Gear Box Grease Seal System
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United States of America Patent
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Issued Date -
Jan 21, 2016
app pub date -
Jul 17, 2014
filing date -
Jul 17, 2014
priority date (Note) -
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Abstract
A gear box housing has a hollow interior configured to contain a gear train. The gear train has a shaft extending from the housing hollow interior though an opening. The housing has a sump in the housing hollow interior for lubricating oil used for lubricating at least some portions of the gear train. A grease seal adjacent to the opening of housing is configured to seal around the shaft. The grease seal has a fill line that extends from an injection port located exterior of the housing, through a structural member of housing into the interior of the housing, and through the oil sump to the grease seal. The grease seal has a discharge line that extends from the grease seal, through the oil sump, and through a structural member of the housing to the exterior of the housing to a discharge port located exterior of the housing.
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