NO131097B - - Google Patents

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Publication number
NO131097B
NO131097B NO00845/71A NO84571A NO131097B NO 131097 B NO131097 B NO 131097B NO 00845/71 A NO00845/71 A NO 00845/71A NO 84571 A NO84571 A NO 84571A NO 131097 B NO131097 B NO 131097B
Authority
NO
Norway
Prior art keywords
pressure
valve
control valve
slide
maximum
Prior art date
Application number
NO00845/71A
Other languages
English (en)
Norwegian (no)
Inventor
O Tveit
Original Assignee
Patents & Dev 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 Patents & Dev As filed Critical Patents & Dev As
Priority to NO00845/71A priority Critical patent/NO131097B/no
Priority to GB737572A priority patent/GB1386006A/en
Priority to US3800831D priority patent/US3800831A/en
Priority to DE19722208982 priority patent/DE2208982A1/de
Priority to SE271772A priority patent/SE381920B/xx
Priority to JP2267372A priority patent/JPS5428906B1/ja
Publication of NO131097B publication Critical patent/NO131097B/no

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
    • 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
    • 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
    • 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
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • 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
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/428—Flow 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
    • F15B2211/40—Flow control
    • F15B2211/455—Control of flow in the feed line, i.e. meter-in control
    • 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
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5151—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a directional control valve
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86879—Reciprocating valve unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Feedback Control In General (AREA)
NO00845/71A 1971-03-05 1971-03-05 NO131097B (enrdf_load_stackoverflow)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NO00845/71A NO131097B (enrdf_load_stackoverflow) 1971-03-05 1971-03-05
GB737572A GB1386006A (en) 1971-03-05 1972-02-17 Hydraulic systems
US3800831D US3800831A (en) 1971-03-05 1972-02-22 Hydraulic systems
DE19722208982 DE2208982A1 (de) 1971-03-05 1972-02-25 Hydraulisches System, das zwei oder mehrere hydraulische Aggregate enthält
SE271772A SE381920B (sv) 1971-03-05 1972-03-03 Flodesregleringsventil
JP2267372A JPS5428906B1 (enrdf_load_stackoverflow) 1971-03-05 1972-03-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO00845/71A NO131097B (enrdf_load_stackoverflow) 1971-03-05 1971-03-05

Publications (1)

Publication Number Publication Date
NO131097B true NO131097B (enrdf_load_stackoverflow) 1974-12-23

Family

ID=19877848

Family Applications (1)

Application Number Title Priority Date Filing Date
NO00845/71A NO131097B (enrdf_load_stackoverflow) 1971-03-05 1971-03-05

Country Status (6)

Country Link
US (1) US3800831A (enrdf_load_stackoverflow)
JP (1) JPS5428906B1 (enrdf_load_stackoverflow)
DE (1) DE2208982A1 (enrdf_load_stackoverflow)
GB (1) GB1386006A (enrdf_load_stackoverflow)
NO (1) NO131097B (enrdf_load_stackoverflow)
SE (1) SE381920B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0149375B1 (fr) * 1983-11-25 1988-10-12 Mors Dispositif porte-pièce à usiner autonome, équipé d'un système de commande, et avantageusement pourvu d'une commande de vérin individualisée pour fonctionner à une pression indépendante
DE3538979C2 (de) * 1985-11-02 1996-02-22 Hella Kg Hueck & Co Verfahren und Vorrichtung zum Versorgen mehrerer pneumatisch betätigter Geräte mit Druckmittel
DE3834201A1 (de) * 1988-04-22 1989-11-02 Rexroth Mannesmann Gmbh Anordnung zum zufuehren von druckmittel zu hydraulischen verbrauchern
BRPI0501085A (pt) * 2005-02-02 2006-09-12 Savvy Offshore Engenharia & Co sistema de operação de equipamento pneumáticos e hidráulicos
US20190061918A1 (en) * 2017-08-22 2019-02-28 Hamilton Sundstrand Corporation Electric hydraulic actuation system for a safety critical application
CN111022075B (zh) * 2019-10-29 2021-02-12 中铁五局集团第一工程有限责任公司 一种隧道设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1877576A (en) * 1932-09-13 Multiple quantity regulation
US1923595A (en) * 1930-05-14 1933-08-22 Cash A W Co Control mechanism
US1934713A (en) * 1931-04-10 1933-11-14 Gen Zeolite Co Fluid flow controller
US2155421A (en) * 1937-12-09 1939-04-25 Sperry Gyroscope Co Inc Safety device for hydraulic servomotors
US2255787A (en) * 1941-03-06 1941-09-16 Manly Corp Fluid pressure device and system
US2397299A (en) * 1943-05-28 1946-03-26 Adel Prec Products Corp Emergency hand pump selector valve
US2415603A (en) * 1943-08-26 1947-02-11 Hydraulic Dev Corp Inc Hydraulic constant speed control system for parallel-connected hydraulic motors
GB875766A (en) * 1959-05-30 1961-08-23 James Clarke And Sons Stoke On Improvements in and relating to tier stands for table use
US3344805A (en) * 1965-03-24 1967-10-03 Fischer & Porter Co Automatic flow rate control system
US3420265A (en) * 1967-01-13 1969-01-07 Bell Aerospace Corp Hydraulic flow limiting device
US3524386A (en) * 1968-06-11 1970-08-18 Sylvester R Cudnohufsky Hydraulic system for machine tool control
US3547158A (en) * 1968-11-27 1970-12-15 Woodward Governor Co Valve structure with o-ring seal

Also Published As

Publication number Publication date
DE2208982A1 (de) 1972-09-14
GB1386006A (en) 1975-03-05
JPS5428906B1 (enrdf_load_stackoverflow) 1979-09-19
US3800831A (en) 1974-04-02
SE381920B (sv) 1975-12-22

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