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1. 发明公开

EP3982389A1 VACUUM CIRCUIT BREAKER 有权
公开(公告)号：EP3982389A1
公开(公告)日：2022-04-13
申请号：EP19931672.0
申请日：2019-06-07
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： YOSHITOMO, Yuji , SUGINO, Kazuki
IPC分类号： H01H33/666 , H02B13/035
摘要： A vacuum circuit breaker includes: an insulating rod (18) disposed within a grounded tank (5); a drive conductor (17) connected to the insulating rod (18); a first bushing (4a) and a second bushing (4b) connected to the side of the grounded tank (5); vacuum valves (2, 3) including movable contacts (2b, 3b); levers (10, 11) rotatably coupled at end portions (10a, 11a) on one side to the insulating rod (18) or the drive conductor (17); movable conductors (16a, 16b) electrically connected at end portions (162a, 162b) on one side to the movable contacts (2b, 3b); and links (14, 15) rotatably coupled at end portions (141, 151) on one side to the end portions (161a, 161b) on the other side of the movable conductors (16a, 16b) and rotatably coupled at end portions (142, 152) on the other side to the end portions (10b, 11b) on the other side of the levers (10, 11).

2. 发明公开

EP3584816A1 GAS CIRCUIT BREAKER 有权
公开(公告)号：EP3584816A1
公开(公告)日：2019-12-25
申请号：EP17896477.1
申请日：2017-02-20
申请人： Mitsubishi Electric Corporation
发明人： YAMADA, Daisaku , ADACHI, Masataka , NAKAMURA, Yasunori , YOSHITOMO, Yuji , YOSHIDA, Daisuke
IPC分类号： H01H33/70 , H01H33/53
摘要： A gas circuit breaker includes: a fixed arc contact (3) extending along an operating axis (30); a moving arc contact (4) allowed to move to a position where the moving arc contact (4) contacts the fixed arc contact (3) and a position where the moving arc contact (4) is separated from the fixed arc contact (3); a frame (6) forming a puffer chamber (7) around the moving arc contact (4); a nozzle (8) having a cylindrical shape centered on the operating axis (30), the nozzle (8) being fixed to the frame (6) and projecting in a direction toward the fixed arc contact (3) from the moving arc contact (4); and an arc extinction assisting portion (11) provided on an inner surface of the nozzle (8) and made of an ablation material. The nozzle (8) and the arc extinction assisting portion (11) are provided with a fall-off preventing portion to prevent the arc extinction assisting portion (11) from falling off the nozzle (8).

3. 发明公开

EP3920203A1 VACUUM-CIRCUIT BREAKER 有权
公开(公告)号：EP3920203A1
公开(公告)日：2021-12-08
申请号：EP19912583.2
申请日：2019-01-31
申请人： Mitsubishi Electric Corporation
发明人： YOSHITOMO, Yuji , SUGINO, Kazuki
IPC分类号： H01H33/53 , H01H33/66
摘要： Included are a vacuum valve (4) that is insulated and supported inside a grounded tank (1), a movable-side frame (15) connecting a lower end of a movable-side external conductor (23) to a movable conductor (20), a stationary-side frame (16) connecting a lower end of a stationary-side external conductor (24) to a stationary conductor (21), a movable-side insulating support tube (9) that supports the movable-side frame (15) and insulates thereof from the grounded tank (1), a stationary-side insulating support tube (10) that supports the stationary-side frame (16) and insulates thereof from the grounded tank (1), a movable-side flange (2a) covering a movable-side end of the grounded tank (1), and a rubber piece (17) on an inner peripheral surface of the movable-side flange (2a). The movable-side insulating support tube (9) is supported, at an end opposite from an end connected to the movable-side frame (15), by the movable-side flange (2a) via the rubber piece (17) and is movable along an axis and a radius of an arc-extinguishing chamber (3).

4. 发明公开

EP3407371A1 GAS CIRCUIT BREAKER 有权
公开(公告)号：EP3407371A1
公开(公告)日：2018-11-28
申请号：EP16886271.2
申请日：2016-01-19
申请人： Mitsubishi Electric Corporation
发明人： ADACHI, Masataka , NAKAMURA, Yasunori , YOSHITOMO, Yuji , YOSHIDA, Daisuke
IPC分类号： H01H33/915 , H02B13/035 , H02B13/055
CPC分类号： H02B13/035 , H01H33/91 , H01H2033/888 , H02B13/055
摘要： A gas circuit breaker (50) includes: a first tank (10) filled with an insulating gas; a fixed contact (1) provided inside the first tank (10); a movable contact (2) provided inside the first tank (10) and movable between a position in contact with the fixed contact (1) and a position separated from the fixed contact (1); a nozzle (5) that ejects the insulating gas toward the fixed contact (1) when the movable contact (2) moves in a first direction, the first direction being a direction in which the movable contact (2) moves from the position in contact with the fixed contact (1) to the position separated from the movable contact (2); a cylindrical body (6) that guides the gas ejected from the nozzle (5) in a second direction, the second direction being a direction opposite to the first direction; and a second tank (20) connected to the first tank (10) in the second direction.

5. 发明授权

EP2418669B1 GAS INSULATION DEVICE 有权转让
标题翻译：气体绝缘装置
公开(公告)号：EP2418669B1
公开(公告)日：2014-08-20
申请号：EP10761289.7
申请日：2010-01-28
申请人： Mitsubishi Electric Corporation
发明人： YOSHITOMO, Yuji , YAMASHITA, Toru , TAKEUCHI, Toshie , KAWADA, Makiko , TSURIMOTO, Takao , YAMAMOTO, Shigeyuki , KUBO, Kazuki , MIYAMOTO, Takashi
IPC分类号： H01H33/02 , C08J5/04 , B29C70/44 , B29C70/22
CPC分类号： B29C70/443 , B29C70/22 , B29C70/446 , B29K2077/10 , B29K2709/08 , B29K2995/0067 , B29L2023/22 , C08J5/043 , C08J5/046 , C08J5/24 , C08J2361/06 , C08J2363/00 , C08J2367/06 , H01H33/021

6. 发明公开

EP2418669A1 GAS INSULATION DEVICE 有权转让
标题翻译：气体绝缘装置
公开(公告)号：EP2418669A1
公开(公告)日：2012-02-15
申请号：EP10761289.7
申请日：2010-01-28
申请人： Mitsubishi Electric Corporation
发明人： YOSHITOMO, Yuji , YAMASHITA, Toru , TAKEUCHI, Toshie , KAWADA, Makiko , TSURIMOTO, Takao , YAMAMOTO, Shigeyuki , KUBO, Kazuki , MIYAMOTO, Takashi
IPC分类号： H01H33/42 , B32B5/28 , C08J5/04 , H01B17/56
CPC分类号： B29C70/443 , B29C70/22 , B29C70/446 , B29K2077/10 , B29K2709/08 , B29K2995/0067 , B29L2023/22 , C08J5/043 , C08J5/046 , C08J5/24 , C08J2361/06 , C08J2363/00 , C08J2367/06 , H01H33/021
摘要： When electric discharging occurs inside a gas insulated apparatus in which sulfur hexafluoride is filled, hydrogen-fluoride gas is generated, which abrades a part formed of glass fiber reinforced plastics included in the apparatus. Previously, resin for preventing the abrasion has been coated on the surface of the part; however, a problem has occurred that the coating film peels off. Organic fiber woven cloth woven using organic fibers such as aramid fibers or the like having hydrogen fluoride resistance and mechanical toughness is wrapped around the surface of glass fiber reinforced plastics (11), and thermosetting resin is wettably impregnated into weave patterns of the organic fiber woven cloth and then heat cured; thereby, an abrasion-preventing protection layer (12) that does not peel off is formed.
摘要翻译：当在其中充满六氟化硫的气体绝缘装置内发生放电时，会产生氟化氢气体，这会磨损由装置中包含的玻璃纤维增强塑料形成的部分。以前，用于防止磨损的树脂已经涂覆在部件的表面上; 然而，发生涂膜剥落的问题。使用具有耐氟化氢性和机械韧性的芳族聚酰胺纤维等有机纤维织成的有机纤维织物被缠绕在玻璃纤维增强塑料（11）的表面上，并且热固性树脂被润湿地浸渍到有机纤维织物布再热固化; 由此形成不会剥落的防磨损保护层（12）。

7. 发明公开

EP4092707A1 GAS CIRCUIT BREAKER 审中-公开
公开(公告)号：EP4092707A1
公开(公告)日：2022-11-23
申请号：EP20913739.7
申请日：2020-01-17
申请人： Mitsubishi Electric Corporation
发明人： SATO, Koma , YOSHITOMO, Yuji
IPC分类号： H01H33/04
摘要： There are included: a cylindrical tank (20); a stator (30) fixed inside the tank (20); and a mover (40) disposed in such a way as to face the stator (30), the mover (40) being movable between a closing position and a cutoff position, the mover (40) being in contact with the stator (30) when located in the closing position, the mover (40) being out of contact with the stator (30) when located in the cutoff position, wherein the stator (30) includes: a stator-side main contact (8) fixed inside the tank (20); a stator-side resistance contact (5) having a ring shape surrounding the stator-side main contact (8); and a spring (12) and a dashpot (13) supporting the stator-side resistance contact (5) from a direction opposite to a direction in which the stator-side resistance contact (5) faces the mover (40), the mover (40) includes: a mover-side main contact (7) disposed in such a way as to face the stator-side main contact (8); and a mover-side resistance contact (3) disposed in such a way as to face the stator-side resistance contact (5), and in a state where the mover (40) is located in the cutoff position, a distance between the mover-side resistance contact (3) and the stator-side resistance contact (5) is less than a distance between the mover-side main contact (7) and the stator-side main contact (8).

8. 发明公开

EP4006940A1 SWITCH 审中-实审
公开(公告)号：EP4006940A1
公开(公告)日：2022-06-01
申请号：EP19939172.3
申请日：2019-07-31
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： SATO, Motohiro , SUGINO, Kazuki , YOSHITOMO, Yuji
IPC分类号： H01H33/666 , H01H33/42
摘要： A vacuum circuit breaker (100) serving as a switch includes a pair of electrodes that serve as a stationary electrode (2) and a movable electrode (3), a handler (4) including a movable shaft (18) and a housing (19) that operate as a first mover in withdrawing the movable electrode (3) from the stationary electrode (2) and closing the movable electrode (3) toward the stationary electrode (2), a movable shaft (21) that is connected as a second mover to the movable electrode (3), a coil spring (14) that is connected as an elastic between the first mover and the second mover to press the movable electrode (3) against the stationary electrode (2), and a shock absorber (8) that attenuates as an attenuator contraction of the elastic when the movable electrode (3) is withdrawn from the stationary electrode (2).

9. 发明授权

EP3244434B1 GAS CIRCUIT BREAKER 有权
公开(公告)号：EP3244434B1
公开(公告)日：2019-09-04
申请号：EP15876840.8
申请日：2015-01-07
申请人： Mitsubishi Electric Corporation
发明人： NAKAMURA, Yasunori , YOSHITOMO, Yuji , YOSHIDA, Daisuke
IPC分类号： H01H33/91 , H01H33/90 , H01H33/76

10. 发明公开

EP3244434A1 GAS CIRCUIT BREAKER 有权
标题翻译：燃气断路器
公开(公告)号：EP3244434A1
公开(公告)日：2017-11-15
申请号：EP15876840.8
申请日：2015-01-07
申请人： Mitsubishi Electric Corporation
发明人： NAKAMURA, Yasunori , YOSHITOMO, Yuji , YOSHIDA, Daisuke
IPC分类号： H01H33/915
CPC分类号： H01H33/91 , H01H33/08 , H01H33/76 , H01H33/901 , H01H33/905 , H01H2033/908
摘要： A gas circuit breaker (1) includes a rod-shaped fixed arc contact (3), a cylindrical movable arc contact (5) to contact or be separated from the fixed arc contact (3), a heat puffer chamber (20) storing an arc-extinguishing gas to be blown to an arc (30) generated between the fixed arc contact (3) and the movable arc contact (5), and an insulator (15) received within a receiving hole (14) formed in a distal end part of the fixed arc contact (3). An end surface of the insulator (15) on a side of the movable arc contact (5) faces the side of the movable arc contact (5) via an opening end (33) of the housing hole (14), the end surface on the side of the movable arc contact (5) is disposed closer to the inside of the housing hole (14) than the opening end (33) is, and the insulator is made of an ablation material that is vaporized by heat of the arc (30).
摘要翻译：一种气体断路器（1），包括：棒状固定电弧触点（3）;与固定电弧触点（3）接触或分离的圆柱状可动电弧触点（5）;热膨胀室（20）将灭弧气体吹到在固定电弧触点（3）和可动电弧触点（5）之间产生的电弧（30）;以及绝缘体（15），该绝缘体容纳在形成在远端的接收孔（14）部分固定电弧触点（3）。绝缘体15的可动电弧触点5侧的端面经由收容孔14的开口端33面向可动电弧触点5侧，可动电弧触头5的侧部比开口端部33更靠近容纳孔14的内侧，绝缘体由通过电弧的热量而蒸发的烧蚀材料构成（ 30）。

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