公开(公告)号：US5610381A

公开(公告)日：1997-03-11

申请号：US553754

申请日：1995-10-23

申请人： Eisaku Mizufune ,  Kenichi Natsui ,  Yukio Kurosawa ,  Goro Daimon ,  Yoshihito Asai ,  Katsuichi Kashimura ,  Osamu Koyanagi ,  Kogi Ishikawa

发明人： Eisaku Mizufune ,  Kenichi Natsui ,  Yukio Kurosawa ,  Goro Daimon ,  Yoshihito Asai ,  Katsuichi Kashimura ,  Osamu Koyanagi ,  Kogi Ishikawa

IPC分类号： H01H33/91 ,  H01H9/52 ,  H01H33/16 ,  H01H33/915 ,  H01H33/88

CPC分类号： H01H33/16 ,  H01H2009/526 ,  H01H9/52

摘要： A compression gas puffer type circuit breaker has a magnetic body surrounding a conductor between a stationary arc contact and a main bus conductor. The magnetic body is protected from being exposed to heated puffer gas generated when a movable arc contact is separated from the stationary arc contact by disposing an insulator partition plate supporting the conductor at the downstream end of a cylindrical contact base carrying a main stationary contact and upstream of the magnetic body. Conductors are disposed around the magnetic body so as to increase flux linkage with the magnetic body when an arcing current flows through the conductor during a circuit breaking operation.

摘要翻译： 压缩气体吹气式断路器具有围绕固定电弧触点和主母线导体之间的导体的磁体。 通过在承载主固定触点和上游的圆筒形接触基底的下游端设置支撑导体的绝缘体分隔板，可以防止磁体暴露于当可动电弧触点与固定电弧触点分离时产生的加热的河豚气体 的磁体。 导体在磁体周围设置，以便在断路操作期间当电弧流过导体时增加与磁体的磁通。

公开(公告)号：US5391930A

公开(公告)日：1995-02-21

申请号：US887937

申请日：1992-05-26

申请人： Youichi Ohshita ,  Katuichi Kashimura ,  Akira Hashimoto ,  Osamu Koyanagi ,  Yukio Kurosawa ,  Isao Nishida

发明人： Youichi Ohshita ,  Katuichi Kashimura ,  Akira Hashimoto ,  Osamu Koyanagi ,  Yukio Kurosawa ,  Isao Nishida

IPC分类号： H01H33/16 ,  H01H33/24

CPC分类号： H01H33/168 ,  H01H33/24 ,  Y10T307/76

摘要： A circuit breaker with a parallel resistor which fulfills with a simple structure incompatible requirements for a resistance circuit making contact with regard to maintenance of the dielectric strength and prearcing characteristic between electrodes. A resistance circuit making contact 2 and a resistance circuit breaking contact 3 are electrically connected in parallel, one end of the parallel circuit is connected to one end of a common resistor and the other end of the parallel circuit and the other end of the resistor are connected to the respective ends of a main contact 1. After the opening of the resistance circuit making contact 2 the resistance circuit breaking contact 3 is still closed.

摘要翻译： 具有并联电阻器的断路器，其结构简单，与电阻电路不兼容的要求相关，以保持电极之间的介电强度和预焊特性。 使接点2和电阻断路触头3的电阻电路并联电连接，并联电路的一端连接到公共电阻的一端，并联电路的另一端和电阻的另一端 连接到主触点1的相应端。在电阻回路接通2打开之后，电阻断路触点3仍然闭合。

公开(公告)号：US5229561A

公开(公告)日：1993-07-20

申请号：US838335

申请日：1992-02-20

申请人： Yasuharu Seki ,  Masanori Tsukushi ,  Akira Hashimoto ,  Yukio Kurosawa

发明人： Yasuharu Seki ,  Masanori Tsukushi ,  Akira Hashimoto ,  Yukio Kurosawa

IPC分类号： H01H33/74 ,  H01H33/70 ,  H01H33/90 ,  H01H33/91 ,  H01H33/915

CPC分类号： H01H33/901 ,  H01H2033/902 ,  H01H33/7061

摘要： A puffer type gas circuit breaker includes arc extinguishing gas filled in the interior of the gas circuit breaker, fixed contact, a movable contact disposed in an opposed relationship with respect to the fixed contact so as to come into contact therewith, a fixed piston and a drive shaft slidably extends through the fixed piston, and drives the movable contact toward and away from the fixed contact. A puffer cylinder is slidably fitted on the fixed piston, with the puffer cylinder cooperating with the fixed piston to define a puffer chamber, within the puffer cylinder. An outer cylinder is mounted on an outer periphery of the puffer cylinder to form a thermal puffer chamber outside the puffer cylinder. A cover covers an outer surface of the movable contact, with a first insulating nozzle surrounding the cover to form a first gas flow passage for guiding the arc extinguishing gas from the puffer chamber to an arc generating portion. A second insulating nozzle surrounds the first insulating nozzle to form a second gas flow passage for guiding the arc extinguishing gas from the thermal puffer chamber to the arc generating portion.

公开(公告)号：US5153518A

公开(公告)日：1992-10-06

申请号：US578798

申请日：1990-09-07

申请人： Minori Satoh ,  Isao Takahashi ,  Yukio Kurosawa ,  Kastuichi Kashimura ,  Kunio Hirasawa

发明人： Minori Satoh ,  Isao Takahashi ,  Yukio Kurosawa ,  Kastuichi Kashimura ,  Kunio Hirasawa

IPC分类号： G01R31/327 ,  G01R31/333

CPC分类号： G01R31/3336

摘要： The invention relates to a synthetic equivalent test circuit which can generate a 4-parameter transient recovery voltage TRV, for verifying a large current breaking performance of a power circuit breaker. A current source current is supplied to only a testing circuit breaker which is to be tested and an auxiliary circuit breaker. A small current with respect to the current source current is transmitted to the first and second auxiliary switches from a power source. When the small current form the current source or the resonance circuit flows, the first auxiliary switch is opened almost simultaneously with the auxiliary circuit breaker, the testing circuit breaker and operates so as to break the current at the time point of the final zero point of the current source current. Therefore, the connection of the voltage source circuit just before the final zero point of the current source current, that is, the current supply of the voltage source current and the breaking of a capacitor circuit current by the first auxiliary switch generates a 4-parameter TRV that can be accomplished easily.

公开(公告)号：US5079392A

公开(公告)日：1992-01-07

申请号：US543440

申请日：1990-06-26

申请人： Masanori Tsukushi ,  Osamu Koyanagi ,  Yashuharu Seki ,  Yukio Kurosawa

发明人： Masanori Tsukushi ,  Osamu Koyanagi ,  Yashuharu Seki ,  Yukio Kurosawa

IPC分类号： H01H33/90 ,  H01H33/91 ,  H01H33/915

CPC分类号： H01H33/91 ,  H01H33/901

摘要： A gas circuit breaker comprising a pair of contactors contact portions of which are separable relatively from each other, an insulating nozzle of an electrically insulating material surrounding the contact portions of said contactors so as to guide a flow of gas, and a puffer chamber for compressing the gas in conjunction with a separating operation of the contact portions so as to supply it under guidance of the insulating nozzle, the gas from the puffer chamber being exhausted through exhaust passages passing through a hollow portion of the one contactor located within the insulating nozzle, wherein the exhaust passages are formed between the puffer chamber and the one contactor, and the gas circuit breaker further comprises block means serving to close during an initial stage of the separating operation and open afterward exhaust ports formed at ends of the exhaust passages located on the downstream side of the gas flow. This makes it possible to reduce the flow resistance to the gas flow used for arc extinguishment in cooperation with an arc-extinguishing gas flow passing through a throat portion of the insulating nozzle as well as to reduce a force required for operation.

公开(公告)号：US5079391A

公开(公告)日：1992-01-07

申请号：US604227

申请日：1990-10-29

申请人： Osamu Koyanagi ,  Masanori Tsukushi ,  Yasuharu Seki ,  Yukio Kurosawa

发明人： Osamu Koyanagi ,  Masanori Tsukushi ,  Yasuharu Seki ,  Yukio Kurosawa

IPC分类号： H01H33/70 ,  H01H33/91 ,  H01H33/915

CPC分类号： H01H33/91 ,  H01H33/7015

摘要： A puffer type gas circuit breaker having at least one pair of a stationary contact and a movable contact capable of being separated from each other, a pressure producing section including a puffer cylinder and a puffer piston. The puffer cylinder is connected to the movable contact and serves to compress an arc extinguishing gas blown to an arc generated between the contacts at the time of current breaking. The breaker also has a cover surrounding the movable contact, an insulated nozzle extending from the puffer cylinder and surrounding the cover and the stationary contact to form a flow passage through which the compressed gas is supplied from the puffer cylinder to the generated arc, and a flow straightening member provided in said flow passage. The flow straightening member extends from the puffer cylinder and is mounted on the cover, and the flow passage has an expanded section having a gas flow sectional area larger than that of the section of the flow passage upstream of the expanded section.

摘要翻译： 一种吹气式气体断路器，其具有至少一对固定触点和能够彼此分离的可动触头，压力产生部分包括吹气缸和冲压活塞。 吹气圆筒连接到可动触头，用于在当前断裂时压缩在触头之间产生的电弧中被吹送的灭弧气体。 断路器还具有围绕可动触头的盖，从吹气缸延伸并围绕盖和固定触点的绝缘喷嘴，以形成流动通道，压缩气体通过该流路从吹气缸供应到产生的电弧， 设置在所述流路中的流动矫直构件。 流动矫正构件从吹气缸延伸并安装在盖上，并且流动通道具有膨胀部分，其具有比扩张部分上游的流动通道部分的气体流动截面积大的膨胀部分。

公开(公告)号：US5039831A

公开(公告)日：1991-08-13

申请号：US328559

申请日：1989-03-24

申请人： Minori Sato ,  Kastuichi Kashimura ,  Masanori Tsukushi ,  Yukio Kurosawa ,  Kazuhiro Saito ,  Osamu Koyanagi ,  Isao Nishida

发明人： Minori Sato ,  Kastuichi Kashimura ,  Masanori Tsukushi ,  Yukio Kurosawa ,  Kazuhiro Saito ,  Osamu Koyanagi ,  Isao Nishida

IPC分类号： H01H33/16 ,  H01H33/24 ,  H02B11/26

CPC分类号： H02B11/26 ,  H01H33/16 ,  H01H33/24 ,  H02B13/035

摘要： In a circuit breaker in which an interrupting device, a resistor device and a capacitor device are connected in parallel, a shield device is arranged to shield the interrupting device and the resistor device and comprises a first shield for shielding the stationary main contact and stationary resistor contact and a second shield for shielding the movable main contact and movable resistor contact. Each of the first shield and the second shield comprises a large shield portion and a small shield portion, and the small shield portions are arranged between the large shield portions. The small shield portion terminates in the vicinity of the top of the main contact and of the top of the resistor contact. The small shield portion comprises wide portions situated substantially in the direction of an axis joining centers of the main contact and resistor contact and narrow portions situated substantially in the direction perpendicular to the axis. The width of the narrow portions is smaller than the width of the wide portions, and at least a part of the capacitor device is arranged over the narrow portions.In the circuit breaker, since the capacitor device is arranged over the narrow portions, the space for arranging the capacitor device is larger than the conventional circuit breaker, the arrangement of the isoelectric liens is not disturbed or disordered locally in the vicinity of the top of the shield of the stationary main contact and in the vicinity of the movable main contact and high dielectric strength between the main contacts is obtained.

公开(公告)号：US5012051A

公开(公告)日：1991-04-30

申请号：US433956

申请日：1989-11-09

申请人： Masanori Tsukushi ,  Osamu Koyanagi ,  Yasuharu Seki ,  Tokio Goto ,  Yukio Kurosawa

发明人： Masanori Tsukushi ,  Osamu Koyanagi ,  Yasuharu Seki ,  Tokio Goto ,  Yukio Kurosawa

IPC分类号： H01H33/915 ,  H02B13/035

CPC分类号： H02B13/0352

摘要： Breaker units (3, 4) of three-phases are enclosed in a common container (25). The three-phase breaker units and lead conductors (27a, 28a) connected to both ends of the breaker units are arranged on imaginary straight lines that are in parallel each other nearly passing through vertexes of an equilateral triangle. A common operation unit (7) for driving the three-phase breaker units is accommodated outside the container (25) and juxtaposed at a position opposed to one side (28b-28c) of the equilateral triangle. A zero-phase sequence current transformer (ZCT) is provided surrounding the lead conductors of three phases outside the container.

公开(公告)号：US4713585A

公开(公告)日：1987-12-15

申请号：US911790

申请日：1986-09-26

申请人： Yasunori Ohno ,  Tomoe Kurosawa ,  Tadashi Sato ,  Yukio Kurosawa ,  Yoshimi Hakamata

发明人： Yasunori Ohno ,  Tomoe Kurosawa ,  Tadashi Sato ,  Yukio Kurosawa ,  Yoshimi Hakamata

IPC分类号： H01J27/08 ,  H01J27/14 ,  H01J27/18 ,  H01J37/08 ,  H01J7/24

CPC分类号： H01J27/14 ,  H01J27/18 ,  H01J37/08

摘要： An ion source for producing an ion beam utilized for fabrication and processing of semiconductors, thin films or the like includes a plasma producing chamber equipped with first magnetic means for limiting a plasma region and a plasma expansion chamber provided in combination with the plasma producing chamber on the side where a beam extracting electrode is disposed. The plasma expansion chamber is provided with second magnet array for confining and holding a plasma region therein which is of a larger area than that of the plasma region formed in the plasma producing chamber.

摘要翻译： 用于制造用于半导体，薄膜等的制造和加工的离子束的离子源包括：等离子体产生室，其配备有用于限制等离子体区域的第一磁性装置和与等离子体产生室组合设置的等离子体膨胀室 设置光束提取电极的一侧。 等离子体膨胀室设置有第二磁体阵列，用于限制和保持其中等离子体区域的面积大于等离子体产生室中形成的等离子体区域的面积。

公开(公告)号：US4551596A

公开(公告)日：1985-11-05

申请号：US478306

申请日：1983-03-24

申请人： Ryuji Watanabe ,  Hisashi Ando ,  Keiichi Kuniya ,  Yukio Kurosawa

发明人： Ryuji Watanabe ,  Hisashi Ando ,  Keiichi Kuniya ,  Yukio Kurosawa

IPC分类号： H01H33/66 ,  H01H1/02 ,  H01H1/0233 ,  H01H33/664

CPC分类号： H01H33/664 ,  H01H1/0203 ,  H01H1/0233

摘要： A small-sized, light weighted vacuum circuit interrupter is provided. The interrupter comprises a vacuum container confining a vacuum atmosphere of a pressure less than 10.sup.-5 mmHg and a pair of electrodes at least one of which is a movable electrode for making and breaking an electric circuit including either a transformer of a rated surge voltage strength of less than 45 kV or a motor of a rated surge voltage strength of less than 25 kV. At least one of the electrodes has a contact made of a porous body of a refractory conductive material and an impregnate selected from the group consisting of silver telluride, silver selenide and mixtures thereof impregnated in the porous body in an amount sufficient to give the interrupter a chopping current of not more than 1A and an arc extinguishing capability at 1MHz of not more than 27 A/.mu.s when measured in a circuit of 6 kV. The interrupter can be connected to the load without a surge absorber for protecting the breaker from a surge voltage generated at the time of interrupting the circuit.

摘要翻译： 提供了一个小型轻型真空断路器。 断流器包括限制压力小于10-5mmHg的真空气氛的真空容器和一对电极，其中至少一个是可动电极，用于制造和断开包括额定浪涌电压强度的变压器的电路 小于45kV的电动机或额定浪涌电压强度小于25kV的电动机。 所述电极中的至少一个具有由耐火导电材料的多孔体制成的接触体和浸渍在多孔体中的浸渍剂，所述浸渍物选自碲化镉，硒化银及其混合物，其量足以给断流器a 在6 kV的电路中测量时，斩波电流不大于1A，1MHz时的灭弧能力不大于27 A /μs。 断路器可以连接到负载而没有浪涌吸收器，用于保护断路器免受中断电路时产生的浪涌电压。