Gas turbine meter

Details Gas turbine meter Gas turbine meter

G - Physics

01

F

G01F 1/10 (2006.01) G01F 1/115 (2006.01) G01F 1/12 (2006.01)

Patent

CA 2096938

Abstract A gas turbine meter (1) that is miniaturized based on its design is disclosed. While the size of the gas turbine meter (1) is small, it performs all the functions of prior gas turbine meters and has a large rangeability over a very large range of pressure. The turbine meter includes a body (10) which is bilateral or symmetrical, permitting the turbine meter (1) to be installed in either orientation in a flow line. Diffusers (15) are included with the turbine meter (1) that maintain the rotor (45) of the turbine meter (1) in position and prevent dust from entering into bearings (75) which connect the rotor (45) with the diffusers (15). The rotor (15) of the turbine meter (1) optimally has twelve flat blades (150), each having an angle of 45° from the plane of the blank (120) in which it was made. Close clearance is maintained between the blades (150) and the interior (11) of the meter. Notches (140) are formed at the lower end of the blades (150), thereby forming the shafts (170) of the blades (150) which are optimally sized to increase stiffness. The magnetic strength of the magnetic pick-up (400) which measures the rate of rotation of the blades (150) within the interior of the housing of the meter (1) has a small gauss strength to avoid magnetic drag.

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