DE2343560C2 - Schalldämpfende Entlüftungsvorrichtung - Google Patents
Schalldämpfende EntlüftungsvorrichtungInfo
- Publication number
- DE2343560C2 DE2343560C2 DE2343560A DE2343560A DE2343560C2 DE 2343560 C2 DE2343560 C2 DE 2343560C2 DE 2343560 A DE2343560 A DE 2343560A DE 2343560 A DE2343560 A DE 2343560A DE 2343560 C2 DE2343560 C2 DE 2343560C2
- Authority
- DE
- Germany
- Prior art keywords
- wall element
- perforated wall
- flow
- sound
- pressure difference
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000009423 ventilation Methods 0.000 title claims description 34
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 10
- 230000035699 permeability Effects 0.000 claims 1
- 239000003570 air Substances 0.000 description 13
- 230000001681 protective effect Effects 0.000 description 13
- 238000009413 insulation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 239000002657 fibrous material Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 239000012814 acoustic material Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011799 hole material Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0046—Devices for removing chips by sucking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0078—Safety devices protecting the operator, e.g. against accident or noise
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0078—Safety devices protecting the operator, e.g. against accident or noise
- B23Q11/0096—Safety devices protecting the operator, e.g. against accident or noise protecting against noise
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S454/00—Ventilation
- Y10S454/906—Noise inhibiting means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Combustion & Propulsion (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00284423A US3820627A (en) | 1972-08-28 | 1972-08-28 | Apparatus for noise and air pollution abatement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2343560A1 DE2343560A1 (de) | 1974-03-07 |
| DE2343560C2 true DE2343560C2 (de) | 1984-03-29 |
Family
ID=23090172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2343560A Expired DE2343560C2 (de) | 1972-08-28 | 1973-08-24 | Schalldämpfende Entlüftungsvorrichtung |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3820627A (OSRAM) |
| JP (1) | JPS5832400B2 (OSRAM) |
| CA (1) | CA987238A (OSRAM) |
| CH (1) | CH574659A5 (OSRAM) |
| DE (1) | DE2343560C2 (OSRAM) |
| FR (1) | FR2198679A5 (OSRAM) |
| GB (1) | GB1436727A (OSRAM) |
| IT (1) | IT990335B (OSRAM) |
| SE (1) | SE389621B (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941056A (zh) * | 2018-07-14 | 2018-12-07 | 芜湖中淇节能科技有限公司 | 一种节能型仪器仪表吸尘装置 |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5220241B2 (OSRAM) * | 1973-05-24 | 1977-06-02 | ||
| US3905444A (en) * | 1974-08-30 | 1975-09-16 | Jr William O Evans | Soundproofing enclosures |
| US3935923A (en) * | 1974-09-26 | 1976-02-03 | Wheeler Richard T | Telescopic enclosure |
| FR2432144A1 (fr) * | 1978-06-09 | 1980-02-22 | Omia Soc | Dispositif de reglage de debit d'air, notamment pour cabines de peinture |
| US4315458A (en) * | 1980-12-01 | 1982-02-16 | Hudson Iii Raymond M | Ventilated wind-diverter shed for man-spraying of polyurethane foam from within onto roofs |
| JPS62113099A (ja) * | 1985-11-12 | 1987-05-23 | 株式会社アトックス | 廃ｈｅｐａフイルタの濾材減容装置 |
| US4932354A (en) * | 1987-02-27 | 1990-06-12 | Specified Equipment Systems Co., Inc. | Moveable spray enclosure |
| GB8803829D0 (en) * | 1988-02-18 | 1988-03-16 | Clowes A D | Chain saw guard apparatus |
| JP2638955B2 (ja) * | 1988-07-14 | 1997-08-06 | 日本精工株式会社 | 無塵室用作動装置 |
| US9316133B2 (en) * | 2003-12-22 | 2016-04-19 | Bonnie S. Schnitta | Perforation acoustic muffler assembly and method of reducing noise transmission through objects |
| US7442121B2 (en) * | 2004-12-29 | 2008-10-28 | Wellman Defence Limited | Textile ducts |
| GB2421786B (en) * | 2004-12-29 | 2009-12-16 | Limited Wellman Defence | Improvements in or relating to textile ducts |
| DE102008004774A1 (de) * | 2008-01-16 | 2009-07-23 | Krones Ag | Vorrichtung und Verfahren zur Trocknung von Gegenständen, insbesondere von Flüssigkeitsbehältern |
| GB2465364B (en) * | 2008-11-13 | 2011-03-30 | Thermo Fisher Scient | Enclosure,assembly and method for reducing noise from a pump |
| CN104439312A (zh) * | 2014-12-01 | 2015-03-25 | 池州市邦鼐机电科技有限公司 | 一种带气冷的保护装置 |
| JP2017113846A (ja) * | 2015-12-25 | 2017-06-29 | ファナック株式会社 | ワイヤ放電加工機のワイヤ電極回収装置 |
| EP3523197B1 (en) | 2016-10-05 | 2020-09-09 | Bombardier Inc. | Noise reducing air duct |
| CN106391642A (zh) * | 2016-11-04 | 2017-02-15 | 珠海锐耐特科技有限公司 | Aoi自动光学检测仪3c铜屑清洁装置 |
| US11059080B2 (en) * | 2017-11-06 | 2021-07-13 | Novarc Technologies Inc. | Hood for fume extractor |
| CN110238445B (zh) * | 2019-06-13 | 2020-11-17 | 阜阳万瑞斯电子锁业有限公司 | 一种电子锁零部件加工用切割装置 |
| US20210316343A1 (en) * | 2020-04-09 | 2021-10-14 | Imperial Systems, Inc. | Fume Hood Having Structurally Integrated Components |
| CN111745456A (zh) * | 2020-06-23 | 2020-10-09 | 蒙正欢 | 一种用于钻床的防护装置 |
| CN114722734B (zh) * | 2022-03-14 | 2024-04-12 | 西北工业大学 | 一种基于可渗透面的声学速度时域外推方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR910388A (fr) * | 1945-04-20 | 1946-06-05 | Marocaine De Const Mecaniques | Procédé pour insonoriser les salles de spectacles par l'emploi de revêtements en matière moulée, ininflammable |
| GB922517A (en) * | 1959-08-26 | 1963-04-03 | Fittsburgh Corning Corp | Improvements in or relating to sound absorbing systems |
-
1972
- 1972-08-28 US US00284423A patent/US3820627A/en not_active Expired - Lifetime
-
1973
- 1973-08-14 GB GB3847473A patent/GB1436727A/en not_active Expired
- 1973-08-21 SE SE7311336A patent/SE389621B/xx unknown
- 1973-08-23 CA CA179,541A patent/CA987238A/en not_active Expired
- 1973-08-24 DE DE2343560A patent/DE2343560C2/de not_active Expired
- 1973-08-27 IT IT52196/73A patent/IT990335B/it active
- 1973-08-28 JP JP48096559A patent/JPS5832400B2/ja not_active Expired
- 1973-08-28 CH CH1233073A patent/CH574659A5/xx not_active IP Right Cessation
- 1973-08-28 FR FR7331058A patent/FR2198679A5/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941056A (zh) * | 2018-07-14 | 2018-12-07 | 芜湖中淇节能科技有限公司 | 一种节能型仪器仪表吸尘装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4958631A (OSRAM) | 1974-06-06 |
| JPS5832400B2 (ja) | 1983-07-12 |
| US3820627A (en) | 1974-06-28 |
| CA987238A (en) | 1976-04-13 |
| CH574659A5 (OSRAM) | 1976-04-15 |
| FR2198679A5 (OSRAM) | 1974-03-29 |
| DE2343560A1 (de) | 1974-03-07 |
| SE389621B (sv) | 1976-11-15 |
| GB1436727A (en) | 1976-05-26 |
| IT990335B (it) | 1975-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8181 | Inventor (new situation) |
Free format text: WIRT, LESLIE SPENCER, NEWHALL, CALIF., US |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |