FR2259255B1 - - Google Patents
Info
- Publication number
- FR2259255B1 FR2259255B1 FR7403096A FR7403096A FR2259255B1 FR 2259255 B1 FR2259255 B1 FR 2259255B1 FR 7403096 A FR7403096 A FR 7403096A FR 7403096 A FR7403096 A FR 7403096A FR 2259255 B1 FR2259255 B1 FR 2259255B1
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
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- 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
- 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
- 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
- F04B49/10—Other safety measures
-
- 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
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
- F15B2211/30595—Assemblies of multiple valves having multiple valves for multiple output members with additional valves between the groups of valves for multiple 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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40523—Flow control characterised by the type of flow control means or valve with flow dividers
- F15B2211/4053—Flow control characterised by the type of flow control means or valve with flow dividers using 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
- F15B2211/42—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
- F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/605—Load sensing circuits
- F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
- F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using shuttle 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Details Of Reciprocating Pumps (AREA)
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7403096A FR2259255B1 (de) | 1974-01-30 | 1974-01-30 | |
AR257444A AR204734A1 (es) | 1974-01-30 | 1975-01-01 | Dispositivo de alimentacion de dos circuitos de utilizacion con fluido bajo presion |
US544200*A US3924971A (en) | 1974-01-30 | 1975-01-23 | Device for regulating the supply of pressurized fluid of two circuit systems having at least two pumps of constant cubic capacity |
BE2054110A BE824844A (fr) | 1974-01-30 | 1975-01-28 | Dispositif de regulation de l'alimentation en fluide sous pression de deux circuits d'utilisation avec pompes cylindree constante |
CA218,820A CA1009538A (en) | 1974-01-30 | 1975-01-28 | Device for regulating the supply of pressurised fluid of two circuit systems having at least two pumps of constant cubic capacity |
BR555/75A BR7500555A (pt) | 1974-01-30 | 1975-01-29 | Dispositivo de alimentacao de dois circuitos de utilizacao em fluido sob pressao |
IT67223/75A IT1027415B (it) | 1974-01-30 | 1975-01-29 | Dispositivo regolatore dell alimentazione di un fluido sotto pressione a due circuiti di utilizzazione a partire da piu pompe a cilindrata costante |
GB3951/75A GB1489438A (en) | 1974-01-30 | 1975-01-29 | Device for feeding two circuit systems with pressurised fluid |
ES434262A ES434262A1 (es) | 1974-01-30 | 1975-01-29 | Dispositivo de alimentacion de dos circuitos de utilizacioncon fluido bajo presion. |
DE19752503801 DE2503801A1 (de) | 1974-01-30 | 1975-01-30 | Einrichtung zur speisung zweier verbrauchskreise mit unter druck stehendem stroemungsmittel |
JP50011987A JPS598683B2 (ja) | 1974-01-30 | 1975-01-30 | 加圧流体供給装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7403096A FR2259255B1 (de) | 1974-01-30 | 1974-01-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2259255A1 FR2259255A1 (de) | 1975-08-22 |
FR2259255B1 true FR2259255B1 (de) | 1976-11-26 |
Family
ID=9134225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7403096A Expired FR2259255B1 (de) | 1974-01-30 | 1974-01-30 |
Country Status (11)
Country | Link |
---|---|
US (1) | US3924971A (de) |
JP (1) | JPS598683B2 (de) |
AR (1) | AR204734A1 (de) |
BE (1) | BE824844A (de) |
BR (1) | BR7500555A (de) |
CA (1) | CA1009538A (de) |
DE (1) | DE2503801A1 (de) |
ES (1) | ES434262A1 (de) |
FR (1) | FR2259255B1 (de) |
GB (1) | GB1489438A (de) |
IT (1) | IT1027415B (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3868821A (en) * | 1974-03-20 | 1975-03-04 | Tyrone Hydraulics | Automatic pump control system |
LU76197A1 (de) | 1976-11-12 | 1978-07-10 | ||
JPS5569782A (en) * | 1978-11-20 | 1980-05-26 | Japan Steel Works Ltd:The | Output-power controller for pumps |
US5228289A (en) * | 1983-06-29 | 1993-07-20 | Peter Norton | Plural hydraulic pump system with unloading valve |
US4787204A (en) * | 1987-09-28 | 1988-11-29 | J. I. Case Company | Common relief valve |
DE4317397A1 (de) * | 1993-05-25 | 1994-12-01 | Linde Ag | Flurförderzeug mit einem Lastaufnahmemittel und zwei parallel geschalteten Hubzylindern |
JPH09126157A (ja) * | 1995-08-29 | 1997-05-13 | Aisin Seiki Co Ltd | タンデムポンプ装置 |
AT516181B1 (de) * | 2014-10-08 | 2016-03-15 | Weber Hydraulik Gmbh | Hydraulikaggregat |
JP6434462B2 (ja) | 2016-08-30 | 2018-12-05 | ファナック株式会社 | 溶接の状態を判定するスポット溶接装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE369948B (de) * | 1969-12-03 | 1974-09-23 | I Soeyland | |
DE2003740C3 (de) * | 1970-01-28 | 1981-05-07 | Robert Bosch Gmbh, 7000 Stuttgart | Hydraulikanlage mit wenigstens zwei Pumpen |
NO124443B (de) * | 1970-04-22 | 1972-04-17 | Ingebret Soeyland |
-
1974
- 1974-01-30 FR FR7403096A patent/FR2259255B1/fr not_active Expired
-
1975
- 1975-01-01 AR AR257444A patent/AR204734A1/es active
- 1975-01-23 US US544200*A patent/US3924971A/en not_active Expired - Lifetime
- 1975-01-28 CA CA218,820A patent/CA1009538A/en not_active Expired
- 1975-01-28 BE BE2054110A patent/BE824844A/xx not_active IP Right Cessation
- 1975-01-29 GB GB3951/75A patent/GB1489438A/en not_active Expired
- 1975-01-29 BR BR555/75A patent/BR7500555A/pt unknown
- 1975-01-29 ES ES434262A patent/ES434262A1/es not_active Expired
- 1975-01-29 IT IT67223/75A patent/IT1027415B/it active
- 1975-01-30 JP JP50011987A patent/JPS598683B2/ja not_active Expired
- 1975-01-30 DE DE19752503801 patent/DE2503801A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
GB1489438A (en) | 1977-10-19 |
BE824844A (fr) | 1975-05-15 |
US3924971A (en) | 1975-12-09 |
FR2259255A1 (de) | 1975-08-22 |
CA1009538A (en) | 1977-05-03 |
IT1027415B (it) | 1978-11-20 |
JPS598683B2 (ja) | 1984-02-27 |
JPS50107386A (de) | 1975-08-23 |
ES434262A1 (es) | 1976-12-16 |
DE2503801A1 (de) | 1975-07-31 |
AR204734A1 (es) | 1976-02-27 |
BR7500555A (pt) | 1975-11-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |