Invention Application
US20120081997A1 Marine Vibrator with Improved Seal 有权
海洋振动器改进密封

Marine Vibrator with Improved Seal
Abstract:
A marine vibrator with improved seal is described. The marine vibrator includes a housing and piston within the housing for generating vibratory signals. The improved seal is comprised of a two-stage seal having a first seal disposed adjacent the water interface and a second seal disposed away from the water interface, thus improving the reliability of the marine vibrator.
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