Measuring and testing – Volume or rate of flow – By measuring swirl rate imparted by static means
Patent
1993-09-14
1994-08-30
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
By measuring swirl rate imparted by static means
7386179, G01F 106
Patent
active
053416864
ABSTRACT:
An improved water meter has a meter body with an extended bottom on the periphery of which are disposed a plurality of spaced first oval holes and at the center of the meter is disposed a small round hole. To the bottom of the water meter is journalled a cone-shaped block. A round cavity is disposed at the center of the block with a plurality of spaced first oval holes defined on the periphery thereof that communicate respectively with a plurality of tilted slots on the bottom periphery of the block. A vertical mounting post is disposed at the center of the cavity. A rotation propeller having a plurality of blades and a driving shaft is engaged with the small round hole with its driving shaft and engaged with the vertical mounting shaft at the bottom end. The cone-shaped block and the water meter are journalled together with the rotation propeller housed therebetween. The assembled water meter is received in a housing cavity having a vertical water inlet duct and an elbow water outlet duct connected to a check valve.
REFERENCES:
patent: 4131017 (1978-12-01), Back
patent: 4292853 (1981-10-01), Williams
patent: 4561312 (1985-12-01), Roy
patent: 4570497 (1986-02-01), Han
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