Mechanical seal
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United States of America Patent
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-
Aug 2, 2022
Grant Date -
Jan 7, 2021
app pub date -
Mar 13, 2019
filing date -
Mar 23, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A mechanical seal capable of preventing charge accumulation on a rotary shaft includes a fixed sealing element which is held at an inner periphery of housing members of machines to be installed and has at least a fixed seal ring, and a rotating sealing element which is held at an outer periphery of a rotary shaft rotatably supported in the housing members and has at least a rotating seal ring. A conductive element is provided between the fixed sealing element 10 and the rotary shaft or a rotary shaft member fixed to the rotary shaft.
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