JPS57202440A - Reverse air flow checking device for rooftop ventilating fan utilizing wind vane - Google Patents

Reverse air flow checking device for rooftop ventilating fan utilizing wind vane

Info

Publication number
JPS57202440A
JPS57202440A JP56087221A JP8722181A JPS57202440A JP S57202440 A JPS57202440 A JP S57202440A JP 56087221 A JP56087221 A JP 56087221A JP 8722181 A JP8722181 A JP 8722181A JP S57202440 A JPS57202440 A JP S57202440A
Authority
JP
Japan
Prior art keywords
shutter
shaft
rooftop
top cover
ventilating fan
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
JP56087221A
Other languages
English (en)
Japanese (ja)
Other versions
JPS621492B2 (enrdf_load_stackoverflow
Inventor
Yuzo Kawai
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.)
Suiden KK
Original Assignee
Suiden KK
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 Suiden KK filed Critical Suiden KK
Priority to JP56087221A priority Critical patent/JPS57202440A/ja
Publication of JPS57202440A publication Critical patent/JPS57202440A/ja
Publication of JPS621492B2 publication Critical patent/JPS621492B2/ja
Granted 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
    • F24F7/00—Ventilation
    • F24F7/02—Roof ventilation
    • F24F7/025—Roof ventilation with forced air circulation by means of a built-in ventilator

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
JP56087221A 1981-06-05 1981-06-05 Reverse air flow checking device for rooftop ventilating fan utilizing wind vane Granted JPS57202440A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56087221A JPS57202440A (en) 1981-06-05 1981-06-05 Reverse air flow checking device for rooftop ventilating fan utilizing wind vane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56087221A JPS57202440A (en) 1981-06-05 1981-06-05 Reverse air flow checking device for rooftop ventilating fan utilizing wind vane

Publications (2)

Publication Number Publication Date
JPS57202440A true JPS57202440A (en) 1982-12-11
JPS621492B2 JPS621492B2 (enrdf_load_stackoverflow) 1987-01-13

Family

ID=13908837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56087221A Granted JPS57202440A (en) 1981-06-05 1981-06-05 Reverse air flow checking device for rooftop ventilating fan utilizing wind vane

Country Status (1)

Country Link
JP (1) JPS57202440A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110887150A (zh) * 2019-11-15 2020-03-17 陆秀权 一种安装便捷的具有防异物功能的新风机
CN112082244A (zh) * 2020-09-10 2020-12-15 邵国娟 一种地下停车场用节能高效换气装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110887150A (zh) * 2019-11-15 2020-03-17 陆秀权 一种安装便捷的具有防异物功能的新风机
CN110887150B (zh) * 2019-11-15 2021-09-10 佛山市亿佰利风机有限公司 一种安装便捷的具有防异物功能的新风机
CN112082244A (zh) * 2020-09-10 2020-12-15 邵国娟 一种地下停车场用节能高效换气装置
CN112082244B (zh) * 2020-09-10 2021-06-15 嘉兴德基机械设计有限公司 一种地下停车场用节能高效换气装置

Also Published As

Publication number Publication date
JPS621492B2 (enrdf_load_stackoverflow) 1987-01-13

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