Seal Arrangement for Sealing a Reciprocating Piston Rod of a Piston Compressor
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United States of America Patent
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Issued Date -
May 29, 2014
app pub date -
Nov 25, 2013
filing date -
Nov 28, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
To reduce leakage of pressure medium in a seal arrangement (1) comprising two sealing elements (8) that are pressed by a sealing medium against the piston rod (3) and against a wall (11) of a recess (10), it is provided that the radially interiorly disposed circumferential surface (24) constitutes at least one of the sealing elements (8) from a sealing surface (12) and a tributary area (23), a second end face (21) that faces away from the axial end (11) of the recess (10) connecting to the sealing surface (12), and a rigid cover ring (9) being provided that is positioned at least in part radially against the radially exterior circumferential surface (25) of the sealing element (8) and at least in part axially against the second end face (21) of the sealing element (8).
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