KR920006522B1 - 전기회로차단기용 차동유압잭 - Google Patents
전기회로차단기용 차동유압잭 Download PDFInfo
- Publication number
- KR920006522B1 KR920006522B1 KR1019880003173A KR880003173A KR920006522B1 KR 920006522 B1 KR920006522 B1 KR 920006522B1 KR 1019880003173 A KR1019880003173 A KR 1019880003173A KR 880003173 A KR880003173 A KR 880003173A KR 920006522 B1 KR920006522 B1 KR 920006522B1
- Authority
- KR
- South Korea
- Prior art keywords
- piston
- cylinder
- valve
- hydraulic jack
- differential
- Prior art date
Links
Images
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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Fluid-Pressure Circuits (AREA)
- Retarders (AREA)
- Control Of Fluid Gearings (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Reciprocating Pumps (AREA)
- Lift Valve (AREA)
- Fluid-Driven Valves (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Percussive Tools And Related Accessories (AREA)
- Vehicle Body Suspensions (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8704134 | 1987-03-25 | ||
FR8704134A FR2613122B1 (fr) | 1987-03-25 | 1987-03-25 | Verin hydraulique differentiel pour la commande de disjoncteurs electriques |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880011481A KR880011481A (ko) | 1988-10-28 |
KR920006522B1 true KR920006522B1 (ko) | 1992-08-07 |
Family
ID=9349407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880003173A KR920006522B1 (ko) | 1987-03-25 | 1988-03-24 | 전기회로차단기용 차동유압잭 |
Country Status (17)
Country | Link |
---|---|
EP (1) | EP0284482B1 (zh) |
JP (1) | JP2593909B2 (zh) |
KR (1) | KR920006522B1 (zh) |
CN (1) | CN1008652B (zh) |
AT (1) | ATE71471T1 (zh) |
AU (1) | AU599217B2 (zh) |
BR (1) | BR8801365A (zh) |
CA (1) | CA1319728C (zh) |
DE (1) | DE3867514D1 (zh) |
ES (1) | ES2028314T3 (zh) |
FI (1) | FI881400A (zh) |
FR (1) | FR2613122B1 (zh) |
HU (1) | HU204328B (zh) |
IN (1) | IN170378B (zh) |
SU (1) | SU1644724A3 (zh) |
YU (1) | YU47464B (zh) |
ZA (1) | ZA881688B (zh) |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1070266B (zh) * | 1958-06-04 | |||
FR1312751A (fr) * | 1961-01-24 | 1962-12-21 | Coq Nv | Perfectionnements apportés aux interrupteurs électriques avec rupture pneumatique du courant |
US3155009A (en) * | 1961-08-03 | 1964-11-03 | Gen Dynamics Corp | High energy actuator apparatus |
FR1378068A (fr) * | 1963-07-24 | 1964-11-13 | Merlin Gerin | Perfectionnement aux dispositifs de commande hydraulique, notamment pour interrupteurs électriques |
DE1282131B (de) * | 1965-01-29 | 1968-11-07 | Siemens Ag | Elektrischer Schalter |
FR2317532A1 (fr) * | 1975-07-07 | 1977-02-04 | Gratzmuller Jean Louis | Verin hydraulique a amortisseur incorpore avec realimentation de la chambre d'amortissement |
US4166937A (en) * | 1978-05-18 | 1979-09-04 | General Electric Company | Hydraulically-activated operating system for an electric circuit breaker |
JPS5598464U (zh) * | 1978-12-27 | 1980-07-09 | ||
JPS5693227A (en) * | 1979-12-27 | 1981-07-28 | Hitachi Ltd | Hydraulic driving unit |
JPS56153627A (en) * | 1980-04-28 | 1981-11-27 | Meidensha Electric Mfg Co Ltd | Oil pressure operating device |
JPS59109044U (ja) * | 1983-01-12 | 1984-07-23 | 株式会社東芝 | しや断器の液圧操作装置 |
JPS61161627A (ja) * | 1985-01-08 | 1986-07-22 | 三菱電機株式会社 | 液圧式操作装置 |
JPH0795416B2 (ja) * | 1986-02-26 | 1995-10-11 | 株式会社東芝 | 液圧操作装置 |
US4785712A (en) * | 1986-05-27 | 1988-11-22 | Mitsubishi Denki Kabushiki Kaisha | Hydraulic operating apparatus for electric circuit breaker |
-
1987
- 1987-03-25 FR FR8704134A patent/FR2613122B1/fr not_active Expired
-
1988
- 1988-03-09 ZA ZA881688A patent/ZA881688B/xx unknown
- 1988-03-10 IN IN156/MAS/88A patent/IN170378B/en unknown
- 1988-03-11 EP EP88400574A patent/EP0284482B1/fr not_active Expired - Lifetime
- 1988-03-11 ES ES198888400574T patent/ES2028314T3/es not_active Expired - Lifetime
- 1988-03-11 DE DE8888400574T patent/DE3867514D1/de not_active Expired - Lifetime
- 1988-03-11 AT AT88400574T patent/ATE71471T1/de not_active IP Right Cessation
- 1988-03-17 HU HU881316A patent/HU204328B/hu not_active IP Right Cessation
- 1988-03-18 YU YU55288A patent/YU47464B/sh unknown
- 1988-03-23 AU AU13515/88A patent/AU599217B2/en not_active Ceased
- 1988-03-23 CA CA000562240A patent/CA1319728C/en not_active Expired - Lifetime
- 1988-03-24 BR BR888801365A patent/BR8801365A/pt not_active IP Right Cessation
- 1988-03-24 KR KR1019880003173A patent/KR920006522B1/ko not_active IP Right Cessation
- 1988-03-24 SU SU4355424A patent/SU1644724A3/ru active
- 1988-03-24 FI FI881400A patent/FI881400A/fi not_active Application Discontinuation
- 1988-03-25 CN CN88101589A patent/CN1008652B/zh not_active Expired
- 1988-03-25 JP JP63073066A patent/JP2593909B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2613122A1 (fr) | 1988-09-30 |
YU55288A (en) | 1990-04-30 |
EP0284482B1 (fr) | 1992-01-08 |
ZA881688B (en) | 1988-09-06 |
FI881400A0 (fi) | 1988-03-24 |
IN170378B (zh) | 1992-03-21 |
FI881400A (fi) | 1988-09-26 |
CA1319728C (en) | 1993-06-29 |
DE3867514D1 (de) | 1992-02-20 |
HUT48331A (en) | 1989-05-29 |
JP2593909B2 (ja) | 1997-03-26 |
KR880011481A (ko) | 1988-10-28 |
AU599217B2 (en) | 1990-07-12 |
FR2613122B1 (fr) | 1989-06-23 |
BR8801365A (pt) | 1988-11-01 |
ATE71471T1 (de) | 1992-01-15 |
AU1351588A (en) | 1988-09-29 |
YU47464B (sh) | 1995-10-03 |
SU1644724A3 (ru) | 1991-04-23 |
ES2028314T3 (es) | 1992-07-01 |
JPS63254623A (ja) | 1988-10-21 |
HU204328B (en) | 1991-12-30 |
EP0284482A1 (fr) | 1988-09-28 |
CN1008652B (zh) | 1990-07-04 |
CN88101589A (zh) | 1988-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20070706 Year of fee payment: 16 |
|
EXPY | Expiration of term |