DOUBLE-ACTION HYDRAULIC CYLINDER WITH LARGE STROKES Russian patent published in 2002 - IPC

FIELD: hydraulic systems for different industry branches, particularly for submerged engineering objects. SUBSTANCE: hydraulic cylinder includes cylindrical housing with cover, piston with rod mounted with possibility of motion relative to cover and housing by full stroke value; sleeve arranged in housing with possibility of lengthwise motion for embracing piston and part of rod; limiters of stroke of sleeve and piston in the form of protrusions on inner surface of housing and sleeve. Sleeve is provided with support rigidly joined with sleeve and joined with rod with possibility of relative motion. Distance between supports of sleeve is equal to half of its length or more than it. EFFECT: enhanced operational characteristics. 4 cl, 5 dwg