Vane wheel water meter
AssigneeShinhan Kongki Co., Ltd.
InventorEui M. Han
Life of this patent
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Abstract
A vane wheel water meter having a vane wheel disposed in a vane chamber located between an inlet and an outlet with the meter body being positioned above the vane chamber. The vane wheel has a body with several vanes extending outwardly perpendicular to the vane axis. Stepped back stops are provided on the upper surface of the vane wheel body which gradually incline downwardly in the normal rotational direction of the vane wheel relative to the inlet. Stop pins are mounted within respective cylinders provided in meter body for coacting with the back stops to stop the vane wheel from rotating in the reverse rotational direction. The vane wheel body can be shaped like a truncate cone.
Claims11
A vane wheel for a water meter comprising:
- a vane wheel body having a longitudinal axis;
- several spaced apart vanes extending outwardly from said vane wheel body perpendicular to said axis;
- stop means on an upper surface of said vane wheel body for stopping said vane wheel from rotating in a reverse rotational direction relative to an inlet of the water meter;
- and
- said stop means being at least one stepped back stop having a first surface extending perpendicularly upwardly from said upper surface and a second surface annularly inclined gradually downwardly in a normal rotational direction relative to the inlet of the water meter, said normal rotational direction being opposite to said reverse rotational direction.
A vane wheel water meter comprising:
- a meter body provided with a water counter;
- a vane chamber located under said meter body and between an inlet and an outlet;
- a vane wheel rotatably mounted in said vane chamber for driving the water counter to determine amount of water being supplied;
- said vane wheel having a body with a longitudinal axis;
- several spaced apart vanes extending outwardly from said vane wheel body perpendicular to said axis;
- stop means on an upper surface of said vane wheel body for stopping said vane wheel from rotating in a reverse rotational direction relative to said inlet of the water meter;
- and
- said stop means being at least one stepped back stop having a first surface extending perpendicularly upwardly from said upper surface and a second surface annularly inclined gradually downwardly in a normal rotational direction relative to said inlet of the water meter, said normal rotational direction being opposite to said reverse rotational direction.
Dependencies are inferred from the claim text.