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특허 상세정보

Watercraft having plural narrow hulls and having submerged passive flotation devices

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B63B-001/12    B63B-001/00   
미국특허분류(USC) 114/061.14; 114/061.13; 114/283
출원번호 US-0908217 (2005-05-02)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 7  인용 특허 : 22
초록

A watercraft has at least two narrow hulls with a shallow draft and has one or more passive flotation devices that are entirely submerged. The hulls enclose the power trains for the watercraft and are accessible from the compartments of the watercraft. The passive flotation devices do not include a power train or any other equipment requiring access from the compartments of the watercraft. The narrow, shallow draft hulls have low friction drag and produce a small bow wave. Thus, the watercraft is able to be propelled rapidly, to be propelled for a greate...

대표
청구항

The invention claimed is: 1. A watercraft comprising: at least first and second hulls, each hull including at least one electrical motor and a propulsion device coupled to the electrical motor, each hull having a stern, a bow and a bottom surface extending in a forward direction between the stern and the bow, each of the hulls floating on a water surface during operation with a lower portion of each hull displacing water to provide buoyancy; a structure supported by the first and second hulls; a first passive flotation device positioned below and parall...

이 특허에 인용된 특허 (22)

  1. Motsenbocker Marvin A. ; Motsenbocker Kayo. Advantageous use of battery mass in electric watercraft. USP2000066073569.
  2. Dixon John D. (620 Solar Isle Ft. Lauderdale FL 33301). Elevating stern platform for swath vessels. USP1992085140924.
  3. Sinko Michael S. ; Smith James S. ; Van Dine Pieter ; Chapman John H.. External electric drive propulsion module arrangement for swath vessels. USP2000116152791.
  4. Hall Nelson W. (Doway CA) Smith Gregory (San Diego CA). Forward deck construction for a swath or catamaran-type vessel. USP1989094867090.
  5. Profitt, James Arthur; Peek, Joseph Timothy; Motsenbocker, Kayo; Motsenbocker, Marvin Andrew. High speed electric watercraft. USP2003036532884.
  6. Rune H. ?degard NO. High speed hybrid marine vessel. USP2002086435123.
  7. Hall Nelson W. (Poway CA) Kotzebue Paul (San Diego CA). Hull construction for a swath vessel. USP1990044919063.
  8. Lang Thomas G.. Low-drag, high-speed ship. USP2001016167829.
  9. Thomas G. Lang. Low-drag, high-speed ship. USP2002086439148.
  10. Cody John J. Marine advertising vessel. USP2001026189477.
  11. Fuglsang, John Theodore; Quigley, Stephen Geoffrey. Marine vessel for passengers, vehicular traffic or freight. USP2004056729258.
  12. Motsenbocker Marvin A. ; Motsenbocker Kayo. Stabilized electric watercraft for high speed cruising, diving and sailing. USP2001086273015.
  13. Hall Nelson W. (Poway CA) Higdon Donald T. (Flagler Beach FL). Stern planes for swath vessel. USP1994045301624.
  14. Frederick Larry J. (P.O. Box 794 SLU Hammond LA 70402). Traversing blade-rotary propeller. USP1985044509899.
  15. Ishida Masanori,JPX ; Maeda Tadahiko,JPX. Underwater sightseeing craft. USP1999115988088.
  16. English Patrick (Cairns AUX) Radke Donald (Cairns AUX) May Barry (Cairns AUX). Underwater viewing craft. USP1992065117774.
  17. Manning Michael F. (Columbia MD). Variable draft hull. USP1993085237947.
  18. Schmidt, Terrence W.; Mannino, Anthony J.; Madden, Lewis D.. Variable-draft vessel. USP2005046877450.
  19. Veazey Sidney E. (King George VA). Vehicle-transportable twin-hulled boats. USP1996045505153.
  20. Kay, John. WAY as acronym for wave avoidance yacht. USP2003076588352.
  21. Holder Ron (25051 Monte Verde Laguna Niguel CA 92677). Watercraft. USP1991014981099.
  22. Hsu Chun-Che (Silver Spring MD). Wave cancellation multihull ship. USP1993015178085.