JPS56156570A - Check valve combined with balance piston type relief valve - Google Patents

Check valve combined with balance piston type relief valve

Info

Publication number
JPS56156570A
JPS56156570A JP5967780A JP5967780A JPS56156570A JP S56156570 A JPS56156570 A JP S56156570A JP 5967780 A JP5967780 A JP 5967780A JP 5967780 A JP5967780 A JP 5967780A JP S56156570 A JPS56156570 A JP S56156570A
Authority
JP
Japan
Prior art keywords
pressure
balance piston
chamber
valve
piston type
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
JP5967780A
Other languages
Japanese (ja)
Inventor
Masanori Sato
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.)
Aisin Corp
Original Assignee
Aisin Seiki 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 Aisin Seiki Co Ltd filed Critical Aisin Seiki Co Ltd
Priority to JP5967780A priority Critical patent/JPS56156570A/en
Publication of JPS56156570A publication Critical patent/JPS56156570A/en
Pending legal-status Critical Current

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  • Safety Valves (AREA)

Abstract

PURPOSE: To enable connection to low pressure and high pressure passages with a balance piston valve housed in a valve body.
CONSTITUTION: When a pilot valve 14 opens with an increase in a pressure of a chamber 17, the flow of a fluid produces a differential pressure before and after an orifice 16. The chamber 17 is communicated to a charging port 11 and the pressure of chamber 17 drops to produce a differential pressure before and after the orifice 16. When the differential pressure exceeds a specified level, a spool 23 is displaced to have a main port 10 communicating to the charging port 11 through a relief hole 24 thereby preventing a rise in the pressure in a high pressure passage 4. When the main port 10 is in a low pressure passage, the spool 22 is displaced to the left to have the charging port 11 communicating to the main port 10. A balance piston valve 13 comprises the spools 22 and 23.
COPYRIGHT: (C)1981,JPO&Japio
JP5967780A 1980-05-06 1980-05-06 Check valve combined with balance piston type relief valve Pending JPS56156570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5967780A JPS56156570A (en) 1980-05-06 1980-05-06 Check valve combined with balance piston type relief valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5967780A JPS56156570A (en) 1980-05-06 1980-05-06 Check valve combined with balance piston type relief valve

Publications (1)

Publication Number Publication Date
JPS56156570A true JPS56156570A (en) 1981-12-03

Family

ID=13120056

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5967780A Pending JPS56156570A (en) 1980-05-06 1980-05-06 Check valve combined with balance piston type relief valve

Country Status (1)

Country Link
JP (1) JPS56156570A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990003292A1 (en) * 1988-09-28 1990-04-05 Allied-Signal Inc. A two-stage relief valve for master cylinder quick-fill chamber
WO1990006463A1 (en) * 1988-11-30 1990-06-14 Kabushiki Kaisha Komatsu Seisakusho Abnormal pressure prevention-vacuum prevention valve
KR100585952B1 (en) 2004-08-16 2006-06-02 이토고키 가부시키가이샤 Gas supplying system
JP2007507671A (en) * 2003-10-01 2007-03-29 ボッシュ レックスロス アーゲー Pressure supply valve
KR100764119B1 (en) * 2004-02-25 2007-10-08 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 Pilot poppet type relief valve
CN100441885C (en) * 2006-10-10 2008-12-10 太原理工大学 Hydraulic balance valve capable of automatically adapting load change
JP2014080870A (en) * 2012-10-12 2014-05-08 Kyosan Denki Co Ltd Ventilation control valve device
WO2023150448A1 (en) * 2022-02-01 2023-08-10 Sun Hydraulics, Llc Pressure relief valve with a reverse free flow configuration integrated therewith

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990003292A1 (en) * 1988-09-28 1990-04-05 Allied-Signal Inc. A two-stage relief valve for master cylinder quick-fill chamber
WO1990006463A1 (en) * 1988-11-30 1990-06-14 Kabushiki Kaisha Komatsu Seisakusho Abnormal pressure prevention-vacuum prevention valve
US5074330A (en) * 1988-11-30 1991-12-24 Kabushiki Kaisha Komatsu Seisakusho Anti-abnormal-pressure/vacuum valve
JP2007507671A (en) * 2003-10-01 2007-03-29 ボッシュ レックスロス アーゲー Pressure supply valve
KR101118073B1 (en) * 2003-10-01 2012-02-27 보쉬 렉스로트 아게 Feed pressure valve
KR100764119B1 (en) * 2004-02-25 2007-10-08 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 Pilot poppet type relief valve
KR100585952B1 (en) 2004-08-16 2006-06-02 이토고키 가부시키가이샤 Gas supplying system
CN100441885C (en) * 2006-10-10 2008-12-10 太原理工大学 Hydraulic balance valve capable of automatically adapting load change
JP2014080870A (en) * 2012-10-12 2014-05-08 Kyosan Denki Co Ltd Ventilation control valve device
WO2023150448A1 (en) * 2022-02-01 2023-08-10 Sun Hydraulics, Llc Pressure relief valve with a reverse free flow configuration integrated therewith
US12000363B2 (en) 2022-02-01 2024-06-04 Sun Hydraulics, Llc Pressure relief valve with a reverse free flow configuration integrated therewith

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