Bellcrank for a variable vane assembly
First Claim
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1. A gas turbine engine comprising:
- a flow path; and
a variable vane assembly comprising;
a variable vane positioned in the flow path and rotatable about an axis of the variable vane;
an actuator; and
a mechanical linkage connecting the variable vane to the actuator, the mechanical linkage comprising;
a bellcrank rotatable about an axis;
a first bellcrank arm having a first clevis at an inner end; and
a first pin extending through the first clevis and a first flange of the bellcrank to fasten the bellcrank arm to the bellcrank.
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Abstract
A variable vane assembly for use in a gas turbine engine includes a variable vane, an actuator, and a mechanical linkage. The mechanical linkage connects the variable vane to the actuator. The mechanical linkage includes a bellcrank rotatable about an axis, a first bellcrank arm having a first clevis at an inner end, and a first pin extending through the first clevis and a first flange of the bellcrank to fasten the first bellcrank arm to the bellcrank.
34 Citations
20 Claims
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1. A gas turbine engine comprising:
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a flow path; and a variable vane assembly comprising; a variable vane positioned in the flow path and rotatable about an axis of the variable vane; an actuator; and a mechanical linkage connecting the variable vane to the actuator, the mechanical linkage comprising; a bellcrank rotatable about an axis; a first bellcrank arm having a first clevis at an inner end; and a first pin extending through the first clevis and a first flange of the bellcrank to fasten the bellcrank arm to the bellcrank. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A variable vane assembly for use in a gas turbine engine, the variable vane assembly comprising:
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a variable vane; an actuator; and a mechanical linkage connecting the variable vane to the actuator, the mechanical linkage comprising; a bellcrank rotatable about an axis; a first bellcrank arm having a first clevis at an inner end; and a first pin extending through the first clevis and a first flange of the bellcrank to fasten the first bellcrank arm to the bellcrank. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A method of assembling a variable vane assembly for use in a gas turbine engine, the method comprising:
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positioning a flange of a bellcrank in a clevis of a bellcrank arm; and inserting a pin through the flange and the clevis to connect the bellcrank arm to the bellcrank. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification