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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Oxygen sensor for tank safety

Invented by: Bruce W. McCaul
Palo Alto, CA

Thomas Mac Winsemius
Soquel, CA Applicant: Name City State Country Type McCaul

Originally Assigned to: Oxigraf, Inc.
Mountain View, CA
[Now assigned to . . .]

Issued:2014-03-11
Filed:2012-03-05
Application No:13412458
Examined by:Houston; Elizabeth

Methods and embodiments are described for sampling and measuring oxygen concentrations of flowing samples drawn from the ullage of a chemical or fuel tank and from a source of inerting gas used for purging the tank. The sampled flows are drawn with a venturi pump or a pneumatically driven turbine pump and returned to the ullage of the tank. An optical absorption spectrophotometer is used having a diode laser sensor, and both sensor and the pump can be safely located near to the tank. Control systems and apparatus are disclosed for controlling the oxygen level within the ullage of the tank.

[pdf] U.S. Pat. No. 8,667,977

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This information is part of a study by Oasis Global, Inc. of all space inventions filed at the United States Patent and Trademark Office, and is provided for informational purposes only. It is not an endorsement of any particular assignee, inventor or invention. Although Peter A. Koziol represents inventors and assignees of space inventions he does not represent all of the inventors and assignees listed. The prosecuting attorney agent or firm for each patent is identified by the United States Patent and Trademark Office in the patent specfication, which can be viewed by clicking on the patent image or downloading the patent document. For more information regarding Mr. Koziol's background and experience, or to learn more about space inventions, please contact Mr. Koziol.

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