JPH0457685U - - Google Patents

Info

Publication number
JPH0457685U
JPH0457685U JP9942690U JP9942690U JPH0457685U JP H0457685 U JPH0457685 U JP H0457685U JP 9942690 U JP9942690 U JP 9942690U JP 9942690 U JP9942690 U JP 9942690U JP H0457685 U JPH0457685 U JP H0457685U
Authority
JP
Japan
Prior art keywords
oil
temperature
hydraulic
issue
command
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
JP9942690U
Other languages
Japanese (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 JP9942690U priority Critical patent/JPH0457685U/ja
Publication of JPH0457685U publication Critical patent/JPH0457685U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (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図は制御
回路、第２図はＰ−Ｑカーブ図表である。 １……エンジン、２……油圧ポンプ、３……吐
出油路、４……油圧アクチエータ、５……方向切
換弁、６……ドレーン回路。 The drawings show an embodiment of the present invention, with FIG. 1 showing a control circuit and FIG. 2 showing a P-Q curve chart. DESCRIPTION OF SYMBOLS 1... Engine, 2... Hydraulic pump, 3... Discharge oil path, 4... Hydraulic actuator, 5... Directional switching valve, 6... Drain circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 油圧アクチエータからの戻り油の温度をオイル
クーラ入口部に設けた温度センサにより検出して
、該検出信号をコントローラに入力し、設定以上
の油温状態になつた場合は、ポンプ吐出量の低減
を指令するようにしたことを特徴とする作動油温
度の制御装置。 The temperature of the return oil from the hydraulic actuator is detected by a temperature sensor installed at the oil cooler inlet, and the detection signal is input to the controller. If the oil temperature exceeds the setting, the pump discharge amount is reduced. A hydraulic oil temperature control device, characterized in that it is configured to issue a command.
JP9942690U 1990-09-21 1990-09-21 Pending JPH0457685U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9942690U JPH0457685U (en) 1990-09-21 1990-09-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9942690U JPH0457685U (en) 1990-09-21 1990-09-21

Publications (1)

Publication Number Publication Date
JPH0457685U true JPH0457685U (en) 1992-05-18

Family

ID=31841343

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9942690U Pending JPH0457685U (en) 1990-09-21 1990-09-21

Country Status (1)

Country Link
JP (1) JPH0457685U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002050435A1 (en) * 2000-12-18 2002-06-27 Hitachi Construction Machinery Co., Ltd. Control device for construction machine
WO2013046630A1 (en) * 2011-09-27 2013-04-04 ダイキン工業株式会社 Liquid pressure unit
JP2013221527A (en) * 2012-04-12 2013-10-28 Tadano Ltd Hydraulic drive work machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS632825B2 (en) * 1980-06-06 1988-01-20 Hino Motors Ltd
JPH02120111A (en) * 1988-10-28 1990-05-08 Nissan Motor Co Ltd Pressure supplying device for vehicle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS632825B2 (en) * 1980-06-06 1988-01-20 Hino Motors Ltd
JPH02120111A (en) * 1988-10-28 1990-05-08 Nissan Motor Co Ltd Pressure supplying device for vehicle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002050435A1 (en) * 2000-12-18 2002-06-27 Hitachi Construction Machinery Co., Ltd. Control device for construction machine
WO2013046630A1 (en) * 2011-09-27 2013-04-04 ダイキン工業株式会社 Liquid pressure unit
JP2013072453A (en) * 2011-09-27 2013-04-22 Daikin Industries Ltd Liquid pressure unit
TWI465648B (en) * 2011-09-27 2014-12-21 Daikin Ind Ltd Hydraulic unit
US9366267B2 (en) 2011-09-27 2016-06-14 Daikin Industries, Ltd. Hydraulic unit
JP2013221527A (en) * 2012-04-12 2013-10-28 Tadano Ltd Hydraulic drive work machine

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