Oxygen gas flow measuring device, for use in medical installation, has unit drawing gas towards spring plate, unit detecting deformation undergone by plate during impact of gas on plate, and diffuser creating gas jet perpendicular to plate

摘要

#CMT# #/CMT# The device has a unit for drawing gas towards a spring plate (1) and a unit (2) for detecting the deformation undergone by the spring plate during the impact of the gas on the plate. A conical diffuser (3) of the gas drawing unit creates a gas jet perpendicular to the plate. A unit converts the detected deformation into a gas flow value. The plate presents a rectangular section and a central recess (7) extending in a direction of length of the plate and emerging on two opposite longitudinal faces of the plate. #CMT#USE : #/CMT# Used for measuring oxygen gas flow in a medical installation (claimed), for patients. #CMT#ADVANTAGE : #/CMT# The device measures the oxygen flow in precise, reliable and inexpensive manner while necessitating reduced maintenance. The central recess increases the flexibility of the plate while ensuring sufficient robustness against mechanical impacts. The device allows using very high flexible plate for measuring the weak gas flow and using plate having high stiffness for measuring the very high gas flow. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows an oxygen gas flow measuring device. 1 : Spring plate 2 : Spring plate`s deformation detecting unit 3 : Conical diffuser 7 : Central recess 8 : Reception cavity.