Air intake with changing wall thickness and associated nacelle
AssigneeAirbus Operations GmbH
InventorsUmberto Gastaldi, Brice Saudel, Grégoire Smith, Julien Aubry
Life of this patent
Estimating the term…
Abstract
An air intake that makes it possible to avoid stiffeners and a front frame includes a lip, at least one external panel extending the lip on the outer side, at least one internal panel extending the lip on the inner side, the wall of the air intake having a thickness of value e. The thickness of the wall of the air intake changes longitudinally and comprises a zone at the front longitudinal end having a thickness of value e2 greater than the thickness e. In this way, the thickness of the air intake is optimized according to the needs of the zone concerned. A nacelle and propulsive assembly are provided with such air intake.
Claims17
An air intake comprising:
- a lip;
- at least one external panel that extends the lip on an outer side of the air intake;
- and
- at least one internal panel that extends the lip on an inner side of the air intake;
- wherein the lip and the at least one external panel together define a wall that has a thickness that changes longitudinally;
- and
- wherein the wall comprises:
- a front zone, at a front longitudinal end of the air intake, wherein the front zone has a thickness that is greater than a thickness of any other portion of the wall;
- and
- an acoustic treatment zone at an inner face of the air intake, beyond the front zone, wherein the acoustic treatment zone has a thickness smaller than the thickness of the wall;
- wherein the thickness of the acoustic treatment zone has a value between 30% and 50% less than a value of the thickness of another portion of the wall.
An air intake comprising:
- a lip;
- at least one external panel that extends the lip on an outer side of the air intake;
- and
- at least one internal panel that extends the lip on an inner side of the air intake;
- wherein the lip and the at least one external panel together define a wall that has a thickness that changes longitudinally;
- wherein the at least one internal panel defines a further wall, which is connected to the wall by a join;
- wherein the wall comprises:
- a front zone, at a front longitudinal end of the air intake, wherein the front zone has a thickness that is greater than thickness of any other portion of the wall;
- and
- at least one joining zone that is adjacent to the join and has an unchanging thickness;
- and
- wherein the wall and the further wall form all walls of the air intake;
- wherein the thickness of the front zone changes and is maximal at a longitudinally extreme transverse line;
- wherein a maximum thickness at the longitudinally extreme transverse line of the front zone has a value between 30% and 50% greater than a value of the thickness of the wall.
An air intake comprising:
- a lip;
- at least one external panel that extends the lip on an outer side of the air intake;
- and
- at least one internal panel that extends the lip on an inner side of the air intake;
- wherein the lip and the at least one external panel together define a wall that has a thickness that changes longitudinally;
- wherein the wall comprises a front zone, at a front longitudinal end of the air intake, wherein the front zone has a thickness that is greater than thickness of any other portion of the wall;
- and
- wherein a maximum thickness of the front zone at a longitudinally extreme transverse line has a value between 30% and 50% greater than a value of the thickness of another portion of the wall.
Dependencies are inferred from the claim text.