Pratt-Whitney Canada Corp

Edward Cox

Daniel Poick

The variable vane arm mechanism can have an actuator ring defined around a main axis, a set of vanes having a plurality of vanes circumferentially distributed around the main axis, each vane having a vane axis extending from an inner end to an outer end and being rotatable around the vane axis, each vane having a vane arm, a plurality of pins circumferentially distributed around a main axis, slide blocks engaged with corresponding ones of the pins in a manner to rotate around the pins, and guide slots having a length extending away from corresponding ones of the vane axes, each guide slot slidingly receiving a corresponding slide block.

Variable vane arm mechanism for gas turbine engine and method of operation

A spigot joint between two rotating components of a gas turbine engine comprises a male portion engaged with a female portion. The male portion has a radially outer finger spring-loaded against a surrounding surface of the female portion, and a radially inner finger spaced from the radially outer finger by a gap.

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Oakville, Canada

Edward Cox