Patent ID: 11912210
Assignee: MANN+HUMMEL GMBH
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC B  F  G | IPC B  F  G

Claim 4:
5. The broadband resonator according to claim 4, wherein
the rotational alignment locking structure further includes two axially projecting walls, spaced apart circumferentially adjacent to opposite side of the indentation, the two axially projecting walls projecting axially outwardly from and extending on the at least one of the plurality of annular disk-shaped walls, in a direction away from the indention and towards the circumferential outer wall of the tubular pipe;
wherein the two axially projecting walls are configured for contact against the projection feature of the resonator casing to enforce a desired rotational alignment of the resonator insert in the resonator casing.