ClassID:

140341

F02K1/44 - CPC Classification

Classification description:

Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto Nozzles having means, e.g. a shield, reducing sound radiation in a specified direction

Recent Application in this class:
#1
20260092578
2026-04-02

AIRCRAFT POWERPLANT EXHAUST SECTION WITH FLOW DIVERTER

#2
20250207542
2025-06-26

ACOUSTIC ENGINE EXHAUST CENTER BODY WITH TAPERED INNER SKIN

#3
20250003374
2025-01-02

LOW-FREQUENCY ACOUSTIC CENTER BODY

#4
20240229737
2024-07-11

FLUIDIC PROPULSION SYSTEM ENCLOSURE

#5
20240167434
2024-05-23

FAN CASE ASSEMBLY OF TURBO FAN ENGINE

#6
20230213001
2023-07-06

Ultra quiet split flow thrust reverser

#7
20220268236
2022-08-25

Supersonic aircraft and method of reducing sonic booms and jet noise

#8
20220056800
2022-02-24

Systems and methods for non-contact boring

#9
20210301761
2021-09-30

Variable area nozzle exhaust system with integrated thrust reverser

#10
20210094699
2021-04-01

Aircraft engine exhaust systems enabling reduced length aft strut fairings

#11
20200300196
2020-09-24

Structural and/or acoustic panel of a nacelle of an aircraft propulsion assembly and related manufacturing method

#12
20200180238
2020-06-11

Lobed tubular piece made of a composite with unidirectional fibers

#13
20200080512
2020-03-12

Acoustic fairing

#14
20190331002
2019-10-31

Gas turbine engine exhaust component

#15
20190323453
2019-10-24

Tail cone apparatus and methods for reducing nozzle surface temperatures

#16
20190234345
2019-08-01

Nozzle of a turbomachine provided with chevrons with a non-axisymmetric inner face

#17
20180094605
2018-04-05

TURBOFAN ENGINE FOR A CIVIL SUPERSONIC AIRCRAFT

#18
20180066545
2018-03-08

Turbomachine test bench with active noise control

#19
20180030896
2018-02-01

Acoustic liners and method of shaping an inlet of an acoustic liner

#20
20160333823
2016-11-17

Passive edge-tone suppression method

#21
20160312662
2016-10-27

Exhaust assembly center body

#22
20160265441
2016-09-15

HIGH TEMPERATURE, LOW OXIDATION, AMORPHOUS SILICON-COATED TITANIUM

#23
20160160797
2016-06-09

Nozzle of a turbomachine provided with chevrons with a non-axisymmetric inner face

#24
20150060194
2015-03-05

Sound absorber, sound absorber assembly and an engine with a sound absorber assembly

#25
20150000252
2015-01-01

Rotational annular airscrew with integrated acoustic arrester

#26
20140209408
2014-07-31

Exhaust cone

#27
20140158458
2014-06-12

Exhaust cone for aircraft turbojet engine

#28
20130306401
2013-11-21

Sound absorber for a gas turbine exhaust cone, and method for the production thereof

#29
20130232949
2013-09-12

PRESSURE BALANCED AREA CONTROL OF HIGH ASPECT RATIO NOZZLE

#30
20120240587
2012-09-27

Noise reduction system

#31
20120228054
2012-09-13

Noise reduction system with chamber

#32
20120006614
2012-01-12

Gas-turbine exhaust cone

#33
20110162383
2011-07-07

Inlet bleed heat system with ejector/mixer nozzles for noise reduction

#34
20110000181
2011-01-06

Noise reducing device and jet propulsion system

#35
20100326060
2010-12-30

Device and method for controlling vortex structures in a turbulent air jet

#36
20100212288
2010-08-26

Jet engine exhaust nozzle and associated system and method of use

#37
20100119819
2010-05-13

COATING

#38
20100038476
2010-02-18

Device that makes it possible to improve the effectiveness of the acoustic treatments in a pipe of an aircraft power plant

#39
20100006697
2010-01-14

LOW NOISE AIRCRAFT

#40
20090277181
2009-11-12

AIRCRAFT PROPULSION UNIT THAT COMPRISES AN EXHAUST PIPE WITH A SCALLOPED TRAILING EDGE

#41
20090199565
2009-08-13

Stave and ring CMC nozzle

#42
20090121046
2009-05-14

Apparatus and method for reduction of jet noise from turbofan engines having separate bypass and core flaws

#43
20090044541
2009-02-19

Apparatus and method for reduction of jet noise from single jets

#44
20080264718
2008-10-30

Jet nozzle having noise attenuating shield and method therefor

#45
20080248300
2008-10-09

Processes for repairing erosion resistant coatings

#46
20080016873
2008-01-24

Outlet device for a jet engine and a jet engine comprising such an outlet device

#47
20070295860
2007-12-27

Propulsion system, aircraft comprising the propulsion system and an outlet device for a jet engine

#48
20070272477
2007-11-29

Central body for a turbojet exhaust channel, turbojet

#49
20070034447
2007-02-15

Acoustic liner with bypass cooling

#50
20060169533
2006-08-03

Acoustic liner with a nonuniform depth backwall

#51
20060101803
2006-05-18

Reduced noise jet engine

#52
20050223692
2005-10-13

Apparatus and method for reduction of jet noise from turbofan engines having separate bypass and core flows

#53
20050223691
2005-10-13

Apparatus and method for reduction jet noise from single jets

#54
20050150207
2005-07-14

Fluidic diverter valve with a variable valve-bore clearance

#55
20050011988
2005-01-20

Aircraft wing and aeroengine arrangement for attenuating engine noise

#56
15387482
2017-10-31

Axially translating and radially tilting fan nozzle segments with combined actuation and position sensing