Patent ID: 8096446
Filing Date: 2012-01-17
Classification: G01F

Abstract:
1. A turbine meter for measuring the flow of a fluid comprising: a housing defining a fluid flow path along a central axis thereof, said housing having an inlet port and an outlet port; a flow conditioner mounted in said flow path downstream of said inlet port, said flow conditioner having a plurality of flow deflectors canted in a first direction relative to said central axis; a first turbine rotor located downstream of said flow conditioner and mounted for rotation about said central axis; said first turbine rotor having a plurality of first rotor vanes canted in a second direction relative to said central axis, said second direction being opposite to said first direction; a second turbine rotor located downstream of said first turbine rotor and mounted for rotation about said central axis; and said second turbine rotor having a plurality of second rotor vanes canted in said first direction relative to said central axis such that said first and second turbine rotors to rotate in opposite rotational directions at rotational speeds indicative of fluid flow rate when fluid flows through said housing.