DEVICE FOR TURNING OF ROTOR UNIT BLADE AND ROTOR ASSEMBLY Russian patent published in 2020 - IPC F03B3/06 F03B3/14 F03B13/26 

Abstract RU 2730212 C2

FIELD: machine building.

SUBSTANCE: group of inventions relates to a device for turning a rotor assembly blade and a rotor assembly. Device for turning of rotor (30) blade (2) comprises annular rocker (4) attached to blade support journal (2) and installed on unit (30) with possibility of rotation, main servo motor, reversing servo motor, connecting rod (7). Main servomotor comprises first piston (51) reciprocating along shaft (31) of assembly (30) and connected to rocker arm (4) to provide first rotation of blade (2), carried out until piston (51) reaches dead zone position. Reversible servo motor comprises second piston (61) arranged to allow additional rotation of blade (2) from dead zone position. First end (71) of rod (7) is connected to piston (61), and second end (72) is fixed on balance arm (4) with eccentricity. Piston (61) has annular shape and is located coaxially with piston (51).

EFFECT: group of inventions is aimed at providing a simple and compact design of the device for turning the blade.

9 cl, 9 dwg

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RU 2 730 212 C2

Authors

Mathieu Alain

Pein Erwan

Dates

2020-08-19Published

2017-01-12Filed