MECHANICAL SEAL AND FLOATING RING
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United States of America Patent
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app pub date -
Jul 23, 2015
filing date -
Jul 25, 2014
priority date (Note) -
Abandoned
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Abstract
A mechanical seal (100) that seals an annular gap between a rotating shaft (200) and a housing (300) includes: a rotating ring (110) which rotates with the rotating shaft (200); a stationary ring (120) which is fixed to the housing (300); and a floating ring (130) which is provided between the rotating ring (110) and the stationary ring (120) in an axial direction of the rotating shaft (200) and which has a sliding portion (131) that slides on the rotating ring (110). The mechanical seal (100) seals a sealed fluid via the sliding portion (131) of the floating ring (130) that slides on a sliding portion (111) of the rotating ring (110), and the sliding portion (131) has a plurality of carbon fibers and silicon carbide provided between the plurality of carbon fibers.
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