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Segmented packing ring

A seal ring, segmented technology, applied in the direction of engine seals, mechanical equipment, engine components, etc., can solve the problems of no seal ring service life, replacement and other problems, and achieve the effect of avoiding weakening

Inactive Publication Date: 2010-08-04
HOERBIGER KOMPRESSORTECHNIK HLDG GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But since the actual wear cannot be seen from the outside, the seal must be checked regularly, which in most cases leads to (premature) replacement of the seal ring
Therefore the service life of the seal ring may not be optimally utilized

Method used

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Embodiment Construction

[0020] according to figure 2 with 3 The perspective view of the segmented sealing ring 20 according to the invention shows the sealing ring 20 from two different sides. The sealing ring 20 comprises various ring-segment-shaped segments which together form the sealing ring 20 . The sealing rings here are each formed by two first sealing segments 21 , two second sealing segments 22 and two support segments 23 . However, the sealing ring 20 can also be designed with more than two respective segments 21 , 22 , 23 . The second sealing segments 22 and the support segments 23 bear against one another in the circumferential direction on their circumferential end faces 25 , 26 , wherein the support segments 23 and the second seal segments are arranged alternately against one another. The first section 21 bears axially against the second sealing section 22 and the bearing section 23 . In addition, an axial protrusion 24 is respectively arranged on each second sealing segment 22 , a...

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Abstract

A segmented packing ring 20 includes a number of first sealing segments 21, a number of second sealing segments 22, and a number of support segments 23, the support segments 23 and the second sealing segments 22 being arranged in an alternating successively abutting manner in the circumferential direction, and the first sealing segments 21 being arranged in a manner axially abutting the second sealing segments 22 and the support segments 23, and including a nose 24 extending axially on the second sealing segments 22, which is arranged in the circumferential direction between two adjacent first sealing segments 21.

Description

technical field [0001] The invention relates to a segmented sealing ring, a pressure seal and a sealing device. Background technique [0002] Piston compressors, especially those of double-acting construction, require sealing along the reciprocating piston rod 5 . Such sealing is usually achieved against the (low) ambient pressure pu prevailing in the crankcase. The sealing elements used in such a sealing device 4 are called sealing rings 6, 7 and are arranged in a pressure seal 2 which usually consists of a certain number of sealing rings 6, 7, as in the conventional configuration in Fig. 1 As shown by example. The sealing elements here follow the unavoidable transverse movement of the piston rod 5 without losing their sealing effect. In order to increase the service life and reliability of the pressure seal 2, a plurality of such sealing rings 6, 7 are connected in series. The sealing rings 6 , 7 can here be arranged in the pressure seal 2 in a cavity disk 10 . In ord...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/18
CPCF16J15/26
Inventor C·霍尔德T·林德纳-西尔韦斯特A·扬德尔
Owner HOERBIGER KOMPRESSORTECHNIK HLDG GMBH
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