IT1271066B - Dispositivo idraulico per comandare un pistone di azionamento per un elemento costruttivo mobile - Google Patents
Dispositivo idraulico per comandare un pistone di azionamento per un elemento costruttivo mobileInfo
- Publication number
- IT1271066B IT1271066B ITMI942343A ITMI942343A IT1271066B IT 1271066 B IT1271066 B IT 1271066B IT MI942343 A ITMI942343 A IT MI942343A IT MI942343 A ITMI942343 A IT MI942343A IT 1271066 B IT1271066 B IT 1271066B
- Authority
- IT
- Italy
- Prior art keywords
- control
- hydraulic device
- building element
- drive piston
- mobile building
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H33/34—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator hydraulic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H2033/308—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator comprising control and pilot 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
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2514—Self-proportioning flow systems
- Y10T137/2521—Flow comparison or differential response
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4340533A DE4340533C2 (de) | 1993-11-29 | 1993-11-29 | Hydraulikeinrichtung zur Betätigung eines Antriebskolbens für ein bewegliches Bauteil |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI942343A0 ITMI942343A0 (it) | 1994-11-18 |
ITMI942343A1 ITMI942343A1 (it) | 1996-05-18 |
IT1271066B true IT1271066B (it) | 1997-05-26 |
Family
ID=6503651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI942343A IT1271066B (it) | 1993-11-29 | 1994-11-18 | Dispositivo idraulico per comandare un pistone di azionamento per un elemento costruttivo mobile |
Country Status (5)
Country | Link |
---|---|
US (1) | US5760358A (it) |
JP (1) | JPH07235245A (it) |
CH (1) | CH689960A5 (it) |
DE (1) | DE4340533C2 (it) |
IT (1) | IT1271066B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0839343B1 (en) * | 1995-07-20 | 2001-10-17 | Abbott Laboratories | Valve construction and method of use |
FR2810445B1 (fr) * | 2000-06-19 | 2002-07-26 | Alstom | Procede de synchronisation de la commutation d'un disjoncteur avec l'onde de tension |
DE102008024097A1 (de) * | 2008-05-17 | 2009-11-19 | Abb Technology Ag | Leistungsschalterantrieb |
DE102009035889B4 (de) * | 2009-08-03 | 2011-11-10 | Abb Technology Ag | Federspeicherantrieb mit Verzögerungsschaltung |
WO2011051752A1 (en) * | 2009-10-26 | 2011-05-05 | Volvo Compact Equipment Sas | Dampened hydraulic pilot control arrangement for a spool valve |
CN104295554B (zh) * | 2014-02-24 | 2017-04-05 | 国家电网公司 | 开关机构、液压操动机构及其工作缸 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3012541A (en) * | 1959-04-02 | 1961-12-12 | Pneumo Dynamics Corp | Timed delay actuator |
US3656404A (en) * | 1971-03-09 | 1972-04-18 | Boris Yakovlevich Landenzon | Hydraulic time relay for hydraulic systems |
CH539784A (de) * | 1971-12-13 | 1973-07-31 | Bbc Brown Boveri & Cie | Hydraulischer Antrieb, insbesondere für elektrische Schaltgeräte |
US3896852A (en) * | 1973-12-06 | 1975-07-29 | E Systems Inc | Time delay valve |
DE3263469D1 (en) * | 1981-03-26 | 1985-06-20 | Bbc Brown Boveri & Cie | Hydraulic or pneumatic control |
US4471797A (en) * | 1982-03-19 | 1984-09-18 | Parker-Hannifin Corporation | Hydraulic circuit breaker reset device |
DE3447132A1 (de) * | 1984-12-22 | 1986-07-03 | BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau | Hydraulikeinrichtung |
US4785712A (en) * | 1986-05-27 | 1988-11-22 | Mitsubishi Denki Kabushiki Kaisha | Hydraulic operating apparatus for electric circuit breaker |
DE9013400U1 (de) * | 1990-09-19 | 1990-11-22 | Siemens AG, 80333 München | Hochspannungs-Leistungsschalter mit einer Dämpfungseinrichtung |
DE9111861U1 (de) * | 1991-09-23 | 1991-11-14 | ABB Patent GmbH, 6800 Mannheim | Hydraulischer Antrieb |
JP2869265B2 (ja) * | 1992-05-29 | 1999-03-10 | 三菱電機株式会社 | 遮断器 |
DE4227562A1 (de) * | 1992-08-20 | 1994-02-24 | Abb Patent Gmbh | Verfahren zum Steuern eines Hydraulikantriebes |
DE4336074C2 (de) * | 1993-10-22 | 1998-07-02 | Abb Patent Gmbh | Hydraulikeinrichtung für einen Hydraulikantrieb für einen Hochspannungsleistungsschalter |
-
1993
- 1993-11-29 DE DE4340533A patent/DE4340533C2/de not_active Expired - Fee Related
-
1994
- 1994-10-06 CH CH03008/94A patent/CH689960A5/de not_active IP Right Cessation
- 1994-11-18 IT ITMI942343A patent/IT1271066B/it active IP Right Grant
- 1994-11-28 JP JP6293369A patent/JPH07235245A/ja active Pending
-
1996
- 1996-07-31 US US08/690,069 patent/US5760358A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5760358A (en) | 1998-06-02 |
JPH07235245A (ja) | 1995-09-05 |
DE4340533C2 (de) | 1998-02-19 |
CH689960A5 (de) | 2000-02-15 |
ITMI942343A0 (it) | 1994-11-18 |
DE4340533A1 (de) | 1995-06-08 |
ITMI942343A1 (it) | 1996-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971127 |