KR870012522U - Communication blocking control device - Google Patents

Communication blocking control device

Info

Publication number
KR870012522U
KR870012522U KR2019860000557U KR860000557U KR870012522U KR 870012522 U KR870012522 U KR 870012522U KR 2019860000557 U KR2019860000557 U KR 2019860000557U KR 860000557 U KR860000557 U KR 860000557U KR 870012522 U KR870012522 U KR 870012522U
Authority
KR
South Korea
Prior art keywords
control device
blocking control
communication blocking
communication
control
Prior art date
Application number
KR2019860000557U
Other languages
Korean (ko)
Other versions
KR890005304Y1 (en
Inventor
조성연
Original Assignee
조성연
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 조성연 filed Critical 조성연
Priority to KR2019860000557U priority Critical patent/KR890005304Y1/en
Publication of KR870012522U publication Critical patent/KR870012522U/en
Application granted granted Critical
Publication of KR890005304Y1 publication Critical patent/KR890005304Y1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L13/00—Construction of valves or dampers for controlling air supply or draught
    • F23L13/02—Construction of valves or dampers for controlling air supply or draught pivoted about a single axis but having not other movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J11/00—Devices for conducting smoke or fumes, e.g. flues 

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Combustion (AREA)
KR2019860000557U 1986-01-21 1986-01-21 Chimney closing control system KR890005304Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860000557U KR890005304Y1 (en) 1986-01-21 1986-01-21 Chimney closing control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860000557U KR890005304Y1 (en) 1986-01-21 1986-01-21 Chimney closing control system

Publications (2)

Publication Number Publication Date
KR870012522U true KR870012522U (en) 1987-08-04
KR890005304Y1 KR890005304Y1 (en) 1989-08-12

Family

ID=19248204

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860000557U KR890005304Y1 (en) 1986-01-21 1986-01-21 Chimney closing control system

Country Status (1)

Country Link
KR (1) KR890005304Y1 (en)

Also Published As

Publication number Publication date
KR890005304Y1 (en) 1989-08-12

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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: 19920729

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee