DE2810894C2 - - Google Patents
Info
- Publication number
- DE2810894C2 DE2810894C2 DE19782810894 DE2810894A DE2810894C2 DE 2810894 C2 DE2810894 C2 DE 2810894C2 DE 19782810894 DE19782810894 DE 19782810894 DE 2810894 A DE2810894 A DE 2810894A DE 2810894 C2 DE2810894 C2 DE 2810894C2
- Authority
- DE
- Germany
- Prior art keywords
- cylinder
- piston
- translation
- feed
- working
- Prior art date
- 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
-
- 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
- F15B11/032—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters
- F15B11/0325—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters the fluid-pressure converter increasing the working force after an approach stroke
-
- 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
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
- F15B2211/216—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being pneumatic-to-hydraulic converters
-
- 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)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH374277A CH616992A5 (en) | 1977-03-24 | 1977-03-24 | Pneumatic-hydraulic piston/cylinder unit, in particular for the actuation of tools |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2810894A1 DE2810894A1 (de) | 1978-10-05 |
DE2810894C2 true DE2810894C2 (ja) | 1987-08-13 |
Family
ID=4262518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19782810894 Granted DE2810894A1 (de) | 1977-03-24 | 1978-03-13 | Pneumatisch hydraulischer zylinder |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH616992A5 (ja) |
DE (1) | DE2810894A1 (ja) |
FR (1) | FR2384977A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1132441A (en) * | 1980-05-22 | 1982-09-28 | Gerard G.F. Smeets | Pressure intensifier systems |
EP0070145A1 (en) * | 1981-07-07 | 1983-01-19 | Onar Hydraulic Limited | Portable power source and tools |
FR2533497A1 (fr) * | 1982-09-27 | 1984-03-30 | Cariou Marie | Presse a haute pression oleopneumatique |
DE3828699A1 (de) | 1988-08-24 | 1990-03-01 | Eugen Rapp | Verfahren zur oelauffuellung eines hydro-pneumatischen druckuebersetzers und einrichtung zur durchfuehrung des verfahrens |
IT1247263B (it) * | 1991-02-28 | 1994-12-12 | Carlo Brasca | Testa di pressa pneumo-idraulica ad elevata velocita' di azionamento. |
DE4221638B4 (de) * | 1992-07-02 | 2005-11-03 | Tox Pressotechnik Gmbh & Co. Kg | Verfahren für einen hydraulischen Druckübersetzer |
DE4223411A1 (de) * | 1992-07-02 | 1994-01-05 | Pressotechnik Pressen Und Werk | Hydropneumatischer Druckübersetzer |
CA2102762A1 (en) * | 1993-11-09 | 1995-05-10 | Viljo K. Valavaara | Two-stage pressure cylinder |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB944631A (en) * | 1961-10-30 | 1963-12-18 | North Hants Engineering Co Ltd | Improvements in fluid-operated actuators |
DE2017007A1 (de) * | 1970-04-09 | 1971-10-21 | Geisel K | Pneumatisch hydraulischer Kolben trieb |
DE2258593A1 (de) * | 1972-11-30 | 1974-06-12 | Erhard Stueber | Druckgasbetaetigter zylinder mit hydraulischer kraftverstaerkung |
-
1977
- 1977-03-24 CH CH374277A patent/CH616992A5/de not_active IP Right Cessation
-
1978
- 1978-03-13 DE DE19782810894 patent/DE2810894A1/de active Granted
- 1978-03-24 FR FR7808689A patent/FR2384977A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2810894A1 (de) | 1978-10-05 |
CH616992A5 (en) | 1980-04-30 |
FR2384977B1 (ja) | 1984-05-11 |
FR2384977A1 (fr) | 1978-10-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8127 | New person/name/address of the applicant |
Owner name: ROBERT BOSCH GMBH, 7000 STUTTGART, DE |
|
8125 | Change of the main classification |
Ipc: F15B 3/00 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licenses declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |