liquid fluid from said liquid reservoir to said liquid fluid inlet;
a pneumatic flow path connected to said pressurized air fluid connection;
said pneumatic flow path defining a pressurized air fluid duct;
a pressurizer for providing pressurized air;
a pneumatic valve arranged in said pressurized air fluid duct and being configured to selectively control supplying pressurized air fluid from said pressurizer;
said spray-nozzle being configured to spray the liquid fluid and the pressurized air fluid as a mixture in an aerosol jet from said spray-nozzle when supplied to said spray-nozzle by said liquid fluid connection and said pressurized air fluid connection; and,
wherein said spray-nozzle includes a spray set-up assembly defining an air cap and a liquid cap; said spray set-up assembly is pressure-tightly connected to said body-housing for defining a spray-path therethrough; and, the spray set-up assembly is distally secured by a retainer ring.