IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0523078
(1990-05-14)
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발명자
/ 주소 |
- Takeuchi Richard T. (3518 Harding Ave. Honolulu HI 96816)
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인용정보 |
피인용 횟수 :
6 인용 특허 :
5 |
초록
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A stable racing catamaran with hydrofoil qualities is disclosed. The stable racing catamaran with hydrofoil qualities includes a deck, a pair of forward pylons affixed to the deck, a pair of aft pylons affixed to the deck, a pair of forward hulls affixed to the pair of forward pylons, respectively,
A stable racing catamaran with hydrofoil qualities is disclosed. The stable racing catamaran with hydrofoil qualities includes a deck, a pair of forward pylons affixed to the deck, a pair of aft pylons affixed to the deck, a pair of forward hulls affixed to the pair of forward pylons, respectively, a pair of aft hulls affixed to the pair of aft pylons, respectively, a pair of forward skags affixed to the pair of forward hulls, respectively, a pair of aft skags affixed to the pair of aft hulls, respectively, a pair of forward rudders disposed in close proximity to the pair of forward hulls, respectively, a pair of aft rudders disposed in close proximity to the pair of aft hulls, respectively, a pair of forward rudder shafts for rotatably mounting the pair of forward rudders, respectively, and a pair of aft rudder shafts for rotatably mounting the pair of aft rudders, respectively. Furthermore, the present invention reduces resistance and minimizes drag by streamlining, the hulls of the present invention are removably mounted so that hulls with different designs and/or displacements can be quickly and easily interchanged, unwanted lateral motion and drift that affects stability are minimized by the present invention, and unwanted yaw motion that affects stability is also minimized by the present invention.
대표청구항
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A stable racing catamaran with hydrofoil qualities, comprising: (a) a deck; (b) a pair of forward pylons affixed to said deck; (c) a pair of aft pylons affixed to said deck; (d) a pair of forward hulls affixed to said pair of forward pylons, respectively; (e) a pair of aft hulls affixed to said pair
A stable racing catamaran with hydrofoil qualities, comprising: (a) a deck; (b) a pair of forward pylons affixed to said deck; (c) a pair of aft pylons affixed to said deck; (d) a pair of forward hulls affixed to said pair of forward pylons, respectively; (e) a pair of aft hulls affixed to said pair of aft pylons, respectively; (f) a pair of forward skags affixed to said pair of forward hulls, respectively; (g) a pair of aft skags affixed to said pair of aft hulls, respectively; (h) a pair of forward rudders disposed in close proximity to said pair of forward hulls, respectively; (i) a pair of aft rudders disposed in close proximity to said pair of aft hulls, respectively; (j) a pair of forward rudder shafts for rotatably mounting said pair of forward rudders, respectively; (k) a pair of aft rudder shafts for rotatably mounting said pair of aft rudders, respectively; said deck is substantially flat and includes a pair of sides having contours, an upper surface, a forward portion, and an aft portion; said pair forward pylons include a pair of upper surfaces, respectively, a pair of lower surfaces, respectively, and a pair of bodies, respectively, said bodies being shaped and positioned so as to match said contours, respectively, of said pair of sides, respectively, of said deck so that air resistance is reduced and drag is minimized by streamlining; said pair of forward pylon are affixed to said forward portion of said deck where said pair of upper surfaces, respectively, of said pair of forward pylons, respectively, meet said lower surface of said deck; said pair of aft pylons include a pair of upper surfaces, respectively, and a pair of lower surfaces, respectively, and a pair of bodies, respectively, said pair of bodies being shaped and positioned so as to match said contour, respectively, of said pair of sides respectively, of said deck so that air resistance is further reduced and drag is further minimized by streamlining; said pair of aft pylons are affixed to said aft portion, respectively, of said deck where said pair of upper surfaces, respectively, of said pair of aft pylons, respectively, meet said lower surface of said deck; said pair of forward hulls includes a pair of upper surfaces, respectively, a pair of lower surfaces, respectively, a pair of bodies, respectively, and a pair of rear edges, respectively; said pair of forward hulls are affixed to said pair of forward pylons, respectively, where said pair of upper surfaces of said pair of forward hulls, respectively, meet said pair of lower surfaces of said pair of forward pylons, respectively; said pair of aft hulls include a pair of upper surfaces, respectively, a pair of lower surfaces, respectively, a pair of bodies, respectively, and a pair of rear edges, respectively; said pair of aft hulls are affixed to said pair of aft pylons, respectively, where said pair of upper surfaces of said pair of aft hulls, respectively, meet said pair of lower surfaces of said pair of aft pylons, respectively; and said pair of forward skags include a pair of upper surfaces, respectively, a pair of lower fins, respectively, and a pair of rear portions, respectively.
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