PRESSURE CONTROL TWO-STAGE ELECTROHYDRAULIC MECHANISM Russian patent published in 2012 - IPC F15B13/43 F16H61/06 

Abstract RU 2459982 C2

FIELD: machine building.

SUBSTANCE: proposed mechanism comprises pilot stage made up of electrohydraulic proportioning valve electrically connected to control unit, main stage made up of three-line restricting slide multiposition hydraulic control valve and element indicating filling of throw-in friction-clutch hydraulic cylinder. Main stage and pilot stage attached to main valve body joint surface are integrated in single unit. Said indicator is structurally separated from main stage. Main stage body hydraulic chambers are arranged on the side of its joint to controlled structure and geometrically defined by combination of planes and cylindrical surfaces. Said chambers are produced by machining to feature box shape. Aforesaid indicator is made up of one or several elements, i.e. pressure gage, working fluid flow valve, or flow rate meter, friction-clutch drive and drive part rpm transducers.

EFFECT: higher reliability.

7 cl, 9 dwg

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RU 2 459 982 C2

Authors

Tarasik Vladimir Petrovich

Gorbatenko Nikolaj Nikolaevich

Dychkin Ivan Mikhajlovich

Pljakin Roman Vladimirovich

Kurstak Vladislav Iosifovich

Puzanova Ol'Ga Vladimirovna

Egorov Aleksandr Nikolaevich

Reginja Vladimir Vladislavovich

Tereshonok Sergej Mikhajlovich

Dates

2012-08-27Published

2010-11-30Filed