Piston-type marine vibrators comprising a compliance chamber
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United States of America Patent
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Jun 7, 2016
Grant Date -
Mar 26, 2015
app pub date -
Aug 18, 2014
filing date -
Sep 20, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed are embodiments of a marine vibrator and methods of using. Embodiments of the marine vibrator may comprise a containment housing; a piston plate, wherein an internal volume of the marine vibrator is at least partially defined by the containment housing and the piston plate, the internal volume containing a first gas at a first gas pressure; a fixture coupled to the containment housing; a mechanical spring element coupled to the piston plate and the fixture; a driver coupled to the piston plate and the fixture, wherein the driver is configured to move the piston plate back and forth; and a compliance chamber in contact with the first gas, wherein the compliance chamber comprises a second gas at a second gas pressure.
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