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公开(公告)号：US4549153A
公开(公告)日：1985-10-22
申请号：US528949
申请日：1983-09-02
CPC分类号： H01H77/108 , H01H1/5822
摘要： A residential or commercial circuit breaker of the narrow width type, typically having a width of 3/4 inch or 1 inch, is provided with a magnetically permeable slot motor 102 mounted within the case 2 and around both current carrying conductors 8 and 12 for concentrating magnetic repulsive force and boosting the contact separating force.
摘要翻译： 通常具有3/4英寸或1英寸宽度的窄宽度类型的住宅或商用断路器设置有安装在壳体2内并且围绕两个载流导体8和12聚集的导磁槽电动机102 磁力排斥力和增强接触分离力。
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2.发明授权Constant load snap switch with manual or automatic reset, stop and test selection 失效恒定负载快速开关，具有手动或自动复位，停止和测试选择
公开(公告)号：US4520244A
公开(公告)日：1985-05-28
申请号：US453208
申请日：1982-12-27
CPC分类号： H01H5/18
摘要： A constant load and constant contact force snap-action switch having a normally-closed movable operate contact on a flipper blade which has a compression strip that snaps through an S-curvature to a reverse buckled state to trip the operate contact open. The flipper blade is coupled through an insulating cap to the leaf spring mounted movable alarm contact to close the latter at the same time. A return spring biased reset lever resets the operate contacts on depression down a first amount, opens the operate contact without closing the alarm contacts on depression down a second amount for stop purposes, and trips the operate contacts open on lifting upwards for test purposes. On reset, lost motion in the coupling cap knocks the alarm contact open if welded. A selector is settable to select any of three functions for the reset lever, (1) reset-stop-test, (2) auto reset stop, or (3) reset test.
摘要翻译： 一种恒定载荷和恒定的接触力快动开关，其具有在引导片上具有常闭可动操作触头，所述触发板具有压缩条，所述压缩条通过S形曲率抵接到反向弯曲状态以使操作触点断开。 导板叶片通过绝缘盖连接到板簧安装的可动报警触点，以同时闭合。 复位弹簧偏置复位杆在按住第一个量的情况下复位操作触点，打开操作触点，而不用关闭报警触点，按住第二个数量用于停止，并且为了测试目的而向上提起操作触点。 复位时，联轴器帽中的运动会在焊接时将报警触点打开。 选择器可设置为复位杆的三个功能中的任何一个，（1）复位停止测试，（2）自动复位停止或（3）复位测试。
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公开(公告)号：US4511774A
公开(公告)日：1985-04-16
申请号：US559503
申请日：1983-12-08
申请人： Kenneth A. Forsell
发明人： Kenneth A. Forsell
摘要： Current limiting stationary (2) and movable (6) contacts are arranged to provide spaced, parallel oppositely directed current paths therein whereby fault currents generate electromagnetic forces for repelling the movable contact (6) from the stationary contact (2). An electrically resistive arc runner (20) has an arc transfer segment (20a) disposed along the path of movement of the movable contact (6) and is biased at one end (20b) into current carrying engagement with a stop (22) on stationary contact (2). The other end of the transfer segment (20a) is connected through a major length of the arc runner (20) to the stationary contact (2) at a point distinct from stop (22). An arc drawn between the contacts (2, 6) at separation initially passes current to the transfer segment (20a) and the stationary contact (2) through stop (22). Gas pressure from the arc subsequently forces a separation of the arc runner end (20b) from the stop (22) whereby current is directed through the major length of the arc runner to the stationary contact for increasing the resistance of the arc for extinguishing the arc.
摘要翻译： 电流限制固定（2）和可动（6）触点布置成在其中提供间隔开的平行的相对定向的电流路径，由此故障电流产生用于从静触点（2）排斥可动触头（6）的电磁力。 电阻电弧流道（20）具有沿着可移动触点（6）的移动路径设置的电弧传输段（20a），并且在一端（20b）处被偏置成与静止位置（22）的电流承载接合 联系人（2）。 转移段（20a）的另一端通过电弧流道（20）的主要长度在与止挡（22）不同的点处连接到固定触头（2）。 在分离时在触头（2,6）之间引出的电弧首先通过止动件（22）将电流传递到传递段（20a）和固定触点（2）。 来自电弧的气体压力随后迫使电弧流道端部（20b）与止动件（22）分离，由此电流通过电弧流道的主要长度被引导到固定触点，以增加电弧的电阻以熄灭电弧 。
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公开(公告)号：US4462657A
公开(公告)日：1984-07-31
申请号：US384838
申请日：1982-06-04
IPC分类号： H01R13/187
CPC分类号： H01R13/187 , Y10S439/927
摘要： A plurality of coil springs (6) are secured to the flat inner surfaces (4a) of a jaw type connector (12) to receive a flat conductor (20, 24) such as a bus bar between the opposed springs, the individual coils of each spring (6) engaging the surfaces of the connector (4) and bus bar (20, 24) to provide a compliant, multiple path electrical connection between the connector and bus bar. The springs are plated with a material having a low interface resistance (Rp) with respect to the resistance of the spring wire (Rw) to minimize the net change in resistance of any individual current path in the event of contact interface breakdown between a spring coil and bus bar or connector, thereby reducing or eliminating harmful damage to the spring.
摘要翻译： 多个螺旋弹簧（6）固定在颚型连接器（12）的平坦的内表面（4a）上，以在相对的弹簧之间接纳诸如母线的扁平导体（20,24），各个线圈 每个弹簧（6）接合连接器（4）和母线（20,24）的表面，以在连接器和汇流条之间提供顺应的多路径电连接。 弹簧相对于弹簧丝（Rw）的电阻具有低接口电阻（Rp）的材料，以使得在弹簧线圈之间的接触界面击穿的情况下，任何单个电流路径的电阻的净变化最小化 和母线或连接器，从而减少或消除对弹簧的有害损坏。
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5.发明授权Circuit breaker with independent magnetic and thermal responsive contact separation means 失效具有独立磁响应和热响应接触分离装置的断路器
公开(公告)号：US4458225A
公开(公告)日：1984-07-03
申请号：US442707
申请日：1982-11-18
申请人： Kenneth A. Forsell
发明人： Kenneth A. Forsell
摘要： A molded case circuit breaker having a movable contact arm (12) pivotally supported on a operating handle (4) and driven into and out of engagement with a stationary contact (6) by an overcenter toggle spring (28) stretched between the movable contact arm (12a) and a latch lever (14) which is releasable to carry the line of action of the spring (28) overcenter of the movable contact arm (12) to cause automatic separation of the contacts (6,10) in response to operation of a bimetal thermal overload sensing unit (18) and which has a separate magnetic overload current sensing unit (38,40) disposed on the stationary contact support (8) and isolated from the thermal overload current sensing unit (18), the magnetic sensing unit (8) operating to release an insulating wedge member (44) for movement between the circuit breaker contacts (6,10) to separate the contacts independently of the latch trip operating mechanism.
摘要翻译： 一种模制外壳断路器，具有可枢转地支撑在操作手柄（4）上的活动接触臂（12），并通过过夹紧肘弹簧（28）被驱动进入和脱离与固定触点（6）的接合， （12a）和闩锁杆（14），其可释放以承载可动接触臂（12）的弹簧（28）偏心的作用线，以响应于操作自动分离触点（6,10） 的双金属热过载感测单元（18），并且具有设置在固定触头支架（8）上并与热过载电流检测单元（18）隔离的单独的磁过载电流检测单元（38,40） 单元（8），其操作以释放用于在断路器触头（6,10）之间移动的绝缘楔形构件（44），以独立于闩锁跳闸操作机构分离触点。
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公开(公告)号：US4528539A
公开(公告)日：1985-07-09
申请号：US625488
申请日：1984-06-28
CPC分类号： H01H83/223 , H01H71/164 , H01H71/7409
摘要： A reduced-size thermal overload relay having a housing (2) that includes three narrow compartments (2k, 2l, 2m) in which are mounted three connector brackets (16,18,20) supporting three flat bimetal members (16j, 18j, 20j). Three narrow cassette heaters (6,8,10) are mounted at the upper part of the housing and held in by a snap-in hold-down device (12) that engages pairs of hooks (6b, 7b) at the lower portions of the heaters. A pushbutton (12a) on the hold-down device extends through a hole (3c) in the front wall of the housing for manual depression to release the heaters for removal. Each bracket (16) is H-shaped having legs (16c, 16d) for mounting it in a housing compartment (2k) and arms (16a, 16b) connected by a platform (16e) to which the upper terminal clip (6d) of the cassette heater is clamped with a screw (16q), the small angles of this platform and terminal clip automatically drawing the flat heater element (6c) into desired spacing with the bimetal member. The current flow down the arms (16a, 16b) prevents loss of heat through the terminal lead (16h). A switch (4) mounted at the side of the housing is tripped by a joint or differential operating mechanism (28,30,32) mounted below the three compartments and actuated by the three deflecting bimetal members.
摘要翻译： 一种尺寸较小的热过载继电器，其具有壳体（2），壳体（2）包括三个窄的隔间（2k，21m，2m），其中安装有三个连接器支架（16,18,20），支撑三个平坦的双金属构件（16j，18j，20j ）。 三个狭窄的盒式加热器（6,8,10）安装在壳体的上部，并通过卡扣式压紧装置（12）保持，该卡扣式压紧装置（12）在下侧部分接合成对的钩（6b，7b） 加热器。 压紧装置上的按钮（12a）延伸穿过壳体前壁中的孔（3c），用于手动按压以释放加热器以便移除。 每个支架（16）是H形的，其具有用于将其安装在壳体隔室（2k）中的腿部（16c，16d）和通过平台（16e）连接的臂（16a，16b），上端子夹子 盒式加热器用螺钉（16q）夹紧，该平台和端子夹的小角度自动地将扁平加热器元件（6c）拉伸成与双金属构件所需的间隔。 电流向下流动臂（16a，16b）可防止通过端子引线（16h）的热量损失。 安装在壳体一侧的开关（4）通过安装在三个隔室下方并由三个偏转双金属构件致动的接头或差速器操作机构（28,30,32）而跳闸。
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7.发明授权
公开(公告)号：US4521756A
公开(公告)日：1985-06-04
申请号：US559595
申请日：1983-12-08
申请人： Kenneth A. Forsell
发明人： Kenneth A. Forsell
CPC分类号： H01H71/503 , H01H2077/025 , H01H9/342
摘要： A pair of springs (14, 22) provide counteracting rotational bias to a movable contact arm (8) pivotally supported on a latched lever (10). A handle (4) is manually operable for reducing the force applied by one spring (22) to effect contact (6a, 8b) opening as a result of force applied by the other spring (14). Current sensing means (28, 34, 28a) are operable to release the latched lever (10) for releasing the pivot point (12) of the movable contact arm (8) whereby both springs (14, 22) work in a common direction to rapidly separate the contacts (6a, 8b). Arc gases are exhausted in the direction of separating movement of the movable contact arm (8) to utilize forces associated with arc gas pressure in a cummulative manner with the forces provided by springs (14, 22) to further increase the contact separation speed.
摘要翻译： 一对弹簧（14,22）向枢转地支撑在锁定杆（10）上的可动接触臂（8）提供抵消的旋转偏压。 手柄（4）可手动操作，以减少由一个弹簧（22）施加的作用力，以通过由另一个弹簧（14）施加的力而实现接触（6a，8b）打开。 电流感测装置（28,34,28a）可操作以释放用于释放可动触头臂（8）的枢转点（12）的锁定杆（10），由此两个弹簧（14,22）在共同的方向上工作 快速分离触点（6a，8b）。 电弧气体沿着可动接触臂（8）的分离运动的方向被排出，以利用弹簧（14,22）提供的力以累积的方式利用与电弧气体压力相关联的力，以进一步增加接触分离速度。
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公开(公告)号：US4430631A
公开(公告)日：1984-02-07
申请号：US376801
申请日：1982-05-10
CPC分类号： H01H73/18
摘要： A narrow width, molded case circuit breaker having parallel, oppositely directed current paths in a conductive stationary contact support (8c) and a pivoting movable contact arm (12b) to cause separation of the contacts (10, 16) by repelling electromagnetic forces independently of a manual operating mechanism (6, 22) or a trip mechanism (18, 20, 22, 24, 26). An arc runner (8e) integral with the stationary contact support (8) has a slot communicating with a vent opening (2d) in the case for venting the arc gasses through the arc runner and vent opening. Arc plates (42, 44) are oriented parallel to the arc runner (8e) to reduce resistance to movement of the arc therethrough by means of gas pressure. Insulators (14, 52) are disposed over conductive members comprising the parallel current paths on the opposite side of the contacts from the arc runner to impede any tendency toward arc movement in an undesired direction.
摘要翻译： 一种狭窄宽度的塑壳断路器，其在导电固定触头支撑件（8c）中具有平行的，相对定向的电流路径，以及枢转的可动触点臂（12b），以通过排斥电磁力而分离触点（10,16） 手动操作机构（6,22）或跳闸机构（18,20,22,24,26）。 与静止触点支架（8）成一体的电弧流道（8e）具有与壳体中的通气口（2d）连通的槽，用于通过电弧流道和排气口排放弧形气体。 电弧板（42,44）平行于电弧流道（8e）定向，以通过气体压力降低对电弧的运动的阻力。 绝缘体（14,52）设置在导电构件上，导电构件包括在触点相对于电弧流道的相反侧上的平行电流路径，以阻止任何在不期望的方向上的电弧运动的趋势。
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