Spring devices – Vehicle – Mechanical spring and nonresilient retarder
Reexamination Certificate
2007-09-18
2007-09-18
Kramer, Devon (Department: 3683)
Spring devices
Vehicle
Mechanical spring and nonresilient retarder
C267S195000, C267S294000, C267S064170, C267S141100
Reexamination Certificate
active
11061066
ABSTRACT:
A fluid-elastomeric damper assembly operable for damping relative motion between a first structure and a second structure including a housing structure grounded to the first structure and a plurality of elastomer seals coupled to the housing structure, the housing structure and the plurality of elastomer seals defining a fluid-elastomeric chamber operable for containing a fluid. The fluid-elastomeric damper assembly also including one or more piston structures disposed within the housing structure and the fluid-elastomeric chamber, the one or more piston structures grounded to the first structure and driven by the second structure, and the one or more piston structures each including a first fluid chamber and a second fluid chamber in communication via an orifice, the first substantially fluid-filled chamber and the second substantially fluid-filled chamber also in communication with the fluid-elastomeric chamber through a fluid backfiller. The relative motion is operable for pumping the fluid through the orifice.
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Kramer Devon
Lord Corporation
Murphy III Edward F.
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