DEVICE FOR FINISHING NON-ABRASIVE ANTI-FRICTION TREATMENT OF CYLINDER LINERS FOR CARS AND TRACTORS Russian patent published in 2022 - IPC C23C26/00 

FIELD: construction and automotive equipment.

SUBSTANCE: invention can be used in the field of repair of engines of agricultural, construction and automotive equipment. A device for applying an antifriction layer on the friction surface of the cylinder liners of automobile and tractor engines contains a rubbing element 1, made in the form of a solid cylinder with chamfers at the ends, installed in the piston 2, which is a two-stage cylindrical shaft with a through hole in the center, a housing 3, representing a cylinder with a flat on the outer surface along the entire length, on the inner side of which there is a bottom with a hole for the piston stage 2 on the inside, on the other - an internal thread for the length of the stop 5, made with an external thread and a transverse groove on the end face on the outside , as well as spring 4 located between piston 2 and stop 5.

EFFECT: resource of the cylinder-piston group of the engine is increased.

1 cl, 5 dwg, 1 tbl