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JPS55145866A - Air valve - Google Patents
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JPS55145866A - Air valve - Google Patents

Air valve

Info

Publication number
JPS55145866A
JPS55145866A JP5419379A JP5419379A JPS55145866A JP S55145866 A JPS55145866 A JP S55145866A JP 5419379 A JP5419379 A JP 5419379A JP 5419379 A JP5419379 A JP 5419379A JP S55145866 A JPS55145866 A JP S55145866A
Authority
JP
Japan
Prior art keywords
float
air
exhaust
goes
exhausting
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP5419379A
Other languages
Japanese (ja)
Inventor
Koichi Arakawa
Minoru Ohara
Tetsuya Teramoto
Takashi Ito
Isao Ishigamori
Yasusuke Watanabe
Juichiro Kawai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5419379A priority Critical patent/JPS55145866A/en
Publication of JPS55145866A publication Critical patent/JPS55145866A/en
Pending legal-status Critical Current

Links

Landscapes

  • Self-Closing Valves And Venting Or Aerating Valves (AREA)

Abstract

PURPOSE: To accurately exhaust by exhausting a large amount of air through the exhaust port when charging water and exhausting collected air from the small-diameter exhaust valve during the operation.
CONSTITUTION: When liquid rises in the valve body 1 to push up the float 10 by buoyant force, the valve disk 5 is pushed up at this side of upper limit position to be adhered to the seat surface by compressed air. At the same time, a signal of full- closed condition is sent out by the microswitch. The needle 7 linked with the float 3 is tightly contacted with the cap 6 at the upper limit position of the float 3. When the liquid surface goes down, the float 3 goes down to exhaust air from the needle part B, and when the liquid surface goes up, the float 3 goes up to be adhered to the needle part B. By repeating this operation, air can be accurately exhausted.
COPYRIGHT: (C)1980,JPO&Japio
JP5419379A 1979-05-04 1979-05-04 Air valve Pending JPS55145866A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5419379A JPS55145866A (en) 1979-05-04 1979-05-04 Air valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5419379A JPS55145866A (en) 1979-05-04 1979-05-04 Air valve

Publications (1)

Publication Number Publication Date
JPS55145866A true JPS55145866A (en) 1980-11-13

Family

ID=12963696

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5419379A Pending JPS55145866A (en) 1979-05-04 1979-05-04 Air valve

Country Status (1)

Country Link
JP (1) JPS55145866A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6421873U (en) * 1987-07-30 1989-02-03

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5119611A (en) * 1974-08-06 1976-02-17 Citizen Watch Co Ltd INPAKUTODOTSU TOPURINTA
JPS54531A (en) * 1977-06-03 1979-01-05 Hitachi Ltd Channel control system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5119611A (en) * 1974-08-06 1976-02-17 Citizen Watch Co Ltd INPAKUTODOTSU TOPURINTA
JPS54531A (en) * 1977-06-03 1979-01-05 Hitachi Ltd Channel control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6421873U (en) * 1987-07-30 1989-02-03

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