CN108331789B - Damping-adjustable magnetorheological piezoelectric exhaust silencer - Google Patents
Damping-adjustable magnetorheological piezoelectric exhaust silencer Download PDFInfo
- Publication number
- CN108331789B CN108331789B CN201810285376.XA CN201810285376A CN108331789B CN 108331789 B CN108331789 B CN 108331789B CN 201810285376 A CN201810285376 A CN 201810285376A CN 108331789 B CN108331789 B CN 108331789B
- Authority
- CN
- China
- Prior art keywords
- cavity
- cylinder
- sound
- rotating shaft
- piezoelectric
- 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.)
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Links
- 230000003584 silencer Effects 0.000 title claims abstract description 11
- 238000013016 damping Methods 0.000 claims abstract description 19
- 238000005192 partition Methods 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 239000011491 glass wool Substances 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 229910000906 Bronze Inorganic materials 0.000 claims description 2
- 229910052790 beryllium Inorganic materials 0.000 claims description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical group [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000010974 bronze Substances 0.000 claims description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 11
- 230000030279 gene silencing Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 8
- 230000009467 reduction Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/12—Combinations with mechanical gearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0083—Pulsation and noise damping means using blow off silencers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/001—Noise damping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/535—Magnetorheological [MR] fluid dampers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Architecture (AREA)
- Exhaust Silencers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810285376.XA CN108331789B (en) | 2018-03-19 | 2018-03-19 | Damping-adjustable magnetorheological piezoelectric exhaust silencer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810285376.XA CN108331789B (en) | 2018-03-19 | 2018-03-19 | Damping-adjustable magnetorheological piezoelectric exhaust silencer |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108331789A CN108331789A (en) | 2018-07-27 |
CN108331789B true CN108331789B (en) | 2020-09-15 |
Family
ID=62931843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810285376.XA Active CN108331789B (en) | 2018-03-19 | 2018-03-19 | Damping-adjustable magnetorheological piezoelectric exhaust silencer |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108331789B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111188423A (en) * | 2020-03-13 | 2020-05-22 | 邵斌 | Building partition plate with noise reduction function for house removal |
CN114613346A (en) * | 2020-12-08 | 2022-06-10 | 香港大学浙江科学技术研究院 | Tunable sound insulation device and method for controlling sound insulation |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87205551U (en) * | 1987-03-24 | 1988-01-27 | 昆明大滇实业公司金属推拉窗门厂 | Multi-effect all frequency spring push-pull combined muffler |
CN1482376A (en) * | 2003-07-24 | 2004-03-17 | 上海交通大学 | Construction variable rotary magnetic current flowing deforming brake |
CN2659492Y (en) * | 2003-12-05 | 2004-12-01 | 中国科学技术大学 | Combined magnetic rheopetic rotary damper |
CN1900555A (en) * | 2005-07-20 | 2007-01-24 | 上海工程技术大学 | Rotary type magnetic flow change torque changer |
CN202789016U (en) * | 2012-07-13 | 2013-03-13 | 成都进界科技有限公司 | Engine exhaust silencer |
CN206769998U (en) * | 2017-05-12 | 2017-12-19 | 广州卡迅能源科技有限公司 | A kind of muffler of generating set |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09184497A (en) * | 1995-12-28 | 1997-07-15 | Daikin Ind Ltd | Fan noise reducing device |
-
2018
- 2018-03-19 CN CN201810285376.XA patent/CN108331789B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87205551U (en) * | 1987-03-24 | 1988-01-27 | 昆明大滇实业公司金属推拉窗门厂 | Multi-effect all frequency spring push-pull combined muffler |
CN1482376A (en) * | 2003-07-24 | 2004-03-17 | 上海交通大学 | Construction variable rotary magnetic current flowing deforming brake |
CN2659492Y (en) * | 2003-12-05 | 2004-12-01 | 中国科学技术大学 | Combined magnetic rheopetic rotary damper |
CN1900555A (en) * | 2005-07-20 | 2007-01-24 | 上海工程技术大学 | Rotary type magnetic flow change torque changer |
CN202789016U (en) * | 2012-07-13 | 2013-03-13 | 成都进界科技有限公司 | Engine exhaust silencer |
CN206769998U (en) * | 2017-05-12 | 2017-12-19 | 广州卡迅能源科技有限公司 | A kind of muffler of generating set |
Also Published As
Publication number | Publication date |
---|---|
CN108331789A (en) | 2018-07-27 |
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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Meng Guolian Inventor after: Wang Hongyun Inventor after: Bi Cheng Inventor after: Zhu Junhua Inventor after: Zhao Shuang Inventor after: E Shiju Inventor before: Wang Hongyun Inventor before: Zhao Shuang Inventor before: Bi Cheng Inventor before: Zhu Junhua Inventor before: E Shiju Inventor before: Meng Guolian |
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CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |