公开(公告)号：US07699587B2

公开(公告)日：2010-04-20

申请号：US11345478

申请日：2006-02-01

申请人： Thomas Richard Chapman ,  Robert Hodgson White, Jr.

发明人： Thomas Richard Chapman ,  Robert Hodgson White, Jr.

IPC分类号： F04B39/06

CPC分类号： B60H1/00471 ,  F04D25/082

摘要： A centrifugal blower comprising a cooling air path having an inlet communicating with a blower space and an outlet communicating with the inlet of the motor airflow path, the cooling air path having an upstream portion that extends axially in the direction from the opposite end of the motor toward the drive end of the motor, and the cooling air path having a downstream portion that extends axially in the direction from the drive end of the motor toward the opposite end of the motor.

摘要翻译： 一种离心式鼓风机，包括具有与鼓风机空间连通的入口的冷却空气路径和与马达气流路径的入口连通的出口，所述冷却空气路径具有沿着从马达的相对端方向轴向延伸的上游部分 朝向电动机的驱动端，并且冷却空气路径具有沿着从电动机的驱动端朝向电动机的相对端的方向轴向延伸的下游部分。