Patent ID: 8118541
Filing Date: 2012-02-21
Classification: F04D

Abstract:
1. A multi-functional air circulation system comprising: a bottom base provided with a lower flow-guiding surface; a flow-splitting base positioned on said bottom base and provided with an inner flow-guiding surface, an annular wall, plural annular exits formed closely in said annular wall; a main engine provided with a motor having its shaft fixed with a blade member, a shade used to cover said motor and provided with plural holes; and said blade member able to suck air in through said holes of said shade while started by said motor and orderly rush it along said inner flow-guiding base of said flow-splitting base and said lower flow-guiding surface of said bottom base and an upper annular wall of said lower flow-guiding surface and said annular exits of said flow-splitting base to enter a room.