JPS5428979A - Control circuit of variable capacity pump - Google Patents

Control circuit of variable capacity pump

Info

Publication number
JPS5428979A
JPS5428979A JP9460277A JP9460277A JPS5428979A JP S5428979 A JPS5428979 A JP S5428979A JP 9460277 A JP9460277 A JP 9460277A JP 9460277 A JP9460277 A JP 9460277A JP S5428979 A JPS5428979 A JP S5428979A
Authority
JP
Japan
Prior art keywords
variable capacity
control circuit
capacity pump
pump
during operation
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
JP9460277A
Other languages
Japanese (ja)
Inventor
Kokichi Tominaga
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 JP9460277A priority Critical patent/JPS5428979A/en
Publication of JPS5428979A publication Critical patent/JPS5428979A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

PURPOSE: To provide a control circuit of variable capacity pump enabling the discharge rate of variable capacity pump to reduce during operation of relief valve.
COPYRIGHT: (C)1979,JPO&Japio
JP9460277A 1977-08-09 1977-08-09 Control circuit of variable capacity pump Pending JPS5428979A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9460277A JPS5428979A (en) 1977-08-09 1977-08-09 Control circuit of variable capacity pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9460277A JPS5428979A (en) 1977-08-09 1977-08-09 Control circuit of variable capacity pump

Publications (1)

Publication Number Publication Date
JPS5428979A true JPS5428979A (en) 1979-03-03

Family

ID=14114794

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9460277A Pending JPS5428979A (en) 1977-08-09 1977-08-09 Control circuit of variable capacity pump

Country Status (1)

Country Link
JP (1) JPS5428979A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60256609A (en) * 1984-06-01 1985-12-18 Hitachi Constr Mach Co Ltd Control valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60256609A (en) * 1984-06-01 1985-12-18 Hitachi Constr Mach Co Ltd Control valve

Similar Documents

Publication Publication Date Title
JPS5340167A (en) Hydraulic circuit
JPS53115902A (en) Verylow temperature fluid pump
JPS5422068A (en) Control valve for machine
JPS5428979A (en) Control circuit of variable capacity pump
JPS5380916A (en) Terminal unit
JPS53140604A (en) Variable capacity pump
JPS53139201A (en) Water distributing pump device
JPS5364802A (en) Input torque control equipment in hydraulic pump
JPS5276701A (en) Energy-saving hydraulic pump and hydraulic circuit with this hydraulic pump
JPS53125563A (en) Compound valve
JPS5293879A (en) Liquid pressure circuit
JPS5322603A (en) Piston pump
JPS53143841A (en) Control of pump water wheel
JPS53145104A (en) Variable capacity type hydraulic device
JPS53137403A (en) Controller for variable-discharge hydraulic pump
JPS52144801A (en) Auto-running device for pump
JPS52118193A (en) Pressure controller for fluid
JPS52142169A (en) Liquid pressure circuit pressure circuit
JPS5324107A (en) Variable capacity hydraulic pressure pump
JPS5424301A (en) Hydraulic pump or motor of variable capacity
JPS5220403A (en) Capacity variable hydraulic pump
JPS5434112A (en) Screw compressor
JPS5376404A (en) Pumping oreration controller
JPS5270430A (en) Flow control valve
JPS52105312A (en) Compressor