Submersible seawater pump sampler

Details Submersible seawater pump sampler Submersible seawater pump sampler

1987-01-08

1988-07-05

Noland, Tom

Measuring and testing

Sampler, sample handling, etc.

Capture device

7386467, G01N 114

Patent

active

047546549

ABSTRACT:
There is described a submersible water sampler for use in the collection of samples for testing. Conventional in situ samplers have had the disadvantage that they have been bulky and difficult to handle. There is described an in situ water pump sampler which has a frame member attached to a hydrographic wire by a swivel. The sampler is self-contained and is mounted through a hub to a frame member to permit rotation of the sampler on the frame about an axis normal to the longitudinal axis of the hydrographic wire. A mechanism, operated by messengers dropped from the surface causes incremental rotation of the sampler member on its frame from an initial lowering position in which the pump sampler member extends in a generally up-and-down configuration to an intermediate sampling position in which the pump sampler extends generally at right angles to the axis of the hydrographic wire and then to a final retrieval position in which the pump sampler member extends in the generally up-and-down configuration on its frame.

REFERENCES:
patent: 4606233 (1986-08-01), Burney

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