Underwater sampling method and apparatus

Details Underwater sampling method and apparatus Underwater sampling method and apparatus

1994-12-01

1996-09-24

Williams, Hezron E.

Measuring and testing

Sampler, sample handling, etc.

Capture device

7386467, G01N 112

Patent

active

055592953

ABSTRACT:
Underwater sampling apparatus for collecting uncontaminated samples from an underwater environment at in situ pressure includes a sample chamber in which the sample is to be collected, and a lid chamber in hydraulic or pneumatic communication with the sample chamber for defining a controllable interface between the sample chamber and the underwater environment. The lid chamber includes a stack of lid-chamber-defining plates coupled together to form a unitary whole and a lid movable between a closed position sealing the sample chamber and an open position in which the sample chamber is open to the undersea environment. Motion control element move the lid between the open and closed positions.

REFERENCES:
patent: 3892130 (1975-07-01), Winget et al.
patent: 4037477 (1977-07-01), Niskin
patent: 4593570 (1986-06-01), Niskin

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