KR920021674U - Circuit device for determining the presence or absence of water by detecting the current of the pump - Google Patents

Circuit device for determining the presence or absence of water by detecting the current of the pump

Info

Publication number
KR920021674U
KR920021674U KR2019910006581U KR910006581U KR920021674U KR 920021674 U KR920021674 U KR 920021674U KR 2019910006581 U KR2019910006581 U KR 2019910006581U KR 910006581 U KR910006581 U KR 910006581U KR 920021674 U KR920021674 U KR 920021674U
Authority
KR
South Korea
Prior art keywords
absence
pump
detecting
determining
current
Prior art date
Application number
KR2019910006581U
Other languages
Korean (ko)
Other versions
KR930007674Y1 (en
Inventor
안선태
Original Assignee
안선태
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 안선태 filed Critical 안선태
Priority to KR2019910006581U priority Critical patent/KR930007674Y1/en
Publication of KR920021674U publication Critical patent/KR920021674U/en
Application granted granted Critical
Publication of KR930007674Y1 publication Critical patent/KR930007674Y1/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
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F04D15/0245—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
KR2019910006581U 1991-05-07 1991-05-07 Water pump KR930007674Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910006581U KR930007674Y1 (en) 1991-05-07 1991-05-07 Water pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910006581U KR930007674Y1 (en) 1991-05-07 1991-05-07 Water pump

Publications (2)

Publication Number Publication Date
KR920021674U true KR920021674U (en) 1992-12-19
KR930007674Y1 KR930007674Y1 (en) 1993-11-12

Family

ID=19313629

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910006581U KR930007674Y1 (en) 1991-05-07 1991-05-07 Water pump

Country Status (1)

Country Link
KR (1) KR930007674Y1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101488081B1 (en) * 2013-04-11 2015-01-29 주식회사 나노켐 Automatic operation type circulating pump of boiler

Also Published As

Publication number Publication date
KR930007674Y1 (en) 1993-11-12

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Legal Events

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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: 20021101

Year of fee payment: 10

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