JPS61129905U - - Google Patents

Info

Publication number
JPS61129905U
JPS61129905U JP1354085U JP1354085U JPS61129905U JP S61129905 U JPS61129905 U JP S61129905U JP 1354085 U JP1354085 U JP 1354085U JP 1354085 U JP1354085 U JP 1354085U JP S61129905 U JPS61129905 U JP S61129905U
Authority
JP
Japan
Prior art keywords
large capacity
capacity pump
pressure switch
timer
relief 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.)
Granted
Application number
JP1354085U
Other languages
Japanese (ja)
Other versions
JPH0442565Y2 (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 JP1985013540U priority Critical patent/JPH0442565Y2/ja
Publication of JPS61129905U publication Critical patent/JPS61129905U/ja
Application granted granted Critical
Publication of JPH0442565Y2 publication Critical patent/JPH0442565Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

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

第１図は本考案実施の一例を示す油圧回路図、
第１図ａは電気回路図、第２図は従来例を示す油
圧回路図である。 図中、１は大容量ポンプ、３はアンロードリリ
ーフバルブ、７はプレツシヤスイツチ、９はタイ
マー、である。 FIG. 1 is a hydraulic circuit diagram showing an example of implementing the present invention.
FIG. 1a is an electric circuit diagram, and FIG. 2 is a hydraulic circuit diagram showing a conventional example. In the figure, 1 is a large capacity pump, 3 is an unload relief valve, 7 is a pressure switch, and 9 is a timer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 大容量ポンプと大容量ポンプ用リリーフバルブ
との間に大容量ポンプの油圧を感知するプレツシ
ヤスイツチを介在設置すると共に、該プレツシヤ
スイツチと連動するタイマーを接続せしめてなる
ことを特徴とした油圧異常検出回路。 A pressure switch that senses the oil pressure of the large capacity pump is interposed between the large capacity pump and the relief valve for the large capacity pump, and a timer that operates in conjunction with the pressure switch is connected. Hydraulic abnormality detection circuit.
JP1985013540U 1985-01-31 1985-01-31 Expired JPH0442565Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985013540U JPH0442565Y2 (en) 1985-01-31 1985-01-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985013540U JPH0442565Y2 (en) 1985-01-31 1985-01-31

Publications (2)

Publication Number Publication Date
JPS61129905U true JPS61129905U (en) 1986-08-14
JPH0442565Y2 JPH0442565Y2 (en) 1992-10-08

Family

ID=30497645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985013540U Expired JPH0442565Y2 (en) 1985-01-31 1985-01-31

Country Status (1)

Country Link
JP (1) JPH0442565Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01314132A (en) * 1988-06-13 1989-12-19 Niigata Eng Co Ltd Device preventing abnormal start of oil pressure pump for injection molding machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831190U (en) * 1971-08-25 1973-04-16
JPS4910717U (en) * 1972-04-28 1974-01-29
JPS52131748A (en) * 1976-04-27 1977-11-04 Yanmar Agricult Equip Operation supervisory apparatus for agricultural machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831190U (en) * 1971-08-25 1973-04-16
JPS4910717U (en) * 1972-04-28 1974-01-29
JPS52131748A (en) * 1976-04-27 1977-11-04 Yanmar Agricult Equip Operation supervisory apparatus for agricultural machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01314132A (en) * 1988-06-13 1989-12-19 Niigata Eng Co Ltd Device preventing abnormal start of oil pressure pump for injection molding machine

Also Published As

Publication number Publication date
JPH0442565Y2 (en) 1992-10-08

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