Measuring and testing – Volume or rate of flow – Expansible chamber
Patent
1987-03-19
1989-06-06
Orsino, Joseph A.
Measuring and testing
Volume or rate of flow
Expansible chamber
73254, 418268, G01F 304
Patent
active
048360210
ABSTRACT:
A flow meter having a housing with an inlet, an outlet and a cylindrical housing chamber fluidly connected in series between the inlet and the outlet. A cylindrical rotor is rotatably mounted within the housing chamber about an axis which is eccentric with respect to the axis of the housing chamber. In addition, a plurality of circumferentially spaced vanes are radially slidably mounted within the rotor. These vanes are urged radially outwardly into sealing contact with a housing wall which defines the housing chamber. A fluid working chamber is formed between each pair of vanes, the outer periphery of the rotor and the housing wall and this working chamber increases in size from the housing inlet and to the housing outlet. In operation, fluid flow into the housing inlet rotatably drives the rotor until the fluid is exhausted through the housing outlet. A detector detects the speed of rotation of the rotor thereby providing an indication of the fluid flow rate through the flow meter.
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Orsino Joseph A.
Swarthout Brent A.
Universal Flow Monitors Inc.
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