JPS51137103A - Oil pressure pump motor - Google Patents

Oil pressure pump motor

Info

Publication number
JPS51137103A
JPS51137103A JP50054080A JP5408075A JPS51137103A JP S51137103 A JPS51137103 A JP S51137103A JP 50054080 A JP50054080 A JP 50054080A JP 5408075 A JP5408075 A JP 5408075A JP S51137103 A JPS51137103 A JP S51137103A
Authority
JP
Japan
Prior art keywords
oil pressure
pressure pump
pump motor
piston
motor
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
JP50054080A
Other languages
Japanese (ja)
Other versions
JPS578315B2 (en
Inventor
Tadashi Nemoto
Tateo Tamamura
Eiji Yonetani
Masahiko Shimotori
Minoru Kubosawa
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 Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP50054080A priority Critical patent/JPS51137103A/en
Publication of JPS51137103A publication Critical patent/JPS51137103A/en
Publication of JPS578315B2 publication Critical patent/JPS578315B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Hydraulic Motors (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

PURPOSE: The arrangement to prepare a piston for the oil pressure pump. Motor with the material to satisfy the demand required for the piston material does not only secure the long duration of its use but also exempt the use of piston ring.
COPYRIGHT: (C)1976,JPO&Japio
JP50054080A 1975-05-06 1975-05-06 Oil pressure pump motor Granted JPS51137103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50054080A JPS51137103A (en) 1975-05-06 1975-05-06 Oil pressure pump motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50054080A JPS51137103A (en) 1975-05-06 1975-05-06 Oil pressure pump motor

Publications (2)

Publication Number Publication Date
JPS51137103A true JPS51137103A (en) 1976-11-26
JPS578315B2 JPS578315B2 (en) 1982-02-16

Family

ID=12960624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50054080A Granted JPS51137103A (en) 1975-05-06 1975-05-06 Oil pressure pump motor

Country Status (1)

Country Link
JP (1) JPS51137103A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55134780A (en) * 1979-04-04 1980-10-20 Zahnradfabrik Friedrichshafen High pressure pump
CN102758720A (en) * 2011-04-26 2012-10-31 无锡市汉力士液压泵制品有限公司 Radial piston used in hydraulic motor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50137316A (en) * 1974-04-20 1975-10-31

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50137316A (en) * 1974-04-20 1975-10-31

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55134780A (en) * 1979-04-04 1980-10-20 Zahnradfabrik Friedrichshafen High pressure pump
CN102758720A (en) * 2011-04-26 2012-10-31 无锡市汉力士液压泵制品有限公司 Radial piston used in hydraulic motor

Also Published As

Publication number Publication date
JPS578315B2 (en) 1982-02-16

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