JPS643093U - - Google Patents

Info

Publication number
JPS643093U
JPS643093U JP1969988U JP1969988U JPS643093U JP S643093 U JPS643093 U JP S643093U JP 1969988 U JP1969988 U JP 1969988U JP 1969988 U JP1969988 U JP 1969988U JP S643093 U JPS643093 U JP S643093U
Authority
JP
Japan
Prior art keywords
gears
internal chamber
chamber
dimensions
pair
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
JP1969988U
Other languages
Japanese (ja)
Other versions
JPH0533738Y2 (en
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 JP1988019699U priority Critical patent/JPH0533738Y2/ja
Publication of JPS643093U publication Critical patent/JPS643093U/ja
Application granted granted Critical
Publication of JPH0533738Y2 publication Critical patent/JPH0533738Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Rotary Pumps (AREA)

Description

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

第1図は本考案を実施したギヤポンプの縦断側
面図、第2図は第1図のA―A線による断面図、
第3図は可動部材の端面図である。 図面において、1はケーシング、3は内部室、
3A及び3Bは室部分、4は駆動軸、5は駆動歯
車、6は従動軸、7は従動歯車、11A及び11
Bは内部室の端壁面、12は板状可動部材である
Fig. 1 is a vertical side view of a gear pump implementing the present invention, Fig. 2 is a sectional view taken along line A-A in Fig. 1,
FIG. 3 is an end view of the movable member. In the drawings, 1 is the casing, 3 is the internal chamber,
3A and 3B are chamber parts, 4 is a drive shaft, 5 is a drive gear, 6 is a driven shaft, 7 is a driven gear, 11A and 11
B is an end wall surface of the internal chamber, and 12 is a plate-shaped movable member.

補正 昭63.3.16 実用新案登録請求の範囲を次のように補正する
Amendment March 16, 1983 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】 (1) ケーシングの内部室内で一対の歯車が外接
して噛合回転する形式のギヤポンプにおいて、該
一対の歯車の少なくとも片側面とこれに対向する
該内部室の端壁面との間の室部分に、炭素繊維を
混入させた合成樹脂で
その室部分の断面形状・寸
法に適合した形状・寸法にそれぞれ形成した複数
の板状の可動部材を、ケーシングの吸込側と吐出
し側とを相互に連通させる複数の狭小な通路を形
成する一定
のすきまを残した態様で装填すると共
に、これら可動部材を歯車の駆動軸及び従動軸の
両軸に摺動可能に支承させ、前記内部室内の液圧
の作用によりその軸方向に摺動変位させ得るよう
にしたことを特徴とする圧力平衡装置。 (2) 各可動部材が炭素繊維を混入させた弗素
脂で作られていることを特徴とする実用新案登録
請求の範囲第1項に記載の圧力平衡装置。
[Claims for Utility Model Registration] (1) In a gear pump of the type in which a pair of gears mesh and rotate externally in an internal chamber of a casing, at least one side surface of the pair of gears and an end wall surface of the internal chamber opposite thereto. A plurality of plate-shaped movable members each made of synthetic resin mixed with carbon fiber and having a shape and dimensions that match the cross-sectional shape and dimensions of the chamber are placed between the suction side of the casing and the discharge side of the casing. and the movable members are slidably supported on both the drive shaft and the driven shaft of the gear, A pressure balancing device characterized in that it can be slidably displaced in the axial direction by the action of hydraulic pressure within the internal chamber. (2) The pressure balancing device according to claim 1, wherein each movable member is made of fluororesin mixed with carbon fiber.

Claims (1)

【実用新案登録請求の範囲】 (1) ケーシングの内部室内で一対の歯車が外接
して噛合回転する形式のギヤポンプにおいて、該
一対の歯車の少なくとも片側面とこれに対向する
該内部室の端壁面との間の室部分に、その室部分
の断面形状・寸法に適合した形状・寸法を有する
複数の板状の可動部材を若干のすきまを残した態
様で装填すると共に、これら可動部材を歯車の駆
動軸及び従動軸の両軸に摺動可能に支承させ、前
記内部室内の液圧の作用によりその軸方向に摺動
変位させ得るようにしたことを特徴とする圧力平
衡装置。 (2) 各可動部材が炭素繊維を混入させた硬質合
成樹脂で作られていることを特徴とする実用新案
登録請求の範囲第1項に記載の圧力平衡装置。
[Claims for Utility Model Registration] (1) In a gear pump of the type in which a pair of gears mesh and rotate externally in an internal chamber of a casing, at least one side surface of the pair of gears and an end wall surface of the internal chamber opposite thereto. A plurality of plate-shaped movable members having shapes and dimensions that match the cross-sectional shape and dimensions of the chamber are loaded into the chamber between the gears, leaving a slight gap, and these movable members are placed between the gears. A pressure equalization device, characterized in that it is slidably supported on both a drive shaft and a driven shaft, and can be slidably displaced in the axial direction by the action of hydraulic pressure in the internal chamber. (2) The pressure balancing device according to claim 1, wherein each movable member is made of hard synthetic resin mixed with carbon fiber.
JP1988019699U 1988-02-17 1988-02-17 Expired - Lifetime JPH0533738Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988019699U JPH0533738Y2 (en) 1988-02-17 1988-02-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988019699U JPH0533738Y2 (en) 1988-02-17 1988-02-17

Publications (2)

Publication Number Publication Date
JPS643093U true JPS643093U (en) 1989-01-10
JPH0533738Y2 JPH0533738Y2 (en) 1993-08-26

Family

ID=31235439

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988019699U Expired - Lifetime JPH0533738Y2 (en) 1988-02-17 1988-02-17

Country Status (1)

Country Link
JP (1) JPH0533738Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4918851A (en) * 1972-06-16 1974-02-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4918851A (en) * 1972-06-16 1974-02-19

Also Published As

Publication number Publication date
JPH0533738Y2 (en) 1993-08-26

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