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Last Updated: March 28, 2024

Claims for Patent: 6,561,046


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Summary for Patent: 6,561,046
Title: Sampling apparatus for collecting samples from underwater hydrothermal vents and the marine or limnological water column
Abstract:A sampling apparatus that allows multiple uncontaminated samples to be taken from hydrothermal vents and the oceanic or limnological water column. The apparatus includes a sampling nozzle for taking in the sample. A sample collection unit is in fluid communication with the sampling nozzle and includes at least one sampling module for the collection of a predetermined type of sample. A fluid intake module is in fluid communication with the sample collection unit and the sampling nozzle. The fluid intake module includes at least one pump for drawing a sample fluid through the sampling nozzle and sample collection unit. A control module is in electrical communication with the fluid intake module. The control module includes a micro-controller for controlling the fluid intake module and a computer readable memory for storing sampling data for use by a user. In operation, the sampling nozzle is moved into a desired sampling location and the micro-controller sends a signal to said fluid intake module to initiate collection of a sample. The fluid intake module then draws the sample fluid through said sampling nozzle and into said sample collection unit. The sampling module then stores a sample and the computer readable memory stores the sampling data for use by a user.
Inventor(s): Taylor; Craig D. (Mashpee, MA), Doherty; Kenneth W. (Falmouth, MA)
Assignee: McLane Research Laboratories (Falmouth, MA)
Application Number:09/689,371
Patent Claims:1. A sampling apparatus for collecting samples from underwater hydrothermal vents, and the oceanic or limnological water column said apparatus comprising: a sampling nozzle-comprising a plurality of inlet tubes; an end cap removably attached to each of said plurality of inlet tubes such that contamination of said inlet tubes is prevented; a sample collection unit in fluid communication with sampling nozzle, said sample collection unit comprising at least one sampling module for the collection of a predetermined type of sample; a fluid intake module in fluid communication with said sample collection unit and said sampling nozzle, said fluid intake module comprising at least one pump for drawing a sample fluid through said sampling nozzle and said sample collection unit; and a control module in electrical communication with fluid intake module, said control module comprising a micro-controller for controlling said fluid intake module and a computer readable memory for storing sampling data for use by a user; wherein said sampling nozzle is moved into a desired sampling location, said micro-controller sends a signal to said fluid intake module to initiate collection of a sample, said fluid intake module draws the sample fluid through said sampling nozzle and into said sample collection unit, said sampling module stores a sample, and said computer readable memory stores sampling data for use by a user.

2. The sampling apparatus as claimed in claim 1 wherein said sampling nozzle further comprises a temperature probe for measuring a temperature of said sample fluid.

3. The sampling apparatus as claimed in claim 1 wherein said sampling nozzle is connected to said sample collection unit via a flexible umbilical, and wherein said sampling nozzle further comprises a heat exchanger for reducing the temperature of the sample fluid.

4. The sampling apparatus as claimed in claim 1 wherein said sample collection unit further comprises an insulating housing disposed about said at least one sampling module.

5. The sampling apparatus as claimed in claim 1 wherein said at least one sampling module comprises at least one stage chosen from a group consisting of a filter unit and a fluid sample vessel.

6. The sampling apparatus as claimed in claim 5 wherein said predetermined type of sample is a particulate sample and wherein said at least one stage is a filter unit.

7. The sampling apparatus as claimed in claim 6 wherein said filter unit is chosen from a group consisting of a single filter unit and a high capacity filter unit.

8. The sampling apparatus as claimed in claim 5 wherein said predetermined type of sample is a fluid sample and wherein said at least one stage is a fluid sample vessel.

9. The sampling apparatus as claimed in claim 8 wherein said fluid sample vessel comprises a fluid inlet having a low sheer ducted nozzle dimensioned to direct the sample in a spiral motion to effect more rapid and complete mixing of the sample.

10. The sampling apparatus as claimed in claim 1 wherein said sampling module is manufactured of polysulfone plastic.

11. The sampling apparatus as claimed in claim 1 wherein said fluid intake module comprises a sampling pump, a cap removal pump, and a distribution valve in fluid communication with said sampling pump and said cap removal pump.

12. The sampling apparatus as claimed in claim 11 wherein said distribution valve comprises a rotatable rotor having a cap removal outlet in fluid communication with said cap removal pump and a sample inlet in fluid communication with said sampling pump.

13. The sampling apparatus as claimed in claim 12 further comprising a sterile water reservoir in fluid communication with said cap removal pump and a sampling line manifold terminating in a cap removal port, wherein said rotatable rotor may be rotated to align said cap removal port with said cap removal outlet such that said sterile water reservoir is in fluid communication with said sampling line manifold.

14. The sampling apparatus as claimed in claim 12 wherein said control module is programmed to automatically rotate said rotatable rotor of said distribution valve.

15. The sampling apparatus as claimed in claim 11 wherein said cap removal pump and said sampling pump are microgear pumps.

16. The sampling apparatus as claimed in claim 11 wherein said control module is programmed to automatically control said cap removal pump and said sampling pump.

17. The sampling apparatus as claimed in claim 1 wherein said control module further comprises a software program stored upon said computer readable memory and executable by said micro-controller to provide a software interface to allow the user to control said apparatus.

18. The sampling apparatus as claimed in claim 17 wherein said software interface comprises a main menu allowing the user to perform at least one function chosen from the group consisting of setting a real time clock, performing diagnostics, testing operation of said apparatus, deploying said apparatus, offloading data from said apparatus, and suspending operation of said apparatus.

19. The sampling apparatus as claimed in claim 17 wherein said software program allows said apparatus to run in a mode selected from a group consisting of manual mode, semiautomatic mode, and time series mode.

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