公开(公告)号：US10935039B2

公开(公告)日：2021-03-02

申请号：US15805465

申请日：2017-11-07

Applicant: MTD PRODUCTS INC

Inventor： Dominic Kedelty ,  Maryam Khorshidi

IPC: F04D29/22 ,  F04D29/28 ,  F04D17/08 ,  F04D17/16 ,  F04D29/66 ,  F04D29/30

Abstract: A blower impeller having a plate with a first side surface, a second side surface, and an outer circumferential edge extending between the first and second side surfaces; a front blade series extending from the first side surface, the front blade series comprising a plurality of front fins, wherein each front fin includes a first radius of curvature and a second radius of curvature; and a rear blade series extending from the second side, the rear blade series comprising a plurality of rear fins.

公开(公告)号：US20190136866A1

公开(公告)日：2019-05-09

申请号：US15805465

申请日：2017-11-07

Applicant: MTD PRODUCTS INC

Inventor： Dominic Kedelty ,  Maryam Khorshidi

IPC: F04D29/22 ,  F04D29/28 ,  F04D17/08

Abstract: A blower impeller having a plate with a first side surface, a second side surface, and an outer circumferential edge extending between the first and second side surfaces; a front blade series extending from the first side surface, the front blade series comprising a plurality of front fins, wherein each front fin includes a first radius of curvature and a second radius of curvature; and a rear blade series extending from the second side, the rear blade series comprising a plurality of rear fins.