公开(公告)号：US20190203732A1

公开(公告)日：2019-07-04

申请号：US16235248

申请日：2018-12-28

Applicant: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION

Inventor： Anthony P. PAGLIARO ,  Jayden David HARMAN

IPC: F04D29/20 ,  F04D3/02 ,  F04D29/66 ,  F04D29/18 ,  F04D29/52 ,  F04D29/64

CPC classification number: F04D29/20 ,  F04D3/02 ,  F04D29/181 ,  F04D29/528 ,  F04D29/648 ,  F04D29/669 ,  F05D2240/30

Abstract: A pump comprising a housing defining an internal volume; an impeller disposed in the internal volume of the housing, wherein the impeller comprises a magnetic element and at least a portion of the surface of the impeller conforms to a generally logarithmic spiral; and a drive element adapted to magnetically couple with the magnetic element of the impeller.