MULTIFUNCTIONAL UNIT FOR ULTRASONIC SOIL TREATMENT Russian patent published in 2021 - IPC A01B13/00 

FIELD: agricultural engineering.

SUBSTANCE: invention relates to the field of agricultural engineering, in particular to tillage machines for tillage. The multifunctional unit contains a working body - a slotter 5 with a gas-jet emitter 11. On the surface of the nose 19 of the slotter 5 at the level of the ultrasound working channel 16, a protrusion 20 and a groove 21 expanding against the direction of movement are made, with walls 22 located at an obtuse angle to the base 23. The protrusion 20 is located directly in front of the working channel 16 and creates a sliding body that protects the working channel 16.

EFFECT: unit will reduce clogging of the working ultrasound channel.

1 cl, 7 dwg