CN1198580A - Vacuum box - Google Patents
Vacuum box Download PDFInfo
- Publication number
- CN1198580A CN1198580A CN 98108765 CN98108765A CN1198580A CN 1198580 A CN1198580 A CN 1198580A CN 98108765 CN98108765 CN 98108765 CN 98108765 A CN98108765 A CN 98108765A CN 1198580 A CN1198580 A CN 1198580A
- Authority
- CN
- China
- Prior art keywords
- cylindrical body
- vacuum tank
- flexible pipe
- lining
- insulating material
- 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.)
- Granted
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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/6623—Details relating to the encasing or the outside layers of the vacuum switch housings
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/6606—Terminal arrangements
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Insulating Bodies (AREA)
- Manufacture Of Switches (AREA)
Abstract
The vacuum chamber has a cylindrical body (11) which at least partially consists of an insulating ceramic material, preferably Al2O3, glass or a similar material. It also has fixed contacts and a movable contact attached to a movable contact rod (22). The movable contacts are located in a vacuum inside the body (11) which is cast into an insulating material, in particular, a casting resin. The vacuum chamber is characterised by the fact that an elastic padding (34) is placed between the body (11) and the insulating material (30,31) to compensate relative displacements - which are brought about by temperature effects - of the body (11) and the insulating material.
Description
The present invention relates to claim 1 vacuum tank as described in the preamble.
The vacuum tank that this paper starts described type has a cylindrical body, be full of vacuum in this cylindrical body, and accommodate a moving contact with a fixed contact, be arranged on the stationary contact bar at this said fixed contact, said moving contact then is arranged on the movable feeler lever, and vacuum sealing device all is inserted into this cylindrical body inside.This vacuum tank has one at least by insulating material, the preferably ceramic cylindricality pipeline section of making; By means of a cover of meter hood or one section bellows the two ends of said cylindrical body being sealed with vacuum-packed form, allow said feeler lever at this this bellows, exactly is that moving contact moves.
Such vacuum tank is well-known.
Be well known that the vacuum tank of a breaker electrode packed in the parts that an epoxy resin Modeling Material makes that these parts are born the task dielectric aspect and mechanical aspects; Between this vacuum tank and this Modeling Material parts, has one deck intermediate insulation gas, for example SF6.Also can consider to use air.
Referring to GB1 030 798, be well known that and use a kind of plastics, preferably epoxy resin encloses casting to this vacuum tank, so that the cylindricality pipeline section of being made by insulating ceramics of this vacuum tank is avoided polluting, because for example on the insulation pipeline section, just may form pollution layer on the outer surface of the insulation pipeline section of cylindrical body, this surface contamination layer can make breakdown strength reduce.
If the cylindrical body of a vacuum tank is enclosed casting at casting resin, for example in the epoxy resin, then the problem of Cun Zaiing is: make with gas under the situation of surface insulation, can form a kind of defective attachment phenomenon between this casting resin and pottery, this attachment phenomenon has only by additional and increases attached dose of ability and eliminate.Under extreme heat load situation, also may in this casting resin, form crackle, these high efficiency of enclosing the vacuum tank of casting have separately partly or entirely been offseted.
Therefore task of the present invention provides the vacuum tank that a kind of this paper starts described the sort of type, and it can avoid casting resin to crack because of temperature effect under the manufacturing cost situation of economy.
Task of the present invention realizes by the feature of claim 1 characteristic.
According to the present invention, at cylindrical body and insulating material, promptly also have one deck cushions between the casting resin, by this lining, the relative motion that for example limits because of temperature conditions between cylindrical body and insulating material can be compensated.
According to a kind of preferred structure of the present invention, said lining can be made with ethylene-propylene-diene-rubber (Ethylen-Propylen-Dien-Kautschuk) or ethylene-propylene-ternary rubber (Ethylen-Prop-Ter-Kautschuk); Good especially mode is that this lining is made a kind of flexible pipe, and this flexible pipe has some makes this flexible pipe remain the intermediary of cylindricality, so that can easily it is set on this vacuum tank; After covering, these intermediaries are removed, thereby this flexible pipe flexiblely is centered around on the cylindrical body of this vacuum tank as bellows.Said flexible pipe is significantly less than said cylindrical body at the diameter of removing under the intermediary state.
Can exactly be crosslinked polyethylene material also with ethylene-propylene-adhesive (Ethylen-Propylen-Mastics) or polyethylene as this lining.
Material at this this flexible pipe is chosen like this, and promptly it can bear the casting resin temperature of rising during enclosing this switch-box of casting, and its shape or characteristic do not change.And the thickness of this lining, just the thickness of this flexible pipe is chosen like this, and promptly it is fit to make the relative core of casting mold to keep sealing during enclosing casting.In addition, said material can also be chosen like this, be that it compensates the thermal transmission coefficient that vacuum tank has nothing in common with each other in-30 ℃ to+105 ℃ temperature province, and stop to form crackle in casting resin, the parts made from steel that is to say that this lining must become insulating ceramics pipeline section, copper and the various thermal expansions of casting resin parts compensate.This point will be realized by the described material of claim 2.
In addition, this lining also should form good being connected with casting resin, and it should not influence the functional characteristic of this switch-box and have good in insulating properties.
So that can easily it be set to mode on the cylindrical body, make the installation of lining very simple by lining being kept a kind of shape with said intermediary.
It is known making lining itself with bellows.
Also the available silicon resin is that silicon rubber is made elastomeric material.
Under any circumstance, particularly using under the silicon rubber situation, said elastomeric material is not all to insert in the casting resin.Said elastomeric material, particularly silicon rubber at an end of this vacuum tank freely to stretch, so that this material can expand there than reasonable manner.
Below will be by the accompanying drawing that shows one embodiment of the invention, explanation in detail and is clearly carried out in other version and improvement preferably of the present invention and the present invention.
Unique accompanying drawing is the cutaway view of vacuum tank of the present invention.
Vacuum tank 10 has a cylindrical body 11, and it comprises two by insulating ceramics, and the cylindricality pipeline section of being made by A1203 12,13 preferably, these two pipeline sections interconnect having under the middle seam situation of a becket 14.This becket 14 is used for fixing a radome that is in this vacuum tank inside.The end rib 15 that this cylindrical body 11 is in accompanying drawing top is covered by a cover of meter hood 16, and a stationary contact bar 17 passes this cover of meter hood 16, has the fixed contact that does not illustrate among the figure on the inner termination of this stationary contact bar.A contact block 18 is connected from that end that vacuum tank 10 is stretched, and vertical with the axis M-M of vacuum tank, and going up supply lines for one can 19 be fixed on this contact block 18 by being threaded.
Insulate the down bottom 20 of pipeline section 13 is connected with one section cylindricality metal tube 21, a movable feeler lever 22 extend in this pipe fitting 21, in the mode that is not shown specifically in scheming one section bellows is set between movable feeler lever 22 and metal section 21 at this, this bellows allows movable feeler lever 22 to move on the direction of axis M-M; A moving contact is arranged on the inner termination of this movable feeler lever 22, and this moving contact and fixed contact form a contact point.Connect a flexibility in the outer end of this contact lever 22 and be with 23, this flexibility is with 23 to be connected with a contact block 24, and following supply lines can 25 be connected on this contact block 24 by being threaded.This contact lever 22 is connected with a drive rod 26.
As being clearly shown that among the figure, this vacuum tank 10 is enclosed casting in a casting resin seal 30, and this casting resin seal 30 has a pipeline section 31, and this pipeline section 31 surrounds said cylindrical body 11, at this, this insulator 30,31 also surrounds cover cap 16 and contact block 18.The end that on the cylindrical body 11 of vacuum tank 10, has movable feeler lever 22 to stretch out, there is one section cylindricality ring set 32 to be connected with pipeline section 31, this ring set surrounds contact block 24 on the one hand, and be provided with the projection 33 of annular on its outer surface, these projections 33 are used to improve the dielectric strength for leakage current.This cylindricality ring set also partly surrounds drive rod 26.
Each independent feature for example can be learnt from GB1 030 798.
Between the outer surface of the inboard of the pipeline section 31 of insulator and cylindrical body 11 lining 34 is arranged, this lining 34 surrounds two end surfaces of cylindrical body 11 on from said contact lever 17 to said contact lever 22 zones.
The flexible pipe that this lining is made by a kind of ethylene-propylene-diene-rubber (Ethylen-Propylen-Dien-Kautschuk) constitutes, and makes this flexible pipe remain cylindrical shape by a kind of plastic spiral, so that it can be set on the cylindrical body 11 of this vacuum tank.After removing said plastic spiral, this flexible pipe abuts on the outer surface of this cylindrical body 11 as a bellows, and is lax equably at this this flexible pipe, so that at cylindrical body 11 and end surfaces, just do not form air cushion between the switch-box 10.The length of this flexible pipe is so chosen, and promptly no longer needs this flexible pipe is handled afterwards, for example this flexible pipe is shortened.Then by automatic gelling process, with the filling epoxy resin of aromatic series or cyclic aliphatic the vacuum tank that is preheated and is added with lining is enclosed casting, play a part to make the relative core of casting mold to keep sealing at this this lining 34.
According to a kind of particularly preferred structure, this lining also can be made with silicon rubber.
Shown in the figure: this lining 34 partly covers the upper and lower end face of vacuum tank 21.At the place, lower surface, stretch the middle cavity 40 of the free end 41 of this lining 34 between vacuum tank 21 and casting resin 31.This lining 34 covers lower surface 42 this point partly and does not have great meaning.Importantly, locate this lining 34 in the lower surface and all do not surrounded by casting resin not as upper surface 43, but freely stretch out, so its free wxpansion down.When particularly making lining 34, have enough elastic buffer effects, but the performance of this free wxpansion is very necessary and useful in order to make lining with silicon rubber.
Claims (6)
1. vacuum tank, it has a cylindrical body, a kind of insulating ceramics of this cylindrical body to small part, A1203 preferably, glass or similar substance are made, it also has a fixed contact and one to be installed in a moving contact on the movable feeler lever, at this, said contact all is arranged in the vacuum of said cylindrical body inside, said cylindrical body has end surfaces that the contact lever of moving contact stretches all at insulating material until it, particularly in casting resin, enclose casting, it is characterized in that: at said cylindrical body (11) and insulating material (30, one deck cushions (34) is set 31), this lining compensates the relative motion that for example limits because of temperature conditions between cylindrical body (11) and insulating material (30,31).
2. vacuum tank according to claim 1, it is characterized in that: said lining (34) the most handy ethylene-propylene-diene-rubber (Ethylen-Propylen-Dien-Kautschuk) are made.
3. vacuum tank according to claim 1, it is characterized in that: said lining (34) is made with silicon rubber.
4. as vacuum tank as described in the claim 2, it is characterized in that: said lining (34) is made a kind of flexible pipe, this flexible pipe has some makes this flexible pipe remain the intermediary of cylindricality, particularly a kind of plastic spiral, the diameter of flexible pipe that is retained as cylindricality this this is greater than the overall diameter of said cylindrical body (11), at this, after said flexible pipe being covered on the said cylindrical body (11), just these intermediaries are removed.
5. as vacuum tank as described in the claim 4, it is characterized in that: said flexible pipe is being removed diameter under the intermediary state less than the diameter of said cylindrical body (11), so that the end of this flexible pipe covers the end face of said cylindrical body (11) at least in part.
As claim 1 to 5 arbitrary as described in vacuum tank, it is characterized in that: on an end of said vacuum tank (10), stretch the middle cavity (40) of said cushions (34) between the outer surface of casting resin (31) and vacuum tank (10).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712182.9 | 1997-03-22 | ||
| DE1997112182 DE19712182A1 (en) | 1997-03-22 | 1997-03-22 | Vacuum chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1198580A true CN1198580A (en) | 1998-11-11 |
| CN1115702C CN1115702C (en) | 2003-07-23 |
Family
ID=7824368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98108765 Expired - Lifetime CN1115702C (en) | 1997-03-22 | 1998-03-21 | Vacuum box |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0866481B1 (en) |
| CN (1) | CN1115702C (en) |
| DE (2) | DE19712182A1 (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328740C (en) * | 2002-10-21 | 2007-07-25 | 西门子公司 | Production of a circuit-breaker pole, insulated by a solid material |
| CN101515519A (en) * | 2008-02-07 | 2009-08-26 | 伊顿公司 | Encapsulated pole unit conductor assembly for an encapsulated pole unit and medium voltage circuit interrupter including the same |
| CN101889322A (en) * | 2007-12-07 | 2010-11-17 | Abb技术股份公司 | Low pressure, medium-pressure or high pressure switch module with at least one moveable contact |
| CN101958514A (en) * | 2009-07-20 | 2011-01-26 | Abb技术股份公司 | The embedded pole part that switchgear is used |
| CN102024615A (en) * | 2010-12-23 | 2011-04-20 | 厦门明翰电气有限公司 | Pole column of vacuum circuit breaker |
| CN102227793A (en) * | 2009-05-06 | 2011-10-26 | 西门子公司 | Insulating housing for receiving vacuum switching tube and switch pole insulated by solid material |
| CN101027740B (en) * | 2004-09-24 | 2012-03-21 | 西门子公司 | Self-conglutinating elastomer layer in solid insulative switch pole |
| CN101268536B (en) * | 2005-08-22 | 2012-08-08 | Abb技术股份公司 | Method for producing circuit-breaker parts for low, medium and high-voltage switching stations and corresponding circuit-breaker part |
| CN101796603B (en) * | 2007-09-05 | 2014-04-09 | Abb技术股份公司 | Method for production of pole part of medium- voltage switching device, as well as pole part itself |
| CN103928262A (en) * | 2004-06-28 | 2014-07-16 | Abb技术股份公司 | Vacuum Switch Chamber With A Protective Sleeve That Is Applied By Heat Shrinking |
| CN104081488A (en) * | 2012-01-04 | 2014-10-01 | Abb技术股份公司 | Embedded or assembled pole part with vacuum interrupter, and method of manufacture the same |
| CN105655192A (en) * | 2016-01-13 | 2016-06-08 | 宁波耀华电气科技有限责任公司 | Manufacturing method of solid-sealed polar pole utilizing insulating sheath to cover vacuum arc-extinguishing chamber |
| US10722436B2 (en) | 2015-08-10 | 2020-07-28 | Mary Kay Inc. | Topical compositions |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29902214U1 (en) | 1999-01-29 | 1999-05-06 | Siemens AG, 80333 München | Vacuum switch, especially for high voltage |
| DE19921477A1 (en) * | 1999-05-08 | 2000-11-09 | Abb T & D Tech Ltd | Open air electrical switch pole section, comprises a vacuum chamber located in a cylindrical housing made of a rigid insulating material, with an outer insulating coating. |
| DE10120447B4 (en) * | 2001-04-26 | 2012-12-27 | Abb Ag | switch |
| CN1290132C (en) * | 2002-04-12 | 2006-12-13 | 三菱电机株式会社 | Vacuum valve |
| DE10224585A1 (en) * | 2002-06-04 | 2003-12-18 | Abb Patent Gmbh | Vacuum switch comprises a housing consisting of a cast resin which contains quartz powder at least as an only added constituent |
| DE10249614B3 (en) * | 2002-10-21 | 2004-05-19 | Siemens Ag | Insulated housing with rib contour |
| KR100859157B1 (en) * | 2004-06-28 | 2008-09-19 | 에이비비 테크놀로지 아게 | Vacuum switch chamber with a protective sleeve that is applied by heat shrinking |
| DE102004047259B3 (en) * | 2004-09-24 | 2006-05-04 | Siemens Ag | Solids-insulated switch pole with front-side moving contact connection |
| DE102004050786C5 (en) * | 2004-10-14 | 2008-03-06 | Siemens Ag | Coupling device with heat sink |
| DE102004060274B4 (en) * | 2004-12-15 | 2007-02-15 | Abb Patent Gmbh | Method for producing a switch for medium and high voltage engineering, and a switch itself |
| EP2375433B1 (en) * | 2005-10-28 | 2016-04-20 | S & C Electric Company | Circuit interrupter assembly and disconnect assembly |
| DE202006007973U1 (en) * | 2006-05-10 | 2006-08-03 | Siemens Ag | Power circuit breaker to act as full-load switch has pole unit with pole head and pole carrier and vacuum switching tube in-between with fixed and moving contacts |
| DE102006042101B4 (en) | 2006-09-07 | 2008-09-25 | Switchcraft Europe Gmbh | Vacuum switch for medium and high voltages |
| DE102006062225B4 (en) * | 2006-12-22 | 2009-01-29 | Decom Gmbh | System of a solid-insulated switch pole |
| FR2925755B1 (en) | 2007-12-21 | 2012-08-03 | Schneider Electric Ind Sas | INSULATION OF VACUUM BULB TYPE CUTTING DEVICE BY OVERMOLDING |
| FR2938967B1 (en) * | 2008-11-24 | 2012-08-03 | Areva T & D Sa | OVERMOULING FOR VACUUM BULB OF SMC OR BMC COMPOSITE MATERIAL |
| FR2938966B1 (en) * | 2008-11-24 | 2012-08-03 | Areva T & D Sa | OVERMOLDING FOR VACUUM BULB |
| EP2549503A1 (en) * | 2011-07-19 | 2013-01-23 | ABB Technology AG | Vacuum interrupter with integrated double gap and single drive |
| EP2656998A1 (en) * | 2012-04-23 | 2013-10-30 | ABB Technology AG | Pole part for medium voltage use, and method for manufacture the same |
| CN205282361U (en) * | 2012-12-24 | 2016-06-01 | Abb技术有限公司 | Circuit breaker's among air insulation switching device utmost point subassembly |
| FR3009643B1 (en) | 2013-08-09 | 2015-08-07 | Schneider Electric Ind Sas | VACUUM BULB, CIRCUIT BREAKER POLE COMPRISING SUCH A VACUUM BULB AND METHODS OF MAKING SUCH DEVICES |
| EP3036752A4 (en) * | 2013-08-22 | 2017-06-07 | Dow Global Technologies LLC | Method for producing circuit-breaker pole parts |
| FR3017486B1 (en) | 2014-02-07 | 2017-09-08 | Schneider Electric Ind Sas | DEFLECTOR FOR OVERMOUTED VACUUM BULB |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1030798A (en) * | 1963-11-11 | 1966-05-25 | Ass Elect Ind | Improvements relating to vacuum electric switches |
| US3812314A (en) * | 1971-08-23 | 1974-05-21 | Gen Electric | High power electrical bushing having a vacuum switch encapsulated therein |
| US3955167A (en) * | 1975-01-08 | 1976-05-04 | Mcgraw-Edison Company | Encapsulated vacuum fuse assembly |
| US4124790A (en) * | 1975-03-06 | 1978-11-07 | Mcgraw-Edison Company | Protective switch device and operating mechanism therefor |
| US4393286A (en) * | 1978-08-24 | 1983-07-12 | Tokyo Shibaura Denki Kabushiki Kaisha | Vacuum circuit breakers |
| DE8508473U1 (en) * | 1985-03-21 | 1985-05-15 | Siemens AG, 1000 Berlin und 8000 München | Encapsulation of a vacuum interrupter |
| DE9017054U1 (en) * | 1990-12-18 | 1991-03-07 | ABB Patent GmbH, 6800 Mannheim | Switch pole arrangement |
| DE9314754U1 (en) * | 1993-09-27 | 1994-03-03 | Siemens AG, 80333 München | Vacuum interrupter with an encapsulation resistant to internal pressure |
| US5808258A (en) * | 1995-12-26 | 1998-09-15 | Amerace Corporation | Encapsulated high voltage vacuum switches |
| DE19634451C1 (en) * | 1996-08-26 | 1998-01-29 | Driescher Eltech Werk | Load switch |
| MY119298A (en) * | 1996-09-13 | 2005-04-30 | Cooper Ind Inc | Encapsulated vacuum interrupter and method of making same |
-
1997
- 1997-03-22 DE DE1997112182 patent/DE19712182A1/en not_active Withdrawn
-
1998
- 1998-03-03 EP EP19980103652 patent/EP0866481B1/en not_active Expired - Lifetime
- 1998-03-03 DE DE59813165T patent/DE59813165D1/en not_active Expired - Lifetime
- 1998-03-21 CN CN 98108765 patent/CN1115702C/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328740C (en) * | 2002-10-21 | 2007-07-25 | 西门子公司 | Production of a circuit-breaker pole, insulated by a solid material |
| CN103928262A (en) * | 2004-06-28 | 2014-07-16 | Abb技术股份公司 | Vacuum Switch Chamber With A Protective Sleeve That Is Applied By Heat Shrinking |
| CN101027740B (en) * | 2004-09-24 | 2012-03-21 | 西门子公司 | Self-conglutinating elastomer layer in solid insulative switch pole |
| CN101268536B (en) * | 2005-08-22 | 2012-08-08 | Abb技术股份公司 | Method for producing circuit-breaker parts for low, medium and high-voltage switching stations and corresponding circuit-breaker part |
| CN101796603B (en) * | 2007-09-05 | 2014-04-09 | Abb技术股份公司 | Method for production of pole part of medium- voltage switching device, as well as pole part itself |
| CN101889322A (en) * | 2007-12-07 | 2010-11-17 | Abb技术股份公司 | Low pressure, medium-pressure or high pressure switch module with at least one moveable contact |
| CN101515519A (en) * | 2008-02-07 | 2009-08-26 | 伊顿公司 | Encapsulated pole unit conductor assembly for an encapsulated pole unit and medium voltage circuit interrupter including the same |
| CN101515519B (en) * | 2008-02-07 | 2013-12-25 | 伊顿公司 | Encapsulated pole unit conductor assembly for encapsulated pole unit and medium voltage circuit interrupter including same |
| CN102227793B (en) * | 2009-05-06 | 2014-08-20 | 西门子公司 | Insulating housing for receiving vacuum switching tube and switch pole insulated by solid material |
| CN102227793A (en) * | 2009-05-06 | 2011-10-26 | 西门子公司 | Insulating housing for receiving vacuum switching tube and switch pole insulated by solid material |
| CN101958514A (en) * | 2009-07-20 | 2011-01-26 | Abb技术股份公司 | The embedded pole part that switchgear is used |
| CN102024615A (en) * | 2010-12-23 | 2011-04-20 | 厦门明翰电气有限公司 | Pole column of vacuum circuit breaker |
| CN104081488A (en) * | 2012-01-04 | 2014-10-01 | Abb技术股份公司 | Embedded or assembled pole part with vacuum interrupter, and method of manufacture the same |
| US10722436B2 (en) | 2015-08-10 | 2020-07-28 | Mary Kay Inc. | Topical compositions |
| US11179305B2 (en) | 2015-08-10 | 2021-11-23 | Mary Kay Inc. | Topical compositions |
| CN105655192A (en) * | 2016-01-13 | 2016-06-08 | 宁波耀华电气科技有限责任公司 | Manufacturing method of solid-sealed polar pole utilizing insulating sheath to cover vacuum arc-extinguishing chamber |
Also Published As
| Publication number | Publication date |
|---|---|
| DE59813165D1 (en) | 2005-12-15 |
| EP0866481B1 (en) | 2005-11-09 |
| DE19712182A1 (en) | 1998-09-24 |
| EP0866481A2 (en) | 1998-09-23 |
| CN1115702C (en) | 2003-07-23 |
| EP0866481A3 (en) | 1999-11-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20030723 |