CN101335156B - Magnet retaining relay - Google Patents
Magnet retaining relay Download PDFInfo
- Publication number
- CN101335156B CN101335156B CN2007100091763A CN200710009176A CN101335156B CN 101335156 B CN101335156 B CN 101335156B CN 2007100091763 A CN2007100091763 A CN 2007100091763A CN 200710009176 A CN200710009176 A CN 200710009176A CN 101335156 B CN101335156 B CN 101335156B
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- China
- Prior art keywords
- magnetic conductor
- magnetic
- conductor parts
- movable
- static
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- Expired - Fee Related
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
- H01H51/2209—Polarised relays with rectilinearly movable armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
- H01H51/2227—Polarised relays in which the movable part comprises at least one permanent magnet, sandwiched between pole-plates, each forming an active air-gap with parts of the stationary magnetic circuit
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a magnetic latching relay comprising a magnetic circuit part, a contact part and a counterforce reed. The magnetic circuit part is composed of a coil, an E-shaped static magnetizer component and a moveable magnetizer component; the coil is wound on the static magnetizer component and a movable magnetizer component comprises a magnetic steel and a movable magnetizer arranged at the both sides of the magnetic steel with the same structure, the E-shaped static magnetizer component is formed by connecting two magnetizers and at lease one magnetizer is provided with a U-shaped structure. The magnetic circuit takes the shape of 'two squares stacked vertically', solves the problem of unevenness of magnetic circuit contact surface and enhances the stability of product performance; the static magnetizer of the magnetic circuit part adopts the U-shaped structure, and the movable magnetizer adopts two same U-shaped or similar structures; therefore, the manufacture difficulty of parts and assemble difficulty and precision of components are reduced, the counterforce reed causes the absorbing counterforce of the relay in working state to be balanced, thus enhancing the reliability.
Description
Technical field
The present invention relates to a kind of relay, particularly relate to a kind of magnetic latching relay.
Background technology
Existing magnetic latching relay is made up of magnetic circuit part, contact portion, promotion part and base part.Fig. 1 a is a kind of structural representation of typical power magnetic force keeping relay, quiet spring part 71, moving spring part 72 are to be contained on the base 70, the pushing part is divided into the pushing block 73 of one two sideband draw-in groove, the magnetic circuit part is made up of the movable magnetic conductor part 74 of " worker " shape, rotating shaft 75, static magnetic conductor 76 and coil 77 parts, the movable magnetic conductor of " worker " shape partly rotates around the axis, the movable magnetic conductor 74a in a left side, right movable magnetic conductor 74b and left static magnetic conductor 76a, right static magnetic conductor 76b fit, and magnetic circuit is partly worked.Fig. 1 b is the structural representation of the magnetic circuit part of existing magnetic latching relay, this magnetic circuit partly comprises the movable magnetic conductor part 80 of " worker " shape, rotating shaft 81, static magnetic conductor 84 and coiler part 85 compositions, the movable magnetic conductor of " worker " shape partly comprise the movable magnetic conductor 83a in a left side, right movable magnetic conductor 83b and go up, magnet steel 82a, lower magnetic steel 82b, the movable magnetic conductor part 80 of " worker " shape can 81 be rotated around the shaft, the movable magnetic conductor 83a in a left side, right movable magnetic conductor 83b make magnetic circuit system work by fitting with last static magnetic conductor 84a, following static magnetic conductor 84b.In this relay construction, base is provided with and embeds dynamic and static spring part and magnetic circuit slotted eye partly, the technology difficulty height, and make static magnetic conductor and movable magnetic conductor reach that contact-making surface is smooth big difficulty in its magnetic circuit part, therefore be easy to generate the unsettled phenomenon of properties of product.The parts size precision height of Yao Qiuing for this reason, assembly difficulty height, precision height.In addition, after the closing of contact, owing to exist contact force to impel the contact to disconnect, and after the disconnection of contact, the auxiliary counter-force that there is no need is impelled the closing of contact, inhales the unbalanced phenomenon of counter-force so relay can appear in this kind structure.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of magnetic latching relay that has new structure magnetic circuit system and reverse force spring plate is provided, this kind structure relay has reduced part precision requirement and difficulty and required precision to assembling, thereby simplification production technology, make relay construction simpler, cost is lower, and relay suction counter-force is tended to balance, and performance is more stable.
The technical solution adopted for the present invention to solve the technical problems is: a kind of magnetic latching relay comprises magnetic circuit part, contact portion, reverse force spring plate, magnetic circuit part, contact portion, reverse force spring plate relative fixed;
Contact portion comprises quiet spring part, moving spring part;
Magnetic circuit partly comprises a coil, the static magnetic conductor parts of an E shape and movable magnetic conductor parts; Coil winding is provided with insulation material layer between static magnetic conductor and coil on static magnetic conductor; Movable magnetic conductor parts are arranged on the top of static magnetic conductor parts and partly link by a push card and moving spring; Movable magnetic conductor parts comprise a magnet steel and are connected the movable magnetic conductor with same structure of magnet steel both sides, two movable magnetic conductors of movable magnetic conductor parts with moving of movable magnetic conductor parts with different pole-faces that static magnetic conductor is contacted in move and replace; The static magnetic conductor parts of E shape are formed by connecting by two magnetic conductors, wherein have at least one to be U-shaped structure magnetic conductor; Reverse force spring plate is installed under the off-state of contact to impelling the closing of contact that the position of auxiliary counter-force is provided.
Described static magnetic conductor parts are made of two U-shaped structure magnetic conductors, and two U-shaped structure magnetic conductors also together.
Described static magnetic conductor parts are made of a U-shaped structure magnetic conductor and a strip structure magnetic conductor, and the strip structure magnetic conductor is connected the centre of U-shaped structure magnetic conductor.
The movable magnetic conductor of described movable magnetic conductor parts is downward opening U-shaped structure.
The movable magnetic conductor of described movable magnetic conductor parts is an opening U-shaped structure up.
The movable magnetic conductor of described movable magnetic conductor parts is the J-shaped structure.
The movable magnetic conductor of described movable magnetic conductor parts is L shaped structure.
The movable magnetic conductor of described movable magnetic conductor parts is a slab structure.
Described coil is one, and coil winding is in the centre of static magnetic conductor parts.
Described coil is two, and two coil is wound on the both sides of static magnetic conductor parts respectively.
Described reverse force spring plate is to be fixed on the static magnetic conductor parts of E shape, and its elasticity free end withstands on the push card of impelling the closing of contact following of contact off-state.
Described reverse force spring plate is to be fixed on the push card, and its elasticity free end withstands on the static magnetic conductor parts that impel the closing of contact following of contact off-state.
The invention has the beneficial effects as follows, owing to adopted a coil, static magnetic conductor parts of one E shape and movable magnetic conductor parts constitute the magnetic circuit part of magnetic latching relay, and coil winding is on static magnetic conductor, between static magnetic conductor and coil, be provided with insulation material layer, movable magnetic conductor parts comprise a magnet steel and are connected the movable magnetic conductor with same structure of magnet steel both sides, two movable magnetic conductors of movable magnetic conductor parts with moving of movable magnetic conductor parts with different pole-faces that static magnetic conductor is contacted in move and replace, the static magnetic conductor parts of E shape are formed by connecting by two magnetic conductors, wherein have at least one to be U-shaped structure magnetic conductor, this " day " shape magnetic circuit system, solve the irregular problem of magnetic loop contact-making surface, promoted the stability of properties of product.The static magnetic conductor of its magnetic circuit part is a U type structure, and movable magnetic conductor is two identical U type or similar structures, has reduced the manufacture difficulty of part and the assembly difficulty and the precision of parts.Owing to installed reverse force spring plate additional in magnetic latching relay, and reverse force spring plate is installed under the off-state of contact to impelling the closing of contact that the position of auxiliary counter-force is provided, and the suction counter-force when making relay work tends to balance, and reliability is improved.
Below in conjunction with drawings and Examples the present invention is described in further detail; But a kind of magnetic latching relay of the present invention is not limited to embodiment.
Description of drawings
Fig. 1 a is the structural representation of existing magnetic latching relay;
Fig. 1 b is the structural representation of existing magnetic latching relay magnetic circuit part;
Fig. 2 a is embodiment one structure of the present invention (operate condition) schematic diagram;
Fig. 2 b is embodiment one structure of the present invention (involution state) schematic diagram;
Fig. 3 is embodiment two structural representations of the present invention;
Fig. 4 is embodiment three structural representations of the present invention;
Fig. 5 is embodiment four structural representations of the present invention;
Fig. 6 is embodiment five structural representations of the present invention;
Fig. 7 is embodiment six structural representations of the present invention;
Fig. 8 is embodiment seven structural representations of the present invention;
Fig. 9 is embodiment eight structural representations of the present invention;
Figure 10 is a structural representation of using magnetic latching relay embodiment of the present invention.
Embodiment
Embodiment one, and shown in Fig. 2 a, Fig. 2 b, a kind of magnetic latching relay of the present invention comprises magnetic circuit part, contact portion, reverse force spring plate, magnetic circuit part, contact portion, reverse force spring plate relative fixed.Magnetic circuit partly is provided with a coil 21, the static magnetic conductor parts 90 of an E shape and movable magnetic conductor parts 10.The static magnetic conductor parts 90 of E shape are formed by connecting by U-shaped magnetic conductor 11 and bar shaped magnetic conductor 12, coil 21 is wound on the bar shaped magnetic conductor 12, between bar shaped magnetic conductor 12 and coil 21, be provided with insulation material layer, insulating material can be injection-moulded in bar shaped magnetic conductor 12, also can be to wrap up or be coated on the bar shaped magnetic conductor 12.Movable magnetic conductor parts 10 are made up of two inverted U-shaped (being downward opening U-shaped structure) movable magnetic conductor 13, the movable magnetic conductor 15 of U-shaped, magnet steel 14 and push card 16.Contact portion is provided with quiet spring part 41, moving spring part 42.Magnetic circuit part, contact portion, reverse force spring plate 17 relative fixed.Magnet steel 14 is placed on the central authorities of two movable magnetic conductors 13, movable magnetic conductor 15, formed magnetic loop 51, the magnetic loop 52 of two basic symmetries in the magnetic circuit system, do not giving under the condition of coil 21 power supplies, there are two stable states in magnetic circuit system, i.e. action and involution state.Under operate condition, shown in Fig. 2 a, because the pole-face 11a of the pole-face 13a of movable magnetic conductor 13 and U-shaped magnetic conductor 11 fits, the pole-face 15b of movable magnetic conductor 15 and the pole-face 12b of bar shaped magnetic conductor 12 fit, form magnetic loop 51, the closing of contact makes relay remain on operate condition; Under operate condition, when instantaneous involution driving voltage being provided for coil 21, the magnetic field of the magnetic loop 61 opposing magnetic loops 51 that coil 21 produces, make the pole-face 13a of movable magnetic conductor 13 and the pole-face 11a of U-shaped magnetic conductor 11 break away from, the pole-face 15b of movable magnetic conductor 15 and the pole-face 12b of bar shaped magnetic conductor 12 break away from, and the pole-face 12a of the pole-face 13b of movable magnetic conductor 13 and bar shaped magnetic conductor 12 fits, the pole-face 15a of movable magnetic conductor 15 and the pole-face 11b of U-shaped magnetic conductor 11 fit, form magnetic loop 52, simultaneously, push card 16 promotes moving spring part 42, and the contact is disconnected, contact force provides auxiliary counter-force for impelling the contact to disconnect, and reverse force spring plate 17 is pressed.Remove the driving voltage of coil 21 afterwards, magnetic circuit remains on the involution state, shown in Fig. 2 b; Under the involution state, when instantaneous operation voltage being provided for coil 21, coil 21 produces magnetic loops 62, operation principle is the same, and magnetic circuit is returned to operate condition again, simultaneously, push card 16 promotes moving spring part 42, makes the closing of contact, and reverse force spring plate 17 provides auxiliary counter-force for impelling the closing of contact.And so forth, the contact component that drives relay cut-offs.
Embodiment two, and referring to shown in Figure 3, a kind of magnetic latching relay of the present invention is that with the difference of embodiment one static magnetic conductor parts 90 are made of two U-shaped structure magnetic conductors 11, two U-shaped structure magnetic conductors 11 and together.
Embodiment three, and referring to shown in Figure 4, a kind of magnetic latching relay of the present invention is with the difference of embodiment one, and the movable magnetic conductor 13 of movable magnetic conductor parts, movable magnetic conductor 15 are opening U-shaped structure up.
Embodiment four, and referring to shown in Figure 5, a kind of magnetic latching relay of the present invention is with the difference of embodiment one, and the movable magnetic conductor 13 of movable magnetic conductor parts, movable magnetic conductor 15 are the J-shaped structure.
Embodiment five, and referring to shown in Figure 6, a kind of magnetic latching relay of the present invention is with the difference of embodiment one, and the movable magnetic conductor 13 of movable magnetic conductor parts, movable magnetic conductor 15 are L shaped structure.
Embodiment six, and referring to shown in Figure 7, a kind of magnetic latching relay of the present invention comprises magnetic circuit part, contact portion, reverse force spring plate.This magnetic circuit partly is provided with a coil 21, the static magnetic conductor parts 90 of an E shape and movable magnetic conductor parts 10.The static magnetic conductor parts 90 of E shape are formed by connecting by U-shaped magnetic conductor 11 and bar shaped magnetic conductor 12.Be with the difference of embodiment one, movable magnetic conductor parts 10 are made up of two tabular movable magnetic conductors 13, tabular movable magnetic conductor 15, magnet steel 14, and two winding 21a, the winding 21b of coil 21 is wound on respectively on the two poles of the earth 11a, the 11b on the U-shaped magnetic conductor 11.
Embodiment seven, and referring to shown in Figure 8, a kind of magnetic latching relay of the present invention is that with the difference of embodiment one counter-force spring 17 is fixed on the static magnetic conductor parts 90 of E shape.
Embodiment eight, and referring to shown in Figure 9, a kind of magnetic latching relay of the present invention is that with the difference of embodiment one reverse force spring plate 17 is fixed on the push card 16.
Figure 10 has provided and has used electromagnetic relay of the present invention, comprises pedestal 3, quiet spring parts 41, moving spring parts 42, the static magnetic conductor parts 90 of E shape, movable magnetic conductor parts 10, reverse force spring plate 17, coil component 20.The static magnetic conductor parts 90 of E shape comprise U-shaped magnetic conductor 11 and bar shaped magnetic conductor 12, movable magnetic conductor parts 10 comprise movable magnetic conductor 13, the movable magnetic conductor 15 and magnet steel 14 that is installed in the push card 16, and coil component 20 comprises bobbin 22 and coil 21 on bobbin 22.Movable magnetic conductor parts 10, the static magnetic conductor parts 90 of E shape, coil component 20 can form symmetrical magnetic circuit.Reverse force spring plate 17 is installed on the pedestal 3.
The foregoing description only is used for further specifying a kind of magnetic latching relay of the present invention; but the present invention is not limited to embodiment; every foundation technical spirit of the present invention all falls in the protection range of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (8)
1. a magnetic latching relay is characterized in that: comprise magnetic circuit part, contact portion, reverse force spring plate, magnetic circuit part, contact portion, reverse force spring plate relative fixed;
Contact portion comprises quiet spring part, moving spring part;
Magnetic circuit partly comprises a coil, the static magnetic conductor parts of an E shape and movable magnetic conductor parts; Coil winding is provided with insulation material layer between static magnetic conductor parts and coil on static magnetic conductor parts; Movable magnetic conductor parts are arranged on the top of static magnetic conductor parts and partly link by a push card and moving spring; Movable magnetic conductor parts comprise a magnet steel and are connected two movable magnetic conductors with same structure of magnet steel both sides, two movable magnetic conductors of movable magnetic conductor parts with moving of movable magnetic conductor parts with different pole-faces that static magnetic conductor parts are contacted in move and replace; The static magnetic conductor parts of E shape are formed by connecting by two magnetic conductors, wherein have at least one to be U-shaped structure magnetic conductor; Reverse force spring plate is installed under the off-state of contact to impelling the closing of contact that the position of auxiliary counter-force is provided.
2. a kind of magnetic latching relay according to claim 1 is characterized in that: described static magnetic conductor parts are made of two U-shaped structure magnetic conductors, and two U-shaped structure magnetic conductors also together.
3. a kind of magnetic latching relay according to claim 1 is characterized in that: described static magnetic conductor parts are made of a U-shaped structure magnetic conductor and a strip structure magnetic conductor, and the strip structure magnetic conductor is connected the centre of U-shaped structure magnetic conductor.
4. according to claim 2 or 3 described a kind of magnetic latching relays, it is characterized in that: the movable magnetic conductor of described movable magnetic conductor parts is downward opening U-shaped structure or opening U-shaped structure or J-shaped structure or L shaped structure or slab structure up.
5. according to claim 2 or 3 described a kind of magnetic latching relays, it is characterized in that: described coil is one, and coil winding is in the centre of static magnetic conductor parts.
6. according to claim 2 or 3 described a kind of magnetic latching relays, it is characterized in that: described coil is two, and two coil is wound on the both sides of static magnetic conductor parts respectively.
7. a kind of magnetic latching relay according to claim 1 is characterized in that: described reverse force spring plate is to be fixed on the static magnetic conductor parts of E shape, and its elasticity free end withstands on the push card of impelling the closing of contact following of contact off-state.
8. a kind of magnetic latching relay according to claim 1 is characterized in that: described reverse force spring plate is to be fixed on the push card, and its elasticity free end withstands on the static magnetic conductor parts that impel the closing of contact following of contact off-state.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100091763A CN101335156B (en) | 2007-06-29 | 2007-06-29 | Magnet retaining relay |
| PCT/CN2008/071468 WO2009003399A1 (en) | 2007-06-29 | 2008-06-27 | Magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100091763A CN101335156B (en) | 2007-06-29 | 2007-06-29 | Magnet retaining relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101335156A CN101335156A (en) | 2008-12-31 |
| CN101335156B true CN101335156B (en) | 2010-10-13 |
Family
ID=40197668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100091763A Expired - Fee Related CN101335156B (en) | 2007-06-29 | 2007-06-29 | Magnet retaining relay |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101335156B (en) |
| WO (1) | WO2009003399A1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0920364B1 (en) * | 2009-02-04 | 2021-07-20 | Hongfa Holdings U.S., Inc. | ELECTROMAGNETIC RELAY WITH COIL, SWIVEL ARMOR AND SWITCHING ASSEMBLY |
| ES2564637T3 (en) * | 2009-02-04 | 2016-03-28 | Hongfa Holdings U.S., Inc. | Electromagnetic relay unit |
| DE102011002740A1 (en) * | 2011-01-17 | 2012-07-19 | Zf Friedrichshafen Ag | Induction generator and method of manufacturing an induction generator |
| CN102129934A (en) * | 2011-03-04 | 2011-07-20 | 厦门宏发电声股份有限公司 | Electromagnetic relay |
| CN103377857B (en) * | 2012-04-16 | 2016-01-13 | 泰科电子(深圳)有限公司 | Electromagnetic relay and switching device |
| CN104008923A (en) * | 2013-10-14 | 2014-08-27 | 安徽千恩智能科技股份有限公司 | Magnetic latching relay |
| CN104008922A (en) * | 2013-10-14 | 2014-08-27 | 安徽千恩智能科技股份有限公司 | Magnetic latching relay |
| CN104008926A (en) * | 2013-10-14 | 2014-08-27 | 安徽千恩智能科技股份有限公司 | Multi-contact direct-push type magnetic latching relay |
| CN104867783A (en) * | 2014-02-21 | 2015-08-26 | 深圳市深继电器有限公司 | Miniature mute low-power electromagnetic relay |
| CN108962689B (en) * | 2017-07-11 | 2023-11-17 | 厦门宏发电力电器有限公司 | Movable contact spring capable of improving anti-adhesion capability and breaking force and electromagnetic relay thereof |
| CN109585226B (en) * | 2018-11-30 | 2024-09-27 | 漳州宏发电声有限公司 | Impact-resistant and falling-resistant multi-contact electromagnetic relay |
| JP7100726B1 (en) | 2021-01-21 | 2022-07-13 | 松川精密股▲ふん▼有限公司 | Electromagnetic relay |
| CN114093718B (en) * | 2021-07-09 | 2024-10-18 | 厦门宏发电力电器有限公司 | Magnetic circuit part capable of improving initial electromagnetic attraction and high-voltage direct-current relay |
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|---|---|---|---|---|
| US5703550A (en) * | 1995-12-26 | 1997-12-30 | General Motors Corporation | Magnetic latching relay |
| CN2363375Y (en) * | 1999-01-15 | 2000-02-09 | 厦门宏发电声有限公司 | Large power magnet holding relay |
| US6046660A (en) * | 1999-04-07 | 2000-04-04 | Gruner; Klaus A. | Latching magnetic relay assembly with a linear motor |
| CN2606444Y (en) * | 2003-03-19 | 2004-03-10 | 乐清市申乐继电器有限公司 | Magnetic latching relay |
| CN2750456Y (en) * | 2004-11-16 | 2006-01-04 | 乐清市格蕾特电子电器有限公司 | Magnetic latching relay |
| US20070075809A1 (en) * | 2005-10-02 | 2007-04-05 | Jun Shen | Electromechanical Latching Relay and Method of Operating Same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT388467B (en) * | 1987-08-27 | 1989-06-26 | Schrack Elektronik Ag | RELAY DRIVE FOR A POLARIZED RELAY |
| CN100403475C (en) * | 2005-02-03 | 2008-07-16 | 厦门宏发电声有限公司 | Electromagnetic relay with spring pushing structure |
-
2007
- 2007-06-29 CN CN2007100091763A patent/CN101335156B/en not_active Expired - Fee Related
-
2008
- 2008-06-27 WO PCT/CN2008/071468 patent/WO2009003399A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5703550A (en) * | 1995-12-26 | 1997-12-30 | General Motors Corporation | Magnetic latching relay |
| CN2363375Y (en) * | 1999-01-15 | 2000-02-09 | 厦门宏发电声有限公司 | Large power magnet holding relay |
| US6046660A (en) * | 1999-04-07 | 2000-04-04 | Gruner; Klaus A. | Latching magnetic relay assembly with a linear motor |
| CN2606444Y (en) * | 2003-03-19 | 2004-03-10 | 乐清市申乐继电器有限公司 | Magnetic latching relay |
| CN2750456Y (en) * | 2004-11-16 | 2006-01-04 | 乐清市格蕾特电子电器有限公司 | Magnetic latching relay |
| US20070075809A1 (en) * | 2005-10-02 | 2007-04-05 | Jun Shen | Electromechanical Latching Relay and Method of Operating Same |
Non-Patent Citations (2)
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| JP特开2006-278057A 2006.10.12 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101335156A (en) | 2008-12-31 |
| WO2009003399A1 (en) | 2009-01-08 |
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Granted publication date: 20101013 Termination date: 20160629 |