IT1022946B - Pompa idraulica controllata elettricamente con limitazione del flusso e della pressione - Google Patents
Pompa idraulica controllata elettricamente con limitazione del flusso e della pressioneInfo
- Publication number
- IT1022946B IT1022946B IT2851574A IT2851574A IT1022946B IT 1022946 B IT1022946 B IT 1022946B IT 2851574 A IT2851574 A IT 2851574A IT 2851574 A IT2851574 A IT 2851574A IT 1022946 B IT1022946 B IT 1022946B
- Authority
- IT
- Italy
- Prior art keywords
- limitation
- flow
- pressure
- hydraulic pump
- electrically controlled
- Prior art date
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
- F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
- F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
- F15B9/04—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by varying the output of a pump with 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
- F15B2211/20546—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
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6336—Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40794773A | 1973-10-19 | 1973-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1022946B true IT1022946B (it) | 1978-04-20 |
Family
ID=23614225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2851574A IT1022946B (it) | 1973-10-19 | 1974-10-17 | Pompa idraulica controllata elettricamente con limitazione del flusso e della pressione |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5078903A (it) |
| BE (1) | BE821254A (it) |
| CA (1) | CA1013236A (it) |
| DE (1) | DE2449412A1 (it) |
| FR (1) | FR2248429A1 (it) |
| IT (1) | IT1022946B (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3902318A (en) * | 1974-08-28 | 1975-09-02 | Sperry Rand Corp | Power transmission |
| US4494911A (en) * | 1983-04-29 | 1985-01-22 | General Signal Corporation | Piston pump servo control |
| US5062265A (en) * | 1989-08-01 | 1991-11-05 | Sundstrand Corporation | Hydromechanical control of differential pressure across a variable displacement hydraulic motor |
| WO2007097661A1 (en) * | 2006-02-21 | 2007-08-30 | Federal State Unitary Enterprise 'central Research Institute Of Automatics And Hydraulics' (Fsue 'tsniiag') | Electrohydraulic servo drive and hydraulic amplifier |
| US8435010B2 (en) | 2010-04-29 | 2013-05-07 | Eaton Corporation | Control of a fluid pump assembly |
| RU2467205C1 (ru) * | 2011-07-22 | 2012-11-20 | ОТКРЫТОЕ АКЦИОНЕРНОЕ ОБЩЕСТВО "Центральный научно-исследовательский институт автоматики и гидравлики"(ОАО "ЦНИИАГ") | Источник питания для гидравлического привода |
-
1974
- 1974-09-09 CA CA208,701A patent/CA1013236A/en not_active Expired
- 1974-10-17 DE DE19742449412 patent/DE2449412A1/de active Pending
- 1974-10-17 IT IT2851574A patent/IT1022946B/it active
- 1974-10-18 FR FR7435138A patent/FR2248429A1/fr active Granted
- 1974-10-18 BE BE149690A patent/BE821254A/xx unknown
- 1974-10-18 JP JP49119512A patent/JPS5078903A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA1013236A (en) | 1977-07-05 |
| BE821254A (fr) | 1975-02-17 |
| FR2248429B1 (it) | 1978-08-11 |
| FR2248429A1 (en) | 1975-05-16 |
| DE2449412A1 (de) | 1975-04-30 |
| JPS5078903A (it) | 1975-06-27 |
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