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JPS5253189A - Controller, in hydraulic unit - Google Patents

Controller, in hydraulic unit

Info

Publication number
JPS5253189A
JPS5253189A JP12903775A JP12903775A JPS5253189A JP S5253189 A JPS5253189 A JP S5253189A JP 12903775 A JP12903775 A JP 12903775A JP 12903775 A JP12903775 A JP 12903775A JP S5253189 A JPS5253189 A JP S5253189A
Authority
JP
Japan
Prior art keywords
controller
hydraulic unit
make
power
lessen
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
JP12903775A
Other languages
Japanese (ja)
Other versions
JPS6011243B2 (en
Inventor
Katsuro Abe
Shuichi Ichiyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
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 by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP50129037A priority Critical patent/JPS6011243B2/en
Publication of JPS5253189A publication Critical patent/JPS5253189A/en
Publication of JPS6011243B2 publication Critical patent/JPS6011243B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

PURPOSE: To lessen the power loss by a method such that in an actual operation detecting a flow amount and pressure required for the hydraulic pressure circuit to make them feed-back, the engine revolution be always controlled to make the power consumption to be approximate to the power required.
COPYRIGHT: (C)1977,JPO&Japio
JP50129037A 1975-10-27 1975-10-27 Control device installed in Aburosho unit Expired JPS6011243B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50129037A JPS6011243B2 (en) 1975-10-27 1975-10-27 Control device installed in Aburosho unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50129037A JPS6011243B2 (en) 1975-10-27 1975-10-27 Control device installed in Aburosho unit

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP7416081A Division JPS57163701A (en) 1981-05-19 1981-05-19 Controller of hydraulic unit

Publications (2)

Publication Number Publication Date
JPS5253189A true JPS5253189A (en) 1977-04-28
JPS6011243B2 JPS6011243B2 (en) 1985-03-25

Family

ID=14999535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50129037A Expired JPS6011243B2 (en) 1975-10-27 1975-10-27 Control device installed in Aburosho unit

Country Status (1)

Country Link
JP (1) JPS6011243B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54151781A (en) * 1978-05-22 1979-11-29 Kato Seisakushiyo Kk Speed controller for hydraulic selfftravelling working machine
JPS5722920A (en) * 1980-07-18 1982-02-06 Japan Steel Works Ltd:The Engine control device of construction machine
JPS5732090A (en) * 1980-07-31 1982-02-20 Japan Steel Works Ltd:The Control unit for engine and pump of construction equipment etc.
JPS57156046U (en) * 1981-03-25 1982-09-30
JPS58176883U (en) * 1982-05-18 1983-11-26 株式会社ナブコ Accelerator control device that can be connected to the directional control valve
JPS6197457U (en) * 1984-11-30 1986-06-23

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49108483A (en) * 1973-02-16 1974-10-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49108483A (en) * 1973-02-16 1974-10-15

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54151781A (en) * 1978-05-22 1979-11-29 Kato Seisakushiyo Kk Speed controller for hydraulic selfftravelling working machine
JPS6157457B2 (en) * 1978-05-22 1986-12-06 Kato Seisakusho Kk
JPS5722920A (en) * 1980-07-18 1982-02-06 Japan Steel Works Ltd:The Engine control device of construction machine
JPS6058338B2 (en) * 1980-07-18 1985-12-19 株式会社日本製鋼所 Construction machinery engine control device
JPS5732090A (en) * 1980-07-31 1982-02-20 Japan Steel Works Ltd:The Control unit for engine and pump of construction equipment etc.
JPS57156046U (en) * 1981-03-25 1982-09-30
JPH0134674Y2 (en) * 1981-03-25 1989-10-23
JPS58176883U (en) * 1982-05-18 1983-11-26 株式会社ナブコ Accelerator control device that can be connected to the directional control valve
JPH0228243Y2 (en) * 1982-05-18 1990-07-30
JPS6197457U (en) * 1984-11-30 1986-06-23
JPH0410291Y2 (en) * 1984-11-30 1992-03-13

Also Published As

Publication number Publication date
JPS6011243B2 (en) 1985-03-25

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