JPS56131802A - Oil hydraulic circuit for slewing drive of construction equipment - Google Patents

Oil hydraulic circuit for slewing drive of construction equipment

Info

Publication number
JPS56131802A
JPS56131802A JP3261980A JP3261980A JPS56131802A JP S56131802 A JPS56131802 A JP S56131802A JP 3261980 A JP3261980 A JP 3261980A JP 3261980 A JP3261980 A JP 3261980A JP S56131802 A JPS56131802 A JP S56131802A
Authority
JP
Japan
Prior art keywords
oil
pressure
slewing
duct
oil hydraulic
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
JP3261980A
Other languages
English (en)
Inventor
Hajime Suzuki
Shin Sugita
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.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works 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 Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Priority to JP3261980A priority Critical patent/JPS56131802A/ja
Publication of JPS56131802A publication Critical patent/JPS56131802A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
JP3261980A 1980-03-17 1980-03-17 Oil hydraulic circuit for slewing drive of construction equipment Pending JPS56131802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3261980A JPS56131802A (en) 1980-03-17 1980-03-17 Oil hydraulic circuit for slewing drive of construction equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3261980A JPS56131802A (en) 1980-03-17 1980-03-17 Oil hydraulic circuit for slewing drive of construction equipment

Publications (1)

Publication Number Publication Date
JPS56131802A true JPS56131802A (en) 1981-10-15

Family

ID=12363859

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3261980A Pending JPS56131802A (en) 1980-03-17 1980-03-17 Oil hydraulic circuit for slewing drive of construction equipment

Country Status (1)

Country Link
JP (1) JPS56131802A (ja)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522080A1 (fr) * 1982-02-20 1983-08-26 Hartmann & Laemmle Entrainement pour une masse mobile au moyen d'un moteur hydraulique
JPH04133744U (ja) * 1991-05-31 1992-12-11 積水化学工業株式会社 流し台
JPH074552U (ja) * 1993-06-22 1995-01-24 コベルコ建機エンジニアリング株式会社 作業車
JP2010019382A (ja) * 2008-07-11 2010-01-28 Sumitomo (Shi) Construction Machinery Co Ltd 油圧ポンプ容積制御回路
US8776511B2 (en) 2011-06-28 2014-07-15 Caterpillar Inc. Energy recovery system having accumulator and variable relief
US8850806B2 (en) 2011-06-28 2014-10-07 Caterpillar Inc. Hydraulic control system having swing motor energy recovery
CN104179756A (zh) * 2013-05-20 2014-12-03 住友重机械工业株式会社 液压马达的再生回路、具备再生回路的施工机械以及液压马达的再生回路的控制方法
US8919113B2 (en) 2011-06-28 2014-12-30 Caterpillar Inc. Hydraulic control system having energy recovery kit
JP2015014345A (ja) * 2013-07-08 2015-01-22 日立建機株式会社 建設機械の油圧回路
US9068575B2 (en) 2011-06-28 2015-06-30 Caterpillar Inc. Hydraulic control system having swing motor energy recovery
US9086081B2 (en) 2012-08-31 2015-07-21 Caterpillar Inc. Hydraulic control system having swing motor recovery
US9091286B2 (en) 2012-08-31 2015-07-28 Caterpillar Inc. Hydraulic control system having electronic flow limiting
US9139982B2 (en) 2011-06-28 2015-09-22 Caterpillar Inc. Hydraulic control system having swing energy recovery
US9145660B2 (en) 2012-08-31 2015-09-29 Caterpillar Inc. Hydraulic control system having over-pressure protection
US9187878B2 (en) 2012-08-31 2015-11-17 Caterpillar Inc. Hydraulic control system having swing oscillation dampening
US9328744B2 (en) 2012-08-31 2016-05-03 Caterpillar Inc. Hydraulic control system having swing energy recovery
US9388829B2 (en) 2012-08-31 2016-07-12 Caterpillar Inc. Hydraulic control system having swing motor energy recovery
US9388828B2 (en) 2012-08-31 2016-07-12 Caterpillar Inc. Hydraulic control system having swing motor energy recovery

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522080A1 (fr) * 1982-02-20 1983-08-26 Hartmann & Laemmle Entrainement pour une masse mobile au moyen d'un moteur hydraulique
JPS58156702A (ja) * 1982-02-20 1983-09-17 ハルトマン・ウント・レエムレ・ゲ−エムベ−ハ−・ウント・コ・カ−ゲ− 水力モ−タにより移動される物体の駆動装置
JPH04133744U (ja) * 1991-05-31 1992-12-11 積水化学工業株式会社 流し台
JPH074552U (ja) * 1993-06-22 1995-01-24 コベルコ建機エンジニアリング株式会社 作業車
JP2010019382A (ja) * 2008-07-11 2010-01-28 Sumitomo (Shi) Construction Machinery Co Ltd 油圧ポンプ容積制御回路
US8919113B2 (en) 2011-06-28 2014-12-30 Caterpillar Inc. Hydraulic control system having energy recovery kit
US9068575B2 (en) 2011-06-28 2015-06-30 Caterpillar Inc. Hydraulic control system having swing motor energy recovery
US8850806B2 (en) 2011-06-28 2014-10-07 Caterpillar Inc. Hydraulic control system having swing motor energy recovery
US8776511B2 (en) 2011-06-28 2014-07-15 Caterpillar Inc. Energy recovery system having accumulator and variable relief
US9139982B2 (en) 2011-06-28 2015-09-22 Caterpillar Inc. Hydraulic control system having swing energy recovery
US9187878B2 (en) 2012-08-31 2015-11-17 Caterpillar Inc. Hydraulic control system having swing oscillation dampening
US9086081B2 (en) 2012-08-31 2015-07-21 Caterpillar Inc. Hydraulic control system having swing motor recovery
US9091286B2 (en) 2012-08-31 2015-07-28 Caterpillar Inc. Hydraulic control system having electronic flow limiting
US9145660B2 (en) 2012-08-31 2015-09-29 Caterpillar Inc. Hydraulic control system having over-pressure protection
US9328744B2 (en) 2012-08-31 2016-05-03 Caterpillar Inc. Hydraulic control system having swing energy recovery
US9388829B2 (en) 2012-08-31 2016-07-12 Caterpillar Inc. Hydraulic control system having swing motor energy recovery
US9388828B2 (en) 2012-08-31 2016-07-12 Caterpillar Inc. Hydraulic control system having swing motor energy recovery
CN104179756A (zh) * 2013-05-20 2014-12-03 住友重机械工业株式会社 液压马达的再生回路、具备再生回路的施工机械以及液压马达的再生回路的控制方法
JP2015014345A (ja) * 2013-07-08 2015-01-22 日立建機株式会社 建設機械の油圧回路

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