Engine air pre cleaner evacuation system for work machine
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United States of America Patent
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Jul 17, 2018
Grant Date -
Jun 23, 2016
app pub date -
Dec 18, 2015
filing date -
Dec 19, 2014
priority date (Note) -
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Abstract
A work machine with an internal combustion engine is provided with an air inlet for receiving combustion air, wherein an air pre-cleaner is mounted in the inlet, a radiator, a cooling air fan and a debris removal means, configured to remove debris from a flow of air produced by the cooling air fan through the radiator, the removal means comprising a screen for collecting the debris, and an aspirator for aspirating the debris away from the screen, and a venturi element mounted downstream of the aspirator, and having an inlet portion, a throat portion and an outlet portion, wherein a duct is mounted between the engine air pre-cleaner and the throat portion, so that particles removed by the pre-cleaner flow towards the throat portion, and out through the outlet portion of the venturi element, together with the aspirated debris.
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