KR870008578U - 역지변의 개폐상태 조절장치 - Google Patents

역지변의 개폐상태 조절장치

Info

Publication number
KR870008578U
KR870008578U KR2019850014523U KR850014523U KR870008578U KR 870008578 U KR870008578 U KR 870008578U KR 2019850014523 U KR2019850014523 U KR 2019850014523U KR 850014523 U KR850014523 U KR 850014523U KR 870008578 U KR870008578 U KR 870008578U
Authority
KR
South Korea
Prior art keywords
opening
control device
closing status
status
closing
Prior art date
Application number
KR2019850014523U
Other languages
English (en)
Other versions
KR890001592Y1 (ko
Inventor
이운용
Original Assignee
이운용
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 이운용 filed Critical 이운용
Priority to KR2019850014523U priority Critical patent/KR890001592Y1/ko
Publication of KR870008578U publication Critical patent/KR870008578U/ko
Application granted granted Critical
Publication of KR890001592Y1 publication Critical patent/KR890001592Y1/ko

Links

Classifications

    • 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
    • F16K15/00—Check valves
    • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
    • F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
    • F16K15/1821—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism for check valves with a hinged or pivoted closure member
    • 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
    • F16K15/00—Check valves
    • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
    • F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
    • F16K15/1826—Check valves which can be actuated by a pilot valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
KR2019850014523U 1985-11-01 1985-11-01 역지변의 개폐상태 조절장치 KR890001592Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019850014523U KR890001592Y1 (ko) 1985-11-01 1985-11-01 역지변의 개폐상태 조절장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019850014523U KR890001592Y1 (ko) 1985-11-01 1985-11-01 역지변의 개폐상태 조절장치

Publications (2)

Publication Number Publication Date
KR870008578U true KR870008578U (ko) 1987-06-12
KR890001592Y1 KR890001592Y1 (ko) 1989-04-06

Family

ID=19246280

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019850014523U KR890001592Y1 (ko) 1985-11-01 1985-11-01 역지변의 개폐상태 조절장치

Country Status (1)

Country Link
KR (1) KR890001592Y1 (ko)

Also Published As

Publication number Publication date
KR890001592Y1 (ko) 1989-04-06

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Legal Events

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A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19980406

Year of fee payment: 10

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