ELECTRO-HYDRAULIC TRACKING DRIVE Russian patent published in 2007 - IPC F15B9/03 F15B3/00 

FIELD: systems for controlling working organs of various machines under conditions of limited power consumption.

SUBSTANCE: electro-hydraulic tracking drive contains hydro-engine, pump, reduction valve, two-cascade hydro-amplifier with controllable throttle of first cascade and distributor of second cascade, power limiter, compensation-pressing device, feeding valves and hydro-engine movement sensor, rack-and-pinion drive, electromechanical transformer of first cascade throttle control, connected to second cascade distributor, made with control chambers with effective areas, ratio of which is 1,85÷1,95.

EFFECT: increased efficiency, simplified manufacturing and maintenance, expanded range of frequencies, improved dynamic characteristics - stability resource and quality of transient process.

5 cl, 5 dwg