JPH01148107U - - Google Patents

Info

Publication number
JPH01148107U
JPH01148107U JP4471588U JP4471588U JPH01148107U JP H01148107 U JPH01148107 U JP H01148107U JP 4471588 U JP4471588 U JP 4471588U JP 4471588 U JP4471588 U JP 4471588U JP H01148107 U JPH01148107 U JP H01148107U
Authority
JP
Japan
Prior art keywords
hydraulic circuit
oil temperature
hydraulic
engine
valve
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
JP4471588U
Other languages
English (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 JP4471588U priority Critical patent/JPH01148107U/ja
Publication of JPH01148107U publication Critical patent/JPH01148107U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)

Description

【図面の簡単な説明】
図面は本考案の実施例を示し、第1図は制御回
路図、第2図は油圧回路図である。 1はエンジン、2は油圧ポンプ、3は操作弁、
4は油圧機器、7はシリンダ、8は油温センサ、
9はリリーフ弁、20は電磁切換弁。

Claims (1)

    【実用新案登録請求の範囲】
  1. エンジン1で駆動される油圧ポンプ2の吐出油
    を操作弁3等を介して油圧機器2に供給すると共
    に、異常圧を防止するリリーフ弁9を備えた油圧
    回路において、前記エンジン1の回転数を高速、
    低速に切換えるシリンダ7と、該シリンダ7にエ
    アを供給制御する電磁切換弁20と、前記油圧回
    路の油温が設定温度以上となると電磁切換弁20
    を切換える油温センサ8とを設けたことを特徴と
    する油圧回路の油温上昇防止装置。
JP4471588U 1988-04-04 1988-04-04 Pending JPH01148107U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4471588U JPH01148107U (ja) 1988-04-04 1988-04-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4471588U JPH01148107U (ja) 1988-04-04 1988-04-04

Publications (1)

Publication Number Publication Date
JPH01148107U true JPH01148107U (ja) 1989-10-13

Family

ID=31271065

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4471588U Pending JPH01148107U (ja) 1988-04-04 1988-04-04

Country Status (1)

Country Link
JP (1) JPH01148107U (ja)

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