Patent ID: 9599114
Date: 2017-03-21
CPC Classifications: F04D,F24F,F28D,F28F

Claim:
1. A modular cross flow fan, comprising: a housing having an upper wall, a lower wall and two side boards, wherein the upper wall, the lower wall and the two side boards define an accommodating space therebetween, the housing is formed with an inflow opening and an outflow opening, wherein the upper wall has a first board body, a second board body and a third board body, the first board body is connected between the second board body and the third board body, the third board is proximal to the side of the housing with the inflow opening, the second board body is proximal to the side of the housing with the outflow opening, the second board body and the third board body are parallel to each other and horizontal, the first board body is slanted, and the height of the first board body decreases in the direction from the inflow opening to the outflow opening; the second board body defines an upper edge of the outflow opening, the third board body defines an upper edge of the inflow opening; an inflow direction of the inflow opening is guided by the third board body, an outflow direction of the outflow opening is guided by the second board body respectively; so as to make the inflow direction of the inflow opening and the outflow direction of the outflow opening parallel to the second board body and the third board body respectively, and toward a same direction; a cross flow fan disposed in the accommodating space; and a motor, disposed at the housing and connected to the cross flow fan.