Velocity and mass air flow sensor

Details Velocity and mass air flow sensor Velocity and mass air flow sensor

F - Mech Eng,Light,Heat,Weapons

02

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73/132, 354/31

F02D 33/02 (2006.01) F02M 35/00 (2006.01) G01F 1/32 (2006.01) G01F 1/86 (2006.01)

Patent

CA 1174361

ABSTRACT A device for measuring the velocity of fluid includes a vortex generating means, a pressure sensor means and a processing means. The vortex generating means is positioned in the fluid stream so that vortices are formed in the wake of the generating means. The pressure sensor means is positioned in the wake of the generating means for sensing pressure variation caused by the passage of the vortices. The processing means is coupled to the pressure sensor for determining the fluid flow rate as a function of pressure changes sensed by the pressure sensor means.

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