FI101365B1 - Matningskrets för tryckmedium i en mobil maskin - Google Patents

Matningskrets för tryckmedium i en mobil maskin

Info

Publication number
FI101365B1
FI101365B1 FI963822A FI963822A FI101365B1 FI 101365 B1 FI101365 B1 FI 101365B1 FI 963822 A FI963822 A FI 963822A FI 963822 A FI963822 A FI 963822A FI 101365 B1 FI101365 B1 FI 101365B1
Authority
FI
Finland
Prior art keywords
lines
pressure medium
arms
mobile machine
operating units
Prior art date
Application number
FI963822A
Other languages
English (en)
Finnish (fi)
Other versions
FI963822A0 (fi
FI101365B (sv
Inventor
Marko Paakkunainen
Original Assignee
Plustech Oy
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 Plustech Oy filed Critical Plustech Oy
Priority to FI963822A priority Critical patent/FI101365B/sv
Publication of FI963822A0 publication Critical patent/FI963822A0/fi
Priority to PCT/FI1998/000267 priority patent/WO1999049225A1/en
Application granted granted Critical
Publication of FI101365B1 publication Critical patent/FI101365B1/sv
Publication of FI101365B publication Critical patent/FI101365B/sv

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/02—Travelling-gear, e.g. associated with slewing gears
    • E02F9/04—Walking gears moving the dredger forward step-by-step
    • 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
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20576—Systems with pumps with multiple pumps
    • F15B2211/20584—Combinations of pumps with high and low capacity
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6306—Electronic controllers using input signals representing a pressure
    • F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a load pressure
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/78—Control of multiple output members

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
FI963822A 1996-09-25 1996-09-25 Matningskrets för tryckmedium i en mobil maskin FI101365B (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI963822A FI101365B (sv) 1996-09-25 1996-09-25 Matningskrets för tryckmedium i en mobil maskin
PCT/FI1998/000267 WO1999049225A1 (en) 1996-09-25 1998-03-25 Pressurized medium supply circuit

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI963822A FI101365B (sv) 1996-09-25 1996-09-25 Matningskrets för tryckmedium i en mobil maskin
FI963822 1996-09-25
PCT/FI1998/000267 WO1999049225A1 (en) 1996-09-25 1998-03-25 Pressurized medium supply circuit
FI9800267 1998-03-25

Publications (3)

Publication Number Publication Date
FI963822A0 FI963822A0 (fi) 1996-09-25
FI101365B1 true FI101365B1 (sv) 1998-06-15
FI101365B FI101365B (sv) 1998-06-15

Family

ID=26160223

Family Applications (1)

Application Number Title Priority Date Filing Date
FI963822A FI101365B (sv) 1996-09-25 1996-09-25 Matningskrets för tryckmedium i en mobil maskin

Country Status (2)

Country Link
FI (1) FI101365B (sv)
WO (1) WO1999049225A1 (sv)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6129813Y2 (sv) * 1980-07-07 1986-09-02
KR870000506B1 (ko) * 1981-05-02 1987-03-12 니시모도 후미히라(西元文平) 토목 건설기계의 유압회로 시스템
JPS58146630A (ja) * 1982-02-25 1983-09-01 Hitachi Constr Mach Co Ltd 油圧作業機械の油圧回路
JPH0754803A (ja) * 1993-08-12 1995-02-28 Komatsu Ltd 可変容量型油圧ポンプの容量制御装置
JP3511425B2 (ja) * 1995-09-18 2004-03-29 日立建機株式会社 油圧システム

Also Published As

Publication number Publication date
FI963822A0 (fi) 1996-09-25
FI101365B (sv) 1998-06-15
WO1999049225A1 (en) 1999-09-30

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: PLUSTECH OY