DK522680A - Ventilanordning for en hydraulisk servomotor - Google Patents

Ventilanordning for en hydraulisk 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
English (en)
Other versions
DK149557C (da
DK149557B (da
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/da
Publication of DK149557B publication Critical patent/DK149557B/da
Application granted granted Critical
Publication of DK149557C publication Critical patent/DK149557C/da

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 Ventilanordning for en hydraulisk servomotor DK149557C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2949657 1979-12-11
DE19792949657 DE2949657C2 (de) 1979-12-11 1979-12-11 Ventilanordnung für einen hydraulischen Servomotor

Publications (3)

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

Family

ID=6088068

Family Applications (1)

Application Number Title Priority Date Filing Date
DK522680A DK149557C (da) 1979-12-11 1980-12-08 Ventilanordning for en hydraulisk servomotor

Country Status (2)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2603868B2 (ja) * 1989-04-24 1997-04-23 株式会社小松製作所 カウンタバランス弁
KR100621983B1 (ko) * 2004-07-23 2006-09-14 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 중장비용 가변 재생밸브
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 (zh) * 2020-09-07 2022-05-03 徐州徐工液压件有限公司 一种两位五通阀油口换接结构

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2150755C3 (de) * 1971-10-12 1975-05-07 Indramat Gesellschaft Fuer Industrie- Rationalisierung Und Automatisierung Mbh, 8770 Lohr Steuerbares Druckminderventil
DE2305835A1 (de) * 1973-02-07 1974-08-15 Danfoss As Hydraulische steuereinrichtung, insbesondere lenkeinrichtung
US4046059A (en) * 1974-07-18 1977-09-06 Willie Burt Leonard Fluidic repeater

Also Published As

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

Similar Documents

Publication Publication Date Title
AR220971A1 (es) Servovalvula hidraulica
DK151122C (da) Hydraulisk styreanordning til en traktortrukket landbrugsmaskine
GB1554100A (en) Valve for hydraulic servo system
DK344780A (da) Hydraulisk styreanordning for en servomotor isaer for styring af koeretoejer
ES495726A0 (es) Servovalvula electrohidraulica
IT1134520B (it) Valvola a piattelli perfezionata
SE7905018L (sv) Reglerbar hydraulisk ventilstyranordning
BR8000422A (pt) Valvula de comando
BR8001455A (pt) Valvula hidraulica
IT1128397B (it) Struttura di valvola a saracinesca
IT7849112A0 (it) Valvola a contraccolpo
SE7805809L (sv) Hydraulisk styranordning for en servomotor, serskilt for fordonsstyranordningar
DE3063743D1 (en) A hydraulic servo valve arrangement
ES493685A0 (es) Un dispositivo de valvula interruptora
IT1130628B (it) Posizionatore per valvola idraulica proporzionale
DK518482A (da) Hydraulisk styreanordning for en servomotor
DK149557C (da) Ventilanordning for en hydraulisk servomotor
AR221785A1 (es) Valvula de control hidraulico
BE881246A (fr) Robinets a membrane
GB2040078B (en) Absolute-control numerical hydraulic actuating device
SE428236B (sv) Ventilanordning for en hydraulisk enkelverkande cylinder
BR7907811A (pt) Valvula hidraulica
IT1134526B (it) Servodispositivo idraulico
DK149989C (da) Hydraulisk forstaerker for en servomotor
ES491628A0 (es) Un dispositivo de valvula perfeccionado

Legal Events

Date Code Title Description
PBP Patent lapsed