JPH0377072U - - Google Patents

Info

Publication number
JPH0377072U
JPH0377072U JP13761889U JP13761889U JPH0377072U JP H0377072 U JPH0377072 U JP H0377072U JP 13761889 U JP13761889 U JP 13761889U JP 13761889 U JP13761889 U JP 13761889U JP H0377072 U JPH0377072 U JP H0377072U
Authority
JP
Japan
Prior art keywords
piston
hydraulic pump
cylinder
outer periphery
thermal conductivity
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
JP13761889U
Other languages
English (en)
Other versions
JP2553032Y2 (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 JP1989137618U priority Critical patent/JP2553032Y2/ja
Publication of JPH0377072U publication Critical patent/JPH0377072U/ja
Application granted granted Critical
Publication of JP2553032Y2 publication Critical patent/JP2553032Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Details Of Reciprocating Pumps (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Description

【図面の簡単な説明】
第１図はこの考案による油圧ポンプまたはモー
タの縦断面図を示す図、第２図は従来の構造を示
す図である。 １……ハウジング、２……カバー、３……シリ
ンダブロツク、４……ピストンシユー、５……回
転軸、６……入口、７……出口、８……バネ、Ｐ
Ｈ……ピストン本体、ＰＳ……ピストンスリーブ
、ＰＬ……止め輪。

Claims (1)

    【実用新案登録請求の範囲】
  1. 素材として熱伝導性の良いアルミニユーム合金
    や銅合金等を用いると共に、シリンダに摺接する
    外周部に硬度の高い焼入鋼等で作つたスリーブを
    装着したピストンを用いることを特徴とするピス
    トン形油圧ポンプまたはモータ。
JP1989137618U 1989-11-28 1989-11-28 アキシャル形ピストンポンプまたはモータ Expired - Lifetime JP2553032Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989137618U JP2553032Y2 (ja) 1989-11-28 1989-11-28 アキシャル形ピストンポンプまたはモータ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989137618U JP2553032Y2 (ja) 1989-11-28 1989-11-28 アキシャル形ピストンポンプまたはモータ

Publications (2)

Publication Number Publication Date
JPH0377072U true JPH0377072U (ja) 1991-08-01
JP2553032Y2 JP2553032Y2 (ja) 1997-11-05

Family

ID=31684766

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989137618U Expired - Lifetime JP2553032Y2 (ja) 1989-11-28 1989-11-28 アキシャル形ピストンポンプまたはモータ

Country Status (1)

Country Link
JP (1) JP2553032Y2 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6293185B1 (en) * 2000-02-28 2001-09-25 Sauer-Danfoss Inc. Piston for a hydrostatic cylinder block

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS584779U (ja) * 1981-07-02 1983-01-12 株式会社丸山製作所 往復動ポンプのプランジヤ
JPS628460U (ja) * 1985-06-29 1987-01-19
JPS62292967A (ja) * 1986-06-13 1987-12-19 Toshiba Corp 空気シリンダ装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS584779U (ja) * 1981-07-02 1983-01-12 株式会社丸山製作所 往復動ポンプのプランジヤ
JPS628460U (ja) * 1985-06-29 1987-01-19
JPS62292967A (ja) * 1986-06-13 1987-12-19 Toshiba Corp 空気シリンダ装置

Also Published As

Publication number Publication date
JP2553032Y2 (ja) 1997-11-05

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