Switchable hydrobushing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
May 10, 2007
app pub date -
Aug 6, 2004
filing date -
Aug 6, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A switchable hydraulic bushing (10) is provided in which a secondary chamber (60) is sealed so as to be air-tight and is provided with a bleed passage (38) for allowing for the free flow of air into and out of the secondary air chamber (60). A closure device (40) is provided for closing off the bleed passage (38) for sealing off the air-tight secondary chamber (60) to alter the flexibility characteristics of the walls (58) of the compensation chambers (52) and effectively turn off the hydraulic damping function of the hydraulic bushing (10).
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