Protection device for protecting control mechanism of inlet guide-vanes of turbojet engine
First Claim
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1. A protection device for protecting a control mechanism of a plurality of inlet guide-vanes at an entrance to a turbojet engine, said protection device comprising:
- a direction control actuator;
a frangible transmission part activated by said direction control actuator;
a control ring driven by said direction control actuator using said frangible transmission part;
a control lever for each of said plurality of inlet guide-vanes;
a control ring actuating each of said control levers, wherein said frangible transmission part is a single component which constitutes a link of said control mechanism positioned between said direction control actuator and said control ring;
lateral stops fastened laterally to said control ring; and
a projection used to position a pivoting pin of each of said plurality of inlet guide-vanes, wherein said lateral stops come to bear on said projection.
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Abstract
A protection device for protecting a control mechanism of inlet guide-vanes of a turbojet engine includes a narrowed section on a connecting rod. The connecting rod is for transmitting the movement of a spindle of a piston of the control mechanism or actuator to a control ring that directs all of the inlet guide-vanes. The narrowed section of the connecting rod is a frangible part.
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Citations
14 Claims
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1. A protection device for protecting a control mechanism of a plurality of inlet guide-vanes at an entrance to a turbojet engine, said protection device comprising:
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a direction control actuator;
a frangible transmission part activated by said direction control actuator;
a control ring driven by said direction control actuator using said frangible transmission part;
a control lever for each of said plurality of inlet guide-vanes;
a control ring actuating each of said control levers, wherein said frangible transmission part is a single component which constitutes a link of said control mechanism positioned between said direction control actuator and said control ring;
lateral stops fastened laterally to said control ring; and
a projection used to position a pivoting pin of each of said plurality of inlet guide-vanes, wherein said lateral stops come to bear on said projection. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A protection device for protecting a control mechanism of a plurality of inlet guide-vanes at an entrance to a turbojet engine, said protection device comprising:
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a direction control actuator;
a frangible transmission part activated by said direction control actuator;
a control ring driven by said direction control actuator using said frangible transmission part;
a control lever for each of said plurality of inlet guide-vanes;
a control ring actuating each of said control levers, wherein said frangible transmission part is a single component which constitutes a link of said control mechanism positioned between said direction control actuator and said control ring, and wherein said frangible transmission part is a connecting rod which includes a narrowed section, said connecting rod having a first end connected to a pivoting transmission part, said pivoting transmission part being connected to a spindle of said direction control actuator, and said connecting rod having a second end connected to said control ring. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification