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2 061 908

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IPC

(21) (22)

Application

93050931/06, 1993-11-10

(22)

Actual filing date

1993-11-10

(45)

Published

1996-06-10

(72)

Inventor

Lavrik V.G.Savvateev A.P.Stekol'Shchikov G.G.Agushev V.A.Kutaev V.I.Makarov V.N.

(73)

Holder

Nauchno-Issledovatel'Skoe, Ispytatel'Noe I Proektnoe Predprijatie Ventiljatorostroenija

SAFETY LOCK FOR GAS DRAWING FAN Russian patent published in 1996 - IPC

Abstract RU 2061908 C1

FIELD: fan engineering. SUBSTANCE: lock has housing provided with cams and stop. The housing is mounted on the shaft of the fan between the casing of the fan and bearing unit and provided with blades uniformly arranged from the side of the fan casing. The blades form an impeller. The housing is provided with a ring protecting projection from the side of the bearing unit. The cams are made of a material having decreased spark formation. EFFECT: enhanced reliability. 2 dwg

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RU 2 061 908 C1

Authors

Lavrik V.G.

Savvateev A.P.

Stekol'Shchikov G.G.

Agushev V.A.

Kutaev V.I.

Makarov V.N.

Dates

1996-06-10—Published

1993-11-10—Filed