FR2098301B1 - - Google Patents
Info
- Publication number
- FR2098301B1 FR2098301B1 FR7124905A FR7124905A FR2098301B1 FR 2098301 B1 FR2098301 B1 FR 2098301B1 FR 7124905 A FR7124905 A FR 7124905A FR 7124905 A FR7124905 A FR 7124905A FR 2098301 B1 FR2098301 B1 FR 2098301B1
- 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
-
- 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
- F15B11/08—Servomotor systems without provision for follow-up action ; Circuits therefor with only one servomotor
-
- 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
- F15B2211/5157—Pressure control characterised by the connections of the pressure 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
- F15B2211/50—Pressure control
- F15B2211/52—Pressure control characterised by the type of actuation
- F15B2211/528—Pressure 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
- F15B2211/50—Pressure control
- F15B2211/575—Pilot pressure control
- F15B2211/5753—Pilot pressure control for closing a 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
- F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve 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
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/85—Control during special operating conditions
- F15B2211/851—Control during special operating conditions during starting
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Harvester Elements (AREA)
- Servomotors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702034214 DE2034214C3 (de) | 1970-07-10 | 1970-07-10 | Vorgesteuertes Wegeventil für einen hydraulischen Servomotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2098301A1 FR2098301A1 (enExample) | 1972-03-10 |
| FR2098301B1 true FR2098301B1 (enExample) | 1974-04-05 |
Family
ID=5776333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7124905A Expired FR2098301B1 (enExample) | 1970-07-10 | 1971-07-07 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5421516B1 (enExample) |
| AT (1) | AT311756B (enExample) |
| DE (1) | DE2034214C3 (enExample) |
| FR (1) | FR2098301B1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2232857C2 (de) * | 1972-07-05 | 1983-11-24 | Robert Bosch Gmbh, 7000 Stuttgart | Steuereinrichtung für ein hydraulisch angetriebenes Arbeitsgerät |
| DE2245419A1 (de) * | 1972-09-15 | 1974-03-21 | Bosch Gmbh Robert | Schaltventil |
| DE2359755C2 (de) * | 1973-11-30 | 1985-06-05 | Robert Bosch Gmbh, 7000 Stuttgart | Hydraulisches Schaltventil |
| DE2737653C2 (de) | 1977-08-20 | 1986-12-11 | Robert Bosch Gmbh, 7000 Stuttgart | Steuergerät für einen hydraulischen Arbeitskreis |
| DE3928272A1 (de) * | 1989-08-26 | 1991-02-28 | Kloeckner Humboldt Deutz Ag | Einrichtung fuer den regelhydraulischen arbeitskreis eines krafthebers |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1204034B (de) * | 1962-04-28 | 1965-10-28 | Bosch Gmbh Robert | Steuereinrichtung fuer einen hydraulischen Arbeitskreis |
| DE1263429B (de) * | 1965-06-12 | 1968-03-14 | Bosch Gmbh Robert | Steuergeraet fuer einen hydraulischen Arbeitskreis |
-
1970
- 1970-07-10 DE DE19702034214 patent/DE2034214C3/de not_active Expired
-
1971
- 1971-06-23 AT AT547571A patent/AT311756B/de not_active IP Right Cessation
- 1971-07-07 FR FR7124905A patent/FR2098301B1/fr not_active Expired
- 1971-07-10 JP JP5140471A patent/JPS5421516B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5421516B1 (enExample) | 1979-07-31 |
| DE2034214B2 (de) | 1981-04-02 |
| FR2098301A1 (enExample) | 1972-03-10 |
| AT311756B (de) | 1973-12-10 |
| DE2034214A1 (de) | 1972-01-20 |
| DE2034214C3 (de) | 1981-11-12 |