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2 709 865

(13)

(51)

IPC

B63H1/15(2006-01-01)

B63H1/26(2006-01-01)

(21) (22)

Application

2019113630, 2019-04-30

(24)

Start date

2019-04-30

(22)

Actual filing date

2019-04-30

(45)

Published

2019-12-24

(72)

Inventor

Lysenko Aleksandr PetrovichLyubomirov Yaroslav MstislavovichYartsev Boris Aleksandrovich

(73)

Holder

Federalnoe Gosudarstvennoe Unitarnoe Predpriyatie Gosudarstvennyj Nauchnyj Tsentr"

PROPELLER COMPOSITE BLADE Russian patent published in 2019 - IPC B63H1/15 B63H1/26

Abstract RU 2709865 C1

FIELD: shipbuilding.

SUBSTANCE: invention relates to shipbuilding, namely, to propeller composite blade structure. Composite blade propeller includes core from carbon-fiber plastic, layer of viscoelastic material and external power shell from carbon-fiber plastic. Layer of viscoelastic material covers the entire blade surface with thickness equal to 3–7 thicknesses of carbon fiber layer formed during hardening of composite blade.

EFFECT: reduced vibration levels and noise of propulsor.

3 cl, 3 dwg, 1 tbl

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RU 2 709 865 C1

Authors

Lysenko Aleksandr Petrovich

Lyubomirov Yaroslav Mstislavovich

Yartsev Boris Aleksandrovich

Dates

2019-12-24—Published

2019-04-30—Filed