JPS4830124A - - Google Patents
Info
- Publication number
- JPS4830124A JPS4830124A JP8355572A JP8355572A JPS4830124A JP S4830124 A JPS4830124 A JP S4830124A JP 8355572 A JP8355572 A JP 8355572A JP 8355572 A JP8355572 A JP 8355572A JP S4830124 A JPS4830124 A JP S4830124A
- 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.)
- Granted
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
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
- F15B11/0445—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out" with counterbalance valves, e.g. to prevent overrunning or for braking
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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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/02—Servomotor systems with programme control derived from a store or timing device; Control devices therefor
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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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
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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
- F15B2211/40—Flow control
- F15B2211/46—Control of flow in the return line, i.e. meter-out control
-
- 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
- F15B2211/75—Control of speed of the output member
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Safety Valves (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712141721 DE2141721C3 (en) | 1971-08-20 | 1971-08-20 | Flow control valve |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4830124A true JPS4830124A (en) | 1973-04-20 |
JPS5627890B2 JPS5627890B2 (en) | 1981-06-27 |
Family
ID=5817263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8355572A Expired JPS5627890B2 (en) | 1971-08-20 | 1972-08-21 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5627890B2 (en) |
DE (1) | DE2141721C3 (en) |
FR (1) | FR2151315A5 (en) |
GB (1) | GB1395222A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2807542C2 (en) * | 1978-02-22 | 1986-12-11 | Herion-Werke Kg, 7012 Fellbach | Flow control valve |
US4892028A (en) * | 1984-09-10 | 1990-01-09 | Vbm Corporation | Fluid operated circuit for controlling a dual post hydraulic lift assembly |
CN108223357B (en) * | 2017-11-24 | 2019-11-08 | 河南航天液压气动技术有限公司 | A kind of internal drainage type gear pump |
CN113202937B (en) * | 2021-04-30 | 2024-09-03 | 中国科学院合肥物质科学研究院 | Automatic starting and closing differential pressure valve for preventing reverse flow of molecular pump backing pump |
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1971
- 1971-08-20 DE DE19712141721 patent/DE2141721C3/en not_active Expired
-
1972
- 1972-08-02 GB GB3610272A patent/GB1395222A/en not_active Expired
- 1972-08-18 FR FR7229682A patent/FR2151315A5/fr not_active Expired
- 1972-08-21 JP JP8355572A patent/JPS5627890B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5627890B2 (en) | 1981-06-27 |
DE2141721B2 (en) | 1977-10-13 |
DE2141721A1 (en) | 1973-03-01 |
DE2141721C3 (en) | 1978-06-08 |
GB1395222A (en) | 1975-05-21 |
FR2151315A5 (en) | 1973-04-13 |