JP2015218618A - アキシャルピストン式油圧ポンプ - Google Patents

アキシャルピストン式油圧ポンプ Download PDF

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Publication number
JP2015218618A
JP2015218618A JP2014101364A JP2014101364A JP2015218618A JP 2015218618 A JP2015218618 A JP 2015218618A JP 2014101364 A JP2014101364 A JP 2014101364A JP 2014101364 A JP2014101364 A JP 2014101364A JP 2015218618 A JP2015218618 A JP 2015218618A
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JP
Japan
Prior art keywords
pressure
cylinder
discharge
port
introduction hole
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
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JP2014101364A
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English (en)
Japanese (ja)
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JP2015218618A5 (enExample
Inventor
中山　晃
Akira Nakayama
中山　　晃
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
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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.)
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Publication date
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP2014101364A priority Critical patent/JP2015218618A/ja
Publication of JP2015218618A publication Critical patent/JP2015218618A/ja
Publication of JP2015218618A5 publication Critical patent/JP2015218618A5/ja
Pending legal-status Critical Current

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JP2014101364A 2014-05-15 2014-05-15 アキシャルピストン式油圧ポンプ Pending JP2015218618A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2014101364A JP2015218618A (ja) 2014-05-15 2014-05-15 アキシャルピストン式油圧ポンプ

Applications Claiming Priority (1)

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JP2014101364A JP2015218618A (ja) 2014-05-15 2014-05-15 アキシャルピストン式油圧ポンプ

Publications (2)

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JP2015218618A true JP2015218618A (ja) 2015-12-07
JP2015218618A5 JP2015218618A5 (enExample) 2017-04-20

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ID=54778220

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JP2014101364A Pending JP2015218618A (ja) 2014-05-15 2014-05-15 アキシャルピストン式油圧ポンプ

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JP (1) JP2015218618A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115929616A (zh) * 2022-12-20 2023-04-07 徐州重型机械有限公司 一种起重机用柱塞泵的降噪方法及其降噪装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52138704A (en) * 1976-05-15 1977-11-19 Kawasaki Heavy Ind Ltd Fluid pump
JPH09280159A (ja) * 1996-04-12 1997-10-28 Hitachi Constr Mach Co Ltd アキシャルピストン型油圧ポンプ
JP4646972B2 (ja) * 2005-02-10 2011-03-09 株式会社小松製作所 油圧ピストンポンプ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52138704A (en) * 1976-05-15 1977-11-19 Kawasaki Heavy Ind Ltd Fluid pump
JPH09280159A (ja) * 1996-04-12 1997-10-28 Hitachi Constr Mach Co Ltd アキシャルピストン型油圧ポンプ
JP4646972B2 (ja) * 2005-02-10 2011-03-09 株式会社小松製作所 油圧ピストンポンプ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115929616A (zh) * 2022-12-20 2023-04-07 徐州重型机械有限公司 一种起重机用柱塞泵的降噪方法及其降噪装置

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