The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 14, 2016

Filed:

Dec. 14, 2012
Applicant:

Thermo Environmental Instruments Inc., Franklin, MA (US);

Inventors:

Yonquan Li, Schenectady, NY (US);

Daniel E. Glenn, Westwood, MA (US);

K. Stephen Johnson, Jr., Plymouth, MA (US);

Dieter Kita, Blackstone, MA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 1/44 (2006.01); G01N 33/00 (2006.01); G01N 1/22 (2006.01);
U.S. Cl.
CPC ...
G01N 1/44 (2013.01); G01N 33/0009 (2013.01); G01N 1/2247 (2013.01);
Abstract

In a first mode, a monitoring system inputs humidified gas through at least a portion of a conduit. At least a portion of the water in the humidified gas adheres to the inner surface of the conduit, inhibiting contaminants in the gas sample from adhering to the inner surface. The water in the humidified gas may also push any contaminants adhered to the surface of the sample line back out the sample line. In a second mode, after previously passing the humidified gas through the conduit, the monitoring system controls a flow of a gas sample including the contaminants through the conduit to a gas analyzer. The one or more layer of water on the inner surface of the conduit prevents or reduces a buildup of undesirable contaminants on an inner surface of a conduit that conveys gas samples.


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