KR950004116U - 환풍기의 통풍구 개폐장치 - Google Patents

환풍기의 통풍구 개폐장치

Info

Publication number
KR950004116U
KR950004116U KR2019930012445U KR930012445U KR950004116U KR 950004116 U KR950004116 U KR 950004116U KR 2019930012445 U KR2019930012445 U KR 2019930012445U KR 930012445 U KR930012445 U KR 930012445U KR 950004116 U KR950004116 U KR 950004116U
Authority
KR
South Korea
Prior art keywords
closing device
vent opening
ventilation vent
ventilation
opening
Prior art date
Application number
KR2019930012445U
Other languages
English (en)
Other versions
KR960004239Y1 (ko
Inventor
정구택
Original Assignee
정구택
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 정구택 filed Critical 정구택
Priority to KR2019930012445U priority Critical patent/KR960004239Y1/ko
Publication of KR950004116U publication Critical patent/KR950004116U/ko
Application granted granted Critical
Publication of KR960004239Y1 publication Critical patent/KR960004239Y1/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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
KR2019930012445U 1993-07-07 1993-07-07 환풍기의 통풍구 개폐장치 KR960004239Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019930012445U KR960004239Y1 (ko) 1993-07-07 1993-07-07 환풍기의 통풍구 개폐장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019930012445U KR960004239Y1 (ko) 1993-07-07 1993-07-07 환풍기의 통풍구 개폐장치

Publications (2)

Publication Number Publication Date
KR950004116U true KR950004116U (ko) 1995-02-17
KR960004239Y1 KR960004239Y1 (ko) 1996-05-23

Family

ID=19358652

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019930012445U KR960004239Y1 (ko) 1993-07-07 1993-07-07 환풍기의 통풍구 개폐장치

Country Status (1)

Country Link
KR (1) KR960004239Y1 (ko)

Also Published As

Publication number Publication date
KR960004239Y1 (ko) 1996-05-23

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee