Gas separation: processes – With control responsive to sensed condition – Concentration sensed
Patent
1999-05-27
2000-12-19
Spitzer, Robert H.
Gas separation: processes
With control responsive to sensed condition
Concentration sensed
95 90, 961175, 96147, 55DIG34, B01D 5304
Patent
active
061622818
ABSTRACT:
A device for displaying the exhaustion of a gas filter filled with an adsorbent (3). A toxic gas detector (14) determines the toxic gas content at a sampling site (8) within the adsorbent (3). A reference sampling site (12) is located in the area of a gas inlet point (6) of the gas filter (2). The toxic gas detector is designed such that it determines the toxic gas content alternately at the sampling sites (8, 12), and the exhaustion of the filter is determined by a comparison of the toxic gas content at the sampling site (8) with the toxic gas content at the reference sampling site (12).
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Ammann Klaus
Bather Wolfgang
Dietrich Michael
Drager Sicherheitstechnik GmbH
Spitzer Robert H.
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