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 airInfo
- 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
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
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F24F13/20—Casings or covers
-
- 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
- F24F13/20—Casings or covers
- F24F2013/205—Mounting a ventilator fan therein
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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) |
-
1993
- 1993-11-25 KR KR2019930025126U patent/KR950014977U/en active IP Right Grant
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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 |