SEALED FILL CAP ASSEMBLY
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United States of America Patent
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Issued Date -
Jan 15, 2015
app pub date -
Jan 10, 2014
filing date -
Jul 11, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A fill cap assembly for a transmission is provided. In one form, the fill cap assembly includes a first part and a second part, each defining a cavity therein. A flexible membrane is disposed between the first and second parts and separates the cavities of the first and second parts. The cavities are sealed from each other by the membrane. The cavity of the first part is configured to be in fluid communication with the inside of the transmission. When pressure rises in the transmission, the flexible membrane expands into the cavity of the second part. When pressure sinks in the transmission, the membrane collapses partially into the cavity of the first part, thus expanding out of and/or away from the cavity of the second part.
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