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Application filed by Закрытое Акционерное Общество "Стройгидравлика"filedCriticalЗакрытое Акционерное Общество "Стройгидравлика"
Priority to UAU200806644UpriorityCriticalpatent/UA38053U/en
Publication of UA38053UpublicationCriticalpatent/UA38053U/en
A hydraulic control block has a spring-loaded slide relief hydraulic valve with inlet channel connected by hydraulic line through permanent throttle to one of end cavities of the hydraulic valve, spring-loaded sleeve valves with changeable throttles formed by surfaces of working body lands and working spool lands where two-side dead axial cuts are provided, and safety valve. Spring-loaded sleeve valves with changeable throttles include additional spring-loaded servo stems with end cavities. At that the inlets of the servo stems are connected to outputs of changeable throttles, and the outputs of servo stems are connected to inputs of the elements OR and to spring-loaded end cavities of servo stems. The other end cavities of the servo stems are connected to inlet channel of relief hydraulic valve.
UAU200806644U2008-05-152008-05-15Hydraulic control block
UA38053U
(en)