Patent ID: 9115721
Filing Date: 2015-08-25
Classification: F04D,G06F

Abstract:
1. A turbofan, comprising: a turbofan assembly which admits air in an axial direction and dispenses air in a radial direction; an inlet fan assembly disposed at an inlet of the turbofan assembly and disposed coaxially with the turbofan assembly; and a driving means for driving the turbofan assembly and the inlet fan assembly to rotate, wherein the turbofan assembly comprises a first annular support and first vanes disposed on the first annular support, the first vanes extend along the axial direction of the turbofan, and the first annular support forms a space in the interior thereof, wherein vanes of the inlet fan assembly extend along the radial direction of the turbofan, wherein the inlet fan assembly is disposed in the space and located at one side of the first annular support in proximity to the inlet, wherein a diameter of the inlet fan assembly matches with an inner diameter of the first annular support.