ClassID:

140371

F02K1/827 - page 2 - CPC Classification

Classification description:

Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto; Other construction of jet pipes; Jet pipe walls, e.g. liners Sound absorbing structures or liners

Recent Application in this class:
#301
20070220894
2007-09-27

Central body of a turbojet nozzle

#302
20070169990
2007-07-26

Jet engine

#303
20070034447
2007-02-15

Acoustic liner with bypass cooling

#304
20070034446
2007-02-15

Architecture for an acoustic liner

#305
20060237261
2006-10-26

Acoustic mechanical retainer

#306
20060237260
2006-10-26

Duct liner acoustic splice

#307
20060231329
2006-10-19

Acoustic dampers

#308
20060169533
2006-08-03

Acoustic liner with a nonuniform depth backwall

#309
20060169532
2006-08-03

Acoustic liner with nonuniform impedance

#310
20060137352
2006-06-29

Augmentor liner

#311
20060112676
2006-06-01

Cooled duct for gas turbine engine

#312
20060102419
2006-05-18

Thermal—acoustic enclosure

#313
20060060421
2006-03-23

Acoustic liner use of such a liner and method for manufacturing an acoustic liner

#314
20060059674
2006-03-23

Procedure for replacement of acoustic liner in integrated exhaust duct muffler for use with airborne auxiliary power units

#315
20060053767
2006-03-16

Method and device for reducing engine noise

#316
20060043236
2006-03-02

Integrated axially varying engine muffler, and associated methods and systems

#317
20060024154
2006-02-02

Zero acoustic splice fan case liner

#318
20060005545
2006-01-12

Localized arc filament plasma actuators for noise mitigation and mixing enhancement

#319
20050284690
2005-12-29

High admittance acoustic liner

#320
20050147790
2005-07-07

Method for making a soundproofing panel with at least one double resonator

#321
20050082112
2005-04-21

Annular acoustic panel

#322
20050039437
2005-02-24

Turbofan variable fan nozzle

#323
13537816
2016-12-06

Acoustic liners for turbine engines