CENTRIFUGAL FAN WHEEL BLADE Russian patent published in 1994 - IPC

Abstract RU 2015421 C1

FIELD: fans. SUBSTANCE: blade is made with impermeable sections and a porous section which is located in the central part of the blade and has a volumetric porosity coefficient equal to 45-50%, and its area is larger than that of the impermeable sections by a factor of 3-5. EFFECT: improved structure. 3 dwg

Similar patents RU2015421C1

Title	Year	Author	Number
LOW-NOISE AXIAL FAN IMPELLER BLADE	2021	Kholodnikov Iurii Vasilevich Smetanin Sergei Vladimirovich Zamaraev Sergei Iurevich	RU2763630C1
COMPRESSOR FAN STAGE (VERSIONS)	2005	Ivanov Oleg Ivanovich Mileshin Viktor Ivanovich	RU2294461C1
CROSS-FLOW FAN	2001	Burkov A.I. Roshchin O.P. Isupov V.I. Efremov D.F. Kutjukov A.M.	RU2204057C1
TURBO-MACHINE STAGE	1998	Gasilin S.S. Gritsenko E.A. Klimnjuk Ju.I. Lazorenko T.M. Fedorchenko D.G.	RU2148732C1
FAN	1995	Gorelov G.M. Reznik V.E. Mikhajlov S.V.	RU2133382C1
AXIAL FAN	0	Dzidziguri Archil Amvrosievich Macharashvili Sergej Vasilevich Chichinadze Tejmuraz Chitoevich	SU568748A1
CROSS-FLOW FAN	2003	Sychugov N.P. Zholobov N.V. Korneev S.V.	RU2235220C1
CENTRIFUGAL FAN	2002	Karadzhi V.G. Moskovko Ju.G.	RU2215195C1
FAN	0	Babak Grigorij Alekseevich Ulrikh Yakov Yakovlevich Makarov Vladimir Nikolaevich	SU981696A1
CENTRIFUGAL CRUSHER	1996	Abrosimov V.M. Denisov V.A. Kartashov S.G. Klychev E.M. Korotkov O.N. Pejros V.F.	RU2129466C1

RU 2 015 421 C1

Authors

Egorov E.E.

Zorin V.A.

Mazin L.B.

Strel'Tsov V.A.

Staroskol'Skaja V.A.

Dates

1994-06-30—Published

1991-06-28—Filed