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특허 상세정보

Solid state frequency converter capable of misaligned parallel operation

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H02J-003/06   
미국특허분류(USC) 307/73 ; 307/44
출원번호 US-0029727 (1993-03-11)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 14  인용 특허 : 0

A ground power unit capable of no-break power transfer includes a rectifier for converting power from commercial mains to direct current, a switching circuit, a power transformer, and a pattern generator for controlling the operation of the switching circuit. Voltage and current sensors monitor whether the phase of the ground power unit is leading or lagging the phase of the aircraft power bus at the tinge of power transfer. The frequency and phase of the pattern generator converter is adjusted to bring the two systems into alignment quickly, well before...


An external power supply for use in a no-break power transfer connection to an active aircraft power bus provided with power from an internal aircraft power source, and a power transfer switch for switching between the aircraft power source and the external power supply, comprising a direct current source of power, a transformer having at least one primary winding and at least one secondary winding, a switching circuit connected between the primary winding of said transformer and said direct current source for providing pulses of direct current to said t...

이 특허를 인용한 특허 피인용횟수: 14

  1. Mann, III, James W.; Montminy, Jeffrey E.; Newell, Benjamin E.; Newell, Ty A.. Adjustable air conditioning control system for a universal airplane ground support equipment cart. USP2011108037714.
  2. Mann, III, James W.; Montminy, Jeffrey E.. Airplane ground support equipment cart having extractable modules and a generator module that is seperable from power conversion and air conditioning modules. USP2011118047555.
  3. Terrasse, Samuel; Matray, Damien; Maneuf, Nathalie; Milcent, Anne-Marie. Assembly for injecting a viscous liquid product. USP20181010099006.
  4. Greer David E.. Boxer linkage for double throw safety switches. USP2001026194675.
  5. Engel Edward I. ; Ratliff Larry Gene. Cam-lock enhanced pressure switch contacts. USP2001086271489.
  6. Montminy, Jeffrey E.; Insixiengmay, Kyta; Mann, III, James W.; Newell, Benjamin E.; Newell, Ty A.. Compact, modularized air conditioning system that can be mounted upon an airplane ground support equipment cart. USP2012028117864.
  7. Ratnaparkhi, Milind; Welker, Keith. Ground power unit for aircraft. USP2016089413264.
  8. Mann, III, James W.; Montminy, Jeffrey E.; Bivens, Steven E.; Leadingham, David Wayne. Maintenance and control system for ground support equipment. USP2011118055388.
  9. Mann, III, James W.; Leadingham, David Wayne. Multi-voltage power supply for a universal airplane ground support equipment cart. USP2011108030801.
  10. Lin, Li-Wei; Huang, Kuo-Liang; Yi, Chun-Tso. Power supply with output overcurrent detection and error latch protection. USP2013028369114.
  11. Greer David E.. Slider linkage for double throw safety switches. USP2001116320143.
  12. Galm, James M.. Source phase sensitive transfer method and apparatus. USP2009097589438.
  13. Edward I. Engel ; Oceola W. Fugate. Two-stage self adjusting trip latch. USP2002036362442.
  14. Covington John Henry ; Walsh Thomas Edwin ; Newell John Mark. Universal power module. USP2000026031749.