公开(公告)号：US20150204338A1

公开(公告)日：2015-07-23

申请号：US14597881

申请日：2015-01-15

Applicant: ABB OY

Inventor： Jari-Petri TIAINEN ,  Niko BJÕRKMAN ,  Johannes PYLVÄNEN

IPC: F04D17/12 ,  F04D29/58

CPC classification number: F04D17/162 ,  F04D17/16 ,  F04D25/166 ,  F04D29/4226

Abstract: A fan apparatus is disclosed having a first fan and a second fan, both of which are centrifugal fans. Impellers of the first fan and the second fan can be located adjacent one another and adapted to rotate in opposite directions. A first outlet opening (ot1) provided on a housing of the first fan can be located relative to a second outlet opening (ot2) provided on a housing of the second fan such that a flow pattern of the first fan overlaps at least partially with a flow pattern of the second fan when viewed from a direction of a rotation axis of an impeller of the first fan.

Abstract translation: 公开了一种具有第一风扇和第二风扇的风扇装置，它们都是离心式风扇。 第一风扇和第二风扇的叶轮可以彼此相邻并且适于沿相反方向旋转。 设置在第一风扇的壳体上的第一出口开口（ot1）可以相对于设置在第二风扇的壳体上的第二出口开口（ot2）定位，使得第一风扇的流动模式至少部分地与 当从第一风扇的叶轮的旋转轴线的方向观察时，第二风扇的流动模式。