FR2242584B3 - - Google Patents
Info
- Publication number
- FR2242584B3 FR2242584B3 FR7430012A FR7430012A FR2242584B3 FR 2242584 B3 FR2242584 B3 FR 2242584B3 FR 7430012 A FR7430012 A FR 7430012A FR 7430012 A FR7430012 A FR 7430012A FR 2242584 B3 FR2242584 B3 FR 2242584B3
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J10/00—Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
- F16J10/02—Cylinders designed to receive moving pistons or plungers
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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
- F15B11/028—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
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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
- F15B2211/30—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
- F15B2211/70—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
- F15B2211/7055—Linear output members having more than two chambers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Actuator (AREA)
- Circuit Breakers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732344657 DE2344657A1 (de) | 1973-09-05 | 1973-09-05 | Hydraulikzylinder mit einem innerhalb des zylinders bewegbaren kolben |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2242584A1 FR2242584A1 (en) | 1975-03-28 |
FR2242584B3 true FR2242584B3 (fr) | 1977-06-17 |
Family
ID=5891641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7430012A Granted FR2242584A1 (en) | 1973-09-05 | 1974-09-04 | Differential piston power cylinder - has two ends of piston with different diameters moving in stepped cylinder with shoulder between two ends |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5053776A (fr) |
CH (1) | CH569886A5 (fr) |
DE (1) | DE2344657A1 (fr) |
FR (1) | FR2242584A1 (fr) |
IT (1) | IT1020435B (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5693227A (en) * | 1979-12-27 | 1981-07-28 | Hitachi Ltd | Hydraulic driving unit |
DE3200082A1 (de) * | 1982-01-05 | 1983-07-14 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulischer steuerzylinder zur einstellung des schnitthorizontes untertaegiger gewinnungsmaschinen |
FR2563291A1 (fr) * | 1984-04-20 | 1985-10-25 | Etude Methode Applic Sarl | Verin hydraulique a commande manuelle |
AT391922B (de) * | 1988-02-26 | 1990-12-27 | Kuebel Johann | Druckmittelbetaetigte kolben-zylinderanordnung |
JP2598210B2 (ja) * | 1992-12-01 | 1997-04-09 | エスエムシー株式会社 | シリンダ装置 |
EP3169905A4 (fr) * | 2014-07-14 | 2018-03-14 | Ridge Tool Company | Outils hydrauliques à avance rapide |
-
1973
- 1973-09-05 DE DE19732344657 patent/DE2344657A1/de active Pending
-
1974
- 1974-08-19 JP JP9433374A patent/JPS5053776A/ja active Pending
- 1974-09-03 CH CH1193274A patent/CH569886A5/xx not_active IP Right Cessation
- 1974-09-04 FR FR7430012A patent/FR2242584A1/fr active Granted
- 1974-09-04 IT IT2691174A patent/IT1020435B/it active
Also Published As
Publication number | Publication date |
---|---|
FR2242584A1 (en) | 1975-03-28 |
JPS5053776A (fr) | 1975-05-13 |
IT1020435B (it) | 1977-12-20 |
DE2344657A1 (de) | 1975-03-13 |
CH569886A5 (fr) | 1975-11-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |