Patent ID: 11869472
Assignee: ROHR, INC.
Field: Other consumer goods (Other fields)
Classification: CPC G  F | IPC G

Claim 0:
1. An acoustic panel system, comprising:
a perforated first skin;
a second skin; and
a core connected to the perforated first skin and the second skin, the core including a plurality of chambers and a first constriction;
each of the plurality of chambers extending vertically through the core between the perforated first skin and the second skin, and the plurality of chambers comprising a first chamber;
the first constriction configured to divide the first chamber into a plurality of fluidly coupled sub-chambers, and the first constriction comprising a shape memory material; and
an actuator configured to actuate deformation of the first constriction;
wherein the first constriction includes and extends vertically between a first end and a second end;
wherein the first end is attached to a sidewall of the first chamber; and
wherein an intermediate portion of the first constriction, vertically between the first end and the second end, is not attached to the sidewall of the first chamber such that the intermediate portion of the first constriction is configured to move laterally away from the sidewall of the first chamber when actuated by the actuator.