JPS5530556A - Flow control valve - Google Patents

Flow control valve

Info

Publication number
JPS5530556A
JPS5530556A JP10343278A JP10343278A JPS5530556A JP S5530556 A JPS5530556 A JP S5530556A JP 10343278 A JP10343278 A JP 10343278A JP 10343278 A JP10343278 A JP 10343278A JP S5530556 A JPS5530556 A JP S5530556A
Authority
JP
Japan
Prior art keywords
port
cylinder
hydraulic cylinder
spring
sectional area
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
JP10343278A
Other languages
Japanese (ja)
Other versions
JPS6129433B2 (en
Inventor
Kaneaki Naito
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.)
Kyokuto Kaihatsu Kogyo Co Ltd
Original Assignee
Kyokuto Kaihatsu Kogyo 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 Kyokuto Kaihatsu Kogyo Co Ltd filed Critical Kyokuto Kaihatsu Kogyo Co Ltd
Priority to JP10343278A priority Critical patent/JPS5530556A/en
Publication of JPS5530556A publication Critical patent/JPS5530556A/en
Publication of JPS6129433B2 publication Critical patent/JPS6129433B2/ja
Granted legal-status Critical Current

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  • Safety Valves (AREA)

Abstract

PURPOSE: To smoothly control the quantity of outflow, by keeping the cross-sectional area of a port small at the initial stage of retraction of a hydraulic cylinder and gradually opening the port to a prescribed degree.
CONSTITUTION: When the hydraulic cylinder 6 is retracted, a control switch 30 is connected to a contact 34 to energize a solenoid 12 to shift a valve 13. At that time, a fluid flows out of the hydraulic cylinder 6 through an oil drain pipe 15 into a chamber 20 of a valve cylinder 23 wherein a balance piston 26 is fitted. As a result, the valve cylinder 23 is moved back despite the force of a second spring 28 and the port 22 is gradually opened. The elastic force of the second spring 28 is stronger than that of a first spring 27. The fluid flows out of the hydraulic cylinder 6 through the port 22 whose cross-sectional area is set small at the initial stage of retraction of the cylinder. The cross-sectional area of the port 22 is thereafter gradually increased. Thus, the cylinder is smoothly moved.
COPYRIGHT: (C)1980,JPO&Japio
JP10343278A 1978-08-24 1978-08-24 Flow control valve Granted JPS5530556A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10343278A JPS5530556A (en) 1978-08-24 1978-08-24 Flow control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10343278A JPS5530556A (en) 1978-08-24 1978-08-24 Flow control valve

Publications (2)

Publication Number Publication Date
JPS5530556A true JPS5530556A (en) 1980-03-04
JPS6129433B2 JPS6129433B2 (en) 1986-07-07

Family

ID=14353868

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10343278A Granted JPS5530556A (en) 1978-08-24 1978-08-24 Flow control valve

Country Status (1)

Country Link
JP (1) JPS5530556A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4913946A (en) * 1987-01-08 1990-04-03 Incas International Carbon Solvent Fluorescent adhesive tape for use as a highlighter
JP2010060135A (en) * 2008-09-02 2010-03-18 Korea Aerospace Research Institute Flow control valve
JPWO2015075839A1 (en) * 2013-11-25 2017-03-16 株式会社島津製作所 Flow control valve

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4834922U (en) * 1971-08-26 1973-04-26
JPS50147233U (en) * 1974-05-21 1975-12-06
JPS5177634U (en) * 1974-12-16 1976-06-18

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4834922U (en) * 1971-08-26 1973-04-26
JPS50147233U (en) * 1974-05-21 1975-12-06
JPS5177634U (en) * 1974-12-16 1976-06-18

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4913946A (en) * 1987-01-08 1990-04-03 Incas International Carbon Solvent Fluorescent adhesive tape for use as a highlighter
JP2010060135A (en) * 2008-09-02 2010-03-18 Korea Aerospace Research Institute Flow control valve
KR100980612B1 (en) 2008-09-02 2010-09-07 한국항공우주연구원 A flow regulation valve
JPWO2015075839A1 (en) * 2013-11-25 2017-03-16 株式会社島津製作所 Flow control valve

Also Published As

Publication number Publication date
JPS6129433B2 (en) 1986-07-07

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