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특허 상세정보

Arc fault or ground fault detector with self-test feature

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H02H-003/00    H02H-007/00   
미국특허분류(USC) 361/007
출원번호 US-0518603 (2000-03-03)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Wall Marjama & Bilinski LLP
인용정보 피인용 횟수 : 79  인용 특허 : 12
초록

A self-testing arc fault or ground fault detector includes arc fault detecting circuitry and components. The detector includes a testing circuit which tests at least part of the circuitry and components and generates a recurring signal when the test completes successfully. If the test does not complete successfully, the signal is lost. This loss of signal is signaled by an indicator connected to the testing circuit. In one version, the loss of signal activates a circuit interrupter which disconnects the load side of the detector from the line side.

대표
청구항

1. A self testing arc fault detector comprising:a transformer coupled to an electrical circuit and responsive to an arcing condition in the circuit for generating a signal; a detector responsive to the signal for indicating the presence of an arcing condition; a clock generating periodic timing signals, and a test generator connected to the transformer and the clock for periodically applying a test signal to the transformer for producing a first signal if the transformer is not operational, a fault detector connected to the transformer and the clock for ...

이 특허에 인용된 특허 (12)

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  4. Neiger Benjamin (Floral Park NY) Rosenbaum Saul (East Meadow NY) Gershen Bernard (Centerport NY). Ground fault circuit interrupter incorporating miswiring prevention circuitry. USP1995125477412.
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  9. Bienwald Wolfgang F. (Melville NY) Tumsuden ; Jr. Herbert W. (Floral Park NY). Resettable circuit breaker for use in ground fault circuit interrupters and the like. USP1993045202662.
  10. MacKenzie Raymond W. (Baldwin Borough PA) Wafer John A. (Brighton Township PA). Self testing circuit breaker ground fault and sputtering arc trip unit. USP1995105459630.
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  12. Turner Duane L. ; Fleege Dennis W. ; Wiese Gregory S. ; Dvorak Robert F.. Trip indicators for circuit protection devices. USP1998125847913.

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