KR930000988U - Fan direction control device - Google Patents

Fan direction control device

Info

Publication number
KR930000988U
KR930000988U KR2019910009153U KR910009153U KR930000988U KR 930000988 U KR930000988 U KR 930000988U KR 2019910009153 U KR2019910009153 U KR 2019910009153U KR 910009153 U KR910009153 U KR 910009153U KR 930000988 U KR930000988 U KR 930000988U
Authority
KR
South Korea
Prior art keywords
control device
direction control
fan direction
fan
control
Prior art date
Application number
KR2019910009153U
Other languages
Korean (ko)
Other versions
KR940002648Y1 (en
Inventor
송창섭
Original Assignee
송창섭
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 송창섭 filed Critical 송창섭
Priority to KR2019910009153U priority Critical patent/KR940002648Y1/en
Publication of KR930000988U publication Critical patent/KR930000988U/en
Application granted granted Critical
Publication of KR940002648Y1 publication Critical patent/KR940002648Y1/en

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
    • F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
KR2019910009153U 1991-06-19 1991-06-19 Fan KR940002648Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910009153U KR940002648Y1 (en) 1991-06-19 1991-06-19 Fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910009153U KR940002648Y1 (en) 1991-06-19 1991-06-19 Fan

Publications (2)

Publication Number Publication Date
KR930000988U true KR930000988U (en) 1993-01-21
KR940002648Y1 KR940002648Y1 (en) 1994-04-22

Family

ID=19315369

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910009153U KR940002648Y1 (en) 1991-06-19 1991-06-19 Fan

Country Status (1)

Country Link
KR (1) KR940002648Y1 (en)

Also Published As

Publication number Publication date
KR940002648Y1 (en) 1994-04-22

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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
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19971004

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee