专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

71. 发明授权

US3943316A Current limiting circuit breaker 失效
标题翻译：限流断路器
公开(公告)号：US3943316A
公开(公告)日：1976-03-09
申请号：US465398
申请日：1974-04-29
申请人： Clark L. Oster
发明人： Clark L. Oster
IPC分类号： H01H9/42 , H01H9/44 , H01H77/06 , H01H21/18
CPC分类号： H01H77/06 , H01H9/42 , H01H9/446 , Y10T403/4671 , Y10T74/20762
摘要： A current limiting circuit breaker having for each pole, a pair of main contacts separable upon operation of a thermally and electromagnetically operable tripping device and a pair of auxiliary contacts for current limiting in series with the main contacts and in parallel with a transformable resistor having a positive temperature coefficient of resistance. The auxiliary contacts are separable when an electromagnet is energized by a fault current which simultaneously energizes a field magnet to produce a transverse magnetic field across the auxiliary contacts and the arc formed between them when separating. This simultaneous action of electromagnet and field magnet coacting for rapid contact separation and lengthening of the arc upon flow of a fault current serves to increase arc voltage almost instantaneously to that of the source, about which time the fault current is totally shunted into the resistor. One of the main contacts of each pole is carried by a movable contact blade. The contact blades have tapered mounting end portions which extend through an elongated molded plastic crossbar, the movable contact blade for each pole being mounted in spaced apart relation in the common crossbar. A metallic insert is embedded in the molded plastic crossbar, the metallic insert having spaced apart openings located to permit the tapered mounting end of the contact blades to extend therethrough.
摘要翻译：一种用于每个极的限流断路器，一对主触头在操作热和电磁可操作的跳闸装置时可分离，并且一对辅助触点用于与主触点串联限流，并与具有正温度系数的电阻。当电磁铁由故障电流通电时，辅助触点可分离，同时激励磁场磁体，以在分离时在辅助触点之间产生横向磁场，并在它们之间形成电弧。在故障电流流动时，电磁体和磁场磁共振的同时动作用于快速接触分离和电弧延长，用于几乎立即将电弧电压提高到源的电压，故障电流在该时间内完全分流到电阻器中。每个极的主要触点之一由可动接触片承载。接触叶片具有锥形的安装端部，其延伸穿过细长的模制塑料横梁，每个极的可动接触叶片以公共横杆间隔开地安装。金属插入件嵌入在模制塑料横梁中，金属插入件具有间隔开的开口，其允许接触片的锥形安装端延伸穿过其中。

72. 发明授权

US3832505A Piston actuated switch with screw threads on piston and housing 失效
标题翻译：活塞和活塞螺丝螺丝活塞式活塞开关
公开(公告)号：US3832505A
公开(公告)日：1974-08-27
申请号：US36046273
申请日：1973-05-15
申请人： WONG F
发明人： WONG F
IPC分类号： H01H1/38 , H01H9/02 , H01H9/42 , H01H50/20 , H01H50/54 , H01H3/40
CPC分类号： H01H50/20 , H01H1/38 , H01H9/0271 , H01H9/42 , H01H50/54
摘要： The invention comprises a cylindrical housing having an internal telescopic split bore for receiving a solenoidally actuated piston. The piston has an extremity spring biased and anchored and the other extremity has disposed thereon a resistive contact. The split bore is conductively coated and separated by an insulative medium. The resistive contact on said piston is disposed to engage one of said conductive contacts in response to the excitation of the solenoid to permit conduction under the control of the resistive contact. Removal of the excitation permits the piston to return to its original position under the control of the spring bias. The amplitude of make and break of contact currents is controlled by the resistive element during the initial stages of switching.
摘要翻译：本发明包括具有用于接收螺线管致动的活塞的内部伸缩分离孔的圆柱形壳体。活塞具有偏置和锚定的末端弹簧，另一个末端在其上设置有电阻接触。分离孔由绝缘介质导电涂覆和分离。所述活塞上的电阻接触件设置成响应于螺线管的激励而接合所述导电触点中的一个，以允许在电阻触点的控制下导通。去除激发允许活塞在弹簧偏压的控制下返回到其初始位置。在开关的初始阶段，接触电流的产生和断开的幅度由电阻元件控制。

73. 发明授权

US3777178A Interrupter device for high voltage direct current 失效
标题翻译：用于高电压直流电流的中断器件
公开(公告)号：US3777178A
公开(公告)日：1973-12-04
申请号：US3777178D
申请日：1972-10-02
申请人： GRATZMULLER J
发明人： GRATZMULLER J
IPC分类号： H01H33/16 , H01H33/59 , H01H9/42
CPC分类号： H01H33/596 , H01H33/167
摘要： The overvoltages, occurring on the opening of circuit-breakers, are limited by successively inserting a series of resistances into the line to be broken, the residual current, at the time of the final break, being transferred to capacitors. Each of the preliminary circuit-breaker (D1 or D2) is associated with a resistance (R1 or R2) to be inserted and with a capacitor (C1 or C2), each of said capacitors being connected at two points of the circuit which are situated one at each side of the associated preliminary circuit-breaker (D1 or D2) and the final circuitbreaker (D3).
摘要翻译：在断路器断开时产生的过电压通过将一系列电阻连续地插入到待断开的线路中来限制，最终断开时的剩余电流被转移到电容器。每个初步断路器（D1或D2）与要插入的电阻（R1或R2）和电容器（C1或C2）相关联，每个所述电容器连接在所述电路的两个点处一个在相关联的初步断路器（D1或D2）和最终断路器（D3）的每一侧。

74. 发明授权

US3602770A Distributed r-c networks using metallized plastic film 失效
标题翻译：使用金属化塑料薄膜的分布式R-C网络
公开(公告)号：US3602770A
公开(公告)日：1971-08-31
申请号：US3602770D
申请日：1970-03-03
申请人： BELL TELEPHONE LABOR INC
发明人： MCMAHON WILLIAM
IPC分类号： H01G4/40 , H01H9/54 , H01H9/42
CPC分类号： H01H9/54 , H01G4/40
摘要： This disclosure describes several distributed R-C components structures characterized principally by a floating electrode to which an electrical connection is directly made. These structures typically comprise alternate layers of plastic and metal or metallized plastic strips. The structures are shown to be advantageous in telephone relay contact protection application.

75. 发明授权

US3543047A Contact arc suppressor using varistor energy absorbing device 失效
标题翻译：使用VARISTOR能量吸收装置的接触弧抑制器
公开(公告)号：US3543047A
公开(公告)日：1970-11-24
申请号：US3543047D
申请日：1968-12-03
申请人： NORTON RESEARCH CORP CANADA LT
发明人： RENFREW ROBERT MORRISON
IPC分类号： H01H9/54 , H01H9/42
CPC分类号： H01H9/54

76. 发明授权

US3538276A High-voltage circuit breaker having two-step closing resistance 失效
标题翻译：具有两步闭合电阻的高压断路器
公开(公告)号：US3538276A
公开(公告)日：1970-11-03
申请号：US3538276D
申请日：1967-11-24
申请人： WESTINGHOUSE ELECTRIC CORP
发明人： LEEDS WINTHROP M
IPC分类号： H01H33/70 , H01H33/16 , H01H33/825 , H01H9/42
CPC分类号： H01H33/166

77. 发明授权

US3495056A Current limiting interrupter with arc-inserted non-linear resistors 失效
标题翻译：电流限制中断器与ARC插入式非线性电阻器
公开(公告)号：US3495056A
公开(公告)日：1970-02-10
申请号：US3495056D
申请日：1965-07-22
申请人： ITE IMPERIAL CORP
发明人： JENSEN OTTO
IPC分类号： H01H9/34 , H01H9/42 , H01H9/30 , H01H33/00
CPC分类号： H01H9/341 , H01H9/42

78. 发明授权

US3388295A Current interrupter 失效
标题翻译：电流断路器
公开(公告)号：US3388295A
公开(公告)日：1968-06-11
申请号：US48137065
申请日：1965-08-20
申请人： HUBBELL INC HARVEY
发明人： JOHN MISENCIK , LEE SUNG C
IPC分类号： H01H9/08 , H01H9/42 , H01H9/54 , H01R13/53
CPC分类号： H01H9/085 , H01H9/42 , H01H9/542 , H01H2009/546 , H01R13/53

79. 发明授权

US3301985A Field discharge breaker 失效
标题翻译：现场放电断路器
公开(公告)号：US3301985A
公开(公告)日：1967-01-31
申请号：US43646865
申请日：1965-03-02
申请人： ITE CIRCUIT BREAKER LTD
发明人： WILSON GEORGE A
IPC分类号： H01H3/42 , H01H9/42
CPC分类号： H01H3/42 , H01H9/42

80. 发明授权

US2498039A Thermostatic circuit breaker with contact arc prevention 失效
标题翻译：恒温断路器，防止接触弧
公开(公告)号：US2498039A
公开(公告)日：1950-02-21
申请号：US59340645
申请日：1945-05-12
申请人： METALS & CONTROLS CORP
发明人： GUNN TOWNSEND M
IPC分类号： H01H9/42
CPC分类号： H01H9/42

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式