JPS57134003A - Pump control method - Google Patents

Pump control method

Info

Publication number
JPS57134003A
JPS57134003A JP56017855A JP1785581A JPS57134003A JP S57134003 A JPS57134003 A JP S57134003A JP 56017855 A JP56017855 A JP 56017855A JP 1785581 A JP1785581 A JP 1785581A JP S57134003 A JPS57134003 A JP S57134003A
Authority
JP
Japan
Prior art keywords
flow rate
time
swirl member
spring
work load
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
JP56017855A
Other languages
English (en)
Inventor
Hitoshi Kitayama
Michio Suzuki
Yoshihiko Kitadate
Gunji Mamiya
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.)
IHI Corp
Kato Heavy Industries Construction Machinery Co Ltd
Original Assignee
IHI Corp
Ishikawajima 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 IHI Corp, Ishikawajima Construction Machinery Co Ltd filed Critical IHI Corp
Priority to JP56017855A priority Critical patent/JPS57134003A/ja
Publication of JPS57134003A publication Critical patent/JPS57134003A/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
JP56017855A 1981-02-09 1981-02-09 Pump control method Pending JPS57134003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56017855A JPS57134003A (en) 1981-02-09 1981-02-09 Pump control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56017855A JPS57134003A (en) 1981-02-09 1981-02-09 Pump control method

Publications (1)

Publication Number Publication Date
JPS57134003A true JPS57134003A (en) 1982-08-19

Family

ID=11955265

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56017855A Pending JPS57134003A (en) 1981-02-09 1981-02-09 Pump control method

Country Status (1)

Country Link
JP (1) JPS57134003A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6226987B1 (en) * 1997-12-24 2001-05-08 Komatsu Ltd. Travel drive apparatus for hydraulic drive work vehicles and control therefor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5133202B2 (ja) * 1973-09-07 1976-09-18
JPS5425192A (en) * 1977-07-27 1979-02-24 Matsushita Electric Ind Co Ltd Thickness slip resonator of parallel electric field excitation
JPS5544241A (en) * 1978-09-22 1980-03-28 Mitsubishi Electric Corp Primary radiator for reflection mirror antenna

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5133202B2 (ja) * 1973-09-07 1976-09-18
JPS5425192A (en) * 1977-07-27 1979-02-24 Matsushita Electric Ind Co Ltd Thickness slip resonator of parallel electric field excitation
JPS5544241A (en) * 1978-09-22 1980-03-28 Mitsubishi Electric Corp Primary radiator for reflection mirror antenna

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6226987B1 (en) * 1997-12-24 2001-05-08 Komatsu Ltd. Travel drive apparatus for hydraulic drive work vehicles and control therefor

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