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FI93487C - Ilmakanavan äänenvaimennin - Google Patents

Ilmakanavan äänenvaimennin

Info

Publication number
FI93487C
FI93487C FI925682A FI925682A FI93487C FI 93487 C FI93487 C FI 93487C FI 925682 A FI925682 A FI 925682A FI 925682 A FI925682 A FI 925682A FI 93487 C FI93487 C FI 93487C
Authority
FI
Finland
Prior art keywords
muffler
air duct
duct
air
Prior art date
Application number
FI925682A
Other languages
English (en)
Swedish (sv)
Other versions
FI93487B (fi
FI925682A (fi
FI925682A0 (fi
Inventor
Kalevi Yli-Jouto
Original Assignee
Insinoeoeritoimisto Hewair Oy
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 Insinoeoeritoimisto Hewair Oy filed Critical Insinoeoeritoimisto Hewair Oy
Priority to FI925682A priority Critical patent/FI93487C/fi
Publication of FI925682A0 publication Critical patent/FI925682A0/fi
Publication of FI925682A publication Critical patent/FI925682A/fi
Application granted granted Critical
Publication of FI93487B publication Critical patent/FI93487B/fi
Publication of FI93487C publication Critical patent/FI93487C/fi

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
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
FI925682A 1992-12-15 1992-12-15 Ilmakanavan äänenvaimennin FI93487C (fi)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI925682A FI93487C (fi) 1992-12-15 1992-12-15 Ilmakanavan äänenvaimennin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI925682A FI93487C (fi) 1992-12-15 1992-12-15 Ilmakanavan äänenvaimennin

Publications (4)

Publication Number Publication Date
FI925682A0 FI925682A0 (fi) 1992-12-15
FI925682A FI925682A (fi) 1994-06-16
FI93487B FI93487B (fi) 1994-12-30
FI93487C true FI93487C (fi) 1996-03-25

Family

ID=8536394

Family Applications (1)

Application Number Title Priority Date Filing Date
FI925682A FI93487C (fi) 1992-12-15 1992-12-15 Ilmakanavan äänenvaimennin

Country Status (1)

Country Link
FI (1) FI93487C (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106679044A (zh) * 2017-01-09 2017-05-17 洛阳文森科技有限公司 一种呼吸式强力静音新风动力系统

Also Published As

Publication number Publication date
FI93487B (fi) 1994-12-30
FI925682A (fi) 1994-06-16
FI925682A0 (fi) 1992-12-15

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: INSIN!!RITOIMISTO HEWAIR OY

BB Publication of examined application