SE373914B - - Google Patents
Info
- Publication number
- SE373914B SE373914B SE1591071A SE1591071A SE373914B SE 373914 B SE373914 B SE 373914B SE 1591071 A SE1591071 A SE 1591071A SE 1591071 A SE1591071 A SE 1591071A SE 373914 B SE373914 B SE 373914B
- Authority
- SE
- Sweden
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
- F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
- F15B11/036—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of servomotors having a plurality of working chambers
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/17—Characterised by the construction of the motor unit of the straight-cylinder type of differential-piston type
-
- 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
- F15B2211/30505—Non-return valves, i.e. check valves
-
- 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
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
-
- 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
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
-
- 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
- F15B2211/775—Combined control, e.g. control of speed and force for providing a high speed approach stroke with low force followed by a low speed working stroke with high force, e.g. for a hydraulic press
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702061883 DE2061883C3 (de) | 1970-12-16 | 1970-12-16 | Hydraulik- oder Pneumatikarbeitszylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE373914B true SE373914B (xx) | 1975-02-17 |
Family
ID=5791134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1591071A SE373914B (xx) | 1970-12-16 | 1971-12-13 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2061883C3 (xx) |
| FR (1) | FR2118094B1 (xx) |
| IT (1) | IT940938B (xx) |
| SE (1) | SE373914B (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2538223C2 (de) * | 1975-08-28 | 1984-12-20 | Aviatest GmbH, 4000 Düsseldorf | Hydraulik- oder Pneumatik-Arbeitszylinder hoher Arbeitsfrequenz |
| DE3130931C2 (de) * | 1981-08-05 | 1986-06-19 | Aviatest GmbH, 4000 Düsseldorf | Hydraulikantrieb für Beschichtungspressen mit wenigstens einem oder mehreren Leerhub-Krafthub-Zylindern |
| US5197371A (en) * | 1988-03-28 | 1993-03-30 | U.S. Philips Corporation | Force limiter and ultrasonic device provided with a force limiter |
| US5293809A (en) * | 1988-03-28 | 1994-03-15 | U.S. Philips Corporation | Method of limiting a contact force |
| DE4104856A1 (de) * | 1991-02-16 | 1991-10-31 | Krupp Maschinentechnik | Antriebseinrichtung fuer ein abbruchwerkzeug |
| EP3770444B1 (de) | 2019-07-23 | 2022-08-31 | BEUMER Group GmbH & Co. KG | Anordnung mit einem pneumatischen oder hydraulischen kolbenstangenzylinder |
| EP3770445B1 (de) | 2019-07-23 | 2022-05-25 | BEUMER Group GmbH & Co. KG | Anordnung mit einem pneumatischen oder hydraulischen kolbenstangenzylinder |
| US11242870B2 (en) * | 2020-05-27 | 2022-02-08 | NORWOOD SALES, Inc. | Cylinder bypass |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE802606C (de) * | 1949-10-15 | 1951-02-15 | Karl Geisel | Kolbengetriebe mit Eilhub und hoher Druckkraft am Hubende |
-
1970
- 1970-12-16 DE DE19702061883 patent/DE2061883C3/de not_active Expired
-
1971
- 1971-09-24 IT IT5306471A patent/IT940938B/it active
- 1971-12-13 SE SE1591071A patent/SE373914B/xx unknown
- 1971-12-15 FR FR7145035A patent/FR2118094B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2061883A1 (de) | 1972-06-22 |
| FR2118094A1 (xx) | 1972-07-28 |
| DE2061883C3 (de) | 1974-03-14 |
| FR2118094B1 (xx) | 1976-06-04 |
| DE2061883B2 (de) | 1973-08-23 |
| IT940938B (it) | 1973-02-20 |