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
HERKES WILLIAM H, BURNSIDE KEVIN A, OLSEN RONALD F: [fr] Moniteur démissions et de bruit de la communauté à bord dun avion, [de] Flugzeuggemeinschaftsrauschen und Strahlungsmonitor an Bord, [en] Onboard airplane community noise and emissions monitor. BOEING CO, February 23, 2011: EP2287822-A2 (5 worldwide citation)

[en] A method for monitoring airplane noise and emissions may include receiving a predetermined set of engine performance data for an airplane and receiving a predetermined set of airplane flight data for the airplane. The method may also include predicting at least one of a noise level and an emiss ...


3
Olsen Ronald F, Orzechowski Jeffery M: Jet engine fan noise reduction system utilizing electro pneumatic transducers. Boeing, July 30, 1997: EP0786131-A1 (2 worldwide citation)

A jet engine fan noise reduction system. The noise reduction system includes active noise control to suppress fan tone noise of an airplane flyover noise signature. The active noise control includes microphones with acoustic transducers upstream and downstream of the engine fan and fan exit guide va ...


4
Olsen Ronald F, Orzechowski Jeffery M: Systeme utilisant des transducteur electropneumatiques pour reduire le bruit de soufflante des moteurs a reaction, Jet engine fan noise reduction system utilizing electro-pneumatic transducers. The Boeing Company, The Boeing Company, BULL HOUSSER & TUPPER, April 25, 1996: CA2200053

A jet engine fan noise reduction system. The noise reduction system includes active noise control to suppress fan (15) tone noise of an airplane flyover noise signature. The active noise control includes microphones (1, 11) with acoustic transducers upstream and downstream of the engine fan (15) and ...


5
Olsen Ronald F, Orzechowski Jeffery M: Jet engine fan noise reduction system utilizing electro pneumatic transducers. The Boeing Company, GARDNER Conrad O, April 25, 1996: WO/1996/012269

A jet engine fan noise reduction system. The noise reduction system includes active noise control to suppress fan (15) tone noise of an airplane flyover noise signature. The active noise control includes microphones (1, 11) with acoustic transducers upstream and downstream of the engine fan (15) and ...