JPS5421516B1 - - Google Patents
Info
- Publication number
- JPS5421516B1 JPS5421516B1 JP5140471A JP5140471A JPS5421516B1 JP S5421516 B1 JPS5421516 B1 JP S5421516B1 JP 5140471 A JP5140471 A JP 5140471A JP 5140471 A JP5140471 A JP 5140471A JP S5421516 B1 JPS5421516 B1 JP S5421516B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
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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
- 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)
- Servomotors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702034214 DE2034214C3 (en) | 1970-07-10 | 1970-07-10 | Pilot operated directional valve for a hydraulic servo motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5421516B1 true JPS5421516B1 (en) | 1979-07-31 |
Family
ID=5776333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5140471A Pending JPS5421516B1 (en) | 1970-07-10 | 1971-07-10 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5421516B1 (en) |
AT (1) | AT311756B (en) |
DE (1) | DE2034214C3 (en) |
FR (1) | FR2098301B1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2232857C2 (en) * | 1972-07-05 | 1983-11-24 | Robert Bosch Gmbh, 7000 Stuttgart | Control device for a hydraulically driven implement |
DE2245419A1 (en) * | 1972-09-15 | 1974-03-21 | Bosch Gmbh Robert | PILOT VALVE |
DE2359755C2 (en) * | 1973-11-30 | 1985-06-05 | Robert Bosch Gmbh, 7000 Stuttgart | Hydraulic switching valve |
DE3928272A1 (en) * | 1989-08-26 | 1991-02-28 | Kloeckner Humboldt Deutz Ag | Hydraulic control circuit for tractor mounted machinery - has control valve to product main equipment from peak pressures |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1204034B (en) * | 1962-04-28 | 1965-10-28 | Bosch Gmbh Robert | Control device for a hydraulic working group |
DE1263429B (en) * | 1965-06-12 | 1968-03-14 | Bosch Gmbh Robert | Control unit for a hydraulic working group |
-
1970
- 1970-07-10 DE DE19702034214 patent/DE2034214C3/en not_active Expired
-
1971
- 1971-06-23 AT AT547571A patent/AT311756B/en 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 |
---|---|
DE2034214C3 (en) | 1981-11-12 |
FR2098301B1 (en) | 1974-04-05 |
DE2034214B2 (en) | 1981-04-02 |
DE2034214A1 (en) | 1972-01-20 |
AT311756B (en) | 1973-12-10 |
FR2098301A1 (en) | 1972-03-10 |