FR2254745B1 - - Google Patents
Info
- Publication number
- FR2254745B1 FR2254745B1 FR7441230A FR7441230A FR2254745B1 FR 2254745 B1 FR2254745 B1 FR 2254745B1 FR 7441230 A FR7441230 A FR 7441230A FR 7441230 A FR7441230 A FR 7441230A FR 2254745 B1 FR2254745 B1 FR 2254745B1
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/12—Drives for forging presses operated by hydraulic or liquid pressure
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/14—Means to prevent accidental or unauthorised actuation interlocking two or more valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87096—Valves with separate, correlated, actuators
- Y10T137/87113—Interlocked
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
- Y10T137/87193—Pilot-actuated
- Y10T137/87201—Common to plural valve motor chambers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
- Y10T137/87193—Pilot-actuated
- Y10T137/87209—Electric
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Driven Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Hydraulic Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2362431A DE2362431C2 (de) | 1973-12-15 | 1973-12-15 | Ölhydraulische Hubkolbenzylindervorrichtungen mit wechselweiser gegenseitiger Verriegelung zur Betätigung von wasserhydraulischen Ventilen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2254745A1 FR2254745A1 (fr) | 1975-07-11 |
FR2254745B1 true FR2254745B1 (fr) | 1978-09-22 |
Family
ID=5900865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7441230A Expired FR2254745B1 (fr) | 1973-12-15 | 1974-12-13 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3973595A (fr) |
JP (1) | JPS5091811A (fr) |
DE (1) | DE2362431C2 (fr) |
FR (1) | FR2254745B1 (fr) |
GB (1) | GB1452679A (fr) |
IT (1) | IT1027613B (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4269175A (en) * | 1977-06-06 | 1981-05-26 | Dillon Richard S | Promoting circulation of blood |
US4307750A (en) * | 1978-05-08 | 1981-12-29 | Ledeen Flow Control Systems, Inc. | System for precise position control |
IT1192760B (it) * | 1978-07-12 | 1988-05-04 | Fiat Spa | Dispositivo di comando a fluido a logica combinatoria |
DE2849653C2 (de) * | 1978-11-16 | 1983-10-20 | Mannesmann Rexroth GmbH, 8770 Lohr | Aus hydraulisch betätigbaren Zwei-Wege-Sitzventilen gebildete Wegesteuerung mit zugeordneten Drosselventilen zur Feinsteuerung für hydraulische Antriebe |
US4729408A (en) * | 1985-07-12 | 1988-03-08 | Caterpillar Inc. | Control system for independent control of fluid actuated devices |
US5007524A (en) * | 1988-08-16 | 1991-04-16 | Morefield Allen J | Apparatus and method for safely actuating a belt scraper mechanism with pressurized water |
US5007523A (en) * | 1988-08-16 | 1991-04-16 | Morefield Allen J | Conveyor belt scraper mechanisms |
US5248026A (en) * | 1992-07-22 | 1993-09-28 | Morefield Allen J | Conveyor belt scraper mechanisms |
JPH08174299A (ja) * | 1994-12-20 | 1996-07-09 | Hirohisa Tanaka | 油圧プレス装置のラム駆動用油圧シリンダの駆動制御方法 |
US5572961A (en) * | 1995-04-05 | 1996-11-12 | Ford Motor Company | Balancing valve motion in an electrohydraulic camless valvetrain |
DE20120204U1 (de) * | 2001-12-13 | 2003-04-17 | Gustav Klauke GmbH, 42855 Remscheid | Hydraulisches Verpressgerät |
DE102006026552A1 (de) * | 2006-06-08 | 2007-12-13 | Gustav Klauke Gmbh | Verfahren zum Betreiben eines hydraulischen Verpressgerätes sowie hydraulisches Verpressgerät mit einer Hydraulikpumpe |
DE102007052253B4 (de) * | 2007-11-02 | 2023-07-06 | Mercedes-Benz Group AG | Ventiltriebvorrichtung |
CN106439197B (zh) * | 2016-09-27 | 2019-06-07 | 天津华海清科机电科技有限公司 | 模块化总线式电磁阀组的互锁装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE486561A (fr) * | 1948-02-28 | |||
DE1402525A1 (de) * | 1957-01-30 | 1970-02-05 | Schloemann Ag | Steuerung einer hydraulischen Presse |
GB855360A (en) * | 1957-04-20 | 1960-11-30 | Schloemann Ag | Improvements in hydraulic presses with valves operated by servo-motors |
DE1252026B (fr) * | 1963-03-04 | 1967-10-12 | ||
US3856037A (en) * | 1973-01-22 | 1974-12-24 | Fmc Corp | Valve sequence interlock system |
-
1973
- 1973-12-15 DE DE2362431A patent/DE2362431C2/de not_active Expired
-
1974
- 1974-12-12 IT IT30457/74A patent/IT1027613B/it active
- 1974-12-12 JP JP49142985A patent/JPS5091811A/ja active Pending
- 1974-12-12 US US05/531,969 patent/US3973595A/en not_active Expired - Lifetime
- 1974-12-13 FR FR7441230A patent/FR2254745B1/fr not_active Expired
- 1974-12-16 GB GB5430074A patent/GB1452679A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5091811A (fr) | 1975-07-22 |
AU7647074A (en) | 1976-06-17 |
DE2362431C2 (de) | 1982-12-30 |
US3973595A (en) | 1976-08-10 |
DE2362431A1 (de) | 1975-06-19 |
IT1027613B (it) | 1978-12-20 |
FR2254745A1 (fr) | 1975-07-11 |
GB1452679A (en) | 1976-10-13 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |