BE822336A - Perfectionnement a un dispositif d'alimentation en fluide sous pression comportant au moins un circuit ferme - Google Patents

Perfectionnement a un dispositif d'alimentation en fluide sous pression comportant au moins un circuit ferme

Info

Publication number
BE822336A
BE822336A BE2053985A BE2053985A BE822336A BE 822336 A BE822336 A BE 822336A BE 2053985 A BE2053985 A BE 2053985A BE 2053985 A BE2053985 A BE 2053985A BE 822336 A BE822336 A BE 822336A
Authority
BE
Belgium
Prior art keywords
improvement
supply device
fluid supply
pressurized fluid
closed circuit
Prior art date
Application number
BE2053985A
Other languages
English (en)
French (fr)
Inventor
L E Martin
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 filed Critical
Publication of BE822336A publication Critical patent/BE822336A/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4157—Control of braking, e.g. preventing pump over-speeding when motor acts as a pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4183—Preventing or reducing vibrations or noise, e.g. avoiding cavitations
    • 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
    • F15B2211/20507—Type of prime mover
    • F15B2211/20523—Internal combustion engine
    • 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
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant 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
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable 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
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20561—Type of pump reversible
    • 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
    • F15B2211/20—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
    • F15B2211/214—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being hydrotransformers
    • 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
    • F15B2211/27—Directional control by means of the pressure source
    • 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
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41563—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and a 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
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/426—Flow control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/46—Control of flow in the return line, i.e. meter-out 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/62—Cooling or heating means
    • 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
    • F15B2211/67—Methods for controlling pilot pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/36—Inputs being a function of speed
    • F16H2059/366—Engine or motor speed

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Fluid Gearings (AREA)
  • Details Of Reciprocating Pumps (AREA)
BE2053985A 1973-11-21 1974-11-19 Perfectionnement a un dispositif d'alimentation en fluide sous pression comportant au moins un circuit ferme BE822336A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7341493A FR2251736B1 (xx) 1973-11-21 1973-11-21

Publications (1)

Publication Number Publication Date
BE822336A true BE822336A (fr) 1975-03-14

Family

ID=9128064

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2053985A BE822336A (fr) 1973-11-21 1974-11-19 Perfectionnement a un dispositif d'alimentation en fluide sous pression comportant au moins un circuit ferme

Country Status (12)

Country Link
US (1) US3932992A (xx)
JP (1) JPS5094377A (xx)
AR (1) AR203771A1 (xx)
BE (1) BE822336A (xx)
BR (1) BR7409747A (xx)
DE (1) DE2455175A1 (xx)
ES (1) ES432151A1 (xx)
FR (1) FR2251736B1 (xx)
GB (1) GB1459533A (xx)
IN (1) IN144708B (xx)
IT (1) IT1025807B (xx)
SE (1) SE7414561L (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4089142A (en) * 1977-03-30 1978-05-16 James Kachadorian Solar-heated concrete slab building structure
US4796428A (en) * 1983-01-17 1989-01-10 Oilgear Towler, Inc. Double-acting forging hammer and method
DE3436960A1 (de) * 1984-10-09 1986-04-17 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Betriebsbremse fuer einen lkw oder omnibus
DE3736280A1 (de) * 1987-10-27 1989-05-11 Roehm Gmbh Verfahren zur herstellung kratzfest beschichteter extrudierter kunststoffbahnen
DE19652922C2 (de) * 1996-12-19 1999-07-29 O & K Mining Gmbh Hydraulikschaltung für einen Hydraulikbagger
DE19941841A1 (de) * 1999-09-02 2001-03-08 Claas Selbstfahr Erntemasch Selbstfahrende landwirtschaftliche Arbeitsmaschine
DE10305134B4 (de) * 2003-02-07 2006-10-26 Brueninghaus Hydromatik Gmbh Hydrostatischer Antrieb
JP2007045178A (ja) * 2005-08-05 2007-02-22 Kanzaki Kokyukoki Mfg Co Ltd 作業車輌
FR2891593B1 (fr) 2005-10-03 2007-12-21 Poclain Hydraulics Ind Soc Par Dispositif de gestion de la cylindree d'un moteur hydraulique
FR2904338B1 (fr) * 2006-07-28 2011-03-04 Cie Du Sol Tete de coupe pour machine d'excavation
DE102012218546A1 (de) * 2012-10-11 2014-04-17 Putzmeister Engineering Gmbh Hydraulisches Antriebssystem und Verfahren zum Antrieb eines Bandförderers
EP3280913A4 (en) * 2015-04-10 2018-06-06 Abbasszadeh, Mohammad Taghi Hydro-motors system with variable combination units
CN107313999B (zh) * 2016-09-27 2023-05-05 湖南汽车工程职业学院 自动竹席编织机进篾、顶压篾液压驱动系统及其驱动方法
CN108799222B (zh) * 2018-07-27 2024-04-19 佛山市恒力泰机械有限公司 一种液压无级变压系统
CN111577684B (zh) * 2020-04-15 2022-01-07 哈尔滨工业大学 一种液压阀性能测试实验系统
CN113606206B (zh) * 2021-05-26 2022-04-29 广州嘉泰液压机电有限公司 一种液压测试油源系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1698189A (en) * 1925-04-13 1929-01-08 Harold F Dunbar Variable-speed paper-machine drive train
US3224196A (en) * 1964-07-27 1965-12-21 Case Co J I Regulator
DE2110736B1 (de) * 1971-03-06 1972-05-25 Buckau Wolf Maschf R Vorrichtung zum gemeinsamen antreiben mehrerer zentrifugen

Also Published As

Publication number Publication date
SE7414561L (xx) 1975-05-22
FR2251736B1 (xx) 1977-06-10
DE2455175A1 (de) 1975-05-22
ES432151A1 (es) 1976-09-16
US3932992A (en) 1976-01-20
FR2251736A1 (xx) 1975-06-13
BR7409747A (pt) 1976-05-25
GB1459533A (en) 1976-12-22
IT1025807B (it) 1978-08-30
IN144708B (xx) 1978-06-24
AR203771A1 (es) 1975-10-15
JPS5094377A (xx) 1975-07-28

Similar Documents

Publication Publication Date Title
BE822336A (fr) Perfectionnement a un dispositif d'alimentation en fluide sous pression comportant au moins un circuit ferme
IL43620A0 (en) A fluid transfer device
FR2294850A1 (fr) Dispositif pour installations d'ecriture a jet d'encre, pour l'alimentation de buses d'ecriture piezoelectriques en liquide d'ecriture
BE781781A (fr) Dispositif d'alimentation a tension regulee par court-circuit
BE792883A (fr) Dispositif d'alimentation de courant pour systemes de communication
FR2341802A1 (fr) Distributeur de commande d'alimentation en fluide sous pression
CH541110A (fr) Dispositif pour l'alimentation en gaz de brûleurs
BE824965A (fr) Dispositif d'alimentation en fluide sous pression de deux recepteurs avec report de pression a clapet a double pilotage
IT1202394B (it) Valvola in particolare valvola a portata indipendente dalla pressione d'alimentazione
BE815563A (fr) Dispositif d'alimentation en fluide sous pression d'au moins deux circuits d'utilisation
BE870735Q (fr) Dispositif de retenue pour tuyau vehiculant un fluide sous pression elevee
BE799480A (fr) Dispositif pour regler l'arrivee d'eau d'alimentation d'un generateur de vapeur a circulation forcee a parcours unique,
BE807950A (fr) Mecanisme destine a diriger un deplacement et a en inverser le sens par ejection d'eau
BE803161A (fr) Dispositif d'alimentation en liquide cryogenique
BE762685A (fr) Soupape de regulation de l'ecoulement d'un fluide
BE783306A (fr) Dispositif d'alimentation en fluide sous pression de deux recepteurs reversibles
BE840516Q (fr) Dispositif de commande equipe d'un piston d'entrainement alimente par un fluide sous pression
OA03198A (fr) Dispositif régulateur agisant par régulation de la pression d'un fluide.
BE816749A (fr) Verin actionne par un fluide sous pression
BE768045A (fr) Grue a tour avec conduit pour l'alimentation en
BE779563A (fr) Un support de diagramme pour l'exploitation automatique par rapport a l'heure exacte
FR2328145A1 (fr) Dispositif d'etancheite pour robinet a boisseau spherique
CH534307A (fr) Dispositif pour l'alimentation en fluide sous pression d'un moteur hydraulique à charges variables
CH529044A (fr) Dispositif pour l'alimentation continue en matière solide divisée d'une enceinte sous pression
FR2292867A1 (fr) Systeme d'alimentation en fluide