HYDRAULIC DISTRIBUTOR OF MOBILE MACHINE

摘要

FIELD: agricultural engineering; mobile agricultural machines equipped with hydraulic systems. SUBSTANCE: hydraulic distributor has safety overflow section and working sections each of which has housing and spool valve with chambers and holes for flows of users control passage provided with inlet and outlet holes, spool valve relief member which is made in form of two coaxial passages passing through center of spool valve; inlets of relief member are connected with inlet hole of control passage. EFFECT: enhanced reliability of spool valve operation due to avoidance of seizure in shifting from neutral position. 2 cl, 3 dwg