JPH0452393B2 - - Google Patents

Info

Publication number
JPH0452393B2
JPH0452393B2 JP57173154A JP17315482A JPH0452393B2 JP H0452393 B2 JPH0452393 B2 JP H0452393B2 JP 57173154 A JP57173154 A JP 57173154A JP 17315482 A JP17315482 A JP 17315482A JP H0452393 B2 JPH0452393 B2 JP H0452393B2
Authority
JP
Japan
Prior art keywords
pressure
spring
passage
piston
pump
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.)
Expired - Lifetime
Application number
JP57173154A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5963384A (ja
Inventor
Teruo Akyama
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP57173154A priority Critical patent/JPS5963384A/ja
Publication of JPS5963384A publication Critical patent/JPS5963384A/ja
Publication of JPH0452393B2 publication Critical patent/JPH0452393B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, 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
    • F04B49/22—Control, 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 by means of valves
    • F04B49/225—Control, 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 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
JP57173154A 1982-10-04 1982-10-04 可変容量型ポンプにおける制御装置の可変式トルクコントロ−ル弁装置 Granted JPS5963384A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57173154A JPS5963384A (ja) 1982-10-04 1982-10-04 可変容量型ポンプにおける制御装置の可変式トルクコントロ−ル弁装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57173154A JPS5963384A (ja) 1982-10-04 1982-10-04 可変容量型ポンプにおける制御装置の可変式トルクコントロ−ル弁装置

Publications (2)

Publication Number Publication Date
JPS5963384A JPS5963384A (ja) 1984-04-11
JPH0452393B2 true JPH0452393B2 (enEXAMPLES) 1992-08-21

Family

ID=15955099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57173154A Granted JPS5963384A (ja) 1982-10-04 1982-10-04 可変容量型ポンプにおける制御装置の可変式トルクコントロ−ル弁装置

Country Status (1)

Country Link
JP (1) JPS5963384A (enEXAMPLES)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4613286A (en) * 1984-12-31 1986-09-23 Kabushiki Kaisha Komatsu Seisakusho Constant torque control system for a variable displacement pump or pumps

Also Published As

Publication number Publication date
JPS5963384A (ja) 1984-04-11

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