Damping device and a device for measuring the level of fuel in a motor vehicle fuel tank including such a damping device
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United States of America Patent
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Apr 18, 1989
Grant Date -
N/A
app pub date -
Feb 21, 1986
filing date -
Feb 21, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a damping device of the type comprising a housing (40) defining a sealed chamber (42) containing a viscous damping fluid such as silicone and receiving a blade capable of displacement relative to the housing. In accordance with the invention, the housing (40) and the blade (80) comprise respective series of fins (50, 51, 52, 53 and 90, 92, 94, and 96) which are interleaved. Thus, relative displacement of the blade inside the housing (40) is braked by a combination firstly of the controlled flow of fluid from one side of the blade to the other via interstices between the blade and the housing, and secondly by viscous friction between the interleaved fins. The invention also relates to a device for measuring the level of fuel in a motor vehicle fuel tank and including such a damping device.
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