JPS57140583A - Controller for power of hydraulic equipment - Google Patents

Controller for power of hydraulic equipment

Info

Publication number
JPS57140583A
JPS57140583A JP56024260A JP2426081A JPS57140583A JP S57140583 A JPS57140583 A JP S57140583A JP 56024260 A JP56024260 A JP 56024260A JP 2426081 A JP2426081 A JP 2426081A JP S57140583 A JPS57140583 A JP S57140583A
Authority
JP
Japan
Prior art keywords
pressure
load
prime mover
check valve
falls
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
JP56024260A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0154557B2 (enrdf_load_stackoverflow
Inventor
Hiroshi Watanabe
Eiki Izumi
Yukio Aoyanagi
Kazuo Honma
Yoshio Nakajima
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 JP56024260A priority Critical patent/JPS57140583A/ja
Publication of JPS57140583A publication Critical patent/JPS57140583A/ja
Publication of JPH0154557B2 publication Critical patent/JPH0154557B2/ja
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/002Hydraulic systems to change the pump delivery

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
JP56024260A 1981-02-23 1981-02-23 Controller for power of hydraulic equipment Granted JPS57140583A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56024260A JPS57140583A (en) 1981-02-23 1981-02-23 Controller for power of hydraulic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56024260A JPS57140583A (en) 1981-02-23 1981-02-23 Controller for power of hydraulic equipment

Publications (2)

Publication Number Publication Date
JPS57140583A true JPS57140583A (en) 1982-08-31
JPH0154557B2 JPH0154557B2 (enrdf_load_stackoverflow) 1989-11-20

Family

ID=12133261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56024260A Granted JPS57140583A (en) 1981-02-23 1981-02-23 Controller for power of hydraulic equipment

Country Status (1)

Country Link
JP (1) JPS57140583A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4627238A (en) * 1983-11-08 1986-12-09 Hydromatik Gmbh Output control apparatus for a hydrostatic drive with delivery adjustment
JPH01117992A (ja) * 1987-10-30 1989-05-10 Hitachi Constr Mach Co Ltd 可変容量油圧ポンプの馬力制御装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5018137A (enrdf_load_stackoverflow) * 1973-06-14 1975-02-26
JPS52112077A (en) * 1976-03-15 1977-09-20 Caterpillar Tractor Co Unlimitedly variable orifice in use with nozzle control part

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5018137A (enrdf_load_stackoverflow) * 1973-06-14 1975-02-26
JPS52112077A (en) * 1976-03-15 1977-09-20 Caterpillar Tractor Co Unlimitedly variable orifice in use with nozzle control part

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4627238A (en) * 1983-11-08 1986-12-09 Hydromatik Gmbh Output control apparatus for a hydrostatic drive with delivery adjustment
JPH01117992A (ja) * 1987-10-30 1989-05-10 Hitachi Constr Mach Co Ltd 可変容量油圧ポンプの馬力制御装置

Also Published As

Publication number Publication date
JPH0154557B2 (enrdf_load_stackoverflow) 1989-11-20

Similar Documents

Publication Publication Date Title
ES462925A1 (es) Instalacion hidraulica para la alimentacion de un liquido a un dispositivo hidraulico bajo diferentes y alternas pre- siones.
JPS57154503A (en) Pressurized fluid feeder
JPS5690159A (en) Controlling circuit for oil-pressure driving mechanism
JPS57140583A (en) Controller for power of hydraulic equipment
GB1157104A (en) Hydraulic Pressure Control Circuit
ES451196A1 (es) Perfeccionamientos introducidos en una transmision hidrosta-tica.
GB928657A (en) Hydraulic transmission with low speed slip compensation
JPS578382A (en) Flow control of pressure fluid
IT1171521B (it) Perfezionamento nelle valvole di controllo e di sfogo per sistemi idraulici
JPS57124089A (en) Pump operation control method
CA1265955A (en) Pumping systems
JPS579302A (en) Unload valve
JPS57210188A (en) Total horsepower control method for a multitude of oil hydraulic pumps
US2926496A (en) Hydraulic pump
JPS5718526A (en) Hydraulic equipment for dump truck or the like
US2296669A (en) Power transmission
FR2389021A1 (fr) Dispositif d'isolement hydraulique automatique
JPS5758739A (en) Construction machinery such as power shovel
JPS5632088A (en) Input torque controlling system for variable displacement pump
JPS5641745A (en) Sealing oil feeder
EP0092315A3 (en) Hydraulic pump control
JPS5690101A (en) Power unit for hydraulic elevator
JPS57103906A (en) Pressure controlling device
JPS5754626A (en) Hydraulic control circuit for pile-driving hammer
JPS5618101A (en) Dual-direction revolving type hydraulic package