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Sealing device and sealing element

A technology for sealing devices and sealing components, which is applied to engine components, engine seals, mechanical equipment, etc., and can solve problems such as the loss of the sealing effect that cannot be detected

Pending Publication Date: 2022-07-08
CARL FREUDENBERG KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

without detecting the loss of sealing action due to settling behavior

Method used

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  • Sealing device and sealing element
  • Sealing device and sealing element
  • Sealing device and sealing element

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] The figures show a sealing device 1 with a first machine element 2 and a second machine element 3 which define a gap 4 . In this design, the first machine element 2 is the housing, and the second machine element 3 is a rod that moves in translation relative to the first machine element 2 .

[0031] In an alternative design, the sealing device 1 is arranged in the valve seat screening section. Here, the first machine element 2 is the housing and the second machine element 3 is the valve stem.

[0032] A sealing element 5 is arranged in the gap 4 . Here, the sealing element 5 separates the space to be sealed from the surrounding environment. The medium to be sealed, eg lubricating oil, is present in the space to be sealed. In principle, other designs of the sealing device with alternative designs of the first machine element 2 , the second machine element 3 and the sealing element 5 are also conceivable.

[0033]In order to accommodate the sealing element 5 , an accom...

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PUM

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Abstract

The invention relates to a sealing device (1), comprising a first machine element (2) and a second machine element (3), which define a gap (4) in which a sealing element (5) is arranged, which bears sealingly against the second machine element (3) under the action of an elastic preload force, according to the invention, the sealing element (5) has a first section (13) and a second section (14), and the first section (13) is in contact with the medium to be sealed, at least one sensor (7) is associated with the sealing element (5), said sensor detecting the pressing of the sealing element (5), said sensor (7) being associated with the second section (14).

Description

technical field [0001] The invention relates to a sealing device comprising a first machine element and a second machine element, which define a gap, wherein a sealing element is arranged in the gap, the sealing element being With elastic preloading, the sealing element rests sealingly against the second machine element, which has a first section and a second section, the first section being in contact with the medium to be sealed. Background technique [0002] Seals, in particular dynamically stressed seals, wear over the expected service life, wherein different wear phenomena come into play. Due to material fatigue, the contact stress of the seal is reduced and the pressing force is also reduced. Due to wear, material fatigue and settling behavior, the dimensions of the seal change, so the contact stress and contact force are gradually reduced. These processes cause the sealing system to leak first and then fail. [0003] In order to monitor possible leaks of seals, it ...

Claims

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Application Information

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IPC IPC(8): F16J15/3296
CPCF16J15/3296F16J15/064F16J15/3284
Inventor F·劳尔O·纳尔沃尔德B·特拉伯T·克拉默S·辛德林格R·克雷斯迈尔C·诺曼G·霍曼
Owner CARL FREUDENBERG KG
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