DK522680A - VALVE DEVICE FOR A HYDRAULIC SERVOMOTOR - Google Patents

VALVE DEVICE FOR A HYDRAULIC SERVOMOTOR

Info

Publication number
DK522680A
DK522680A DK522680A DK522680A DK522680A DK 522680 A DK522680 A DK 522680A DK 522680 A DK522680 A DK 522680A DK 522680 A DK522680 A DK 522680A DK 522680 A DK522680 A DK 522680A
Authority
DK
Denmark
Prior art keywords
valve device
hydraulic servomotor
servomotor
hydraulic
valve
Prior art date
Application number
DK522680A
Other languages
Danish (da)
Other versions
DK149557C (en
DK149557B (en
Inventor
E Kyster
S N Soerensen
S E Thomsen
Original Assignee
Danfoss As
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 Danfoss As filed Critical Danfoss As
Publication of DK522680A publication Critical patent/DK522680A/en
Publication of DK149557B publication Critical patent/DK149557B/en
Application granted granted Critical
Publication of DK149557C publication Critical patent/DK149557C/en

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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
    • F15B11/0445—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out" with counterbalance valves, e.g. to prevent overrunning or for braking
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50545—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using braking valves to maintain a back 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
    • F15B2211/50—Pressure control
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/528—Pressure control characterised by the type of actuation actuated by fluid 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
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
DK522680A 1979-12-11 1980-12-08 VALVE DEVICE FOR A HYDRAULIC SERVOMOTOR DK149557C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2949657 1979-12-11
DE19792949657 DE2949657C2 (en) 1979-12-11 1979-12-11 Valve arrangement for a hydraulic servo motor

Publications (3)

Publication Number Publication Date
DK522680A true DK522680A (en) 1981-06-12
DK149557B DK149557B (en) 1986-07-21
DK149557C DK149557C (en) 1987-01-26

Family

ID=6088068

Family Applications (1)

Application Number Title Priority Date Filing Date
DK522680A DK149557C (en) 1979-12-11 1980-12-08 VALVE DEVICE FOR A HYDRAULIC SERVOMOTOR

Country Status (2)

Country Link
DE (1) DE2949657C2 (en)
DK (1) DK149557C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2603868B2 (en) * 1989-04-24 1997-04-23 株式会社小松製作所 Counter balance valve
KR100621983B1 (en) * 2004-07-23 2006-09-14 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 variable regeneration valve of heavy equipment
EP2494215B1 (en) 2009-10-26 2016-05-11 Volvo Compact Equipment Sas Dampened hydraulic pilot control arrangement for a spool valve
WO2012089246A1 (en) * 2010-12-28 2012-07-05 Dresser Wayne Ab Vapour recovery pump
CN111895135B (en) * 2020-09-07 2022-05-03 徐州徐工液压件有限公司 Oil port switching structure of two-position five-way valve

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2150755C3 (en) * 1971-10-12 1975-05-07 Indramat Gesellschaft Fuer Industrie- Rationalisierung Und Automatisierung Mbh, 8770 Lohr Controllable pressure reducing valve
DE2305835A1 (en) * 1973-02-07 1974-08-15 Danfoss As HYDRAULIC CONTROL DEVICE, IN PARTICULAR STEERING DEVICE
US4046059A (en) * 1974-07-18 1977-09-06 Willie Burt Leonard Fluidic repeater

Also Published As

Publication number Publication date
DE2949657C2 (en) 1982-09-09
DK149557C (en) 1987-01-26
DE2949657A1 (en) 1981-06-19
DK149557B (en) 1986-07-21

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Legal Events

Date Code Title Description
PBP Patent lapsed