KR950014977U - Fans with automatic opening and closing means for internal and external air - Google Patents

Fans with automatic opening and closing means for internal and external air

Info

Publication number
KR950014977U
KR950014977U KR2019930025126U KR930025126U KR950014977U KR 950014977 U KR950014977 U KR 950014977U KR 2019930025126 U KR2019930025126 U KR 2019930025126U KR 930025126 U KR930025126 U KR 930025126U KR 950014977 U KR950014977 U KR 950014977U
Authority
KR
South Korea
Prior art keywords
fans
internal
external air
closing means
automatic opening
Prior art date
Application number
KR2019930025126U
Other languages
Korean (ko)
Inventor
이인호
Original Assignee
이인호
최예락
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 이인호, 최예락 filed Critical 이인호
Priority to KR2019930025126U priority Critical patent/KR950014977U/en
Publication of KR950014977U publication Critical patent/KR950014977U/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/007Ventilation with forced flow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20Casings or covers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20Casings or covers
    • F24F2013/205Mounting a ventilator fan therein
KR2019930025126U 1993-11-25 1993-11-25 Fans with automatic opening and closing means for internal and external air KR950014977U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019930025126U KR950014977U (en) 1993-11-25 1993-11-25 Fans with automatic opening and closing means for internal and external air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019930025126U KR950014977U (en) 1993-11-25 1993-11-25 Fans with automatic opening and closing means for internal and external air

Publications (1)

Publication Number Publication Date
KR950014977U true KR950014977U (en) 1995-06-17

Family

ID=60820593

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019930025126U KR950014977U (en) 1993-11-25 1993-11-25 Fans with automatic opening and closing means for internal and external air

Country Status (1)

Country Link
KR (1) KR950014977U (en)

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application
J2X1 Appeal (before the patent court)

Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL

E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee