Piston integrated variable mass load
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United States of America Patent
Stats
-
Jun 2, 2020
Grant Date -
Sep 8, 2016
app pub date -
May 12, 2016
filing date -
Sep 20, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Embodiments relate to relate to marine vibrators that incorporate one or more piston plates that act on the surrounding water to produce acoustic energy. An example marine vibrator may comprise: a containment housing; a piston plate; a fixture coupled to the containment housing; a mechanical spring element coupled to the piston plate and the fixture; a driver disposed in the marine vibrator, wherein the driver is coupled to the piston plate and the fixture; and a container coupled to the piston plate, wherein the container is configured to hold a variable mass load; wherein the marine vibrator has a resonance frequency selectable based at least in part on the variable mass load.
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