JPS6413274U - - Google Patents

Info

Publication number
JPS6413274U
JPS6413274U JP10830187U JP10830187U JPS6413274U JP S6413274 U JPS6413274 U JP S6413274U JP 10830187 U JP10830187 U JP 10830187U JP 10830187 U JP10830187 U JP 10830187U JP S6413274 U JPS6413274 U JP S6413274U
Authority
JP
Japan
Prior art keywords
port
small holes
hydraulic pump
valve plate
connects
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
JP10830187U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP10830187U priority Critical patent/JPS6413274U/ja
Publication of JPS6413274U publication Critical patent/JPS6413274U/ja
Pending legal-status Critical Current

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  • Reciprocating Pumps (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例に係る油圧ポンプの
説明図、第２図は従来の油圧ポンプに用いられて
いる弁板の説明図である。 １……高圧ポート、２……低圧ポート、３ａ〜
ｈ……小穴、ａ……切換弁、ｂ……弁板。 FIG. 1 is an explanatory diagram of a hydraulic pump according to an embodiment of the present invention, and FIG. 2 is an explanatory diagram of a valve plate used in a conventional hydraulic pump. 1...High pressure port, 2...Low pressure port, 3a~
h...Small hole, a...Switching valve, b...Valve plate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダーが摺動する面の各ポートに先行する
位置に複数の小穴を開口させた弁板と上記ポート
を上記各小穴に切換え可能に接続する切換弁とを
備えてなることを特徴とする油圧ポンプ。 A hydraulic pump comprising: a valve plate having a plurality of small holes opened at positions preceding each port on a surface on which the cylinder slides; and a switching valve that connects the port to each of the small holes in a switchable manner. .
JP10830187U 1987-07-16 1987-07-16 Pending JPS6413274U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10830187U JPS6413274U (en) 1987-07-16 1987-07-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10830187U JPS6413274U (en) 1987-07-16 1987-07-16

Publications (1)

Publication Number Publication Date
JPS6413274U true JPS6413274U (en) 1989-01-24

Family

ID=31343500

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10830187U Pending JPS6413274U (en) 1987-07-16 1987-07-16

Country Status (1)

Country Link
JP (1) JPS6413274U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994015097A1 (en) * 1992-12-22 1994-07-07 Kabushiki Kaisha Komatsu Seisakusho Device for controlling pressure in cylinder chamber of hydraulic pump motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994015097A1 (en) * 1992-12-22 1994-07-07 Kabushiki Kaisha Komatsu Seisakusho Device for controlling pressure in cylinder chamber of hydraulic pump motor

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