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(19)

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1 840 177

(13)

(51)

IPC

B64C13/36(2006-01-01)

(21) (22)

Application

2248161/11, 1978-12-11

(22)

Actual filing date

1978-12-11

(45)

Published

2006-06-27

(72)

Inventor

Kuprijanov Fedor FedorovichParmenov Jurij AlekseevichPopov Aleksandr DanilovichShapkov Vjacheslav IvanovichRostokin Konstantin Petrovich

ELECTROHYDRAULIC SERVO UNIT OF FLYING VEHICLE WING LEADING EDGE CONTROL SYSTEM Russian patent published in 2006 - IPC B64C13/36

Abstract SU 1840177 A1

FIELD: aeronautical engineering.

SUBSTANCE: proposed servo unit has body, electrohydraulic booster connected with pressure line of hydraulic system through filter and electrohydraulic valve for cutting-in hydraulic supply system; it is also connected with cavities of hydraulic cylinder connected with output bell crank and feedback sensor by means of rod. Hydraulic cylinder has two chambers; its second chamber is connected with delivery and return lines of second hydraulic system by means of electrically-operated valve. Rod is provided with bead engageable with spring returning the rod to stop.

EFFECT: enhanced reliability.

1 dwg

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SU 1 840 177 A1

Authors

Kuprijanov Fedor Fedorovich

Parmenov Jurij Alekseevich

Popov Aleksandr Danilovich

Shapkov Vjacheslav Ivanovich

Rostokin Konstantin Petrovich

Dates

2006-06-27—Published

1978-12-11—Filed