RECIPROCATING SHAFT'S SEALING APPARATUS COMBINED A FERROFLUID SEAL WITH A C-SLIP-RING AND A YX-SEAL-RING
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United States of America Patent
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Issued Date -
Sep 8, 2011
app pub date -
Mar 4, 2011
filing date -
Mar 8, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A reciprocating shaft's sealing apparatus combined a ferrofluid seal with a C-slip-ring and a Yx-seal-ring, characterized in that the first O-ring (3), the first Yx-seal-ring (4) and the first C-slip-ring (5) are installed into the grooves of the first fixed base (2), respectively, the second O-ring (15), the second Yx-seal-ring (14) and the first C-slip-ring (13) are installed into the grooves of the second fixed base (16), respectively, the first fixed base, the first pole piece (7) installed with an O-ring, a magnet (10), the second pole piece (11) installed with an O-ring and the second fixed base are placed in series at the bottom of the charmer of the sealing base (1), the above parts are pressed tightly by the end cover by means of the bolts connected with the sealing base, and the ferrofluid is injected into the magnet before assembling. The apparatus solves the problem of leakage in the reciprocating type of compressors.
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