Sample collection apparatus for analysis of air pollution...

Details Sample collection apparatus for analysis of air pollution... Sample collection apparatus for analysis of air pollution...

2008-07-01

2008-07-01

Williams, Hezron E. (Department: 2856)

Measuring and testing

Gas analysis

Ambient air

Reexamination Certificate

active

07392689

ABSTRACT:
Disclosed herein is a sample collection apparatus which includes a pretreatment unit arranged in front of a sample collection section to remove moisture, a first Peltier trap positioned at the lower side of the pretreatment unit to perform cooling condensation and thermal desorption, a switching valve connected to the rear of the pretreatment unit to determine flow paths through first, second, third and fourth ports, a sample collection section arranged at the rear of the switching valve to collect samples, a second Peltier trap positioned at the lower side of the sample collection section to perform thermal desorption, a first air pump connected to the second port of the switching valve to intake air, a second air pump connected to the rear of the sample collection section to intake and exhaust air, and a sample analyzer connected to the fourth port of the switching valve to analyze the samples.

REFERENCES:
patent: 5872305 (1999-02-01), Springmann
patent: 5970804 (1999-10-01), Robbat, Jr.
patent: 6353225 (2002-03-01), Strzoda et al.
patent: 6418781 (2002-07-01), Nishina et al.
patent: 6494077 (2002-12-01), Aoyama et al.
patent: 6815670 (2004-11-01), Jenkins et al.
patent: 7087434 (2006-08-01), Chen et al.

Affiliated with

Also associated with

Rating

Sample collection apparatus for analysis of air pollution... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Sample collection apparatus for analysis of air pollution..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sample collection apparatus for analysis of air pollution... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2803401