1
Breer Marlin D, Olsen Ronald F, Kunze Robert K Jr, Riedel Brian L: Method and apparatus for aircraft inlet ice protection. Boeing, May 30, 2001: EP1103462-A1 (20 worldwide citation)

An inlet ice protection system (60), and methods for making and using ice protection systems. The inlet (50) includes an acoustic liner (70a,70b) having a perforated face sheet (71a,71b), a perforated back sheet (72a,72b), and an acoustic core (75a,75b) between the face sheet and the back sheet. The ...


2
Clarke James A, Kunze Robert K Jr: Method of forming acoustic attenuation chambers using laser processing of multi-layered polymer films. Northrop Grumman, July 18, 2001: EP1115561-A1

A method of forming an acoustic attenuation chambers within a honeycomb core. The honeycomb core have a plurality of honeycomb cells having interconnected side walls. A plurality of septum layers are spaced from one another within the honeycomb cells to define acoustic attenuation chambers between t ...


3
Clarke James A, Kunze Robert K Jr: Method of forming acoustic attenuation chambers using laser processing of multi-layered polymer films. Northrop Grumman Corporation, ANDERSON Terry J, March 23, 2000: WO/2000/015427

In accordance with the present invention, there is provided a method of forming acoustic attenuation chambers within a honeycomb core (12). The honeycomb core (12) has a plurality of honeycomb cells (14) having interconnected side walls (18). A plurality of septum layers (20a, 20b) are spaced from o ...