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2 537 351

(13)

(51)

IPC

B63H11/00(2006-01-01)

(21) (22)

Application

2013121166/11, 2013-05-07

(24)

Start date

2013-05-07

(22)

Actual filing date

2013-05-07

(45)

Published

2015-01-10

(72)

Inventor

Aleksandrov Stanislav Anatol'EvichKanevskij Grigorij Il'IchKaprantsev Sergej VjacheslavovichPustoshnyj Aleksandr Vladimirovich

(73)

Holder

Rossijskaja Federatsija, Ot Imeni Kotoroj Vystupaet Ministerstvo Promyshlennosti I Torgovli Rossijskoj Federatsii

LIGHT-LOADED WATER-JET PROPELLER Russian patent published in 2015 - IPC B63H11/00

Abstract RU 2537351 C2

FIELD: transport.

SUBSTANCE: light-loaded water-jet propeller consists of impeller, straightener blades, water conduit and central body projecting forward and backward from water conduit. Water conduit represents ring with section chord length less or equal to impeller diameter. Inner surface of water conduit is made cylindrical and tapered. Central body diameter is variable along its length and has maximum value at aft section of water conduit.

EFFECT: design simplification, higher efficiency, higher ecological cleanness and manufacturability of propeller, reduced power intake of main engine.

2 cl, 3 dwg

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RU 2 537 351 C2

Authors

Aleksandrov Stanislav Anatol'Evich

Kanevskij Grigorij Il'Ich

Kaprantsev Sergej Vjacheslavovich

Pustoshnyj Aleksandr Vladimirovich

Dates

2015-01-10—Published

2013-05-07—Filed