SHIPBOARD PROPELLER Russian patent published in 1997 - IPC

Abstract RU 2090440 C1

FIELD: shipbuilding; shipboard propellers. SUBSTANCE: suction surfaces of propeller blades (inlet sections) are provided with bulbs having step to main surface of blade at end of bulb whose thickness is equal to 2-5 thickness of main portion of blade and width is equal to 0.05-0.2 of average width of blade. EFFECT: avoidance of propeller blade cavitation. 3 dwg

Similar patents RU2090440C1

Title	Year	Author	Number
SHIPBOARD PROPELLER	1994	Rubinov Vladimir Jul'Evich	RU2094304C1
CENTRIFUGAL FAN	1993	Rubinov Vladimir Jul'Evich	RU2061188C1
WORKING WHEEL OF AXIAL COMPRESSOR	1993	Rubinov Vladimir Jul'Evich	RU2050474C1
ICEBREAKER PROPELLER SCREW BLADE	2013	Bagaev Dmitrij Vladimirovich Rudnichenko Aleksej Andreevich Chalov Sergej Andreevich	RU2540684C1
PROPELLER SCREW	2013	Slavgorodskaja Aleksandra Vladimirovna Lapshin Andrej Viktorovich Bogaevskij Andrej Igorevich Kitaev Maksim Vladimirovich Molokov Konstantin Aleksandrovich Nemkin Dmitrij Viktorovich	RU2539870C1
BLADE PROPELLER SYSTEM	2007	Togunjats Anatolij Radislovovich Vishnevskij Leonid Iosifovich	RU2362706C2
SHIP PROPULSOR	2009	Paletskikh Vladimir Mikhajlovich	RU2438917C2
DEVICE FOR IMPROVING HYDRODYNAMIC CHARACTERISTICS OF PROPELLER (VERSIONS)	2004	Pashukov Evgenij Borisovich	RU2281879C2
SHIP PROPELLER	2019	Bushkovskij Vladimir Aleksandrovich Marinich Nikolaj Vladimirovich Egorov Yurij Aleksandrovich Koval Anastasiya Aleksandrovna	RU2727788C1
SHIP'S AFT EXTREMITY	1992	Anchikov S.L. Volnushkin A.A. Danilov E.V. Kulikov S.V. Skopp A.S. Togunjats A.R.	RU2077445C1

RU 2 090 440 C1

Authors

Rubinov Vladimir Jul'Evich

Dates

1997-09-20—Published

1994-08-18—Filed