Mobile sampler for use in acquiring samples of terrestial atmosp

Details Mobile sampler for use in acquiring samples of terrestial atmosp Mobile sampler for use in acquiring samples of terrestial atmosp

1981-03-23

1983-03-29

Stephan, Steven L.

Measuring and testing

Sampler, sample handling, etc.

Plural parallel systems

7386383, 7386463, 220335, G01N 124

Patent

active

043779492

ABSTRACT:
A mobile sampler 10 for use in acquiring samples of terrestial atmospheric gasses from a free body of such gasses. The device is chracterized by a plurality of tubular bodies 12 adapted to be mounted in side-by-side relation on a motorized highway vehicle V in mutual parallelism with the axis of the normal path of travel for the vehicle; each of the bodies is of a cylindrical configuration and has an axial opening disposed at each of its opposite ends whereby a linear flow path is defined therethrough, a pair of pivotally supported, spring-biased sealing caps 14A and 14B mounted adjacent the ends of the body and continuously urged into hermetic sealing relationship therewith, a restraint for securing the caps against spring-urged pivotal displacement, including a separable, normally tensioned line 52 interconnecting the caps and an operable release mechanism for simultaneously releasing the caps for spring-urged displacement, including a hot wire cutter 54 for separating said line, whereby samples of air are trapped in the body as the caps are spring-driven to assume an hermetically sealed relation with the openings defined in each of the opposite ends of the body.

REFERENCES:
patent: 3339417 (1967-09-01), Richard
patent: 3489012 (1970-01-01), Niskin
patent: 3531995 (1970-10-01), Barker
patent: 3731539 (1973-05-01), Brittan et al.
patent: 3884081 (1975-05-01), Griffith
patent: 3921456 (1975-11-01), Newcomb, Jr. et al.

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