JPS55107853A - Silencing device in ventilation duct such as air- conditioning air reflux port, etc. - Google Patents

Silencing device in ventilation duct such as air- conditioning air reflux port, etc.

Info

Publication number
JPS55107853A
JPS55107853A JP1581979A JP1581979A JPS55107853A JP S55107853 A JPS55107853 A JP S55107853A JP 1581979 A JP1581979 A JP 1581979A JP 1581979 A JP1581979 A JP 1581979A JP S55107853 A JPS55107853 A JP S55107853A
Authority
JP
Japan
Prior art keywords
ventilation
air
walls
partition walls
ventilation duct
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.)
Granted
Application number
JP1581979A
Other languages
English (en)
Other versions
JPS591914B2 (ja
Inventor
Motoaki Mukono
Akiyoshi Arai
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.)
Taisei Corp
Original Assignee
Taisei Corp
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 Taisei Corp filed Critical Taisei Corp
Priority to JP54015819A priority Critical patent/JPS591914B2/ja
Publication of JPS55107853A publication Critical patent/JPS55107853A/ja
Publication of JPS591914B2 publication Critical patent/JPS591914B2/ja
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F24F2013/245—Means for preventing or suppressing noise using resonance

Landscapes

  • Exhaust Silencers (AREA)
  • Pipe Accessories (AREA)
  • Duct Arrangements (AREA)
JP54015819A 1979-02-14 1979-02-14 空調還気口などの通気路における減音装置 Expired JPS591914B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54015819A JPS591914B2 (ja) 1979-02-14 1979-02-14 空調還気口などの通気路における減音装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54015819A JPS591914B2 (ja) 1979-02-14 1979-02-14 空調還気口などの通気路における減音装置

Publications (2)

Publication Number Publication Date
JPS55107853A true JPS55107853A (en) 1980-08-19
JPS591914B2 JPS591914B2 (ja) 1984-01-14

Family

ID=11899450

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54015819A Expired JPS591914B2 (ja) 1979-02-14 1979-02-14 空調還気口などの通気路における減音装置

Country Status (1)

Country Link
JP (1) JPS591914B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533015A (en) * 1983-02-28 1985-08-06 Hisao Kojima Sound arresting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533015A (en) * 1983-02-28 1985-08-06 Hisao Kojima Sound arresting device

Also Published As

Publication number Publication date
JPS591914B2 (ja) 1984-01-14

Similar Documents

Publication Publication Date Title
JPS5331030A (en) Mixture controller
JPS5631812A (en) Automobile air conditioner
JPS56162335A (en) Air conditioner
JPS55145023A (en) Vehicle for civil engineering work
SE8800659D0 (sv) Ventilationshuv
JPS5579952A (en) Cold air discharge grill in air-conditioning duct in vehicle
JPS55107853A (en) Silencing device in ventilation duct such as air- conditioning air reflux port, etc.
FR2274003A1 (fr) Procede et dispositif de recuperation des calories de l'air d'un local ventile
JPS5323411A (en) Mounting structure of air intak e filter for automobile
JPS55102848A (en) Chicken house
JPS5596853A (en) Air conditioner
JPS54117141A (en) Ventilating apparatus for duct
FR2437580A1 (fr) Appareil pour le conditionnement de l'air, notamment dans les locaux d'elevage
GB1438812A (en) Kitchen ventilator
JPS5723748A (en) Hot air room heater
JPS5779253A (en) Inhaled air muffler
JPS57104040A (en) Hot air type space heater
JPS55107100A (en) Blower driven by electric motor
JPS5485540A (en) Dehumidifying apparatus
JPS5634045A (en) Ventilating device for pigpen
JPS5634044A (en) Ventilating device for pigpen
FR2437581A1 (fr) Appareil pour commander la distribution d'air dans des locaux a ventiler et/ou a climatiser
JPS55158414A (en) Intake-exhaust device for water heater
JPS547751A (en) Ventilating system for air conditioner
JPS54121475A (en) Venturi scrubber