Relief valve and a hose device for dust collectors, a dust collector and a method for operating a dust collector

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United States of America Patent

PATENT NO 11759067
SERIAL NO

17548399

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Abstract

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A hose device may include a flexible hose device body having a first end configured to be attached to a cyclone and a second end with a free opening. The hose device may also include a plurality of weights affixed between the first end and the second end. When subjected to suction forces from a vacuum of the cyclone, the second end may be sucked upwards such that the plurality of weights hingedly swing toward the first end and the hose device body is in a retracted configuration. When released from the suction forces of the cyclone, the plurality of weights hingedly swing away from the first end and the hose device body extends downwards into an extended configuration by the gravity forces acting upon the weights, in the absence of the suction forces, to expand a size of the free opening.

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Patent Owner(s)

  • HUSQVARNA AB

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mesinovic, Besim Gothenburg, SE 5 1

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