IT996543B - Dispositivo per l alimentazione di fluidi sotto pressione mediante un gruppo di pompe - Google Patents
Dispositivo per l alimentazione di fluidi sotto pressione mediante un gruppo di pompeInfo
- Publication number
- IT996543B IT996543B IT70800/71A IT7080071A IT996543B IT 996543 B IT996543 B IT 996543B IT 70800/71 A IT70800/71 A IT 70800/71A IT 7080071 A IT7080071 A IT 7080071A IT 996543 B IT996543 B IT 996543B
- Authority
- IT
- Italy
- Prior art keywords
- pumps
- group
- under pressure
- fluids under
- feeding fluids
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title 1
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
- F15B11/16—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
- 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
- F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
-
- 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
- F15B2211/25—Pressure control functions
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/65—Methods of control of the load sensing 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
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Steering Mechanism (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7128969A FR2148331B2 (it) | 1971-08-06 | 1971-08-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT996543B true IT996543B (it) | 1975-12-10 |
Family
ID=9081593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT70800/71A IT996543B (it) | 1971-08-06 | 1971-11-19 | Dispositivo per l alimentazione di fluidi sotto pressione mediante un gruppo di pompe |
Country Status (4)
Country | Link |
---|---|
US (1) | US3796517A (it) |
FR (1) | FR2148331B2 (it) |
GB (1) | GB1347795A (it) |
IT (1) | IT996543B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2505780C2 (de) * | 1975-02-12 | 1986-03-06 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zum Regeln wenigstens einer verstellbaren Pumpe |
GB8803974D0 (en) * | 1988-02-20 | 1988-03-23 | Fletcher Sutcliffe Wild Ltd | Hydraulic pump |
DE102014218884B4 (de) * | 2014-09-19 | 2020-12-10 | Voith Patent Gmbh | Hydraulischer Antrieb mit Eilhub und Lasthub |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2098425A (en) * | 1935-03-26 | 1937-11-09 | American Eng Co Ltd | Control mechanism for pumps |
US2646755A (en) * | 1947-01-21 | 1953-07-28 | Joy Mfg Co | Hydraulic mechanism |
US2979908A (en) * | 1960-01-04 | 1961-04-18 | Warner Swasey Co | Hydraulic control systems |
US3535877A (en) * | 1969-05-09 | 1970-10-27 | Gen Signal Corp | Three-pump hydraulic system incorporating an unloader |
US3543516A (en) * | 1969-05-19 | 1970-12-01 | Deere & Co | Automatically shiftable direction control valve |
DE1952034A1 (de) * | 1969-10-15 | 1971-04-22 | Linde Ag | Steuereinrichtung fuer eine hydraulische Anlage und Ventil hierzu |
NO124443B (it) * | 1970-04-22 | 1972-04-17 | Ingebret Soeyland |
-
1971
- 1971-08-06 FR FR7128969A patent/FR2148331B2/fr not_active Expired
- 1971-11-17 GB GB5326871A patent/GB1347795A/en not_active Expired
- 1971-11-19 IT IT70800/71A patent/IT996543B/it active
-
1972
- 1972-08-03 US US00277534A patent/US3796517A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2148331A2 (it) | 1973-03-23 |
GB1347795A (en) | 1974-02-27 |
US3796517A (en) | 1974-03-12 |
FR2148331B2 (it) | 1974-03-29 |
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