JPH0260844B2 - - Google Patents

Info

Publication number
JPH0260844B2
JPH0260844B2 JP60175196A JP17519685A JPH0260844B2 JP H0260844 B2 JPH0260844 B2 JP H0260844B2 JP 60175196 A JP60175196 A JP 60175196A JP 17519685 A JP17519685 A JP 17519685A JP H0260844 B2 JPH0260844 B2 JP H0260844B2
Authority
JP
Japan
Prior art keywords
frequency
resonator
resonant
sound source
rotational speed
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 - Lifetime
Application number
JP60175196A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6235008A (ja
Inventor
Teruyuki Izumi
Tatsuo Narisei
Yasuo Fukui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Institute of Advanced Industrial Science and Technology
Original Assignee
Agency of Industrial Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP60175196A priority Critical patent/JPS6235008A/ja
Publication of JPS6235008A publication Critical patent/JPS6235008A/ja
Publication of JPH0260844B2 publication Critical patent/JPH0260844B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/14—Dead or resonance chambers connected to gas flow tube by relatively short side-tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP60175196A 1985-08-08 1985-08-08 温度制御式適応消音装置 Granted JPS6235008A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60175196A JPS6235008A (ja) 1985-08-08 1985-08-08 温度制御式適応消音装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60175196A JPS6235008A (ja) 1985-08-08 1985-08-08 温度制御式適応消音装置

Publications (2)

Publication Number Publication Date
JPS6235008A JPS6235008A (ja) 1987-02-16
JPH0260844B2 true JPH0260844B2 (cg-RX-API-DMAC10.html) 1990-12-18

Family

ID=15991972

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60175196A Granted JPS6235008A (ja) 1985-08-08 1985-08-08 温度制御式適応消音装置

Country Status (1)

Country Link
JP (1) JPS6235008A (cg-RX-API-DMAC10.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02285686A (ja) * 1989-04-27 1990-11-22 Matsushita Electric Ind Co Ltd 気体レーザ装置
DE4228356C2 (de) * 1992-08-26 1995-10-19 Daimler Benz Aerospace Ag Hohlraumresonator zur Lärmreduzierung
DE10002984C1 (de) * 2000-01-24 2001-08-09 Daimler Chrysler Ag Akustischer Absorber und Verfahren zur Schallabsorption
US20260057870A1 (en) * 2024-08-21 2026-02-26 Dell Products L.P. Reconfigurable acoustic noise suppression metasurface using integrated heaters
US20260058578A1 (en) * 2024-08-23 2026-02-26 Dell Products L.P. Energy harvesting acoustic metasurface using piezoelectric transducers
US20260058580A1 (en) * 2024-08-23 2026-02-26 Dell Products L.P. Cymbal micromembrane-based energy harvesting in acoustic metasurfaces

Also Published As

Publication number Publication date
JPS6235008A (ja) 1987-02-16

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term