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2 186 986

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C2

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IPC

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Application

2000108210/03, 2000-04-03

(24)

Start date

2000-04-03

(22)

Actual filing date

2000-04-03

(45)

Published

2002-08-10

(72)

Inventor

Alymenko D.N.D'Jakov S.P.Minin V.V.Alymenko N.I.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF REGULATING OF EJECTOR FAN Russian patent published in 2002 - IPC

Abstract RU 2186986 C2

FIELD: manufacture of fans; applicable in regulation of ejector fans in ventilation of sections of ventilation systems. SUBSTANCE: method is characterized by the fact that fan and mixing chamber are installed in mine working. Ejected air flow is supplied by fan to mixing chamber. Mixing chamber is installed coaxially to fan on side of its outlet, and air flows are regulated by installation of mixing chamber of various diameters. EFFECT: increased interval of variation of productivity and developed pressure of regulated ejector fans, provided regulation of nonregulated ejector fans. 1 dwg

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RU 2 186 986 C2

Authors

Alymenko D.N.

D'Jakov S.P.

Minin V.V.

Alymenko N.I.

Dates

2002-08-10—Published

2000-04-03—Filed

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