RU2017135487A - A method of manufacturing a blank of a sound-absorbing structure - Google Patents
A method of manufacturing a blank of a sound-absorbing structure Download PDFInfo
- Publication number
- RU2017135487A RU2017135487A RU2017135487A RU2017135487A RU2017135487A RU 2017135487 A RU2017135487 A RU 2017135487A RU 2017135487 A RU2017135487 A RU 2017135487A RU 2017135487 A RU2017135487 A RU 2017135487A RU 2017135487 A RU2017135487 A RU 2017135487A
- Authority
- RU
- Russia
- Prior art keywords
- walls
- membrane covers
- membrane
- cells
- flange portion
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims 4
- 239000012528 membrane Substances 0.000 claims 12
- 239000013013 elastic material Substances 0.000 claims 5
- 239000012858 resilient material Substances 0.000 claims 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
- F02C7/045—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for noise suppression
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/24—Heat or noise insulation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Claims (3)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2017135487A RU2699298C2 (en) | 2017-10-05 | 2017-10-05 | Method for manufacturing acoustic structure blank |
PCT/RU2018/000640 WO2019070156A1 (en) | 2017-10-05 | 2018-10-03 | Method for fabricating a blank of an acoustic structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2017135487A RU2699298C2 (en) | 2017-10-05 | 2017-10-05 | Method for manufacturing acoustic structure blank |
Publications (3)
Publication Number | Publication Date |
---|---|
RU2017135487A3 RU2017135487A3 (en) | 2019-04-08 |
RU2017135487A true RU2017135487A (en) | 2019-04-08 |
RU2699298C2 RU2699298C2 (en) | 2019-09-04 |
Family
ID=65995404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2017135487A RU2699298C2 (en) | 2017-10-05 | 2017-10-05 | Method for manufacturing acoustic structure blank |
Country Status (2)
Country | Link |
---|---|
RU (1) | RU2699298C2 (en) |
WO (1) | WO2019070156A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2747346C1 (en) * | 2020-07-13 | 2021-05-04 | Акционерное общество «ОДК-Авиадвигатель» | Automated method for producing a cellular filler with membrane covers |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4265955A (en) * | 1978-05-01 | 1981-05-05 | The Boeing Company | Honeycomb core with internal septum and method of making same |
US5997985A (en) * | 1998-09-10 | 1999-12-07 | Northrop Grumman Corporation | Method of forming acoustic attenuation chambers using laser processing of multi-layered polymer films |
US8413761B2 (en) * | 2005-04-04 | 2013-04-09 | Hexcel Corporation | Acoustic honeycomb with perforated septum caps |
US7510052B2 (en) * | 2005-04-04 | 2009-03-31 | Hexcel Corporation | Acoustic septum cap honeycomb |
DE102009002697B4 (en) * | 2009-04-28 | 2014-02-27 | Airbus Operations Gmbh | Mold core and method for producing a fiber composite component for the aerospace industry |
US9469985B1 (en) * | 2015-05-11 | 2016-10-18 | Hexcel Corporation | Acoustic structures with multiple degrees of freedom |
-
2017
- 2017-10-05 RU RU2017135487A patent/RU2699298C2/en active
-
2018
- 2018-10-03 WO PCT/RU2018/000640 patent/WO2019070156A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
RU2017135487A3 (en) | 2019-04-08 |
RU2699298C2 (en) | 2019-09-04 |
WO2019070156A1 (en) | 2019-04-11 |
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QZ41 | Official registration of changes to a registered agreement (patent) |
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