Patent ID: 11874262
Assignee: AUTOMOTIVE COALITION FOR TRAFFIC SAFETY, INC.
Field: Measurement (Instruments)
Classification: CPC G  B  Y | IPC B  G

Claim 16:
17. A system according to claim 1 wherein the analyte gasifier (AG) subsystem comprises:
a first tube configured to receive the volatile analyte in liquid form, the first tube having a first portion comprising a distal end, a proximal end, and a lumen extending therebetween, the first portion of the first tube having an outer surface which tapers inwardly in the distal direction;
a second tube configured to receive the inert carrier gas, the second tube having a second portion comprising a distal end, a proximal end and a lumen extending therebetween, the second portion of the second tube having an inner surface which steps down from a larger diameter to a smaller diameter;
the second portion of the second tube being disposed coaxially over the first portion of the first tube so that the inner surface of the second portion of the second tube is spaced from the outer surface of the first portion of the first tube; and
the distal end of the first portion of the first tube is disposed adjacent to the location at which the inner surface of the second portion of the second tube steps down from a larger diameter to a smaller diameter.