Self-cleaning air filter
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United States of America Patent
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Apr 12, 2016
Grant Date -
Jun 25, 2015
app pub date -
Jan 15, 2015
filing date -
Sep 24, 2010
priority date (Note) -
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Abstract
An air cleaner assembly includes a housing having an outer wall defining an air flow inlet, an air flow outlet and a hollow interior section. The housing is openable for service access to the interior section. A serviceable and selectively removable filter cartridge is positioned in the housing. The filter cartridge includes filter media surrounding an open central interior. A pulse jet distribution arrangement communicates with the interior of the housing and includes a device configured to direct a pulse of compressed gas into the interior of the filter cartridge. An evacuation valve arrangement is mounted to the housing to receive ejected dust from the filter cartridge and direct the received ejected dust out of the housing. The valve arrangement includes a frame, a blocking element mounted for reciprocation in relation to the frame and a biasing element for urging the blocking element into a closed position.
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