JPS57173575A - Oil hydraulic pump motor - Google Patents

Oil hydraulic pump motor

Info

Publication number
JPS57173575A
JPS57173575A JP56057073A JP5707381A JPS57173575A JP S57173575 A JPS57173575 A JP S57173575A JP 56057073 A JP56057073 A JP 56057073A JP 5707381 A JP5707381 A JP 5707381A JP S57173575 A JPS57173575 A JP S57173575A
Authority
JP
Japan
Prior art keywords
pressure oil
oil
oil chamber
cylinder
chamber
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
JP56057073A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0329989B2 (https=
Inventor
Hitoshi Sato
Masahiko Shimotori
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.)
Filing date
Publication date
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP56057073A priority Critical patent/JPS57173575A/ja
Publication of JPS57173575A publication Critical patent/JPS57173575A/ja
Publication of JPH0329989B2 publication Critical patent/JPH0329989B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/10—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary
    • F04B1/107—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary with actuating or actuated elements at the outer ends of the cylinders
    • F04B1/1071—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary with actuating or actuated elements at the outer ends of the cylinders with rotary cylinder blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Motors (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
JP56057073A 1981-04-17 1981-04-17 Oil hydraulic pump motor Granted JPS57173575A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56057073A JPS57173575A (en) 1981-04-17 1981-04-17 Oil hydraulic pump motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56057073A JPS57173575A (en) 1981-04-17 1981-04-17 Oil hydraulic pump motor

Publications (2)

Publication Number Publication Date
JPS57173575A true JPS57173575A (en) 1982-10-25
JPH0329989B2 JPH0329989B2 (https=) 1991-04-25

Family

ID=13045274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56057073A Granted JPS57173575A (en) 1981-04-17 1981-04-17 Oil hydraulic pump motor

Country Status (1)

Country Link
JP (1) JPS57173575A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022007325A1 (zh) * 2020-07-10 2022-01-13 中国矿业大学 一种低速大扭矩阀配流内曲线径向柱塞式高水基液压马达

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022007325A1 (zh) * 2020-07-10 2022-01-13 中国矿业大学 一种低速大扭矩阀配流内曲线径向柱塞式高水基液压马达

Also Published As

Publication number Publication date
JPH0329989B2 (https=) 1991-04-25

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