摘要:
A turbulator adapted to be mounted to or inserted in an inlet portion of a flow meter for a ventilator is disclosed. The turbulator is adapted to create a turbulent gas flow in the inlet portion downstream of the turbulator upon passage of a gas flow therethrough. A flow meter for a ventilator is provided. The flow meter may comprise such turbulator. The turbulator may be arranged in the inlet portion of the flow meter. A membrane for a ventilator flow meter is provided, as well as a flow meter comprising the membrane. A flow meter comprising a turbulator and a membrane is disclosed.
摘要:
A device for measuring the velocity of a fluid flowing in a closed pipe said device comprising a hollow conduit with a pressure port at each end and a spring loaded piston loosely fitted in said conduit, each of said pressure ports connecting to a Pitot tube having two pressure openings one of said pressure openings facing upstream and the other downstream of said fluid flowing in the closed pipe.