JPS6227282B2 - - Google Patents

Info

Publication number: JPS6227282B2
Authority: JP; Japan
Prior art keywords: hydraulic oil; oil tank; air; switching valve; hydraulic
Prior art date: 1981-05-22
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.): Expired

Application number

JP56077841A

Other languages

English (en)

Japanese (ja)

Other versions

JPS57192601A (en

Inventor

Hiroshi Tamai

Yanosuke 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.)

Hitachi Construction Machinery Co Ltd

Original Assignee

Hitachi Construction Machinery 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.)

1981-05-22

Filing date

1981-05-22

Publication date

1987-06-13

1981-05-22 Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd

1981-05-22 Priority to JP56077841A priority Critical patent/JPS57192601A/ja

1982-11-26 Publication of JPS57192601A publication Critical patent/JPS57192601A/ja

1987-06-13 Publication of JPS6227282B2 publication Critical patent/JPS6227282B2/ja

Status Granted legal-status Critical Current

Links

239000010720 hydraulic oil Substances 0.000 claims description 74
239000010687 lubricating oil Substances 0.000 claims description 25
239000003921 oil Substances 0.000 claims description 17
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
229910052799 carbon Inorganic materials 0.000 description 4
238000010586 diagram Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
238000012423 maintenance Methods 0.000 description 2
230000007246 mechanism Effects 0.000 description 2
230000000903 blocking effect Effects 0.000 description 1
238000001816 cooling Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
239000000428 dust Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000011144 upstream manufacturing Methods 0.000 description 1

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
- F15B1/265—Supply reservoir or sump assemblies with pressurised main reservoir

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

JP56077841A 1981-05-22 1981-05-22 Pressure device of hydraulic oil tank Granted JPS57192601A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP56077841A JPS57192601A (en)	1981-05-22	1981-05-22	Pressure device of hydraulic oil tank

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP56077841A JPS57192601A (en)	1981-05-22	1981-05-22	Pressure device of hydraulic oil tank

Publications (2)

Publication Number	Publication Date
JPS57192601A JPS57192601A (en)	1982-11-26
JPS6227282B2 true JPS6227282B2 (fi)	1987-06-13

Family

ID=13645269

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP56077841A Granted JPS57192601A (en)	1981-05-22	1981-05-22	Pressure device of hydraulic oil tank

Country Status (1)

Country	Link
JP (1)	JPS57192601A (fi)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN107013511A (zh) *	2017-05-19	2017-08-04	广东伊之密高速包装***有限公司	注塑机用的增压油箱
JP2020091020A (ja) *	2018-12-07	2020-06-11	株式会社フクハラ	油圧回路用オイルの延命システム

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS59175602A (ja) *	1983-03-25	1984-10-04	Maruma Jusharyo Kk	油圧機器試験機用のオイルタンク
CN106837896B (zh) *	2017-04-07	2018-06-22	北京机械设备研究所	一种模拟高原低气压环境的液压油箱

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5138119A (ja) *	1974-09-27	1976-03-30	Hitachi Construction Machinery	Oirutanku

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4891392U (fi) *	1972-02-14	1973-11-02

1981
- 1981-05-22 JP JP56077841A patent/JPS57192601A/ja active Granted

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5138119A (ja) *	1974-09-27	1976-03-30	Hitachi Construction Machinery	Oirutanku

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN107013511A (zh) *	2017-05-19	2017-08-04	广东伊之密高速包装***有限公司	注塑机用的增压油箱
JP2020091020A (ja) *	2018-12-07	2020-06-11	株式会社フクハラ	油圧回路用オイルの延命システム

Also Published As

Publication number	Publication date
JPS57192601A (en)	1982-11-26

Similar Documents

Publication	Publication Date	Title
US5159808A (en)	1992-11-03	Gas turbine engine fuel and hydraulic fluid pumping system
US3788776A (en)	1974-01-29	Compressor unloading control
US5694682A (en)	1997-12-09	Method of manufacturing valve system for capacity control of a screw compressor
CA2196901C (en)	2004-08-31	Dry gas seal contamination prevention system
GB690120A (en)	1953-04-15	Improvements in and relating to the starting of gas turbines
US3260444A (en)	1966-07-12	Compressor control system
US3503618A (en)	1970-03-31	Arrangement for ensuring supply of pressurized sealing fluid to shaft seals of high pressure machines to prevent gas leakage in event of failure of main oil pump
EP0269500B1 (en)	1992-09-16	Plunger pump of quick pressure-rise type
US5245819A (en)	1993-09-21	Gas turbine engine fuel and hydraulic fluid pumping system
EP1328729B1 (en)	2007-06-13	Engine prelubrication pump assembly
JPS6227282B2 (fi)	1987-06-13
KR980001170A (ko)	1998-03-30	펌프 유니트 및 이를 사용하는 브레이크 제어 장치
US7137789B2 (en)	2006-11-21	Vent for reducing seal pressure in pump assembly
US4799865A (en)	1989-01-24	Intermittent service screw compressor
JP4625604B2 (ja)	2011-02-02	油圧モーター用の漏油返送装置
JP2003166505A (ja)	2003-06-13	油圧モータの漏油返送方法及び漏油返送装置
GB2041450A (en)	1980-09-10	Rotary positive-displacement fluid-machines
US2241192A (en)	1941-05-06	Compressor unloading valve mechanism
US5236317A (en)	1993-08-17	Gear pump valving system
JPH07504730A (ja)	1995-05-25	オイルシールされた真空ポンプを操作する方法及びこの方法の実施に適した真空ポンプ
US2234462A (en)	1941-03-11	Valve mechanism for unloading compressors
JPH021504Y2 (fi)	1990-01-16
KR200311750Y1 (ko)	2003-05-09	차량용 오일펌프의 압력조절밸브 구조
JPH062630A (ja)	1994-01-11	ディーゼル機関緊急停止装置
JPS59231191A (ja)	1984-12-25	開放形圧縮機