PUMP IMPELLER USED PRODUCE

Brand	Owner	Address	Description
EURO-WHEEL	Euro-Reef Inc.	Suite A 23400 Peralta Drive Laguna Hills CA 92653	Pump impeller used to produce tiny air bubbles in a protein skimmer;EUROPEAN-WHEEL;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A centrifugal pump, the impeller (2) of the pump having one or more holes through the impeller adjacent to its hub. The hole or holes (7) are positioned between the vanes (3) of the impeller and closer to the hub than the periphery of the impeller. The total area of the holes is more than 0.4% of the area of the impeller, preferably 0.5-0.6% of the area of the impeller or more than 2% of the inlet area of the pump, preferably 2.5-5% of the inlet area. Preferably there is a cavity or a pit (8) at the back of the impeller.