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    • 2. 发明授权
    • Cradle stop assembly, and operating mechanism and electrical switching apparatus employing the same
    • 支架停止组件,以及使用其的操作机构和电气开关装置
    • US07358455B2
    • 2008-04-15
    • US11466273
    • 2006-08-22
    • Brian J. SchaltenbrandRobert W. MuellerMark A. JanusekWilliam G. EbertsKeith E. Thomas
    • Brian J. SchaltenbrandRobert W. MuellerMark A. JanusekWilliam G. EbertsKeith E. Thomas
    • H01H23/00
    • H01H71/525
    • A cradle stop assembly is provided for a circuit breaker including an operating mechanism. The operating mechanism includes a pivotable movable contact arm and a cradle member which is movable between a latched position corresponding to separable contacts of the circuit breaker being closeable and an unlatched position corresponding to the separable contacts being tripped open. The cradle stop assembly includes a first member coupled to a portion of the operating mechanism, a second member disposed opposite the first member, and a generally planar stop plate extending between the first and second members. A first stop portion of the stop plate resists movement of the cradle member beyond a first predetermined position to avoid the cradle member undesirably interfering with the pivotable movable contact arm. A second stop portion resists the pivotable movable contact arm from undesirably pivoting beyond a second predetermined position.
    • 为包括操作机构的断路器提供支架止动组件。 操作机构包括可枢转的可动接触臂和支架构件,该支架构件可在与断路器的可分离触点相对应的闩锁位置和可分离触点相对应的解锁位置之间移动。 支架止动组件包括联接到操作机构的一部分的第一构件,与第一构件相对设置的第二构件和在第一构件和第二构件之间延伸的大致平面的止动板。 止动板的第一止挡部分阻止托架构件移动超过第一预定位置,以避免托架构件不可靠地与可枢转的可动接触臂干涉。 第二止动部分阻止可枢转的可动接触臂不期望地枢转超过第二预定位置。
    • 6. 发明授权
    • Electrical switching apparatus and heater assembly therefor
    • 电气开关设备及其加热器组件
    • US07800478B2
    • 2010-09-21
    • US12130260
    • 2008-05-30
    • Craig J. PuhallaDavid E. LittleKelly J. McCarthyRobert W. MuellerWilbert E. Lindsay
    • Craig J. PuhallaDavid E. LittleKelly J. McCarthyRobert W. MuellerWilbert E. Lindsay
    • H01H61/00H01H71/50
    • H01H71/0207H01H71/40H01H2071/0242
    • A heater assembly is provided for an electrical switching apparatus. The heater assembly includes a heater element and an elongated bimetal. The heater element includes first and second ends, an intermediate portion disposed therebetween and an aperture disposed proximate the first end. The elongated bimetal includes opposing first and second ends, and is movable between first and second positions corresponding respectively to the separable contacts of the electrical switching apparatus being closeable, and to the first end of the elongated bimetal cooperating with a trip bar to cause an operating mechanism to open the separable contacts. The second end of the elongated bimetal is coupled to the intermediate portion of the heater element. When the elongated bimetal is disposed in the first position, the first end of the elongated bimetal extends beyond the upper surface of the first end of the heater element into the aperture of the heater element.
    • 为电气开关装置提供加热器组件。 加热器组件包括加热器元件和细长双金属片。 加热器元件包括第一和第二端,设置在其间的中间部分和靠近第一端设置的孔。 伸长的双金属片包括相对的第一和第二端,并且可分别对应于电气开关设备的可分离触头相对应的第一和第二位置之间可移动,并且延伸双金属片的第一端与跳闸杆协作以使操作 打开可分离触点的机构。 细长双金属片的第二端连接到加热元件的中间部分。 当细长双金属片设置在第一位置时,细长双金属片的第一端延伸超过加热器元件的第一端的上表面进入加热元件的孔。
    • 7. 发明授权
    • Circuit interrupter with non-symmetrical terminal collar
    • 具有非对称端子套环的断路器
    • US6084188A
    • 2000-07-04
    • US377018
    • 1999-08-18
    • Robert W. MuellerThomas A. WhitakerWayne C. Sumpman
    • Robert W. MuellerThomas A. WhitakerWayne C. Sumpman
    • H01H1/58H01H71/08H01R4/30H01R4/36H01H1/00H01R4/28H02B1/04
    • H01H71/08H01R4/307H01H1/5855H01H2001/5861H01H2300/042H01R4/36
    • A molded case circuit breaker having separable main contacts and an operating mechanism utilized to cause the separable main contacts to open and close. A trip unit is provided to actuate the operating mechanism in desirable circumstances. The circuit breaker has external terminals which are connectable with an external load and an external power supply. A collar is used to interconnect the circuit breaker terminals with the load and power supply. The terminal collar in this case is non-symmetrical. The non-symmetrical collar provides two functions: the first function is that the path of electrical continently between adjacent collars is enlarged for higher voltage applications because of the non-symmetrical nature of each collar; secondly, the circuit breaker case has a seat therein which has the same cross-section as the non-symmetrical collar, so that the collar can only be inserted therein in one cross-sectional orientation.
    • 一种具有可分离的主触头的模制外壳断路器和用于使可分离的主触头打开和关闭的操作机构。 提供跳闸单元以在期望的情况下致动操作机构。 断路器具有可与外部负载和外部电源连接的外部端子。 套环用于将断路器端子与负载和电源相互连接。 这种情况下的端子套环是非对称的。 非对称轴环提供两个功能:第一个功能是由于每个轴环的非对称性质,相邻轴环之间的电气路径被扩大以用于更高的电压应用; 其次,断路器壳体具有与非对称套环相同的横截面的座,使得套环只能以一个截面取向插入其中。
    • 9. 发明申请
    • ELECTRICAL SWITCHING APPARATUS AND HEATER ASSEMBLY THEREFOR
    • 电气开关装置及其加热器组件
    • US20090295532A1
    • 2009-12-03
    • US12130260
    • 2008-05-30
    • Craig J. PuhallaDavid E. LittleKelly J. McCarthyRobert W. MuellerWilbert E. Lindsay
    • Craig J. PuhallaDavid E. LittleKelly J. McCarthyRobert W. MuellerWilbert E. Lindsay
    • H01H61/00
    • H01H71/0207H01H71/40H01H2071/0242
    • A heater assembly is provided for an electrical switching apparatus. The heater assembly includes a heater element and an elongated bimetal. The heater element includes first and second ends, an intermediate portion disposed therebetween and an aperture disposed proximate the first end. The elongated bimetal includes opposing first and second ends, and is movable between first and second positions corresponding respectively to the separable contacts of the electrical switching apparatus being closeable, and to the first end of the elongated bimetal cooperating with a trip bar to cause an operating mechanism to open the separable contacts. The second end of the elongated bimetal is coupled to the intermediate portion of the heater element. When the elongated bimetal is disposed in the first position, the first end of the elongated bimetal extends beyond the upper surface of the first end of the heater element into the aperture of the heater element.
    • 为电气开关装置提供加热器组件。 加热器组件包括加热器元件和细长双金属片。 加热器元件包括第一和第二端,设置在其间的中间部分和靠近第一端设置的孔。 伸长的双金属片包括相对的第一和第二端,并且可分别对应于电气开关设备的可分离触头相对应的第一和第二位置之间可移动,并且延伸双金属片的第一端与跳闸杆协作以使操作 打开可分离触点的机构。 细长双金属片的第二端连接到加热元件的中间部分。 当细长双金属片设置在第一位置时,细长双金属片的第一端延伸超过加热器元件的第一端的上表面进入加热器元件的孔。
    • 10. 发明授权
    • Circuit breaker with externally lockable secondary cover latch
    • 具有外部可锁定辅助盖闩锁的断路器
    • US6140897A
    • 2000-10-31
    • US377013
    • 1999-08-18
    • Robert W. MuellerDavid B. MillerDavid M. Werling
    • Robert W. MuellerDavid B. MillerDavid M. Werling
    • H01H71/02H01H71/12H01H9/00
    • H01H71/0228H01H71/126
    • This concerns a molded case circuit breaker having separable main contacts and an operating mechanism structured to cause the separable main contacts to open and close. A trip unit is provided to actuate the operating mechanism in desirable circumstances. The circuit breaker housing has an auxiliary device compartment therein into which may be inserted a key lock arrangement. The trip unit has a plunger member which protrudes into the auxiliary device compartment and which, when actuated, causes the trip unit to actuate the operating mechanism to open the main contacts. When the key lock is actuated, a slideable member interacts with the plunger member in the trip unit and maintains the trip unit in a configuration that prevents the main contacts from engaging. Thus, as long as the lock member is maintained in the locked state, the circuit breaker may not be reset.
    • 这涉及具有可分离的主触点的模制外壳断路器和被构造成使可分离的主触头打开和关闭的操作机构。 提供跳闸单元以在期望的情况下致动操作机构。 断路器壳体中有一个辅助装置隔室,其中可插入钥匙锁定装置。 跳闸单元具有突出到辅助设备室中的柱塞构件,并且当被致动时,引起跳闸单元致动操作机构以打开主触点。 当钥匙锁被致动时,可滑动的构件与脱扣单元中的柱塞构件相互作用,并将脱扣单元维持在防止主触头接合的构造中。 因此,只要锁定构件保持在锁定状态,断路器可能不被复位。