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2 022 179

(13)

C1

(51)

IPC

(21) (22)

Application

4925181/06, 1991-02-07

(22)

Actual filing date

1991-02-07

(45)

Published

1994-10-30

(72)

Inventor

Danilova L.A.Kapitanov V.I.Mart'Janov Eh.V.Patrin Ju.V.

(73)

Holder

Leningradskoe Nauchno-Proizvodstvennoe Ob"Edinenie Khimicheskogo Mashinostroenija

FAN Russian patent published in 1994 - IPC

Abstract RU 2022179 C1

FIELD: manufacture of fans; blowers of self-contained air supply systems. SUBSTANCE: mounted in housing 1 of fan is impeller 2 with drive electric motor 3 connected to power supply sources 4 which are located in unit 5 (mounted on housing 1) symmetrically relative to axis 1 - 1 of the housing and are enclosed in interchangeable holders 6 mounted in unit 5 consisting, for example, of two identical chambers 8. EFFECT: enhanced efficiency. 3 cl, 3 dwg

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RU 2 022 179 C1

Authors

Danilova L.A.

Kapitanov V.I.

Mart'Janov Eh.V.

Patrin Ju.V.

Dates

1994-10-30—Published

1991-02-07—Filed

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