Flow sensor of double obstruction.

摘要

Flow sensor of double obstruction.The present invention relates to a flow sensor of double obstruction which reveals a structure simple and innovative.Able to promote a series of advantages and new technical effects through the combination of fixed and variable elements of obstruction.More particularly, the present invention includes a main body before (12) and a main body (40), connected to each other so as to press the two elements of obstruction.The first type fixed (30) and the second type variable (50), so as to obtain increased sensitivity and less noise disturbance.Being especially useful in the monitoring of patients for long periods.