JPS61181101U - - Google Patents

Info

Publication number
JPS61181101U
JPS61181101U JP6452385U JP6452385U JPS61181101U JP S61181101 U JPS61181101 U JP S61181101U JP 6452385 U JP6452385 U JP 6452385U JP 6452385 U JP6452385 U JP 6452385U JP S61181101 U JPS61181101 U JP S61181101U
Authority
JP
Japan
Prior art keywords
hydraulic pump
electric motor
drain
variable displacement
oil tank
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
JP6452385U
Other languages
Japanese (ja)
Other versions
JPH049441Y2 (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 JP1985064523U priority Critical patent/JPH049441Y2/ja
Publication of JPS61181101U publication Critical patent/JPS61181101U/ja
Application granted granted Critical
Publication of JPH049441Y2 publication Critical patent/JPH049441Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Description

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

図面は本考案の一実施例を示し、第１図は油圧
装置の正面図、第２図は平面図、第３図は第２図
の線―に沿つた部分拡大断面図である。 １……油タンク、２……上板、３……可変容量
形油圧ポンプ、４……電動機、１０……ドレン管
、１２……ヒートパイプ。 The drawings show an embodiment of the present invention; FIG. 1 is a front view of a hydraulic system, FIG. 2 is a plan view, and FIG. 3 is a partially enlarged sectional view taken along the line - in FIG. 2. 1... Oil tank, 2... Top plate, 3... Variable displacement hydraulic pump, 4... Electric motor, 10... Drain pipe, 12... Heat pipe.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内部に作動油を貯蔵するように形成した油タン
クの上板上に吐出圧に応じて吐出量を変化する可
変容量形油圧ポンプと可変容量形油圧ポンプを駆
動する電動機を配設し、可変容量形油圧ポンプの
ドレンを冷却作用して油タンクへ戻すようドレン
へ一端受熱部を浸漬してヒートパイプを設け、ヒ
ートパイプの他端放熱部を電動機に有する自己冷
却用のフアンによる冷却風が生ずる位置に配設し
て成る油圧装置。 A variable displacement hydraulic pump that changes the discharge amount according to the discharge pressure and an electric motor that drives the variable displacement hydraulic pump are installed on the upper plate of the oil tank that is formed to store hydraulic oil inside. A heat pipe is provided by dipping the heat receiving part at one end into the drain to cool the drain of the hydraulic pump and return it to the oil tank, and cooling air is generated by a self-cooling fan that has a heat radiating part at the other end of the heat pipe in the electric motor. Hydraulic device located at a certain location.
JP1985064523U 1985-04-30 1985-04-30 Expired JPH049441Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985064523U JPH049441Y2 (en) 1985-04-30 1985-04-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985064523U JPH049441Y2 (en) 1985-04-30 1985-04-30

Publications (2)

Publication Number Publication Date
JPS61181101U true JPS61181101U (en) 1986-11-12
JPH049441Y2 JPH049441Y2 (en) 1992-03-10

Family

ID=30595687

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985064523U Expired JPH049441Y2 (en) 1985-04-30 1985-04-30

Country Status (1)

Country Link
JP (1) JPH049441Y2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57102708U (en) * 1980-12-15 1982-06-24
JPS58196301A (en) * 1982-05-11 1983-11-15 Mitsuo Sohgoh Kenkyusho Kk Working oil cooler of hydraulic power unit
JPS59173533U (en) * 1983-05-06 1984-11-20 豊興工業株式会社 hydraulic unit
JPS6040566U (en) * 1983-08-30 1985-03-22 日立建機株式会社 construction machinery

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040566B2 (en) * 1979-03-24 1985-09-11 株式会社神戸製鋼所 Method for controlling combustion conditions in a combustion furnace

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57102708U (en) * 1980-12-15 1982-06-24
JPS58196301A (en) * 1982-05-11 1983-11-15 Mitsuo Sohgoh Kenkyusho Kk Working oil cooler of hydraulic power unit
JPS59173533U (en) * 1983-05-06 1984-11-20 豊興工業株式会社 hydraulic unit
JPS6040566U (en) * 1983-08-30 1985-03-22 日立建機株式会社 construction machinery

Also Published As

Publication number Publication date
JPH049441Y2 (en) 1992-03-10

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