HYDRAULIC CYLINDER Russian patent published in 2016 - IPC F15B15/20 

FIELD: engines.

SUBSTANCE: hydraulic cylinder relates to displacement hydraulic motors designed for working fluid flow energy conversion into mechanical energy output link moving reciprocally. In hydraulic cylinder comprises piston with rod arranged in the housing to make working cavities, end covers, multiple-row rolling bearing piston and rod. Rolling elements of rolling contact bearings of the piston and Rod are made in the form of disc washers connected round closed arc axis and arranged in grooves arranged along the whole perimeter of the piston and hydraulic cylinder rod.

EFFECT: technical result is an increase of reliability and operability assurance for hydraulic cylinder.

1 cl, 3 dwg