Overmolded paddlewheel for a flow meter
A method of fabricating a paddlewheel for a flow meter is provided. The method can include providing an inner part of the paddlewheel. The method can also include inserting a plurality of magnets in the inner part of the paddlewheel. The method can also include overmolding an outer part of the paddlewheel over the inner part of the paddlewheel.
1. A paddlewheel assembly, comprising:
a hub;
a first partial blade and a second partial blade, the first partial blade comprising a first spoke extending from the hub and a first winged portion extending from the first spoke and the second partial blade comprising a second spoke extending from the hub and a second winged portion extending from the second spoke, the first partial blade defining a first cavity and the second partial blade defining a second cavity; and
a third partial blade and a fourth partial blade secured to the hub, the third partial blade comprising a third cavity configured to receive a magnet of a plurality of magnets and the fourth partial blade comprising a fourth cavity configured to receive another magnet of the plurality of magnets.
2. The paddlewheel assembly of claim 1 , wherein an outer portion is secured to a first side and a second side of the hub.
3. The paddlewheel assembly of claim 2 , wherein the outer portion is secured to third side and a fourth side of the hub.
4. The paddlewheel assembly of claim 2 , wherein the outer portion is configured to close the first cavity and the second cavity.
5. The paddlewheel assembly of claim 4 , wherein the outer portion is configured to close the third cavity and the fourth cavity.
6. The paddlewheel assembly of Claim 2 , wherein the outer portion is made with fluoropolymer.