Invention Application
US20160160670A1 VANE ASSEMBLY OF A GAS TURBINE ENGINE 审中-公开
气体涡轮发动机的风机组件

VANE ASSEMBLY OF A GAS TURBINE ENGINE
Abstract:
A first stage vane array of a high pressure turbine that may be for a geared turbofan engine includes a plurality of airfoils circumferentially spaced from one-another and orientated about an engine axis. Each airfoil has a leading edge and a trailing edge with the trailing edge being circumferentially separated by the next adjacent trailing edge by a pitch distance. The leading a trailing edges of each one of the plurality of airfoils are axially separated by an axial chord length. A pitch-to-chord ratio of the pitch distance over the axial chord length is equal to or greater than 1.7.
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