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Method and apparatus for detecting ground faults and for isolating power supply from the ground faults 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H02H-003/00
출원번호 US-0603069 (2000-06-26)
발명자 / 주소
  • Langford, Joseph Andrew
  • Osborne, Gregory Warren
출원인 / 주소
  • Premier Aviation, Inc.
대리인 / 주소
    Pennie & Edmonds LLP
인용정보 피인용 횟수 : 4  인용 특허 : 31

초록

The present invention is a method and apparatus for protecting a power supply from ground faults. The present invention operates substantially independently of the current drawn by the load. In addition, the present invention includes a time delay circuitry for preventing false detection of ground f

대표청구항

The present invention is a method and apparatus for protecting a power supply from ground faults. The present invention operates substantially independently of the current drawn by the load. In addition, the present invention includes a time delay circuitry for preventing false detection of ground f

이 특허에 인용된 특허 (31)

  1. Dara Paul S. (Broken Arrow OK), Apparatus for fault detection and isolation.
  2. Iwasa Hitoo (Takatsuki JA) Kano Gota (Nagaoka JA), Apparatus to prevent overcurrent or overvoltage.
  3. Chen William W. ; Larson Brett E., Circuit breaker including positive temperature coefficient resistivity elements having a reduced tolerance.
  4. Chen William W. ; Haun Andy A. ; Gregory George D. ; Scott Gary W., Circuit interrupter with arcing fault protection and PTC (positive temperature coefficient resistivity) elements for short circuit and overload protection.
  5. Connor David Eugene, Clock line over-current protector and industrial control system employing same.
  6. Pokrandt ; Kurt, Current sensing circuitry.
  7. Fazlollahi Hossein (Stockholm SEX), Device for protecting an integrated circuit against overload and short circuit currents.
  8. Gross William H. (Sunnyvale CA) Cecil James B. (Santa Clara CA), Digital protection circuit and method for linear amplifier.
  9. Bayruns Robert J. (Middlesex NJ) Wallace Phillip W. (Bernardsville NJ) DeNigris Thomas D. (Livingston NJ), Dual-channel low current low noise block downconverter.
  10. Briscall W. Brian (336 Pine Hill Rd. Elizabethton TN 37643) Laxen Gerald C. (12800 W. 10th St. Indianapolis IN 46234), Electrical line-fault detector and circuit breaker device.
  11. Fleege Dennis W. ; Haun Andy Allen, Electronically controlled circuit breaker with integrated latch tripping.
  12. Campbell John S.,CAX, Fault current limiting circuit.
  13. Wuchinich ; David G., Flasher circuit with low power drain.
  14. Parker Douglas F. (1717 Midwestern Pkwy. ; #233 Wichita Falls TX 76302) Bradshaw W. Garth (P.O. Box 832 Lyman WY 82937) Augustine Mark J. (2630 Minnesota Ct. Green River WY 82935), Grounding and ground fault detection circuits.
  15. Spencer William M. (Rockford IL) Breit Joseph S. (Rockford IL), Hybrid contactor for DC airframe power supply.
  16. Price Tim U. (Salt Lake City UT), Line current protection circuit for use with a PCMCIA-architecture modem card.
  17. Schornack Louis W. (Park Ridge IL), Load protection circuit.
  18. Roberts Jeffrey B. ; Hou Daging, Loss of potential determination for use in protective relays for electric power systems.
  19. Engel Joseph C. (Monroeville PA) MacKenzie Raymond W. (Baldwin Boro PA), Low cost apparatus for detecting arcing faults and circuit breaker incorporating same.
  20. Marshall Andrew (Dallas TX) Kwan Stephen C. (Plano TX), Method and circuit for detecting faulty recirculation diode in a switched mode power supply.
  21. Rault Pierre (Saint Cyr sur Loire FRX), Overcurrent protection device.
  22. Tosaka Hiroaki,JPX ; Nomura Koji,JPX ; Kuboyama Katsunori,JPX ; Takahashi Tatsunori,JPX ; Ikeda Fumiyuki,JPX, Overcurrent trip device.
  23. Kowalski Jacek,FRX ; Martin Michel,FRX, Programmable switch, adjustable capacitance and resonant circuit effected by means of such a switch.
  24. Janssen ; Daniel Johannes Gerardus, Protection device for a subscriber's telephone set.
  25. Nichols ; III Edward L. (Annapolis MD), Remote sensing power disconnect circuit.
  26. Witmer Steven B. (Spring Township ; Berks County PA), Solid state circuit breaker.
  27. Graham, Daniel J., Static overcurrent relays.
  28. Bochenek Jeffrey (Dearborn MI), Switching circuit with lockout feature.
  29. Hansen James E. (Oak Creek WI), Time-delay current sensing circuit breaker relay.
  30. Spencer George A. (1909 Fresno Rd. Plano TX 75074), Trip delay override for electrical circuit breakers.
  31. Scott Gary W., Zone arc fault detection.

이 특허를 인용한 특허 (4)

  1. Izumi, Tatsuya, AC-DC bi-directionally conversion device with failure determination function, failure determination method and computer readable medium.
  2. Callen,Wayne; Brissenden,Richard Leslie; Smith,Robert Keith Henry, Control circuit and a method for electrically connecting a load to a power source.
  3. Chanda, Kaushik; Filippi, Ronald G.; Lukaitis, Joseph M.; Wang, Ping-Chuan, Electrically programmable fuse and fabrication method.
  4. Chanda, Kaushik; Filippi, Ronald G.; Lukaitis, Joseph M.; Wang, Ping-Chuan, Electrically programmable fuse and fabrication method.
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