Patent ID: 11921009
Assignee: FT SYSTEM S.R.L.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 7:
8. The method according to claim 1, wherein said introducing and sucking steps are carried out by means of a single unit (31′), acting both as a suction fan and as a blower, wherein the single unit (31′) is connected to a circuit equipped with a valve (27′) arranged to put in communication:
in said sucking step, the duct (21) communicating with the detection zone (13) with an inlet port (31′a) of the single unit (31′), and an outlet port (31′b) of the single unit (31′) with the outside environment, or
in said introducing step, the duct (21) communicating with the detection zone (13) with the outlet port (31′b) of the single unit (31′), and the inlet port (31′a) of the single unit (31′) with a controlled environment containing flushing gas.