WET CLEANING DEVICE AND CLEANING HEAD Russian patent published in 2024 - IPC A47L9/06 

FIELD: hygiene.

SUBSTANCE: disclosed is a wet cleaning device (278) comprising cleaning head (100). Cleaning head has at least one dirt inlet (142A) and porous material (168) comprising a layer of porous material, sealed to said at least one dirt inlet. Device for wet cleaning also includes unit (280) of low pressure generator, containing low pressure generator (178), which has outlet hole. Reduced pressure generator is made with possibility of actuation to provide flow from at least one dirt inlet to the outlet of the low pressure generator and through it and with possibility of shutting down to stop the flow. Low-pressure generator assembly is configured to limit the passage of fluid from the outlet of the low-pressure generator to said at least one dirt inlet when the low pressure generator is switched off. According to another aspect, the cleaning head includes a valve assembly, configured to limit backflow towards the porous material layer sealed to the dirt inlet(s).

EFFECT: high efficiency of using the cleaning liquid, as well as eliminating the risk that poorly controlled supply of the cleaning liquid during or even after use will lead to soaking of the environment with the cleaning liquid.

18 cl, 57 dwg, 9 tbl