KR920018288U - 환기차단팬(fan)을 갖는 환풍기 - Google Patents

환기차단팬(fan)을 갖는 환풍기

Info

Publication number
KR920018288U
KR920018288U KR2019910003478U KR910003478U KR920018288U KR 920018288 U KR920018288 U KR 920018288U KR 2019910003478 U KR2019910003478 U KR 2019910003478U KR 910003478 U KR910003478 U KR 910003478U KR 920018288 U KR920018288 U KR 920018288U
Authority
KR
South Korea
Prior art keywords
ventilation fan
ventilation
fan
Prior art date
Application number
KR2019910003478U
Other languages
English (en)
Other versions
KR930003891Y1 (ko
Inventor
윤장학
Original Assignee
윤장학
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 윤장학 filed Critical 윤장학
Priority to KR2019910003478U priority Critical patent/KR930003891Y1/ko
Publication of KR920018288U publication Critical patent/KR920018288U/ko
Application granted granted Critical
Publication of KR930003891Y1 publication Critical patent/KR930003891Y1/ko

Links

Classifications

    • 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
    • F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
    • F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
    • 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
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/163—Combinations of two or more pumps ; Producing two or more separate gas flows driven by a common gearing arrangement
    • 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
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Air-Flow Control Members (AREA)
  • Ventilation (AREA)
KR2019910003478U 1991-03-14 1991-03-14 환기차단팬(fan)을 갖는 환풍기 KR930003891Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910003478U KR930003891Y1 (ko) 1991-03-14 1991-03-14 환기차단팬(fan)을 갖는 환풍기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910003478U KR930003891Y1 (ko) 1991-03-14 1991-03-14 환기차단팬(fan)을 갖는 환풍기

Publications (2)

Publication Number Publication Date
KR920018288U true KR920018288U (ko) 1992-10-19
KR930003891Y1 KR930003891Y1 (ko) 1993-06-25

Family

ID=19311760

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910003478U KR930003891Y1 (ko) 1991-03-14 1991-03-14 환기차단팬(fan)을 갖는 환풍기

Country Status (1)

Country Link
KR (1) KR930003891Y1 (ko)

Also Published As

Publication number Publication date
KR930003891Y1 (ko) 1993-06-25

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19960423

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee