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JPS5557778A - Air valve - Google Patents

Air valve

Info

Publication number
JPS5557778A
JPS5557778A JP12921178A JP12921178A JPS5557778A JP S5557778 A JPS5557778 A JP S5557778A JP 12921178 A JP12921178 A JP 12921178A JP 12921178 A JP12921178 A JP 12921178A JP S5557778 A JPS5557778 A JP S5557778A
Authority
JP
Japan
Prior art keywords
float valve
exhaust port
suction
primary
small
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.)
Granted
Application number
JP12921178A
Other languages
Japanese (ja)
Other versions
JPS5756629B2 (en
Inventor
Keiji Maezawa
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.)
Maezawa Kyuso Industries Co Ltd
Original Assignee
Maezawa Kyuso Industries Co 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 Maezawa Kyuso Industries Co Ltd filed Critical Maezawa Kyuso Industries Co Ltd
Priority to JP12921178A priority Critical patent/JPS5557778A/en
Publication of JPS5557778A publication Critical patent/JPS5557778A/en
Publication of JPS5756629B2 publication Critical patent/JPS5756629B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To manufacture a small size and lightweight double float valve which has two independant functions.
CONSTITUTION: The primary and secondary float valves 3, 4 are used to choke up a large bore diameter suction-and-exhaust port 1 and small bore diameter suction- and-exhaust port 2 relatively. The suction-and-exhaust port 1 has an elastic valve seat 7 at end which is located in the middle of a cover 6 on a float valve chamber 5. The primary float valve 3 of a ball is put in a guide hole 4a formed in the middle of the secondary float valve 4 which is shaped as a ring around the suction-and- exhaust port 1. The tapered float valve 4 has a bore at the bottom end as small as it is allowed to incline and is prevented from direct contact with the internal face of the valve chamber 5 by a rib 5' fixed along on the inwall and bottom of the float valve chamber 5. Said primary and secondary float valves 3, 4 are used for large and small quantity exhaust.
COPYRIGHT: (C)1980,JPO&Japio
JP12921178A 1978-10-20 1978-10-20 Air valve Granted JPS5557778A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12921178A JPS5557778A (en) 1978-10-20 1978-10-20 Air valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12921178A JPS5557778A (en) 1978-10-20 1978-10-20 Air valve

Publications (2)

Publication Number Publication Date
JPS5557778A true JPS5557778A (en) 1980-04-28
JPS5756629B2 JPS5756629B2 (en) 1982-11-30

Family

ID=15003872

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12921178A Granted JPS5557778A (en) 1978-10-20 1978-10-20 Air valve

Country Status (1)

Country Link
JP (1) JPS5557778A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001183991A (en) * 1999-12-27 2001-07-06 Matsushita Electric Ind Co Ltd Backlight structure for liquid crystal
JP2003139260A (en) * 2001-10-31 2003-05-14 Shimizu Tekkosho:Kk Eccentric air valve
JP2021116899A (en) * 2020-01-28 2021-08-10 協和工業株式会社 Air valve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2847058B2 (en) * 1996-01-10 1999-01-13 前澤給装工業株式会社 Air valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001183991A (en) * 1999-12-27 2001-07-06 Matsushita Electric Ind Co Ltd Backlight structure for liquid crystal
JP2003139260A (en) * 2001-10-31 2003-05-14 Shimizu Tekkosho:Kk Eccentric air valve
JP2021116899A (en) * 2020-01-28 2021-08-10 協和工業株式会社 Air valve

Also Published As

Publication number Publication date
JPS5756629B2 (en) 1982-11-30

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