Impact absorber
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 1, 2000
Grant Date -
N/A
app pub date -
Jul 9, 1998
filing date -
Jul 9, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An impact absorber for decelerating a vehicle impacting on an obstacle, which impact absorber includes two tubes which can be displaced one inside the other in the manner of a telescope. The inner tube is closed off from the outside by a base and has a highly pressurized gas space and a first fluid space. A second fluid space is arranged in the outer tube and is hydraulically connected to the first fluid space via a restriction formed by a restricting aperture in an intermediate wall fixed in the inner tube. The outer tube has, in the end region, a plastic disk which melts at a predetermined temperature and as a result counteracts an explosion of the impact absorber in the event of a fire by reducing the pressure.
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