SE7900014L - Anordning for att begrensa en hydraulkolvs hastighet i endlegena - Google Patents
Anordning for att begrensa en hydraulkolvs hastighet i endlegenaInfo
- Publication number
- SE7900014L SE7900014L SE7900014A SE7900014A SE7900014L SE 7900014 L SE7900014 L SE 7900014L SE 7900014 A SE7900014 A SE 7900014A SE 7900014 A SE7900014 A SE 7900014A SE 7900014 L SE7900014 L SE 7900014L
- Authority
- SE
- Sweden
- Prior art keywords
- pressure
- servo
- hydraulic unit
- piston
- cylinder
- 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
- 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
- F15B11/046—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed depending on the position of the working member
- F15B11/048—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed depending on the position of the working member with deceleration 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
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control 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
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/321—Directional control characterised by the type of actuation mechanically
- F15B2211/325—Directional control characterised by the type of actuation mechanically actuated by an output member of the circuit
-
- 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
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/329—Directional 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
- F15B2211/30—Directional control
- F15B2211/35—Directional control combined with flow 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
- F15B2211/60—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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/755—Control of acceleration or deceleration of the output member
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
- Soil Working Implements (AREA)
- Drilling Tools (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7900014A SE424664B (sv) | 1979-01-02 | 1979-01-02 | Anordning vid grevmaskin for att begrensa rorelsehastigheten hos arbetshydraulens kolv vid endlege |
EP79850113A EP0016896A3 (en) | 1979-01-02 | 1979-12-20 | An apparatus for restricting the velocity of a hydraulic piston at its end positions |
NO794278A NO151017C (no) | 1979-01-02 | 1979-12-27 | Innretning til aa begrense hastigheten av et hydraulisk stempel i endestillingene |
US06/108,084 US4350078A (en) | 1979-01-02 | 1979-12-28 | Apparatus for restricting the velocity of a hydraulic piston in its end positions |
FI800009A FI66466C (sv) | 1979-01-02 | 1980-01-02 | Anordning för att begränsa en hydraulkolvs hastighet i ändlägena. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7900014A SE424664B (sv) | 1979-01-02 | 1979-01-02 | Anordning vid grevmaskin for att begrensa rorelsehastigheten hos arbetshydraulens kolv vid endlege |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7900014L true SE7900014L (sv) | 1980-07-03 |
SE424664B SE424664B (sv) | 1982-08-02 |
Family
ID=20336904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7900014A SE424664B (sv) | 1979-01-02 | 1979-01-02 | Anordning vid grevmaskin for att begrensa rorelsehastigheten hos arbetshydraulens kolv vid endlege |
Country Status (5)
Country | Link |
---|---|
US (1) | US4350078A (sv) |
EP (1) | EP0016896A3 (sv) |
FI (1) | FI66466C (sv) |
NO (1) | NO151017C (sv) |
SE (1) | SE424664B (sv) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4571941A (en) * | 1980-12-27 | 1986-02-25 | Hitachi Construction Machinery Co, Ltd. | Hydraulic power system |
JPS57110855A (en) * | 1980-12-27 | 1982-07-09 | Hitachi Constr Mach Co Ltd | Controller of oil hydraulic device |
US4610193A (en) * | 1983-10-26 | 1986-09-09 | Deere & Company | Load control system |
US4596517A (en) * | 1985-01-29 | 1986-06-24 | Poclain | Pressurized fluid supply circuit comprising a variable displacement pump |
US4730543A (en) * | 1985-06-17 | 1988-03-15 | Hi-Ranger, Inc. | Closed center hydraulic valve control system for aerial lift |
US4884942A (en) * | 1986-06-30 | 1989-12-05 | Atlas Copco Aktiebolag | Thrust monitoring and balancing apparatus |
JPH05196004A (ja) * | 1992-01-20 | 1993-08-06 | Komatsu Ltd | 作業機シリンダの自動クッション制御装置 |
CN103470553B (zh) * | 2013-09-10 | 2015-10-14 | 上海羽翼船舶设备有限公司 | 一种减摇陀螺的进动限速装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2974639A (en) * | 1956-10-03 | 1961-03-14 | Houdaille Industries Inc | Hydraulic bridge servo control system |
GB891726A (en) * | 1958-01-22 | 1962-03-21 | William Hector Mitchell | Fluid pressure feed mechanism |
FR1336455A (fr) * | 1962-08-24 | 1963-08-30 | Hydrel Ag | Dispositif permettant de ralentir et d'accélérer à nouveau, sans à-coups, des transmissions hydrauliques |
FR1492878A (fr) * | 1966-04-14 | 1967-08-25 | Auxitra Soc | Perfectionnements aux dispositifs de commande hydraulique |
DE1550731A1 (de) * | 1966-12-23 | 1969-07-31 | Diosgyoeri Gepgyar | Hydraulische Fernsteuereinrichtung mit geschlossenem System |
US3530766A (en) * | 1969-01-09 | 1970-09-29 | Ware Machine Works Inc | Control mechanism for automatically restricting the flow of fluid in a conduit leading to hydraulically actuated means |
US3872773A (en) * | 1972-08-09 | 1975-03-25 | Nutron Corp | Position controlling |
GB1408607A (en) * | 1972-10-06 | 1975-10-01 | Cessna Aircraft Co | Hydraulic valve means |
DE2625063A1 (de) * | 1976-06-03 | 1977-12-15 | Transform Verstaerkungsmasch | Steuervorrichtung zur geschwindigkeitsregelung von pneumatischen und/oder hydraulischen arbeitskolben |
-
1979
- 1979-01-02 SE SE7900014A patent/SE424664B/sv not_active IP Right Cessation
- 1979-12-20 EP EP79850113A patent/EP0016896A3/en not_active Withdrawn
- 1979-12-27 NO NO794278A patent/NO151017C/no unknown
- 1979-12-28 US US06/108,084 patent/US4350078A/en not_active Expired - Lifetime
-
1980
- 1980-01-02 FI FI800009A patent/FI66466C/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO151017B (no) | 1984-10-15 |
NO794278L (no) | 1980-07-03 |
SE424664B (sv) | 1982-08-02 |
NO151017C (no) | 1985-01-23 |
FI800009A (fi) | 1980-07-03 |
EP0016896A3 (en) | 1981-03-25 |
US4350078A (en) | 1982-09-21 |
EP0016896A2 (en) | 1980-10-15 |
FI66466B (fi) | 1984-06-29 |
FI66466C (sv) | 1987-08-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7900014-7 Effective date: 19901211 Format of ref document f/p: F |