IT8847998A0 - Dispositivo di regolazione elettroidraulico - Google Patents
Dispositivo di regolazione elettroidraulicoInfo
- Publication number
- IT8847998A0 IT8847998A0 IT8847998A IT4799888A IT8847998A0 IT 8847998 A0 IT8847998 A0 IT 8847998A0 IT 8847998 A IT8847998 A IT 8847998A IT 4799888 A IT4799888 A IT 4799888A IT 8847998 A0 IT8847998 A0 IT 8847998A0
- Authority
- IT
- Italy
- Prior art keywords
- adjustment device
- electrohydraulic adjustment
- electrohydraulic
- adjustment
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
-
- 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
- F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
- F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
- F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
- F15B9/12—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which both the controlling element and the servomotor control the same member influencing a fluid passage and are connected to that member by means of a differential gearing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Presses (AREA)
- Fluid-Pressure Circuits (AREA)
- Servomotors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873720266 DE3720266A1 (de) | 1987-06-19 | 1987-06-19 | Elektrohydraulisches regelsystem |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8847998A0 true IT8847998A0 (it) | 1988-05-23 |
IT1219605B IT1219605B (it) | 1990-05-18 |
Family
ID=6329891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT47998/88A IT1219605B (it) | 1987-06-19 | 1988-05-23 | Dispositivo di regolazione elettroidraulico |
Country Status (7)
Country | Link |
---|---|
US (1) | US4825745A (it) |
JP (1) | JPH0788841B2 (it) |
CH (1) | CH679691A5 (it) |
DE (1) | DE3720266A1 (it) |
FR (1) | FR2616854B1 (it) |
GB (1) | GB2205976B (it) |
IT (1) | IT1219605B (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4311940C2 (de) * | 1993-04-10 | 1995-12-07 | Zwick Gmbh & Co | Universalprüfmaschine |
DE4412224A1 (de) * | 1994-04-09 | 1995-10-12 | Graebener Pressensysteme Gmbh | Presse für eine Kaltverformung von Metallwerkstücken |
US5592973A (en) * | 1995-06-19 | 1997-01-14 | Pope; Kenneth E. | Pressure capture valve |
DE19938132A1 (de) * | 1999-08-16 | 2001-02-22 | Eckehart Schulze | Elektrohydraulische Überwachungseinrichtung für einen doppelt wirkenden Hydrozylinder |
DE10142484A1 (de) * | 2001-08-30 | 2003-03-20 | Bw Hydraulik Gmbh | Stanzvorrichtung |
JP2007502213A (ja) | 2003-05-16 | 2007-02-08 | ボッシュ レックスロス アーゲー | 流体圧駆動装置 |
US7305914B2 (en) * | 2004-01-28 | 2007-12-11 | The United States Of America, As Represented By The Administrator Of The Environmental Protection Agency | Hydraulic actuator control valve |
GB2447642A (en) * | 2007-03-15 | 2008-09-24 | Tradewise Engineering Ltd | Punching apparatus and method |
DE102008023975A1 (de) * | 2008-05-16 | 2009-11-19 | Hycos S.R.L. | Hydraulikventil |
DE102009005998B4 (de) * | 2009-01-23 | 2012-12-27 | Voith Patent Gmbh | Hydraulische Antriebsvorrichtung mit zwei Druckräumen und Verfahren zum Betreiben einer hydraulischen Antriebsvorrichtung mit zwei Druckräumen |
JP5422407B2 (ja) | 2010-01-18 | 2014-02-19 | 三菱重工業株式会社 | ガスタービン静翼のインサート除去装置およびガスタービン静翼のインサート除去方法 |
ITPD20120052A1 (it) * | 2012-02-28 | 2013-08-29 | Ind Pu Ma S R L | Macchina per la goffratura di una lamiera, e procedimento di goffratura di detta lamiera |
DE102013006231A1 (de) * | 2013-04-11 | 2014-10-16 | Liebherr-Components Kirchdorf GmbH | Arbeitszylinder und Baumaschine bzw. Hebezeug |
US9695846B2 (en) * | 2014-09-25 | 2017-07-04 | The Boeing Company | Micro dampers for prevention of un-commanded motion in mechanical feedback actuators |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1890341A (en) * | 1930-04-18 | 1932-12-06 | American Laundry Mach Co | Pressing machine |
US1980356A (en) * | 1931-04-18 | 1934-11-13 | Pratt & Whitney Co | Hydraulically operated machine |
US2079904A (en) * | 1932-07-11 | 1937-05-11 | Hydraulic Press Corp Inc | Automatic minimum pressure control for operating machinery |
US2157240A (en) * | 1935-02-21 | 1939-05-09 | Ex Cell O Corp | Valve structure |
US2346141A (en) * | 1941-05-02 | 1944-04-11 | Defiance Machine Works Inc | Hydraulic press control |
US2463495A (en) * | 1944-01-19 | 1949-03-01 | Massey Machine Company | Fluid pressure control system |
GB617160A (en) * | 1944-07-19 | 1949-02-02 | Denison Eng Co | Improvements in or relating to hydraulic apparatus |
US2507868A (en) * | 1947-07-08 | 1950-05-16 | Hpm Dev Corp | Variable pressure hydraulic control circuit for fluid actuated rams |
US2580062A (en) * | 1949-05-11 | 1951-12-25 | Denison Eng Co | Hydraulic press with servo control |
US2674138A (en) * | 1952-04-30 | 1954-04-06 | Paul D Mize | Drilling, boring, or other machine |
US2737928A (en) * | 1952-12-15 | 1956-03-13 | Denison Eng Co | Hydraulic press |
DE944237C (de) * | 1953-11-15 | 1956-06-07 | Krauss Maffei Ag | Hydraulische Steuerung fuer Fuellmaschinen, insbesondere zum Fuellen von Wursthuellen, Tuben od. dgl. |
US2817317A (en) * | 1954-04-29 | 1957-12-24 | Oliver Corp | Electrically controlled fluid motor |
US2891380A (en) * | 1954-09-13 | 1959-06-23 | Gen Motors Corp | Dual drive actuator and control means therefor |
US2847879A (en) * | 1955-07-14 | 1958-08-19 | Cleveland Pneumatic Ind Inc | Power operator for machine tools |
GB785397A (en) * | 1955-10-08 | 1957-10-30 | Karlstad Mekaniska Ab | Control valve for turbine governors |
US2837059A (en) * | 1956-04-19 | 1958-06-03 | American Steel Foundries | Variable stroke press |
US2910084A (en) * | 1957-12-12 | 1959-10-27 | Curtiss Wright Corp | Computer for automatic controls |
NL247510A (it) * | 1958-10-25 | |||
US2980070A (en) * | 1959-05-13 | 1961-04-18 | Hagan Chemicals & Controls Inc | High-speed pneumatic power cylinders |
GB891662A (en) * | 1959-10-16 | 1962-03-14 | Mercier Jean | Hydraulic control system for a fluid motor |
US3157070A (en) * | 1961-06-26 | 1964-11-17 | Norman C Nourse | Impact machine |
US3171330A (en) * | 1962-05-18 | 1965-03-02 | Bendix Corp | Motion transmitting system |
USRE26431E (en) * | 1963-05-24 | 1968-08-06 | Electro-pneumatic process controller | |
DE1203169B (de) * | 1964-04-28 | 1965-10-14 | Barmag Barmer Maschf | Steuer- und Schaltvorrichtung fuer hydraulisch angetriebene Changiereinrichtungen bei Spinn-, Spul- und insbesondere Ringzwirnmaschinen |
US3575209A (en) * | 1969-02-24 | 1971-04-20 | Gen Electric | Fluidic position limit control |
US3734202A (en) * | 1971-03-12 | 1973-05-22 | L Gyongyosi | Automatic feed control system |
US3872773A (en) * | 1972-08-09 | 1975-03-25 | Nutron Corp | Position controlling |
DE2337245A1 (de) * | 1973-07-21 | 1975-02-06 | Reinhard Kucharzyk | Hydrostatische transportzylinder oder -motoren mit druckunabhaengig mengengeregeltem, wiederholgenauem hubablauf, bei unterschiedlichen transportgewichten |
SU663896A1 (ru) * | 1977-06-27 | 1979-05-25 | Одесское Специальное Конструкторское Бюро Специальных Станков (Оскбсс) | Гидропривод |
US4424674A (en) * | 1977-08-01 | 1984-01-10 | Roland Geier | Die casting machine |
DE2748716A1 (de) * | 1977-10-29 | 1979-05-03 | Daimler Benz Ag | Hydraulischer positionierantrieb mit zweikantensteuerung |
FR2472465A1 (fr) * | 1979-12-26 | 1981-07-03 | Lbm Presses | Perfectionnements apportes aux presses hydrauliques, et notamment a leurs systemes de commande de la vitesse d'approche |
DE3219730A1 (de) * | 1982-05-26 | 1983-12-01 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur steuerung eines hydraulischen servomotors |
DE3246738C2 (de) * | 1982-09-28 | 1987-02-05 | Dr. H. Tiefenbach Gmbh & Co, 4300 Essen | Mit Eigenmedium gesteuertes Hydraulikventil mit einstellbarem Durchlaßquerschnitt |
DE3306588C2 (de) * | 1983-02-25 | 1987-04-02 | H. Kuhnke Gmbh Kg, 2427 Malente | Elektrisch-fluidisch betätigbares Gerät, insbesondere Ventil |
JPS6132310A (ja) * | 1984-07-25 | 1986-02-15 | 株式会社日立製作所 | 流体圧駆動装置 |
-
1987
- 1987-06-19 DE DE19873720266 patent/DE3720266A1/de active Granted
-
1988
- 1988-05-04 CH CH1669/88A patent/CH679691A5/de not_active IP Right Cessation
- 1988-05-23 IT IT47998/88A patent/IT1219605B/it active
- 1988-06-10 JP JP63141922A patent/JPH0788841B2/ja not_active Expired - Fee Related
- 1988-06-10 GB GB8813824A patent/GB2205976B/en not_active Expired - Fee Related
- 1988-06-17 US US07/208,415 patent/US4825745A/en not_active Expired - Lifetime
- 1988-06-17 FR FR8808160A patent/FR2616854B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0788841B2 (ja) | 1995-09-27 |
DE3720266C2 (it) | 1992-09-03 |
GB2205976A (en) | 1988-12-21 |
FR2616854A1 (fr) | 1988-12-23 |
US4825745A (en) | 1989-05-02 |
GB8813824D0 (en) | 1988-07-13 |
JPS6412103A (en) | 1989-01-17 |
CH679691A5 (it) | 1992-03-31 |
FR2616854B1 (fr) | 1994-04-08 |
GB2205976B (en) | 1991-06-19 |
DE3720266A1 (de) | 1988-12-29 |
IT1219605B (it) | 1990-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19990430 |