Hydraulic transaxle
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United States of America Patent
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-
Sep 13, 2022
Grant Date -
Mar 25, 2021
app pub date -
Dec 7, 2020
filing date -
Jul 5, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A transaxle casing has a fluid sump having a gear top cover, an HST, a reduction gear train and at least one axle disposed in the transaxle casing. The gear top cover accommodates a part of a rotation portion of the reduction gear train. An air supply and exhaust hole is disposed on an upper surface of the gear top cover facing an air sump and is arranged at a position different from a point above a bevel gear. A breather is attached at the air supply and exhaust hole, and a first inner wall extending downward from the upper surface of the upper casing member, is positioned between the part of the bevel gear and the air supply and exhaust hole.
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