Invention Grant
- Patent Title: Circuit breaker trip blocking apparatus, systems, and methods of operation
- Patent Title (中): 断路器跳闸阻断装置,系统和操作方法
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Application No.: US14371612Application Date: 2012-03-12
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Publication No.: US09281150B2Publication Date: 2016-03-08
- Inventor: Kevin R. Warne
- Applicant: Kevin R. Warne
- Applicant Address: DE Munich
- Assignee: SIEMENS AKTIENGESELLSCHAFT
- Current Assignee: SIEMENS AKTIENGESELLSCHAFT
- Current Assignee Address: DE Munich
- International Application: PCT/US2012/028715 WO 20120312
- International Announcement: WO2013/137846 WO 20130919
- Main IPC: H01H9/00
- IPC: H01H9/00 ; H01H71/24 ; H01H9/24 ; H01H71/52 ; H01H71/50

Abstract:
Embodiments disclose a trip blocking apparatus of a circuit breaker exhibiting no trip at OFF functionality. The trip blocking apparatus effectively blocks tripping of a trip bar when the circuit breaker is in the OFF configuration. The trip blocking apparatus has a trip blocking arm and a blocking lever. A first projection of the blocking lever is configured to contact a handle arm, and a second projection is configured to interfere with the trip blocking arm to block tripping of the trip bar responsive to handle arm motion. Actuator resetting and blocking apparatus and trip blocking assemblies and methods of operating the trip blocking assembly are provided, as are other aspects.
Public/Granted literature
- US20150035628A1 CIRCUIT BREAKER TRIP BLOCKING APPARATUS, SYSTEMS, AND METHODS OF OPERATION Public/Granted day:2015-02-05
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