STRAIGHT CROSS-FLOW FAN Russian patent published in 2007 - IPC F04D17/04 

FIELD: mechanical engineering; fans and ventilators.

SUBSTANCE: invention can be used in ventilation, heating and pneumatic separation systems and at pneumatic transportation of volatile fine-grain materials. According to invention, in proposed straight cross-flow fan which has housing with suction and delivery branch pipes, two impellers are installed in housing close to each other, end of curvilinear deflector of outlines of housing of first impeller being simultaneously adjacent wall of outlines of housing of second impeller, and beginning of curvilinear deflector of out lines of housing of second impeller being simultaneously adjacent wall of outlines of housing of first impeller.

EFFECT: provision of high flow rate and pressure of gas medium at high efficiency.

2 dwg