Variable guide vane extended variable fillet

摘要

A guide vane is disclosed. The guide vane includes a button, a trunnion connected to the button, and an airfoil connected to the button. The airfoil includes an overhang portion wherein the overhang portion extends from one end of the button to a distal end of the airfoil. The guide vane includes a button corner located near the beginning of the overhang portion. The guide vane includes a variable fillet extending into the overhang portion. The variable fillet includes sections of different radiuses along the length of the fillet.

主权项

1. A guide vane comprising:
a first button; a first trunnion connected to the first button; an airfoil connected to the first button, the airfoil including a leading edge, a trailing edge, and a first overhang portion, wherein the first overhang portion extends from one end of the first button toward the trailing edge of the airfoil; a first button corner located between the airfoil and the first button adjacent the first overhang portion; and a first variable fillet extending between the first button and the airfoil and extending into the first overhang portion, the first variable fillet including sections of different radiuses along an extruded length of the fillet, wherein one of the sections of different radiuses comprises a first bulge located proximal the first button corner.