Sphere or accumulator with membrane, such as for motor vehicle hydropneumatic suspension
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 13, 2001
Grant Date -
N/A
app pub date -
Jul 13, 1999
filing date -
Dec 5, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pneumatic sphere includes a rigid envelope and a deformable flexible membrane disposed inside the envelope to define an upper chamber containing a gas and a lower chamber containing a liquid. In the upper chamber, a device associated with one of the envelope and the membrane punctures the membrane in response to an excessive pressure in the lower chamber, displacing the membrane to reduce the pressure in the lower chamber.
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