H - Electricity – 01 – J
Patent
H - Electricity
01
J
H01J 49/28 (2006.01) G01N 27/64 (2006.01) G01N 33/00 (2006.01)
Patent
CA 2221831
An ion mobility spectrometer includes a spectrometer housing (10) and, within the housing, an ion mobility spectrometer cell (12), a volume of vapour absorbent material (30), and a fan (38) for inducing a flow of recirculating cleaning air through the cell (12) and the absorbent material (30). In the preferred arrangement the vapour absorbent material is held in close proximity with the cell, providing the possibility of constructing a miniature instrument without the need for any external air supply.
La présente invention a pour objet un spectromètre de mobilité ionique, contenu dans un boîtier (10) à l'intérieur duquel se trouvent une cellule (12), une matière destinée à absorber le volume de vapeur (30), et un ventilateur (38) qui introduit à travers la cellule (12) et la matière absorbante (30) un écoulement d'air nettoyant de recirculation. Dans le dispositif préféré, la matière absorbant la vapeur maintenue à proximité de la cellule, ce qui permet de construire un instrument miniature sans adjonction d'une alimentation en air extérieur.
Taylor Stephen John
Turner Robert Brian
Fetherstonhaugh & Co.
Graseby Dynamics Limited
Smiths Detection-Watford Limited
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