IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0267662
(1994-06-29)
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발명자
/ 주소 |
- Perette Robert J. (1183 Nantasket Ave.
- Unit H5 Hull MA 02045)
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인용정보 |
피인용 횟수 :
24 인용 특허 :
0 |
초록
▼
A high speed, high efficiency, stable catamaran boat hull which comprises a boat hull structure having an under surface, a curved bow and a generally flat stern, a pair of spaced-apart sponsons on either side of the keel line of the hull and extending generally substantially from the bow of the hull
A high speed, high efficiency, stable catamaran boat hull which comprises a boat hull structure having an under surface, a curved bow and a generally flat stern, a pair of spaced-apart sponsons on either side of the keel line of the hull and extending generally substantially from the bow of the hull, wherein the sponsons generally come to a point, to the stern of the hull. The sponsons generally have vertical, downwardly extending, inner side walls and a generally horizontal underwall connecting the inner walls to form an air tunnel, the inner side walls tapering inwardly from the bow to the stern of the hull structure to compact the air passing through the tunnel to lift the hull in operation. The sponsons also have outer, generally vertical, extending outer side walls to form a deadrise sufficient to maintain the hull structure in the water during operation, and a connecting under surface between the inner and outer walls, with a plurality of strakes extending from the connecting under surface and generally extending substantially between the bow and stern to provide a smooth, stable ride of the hull structure through waves in operation. A short, generally flat, horizontal keel on either outward side of the inner walls provides stability to the hull structure during high speed operation.
대표청구항
▼
A high speed, high efficiency, stable catamaran boat hull which comprises: a) a boat hull structure having an under surface, a curved bow and a generally flat stern; b) a pair of transversely spaced-apart, longitudinal sponsons, equally positioned on either side of the keel line of the hull and exte
A high speed, high efficiency, stable catamaran boat hull which comprises: a) a boat hull structure having an under surface, a curved bow and a generally flat stern; b) a pair of transversely spaced-apart, longitudinal sponsons, equally positioned on either side of the keel line of the hull and extending generally substantially from the bow of the hull, wherein the sponsons generally come to a point, to the stern of the hull; c) the sponsons having generally vertical, downwardly extending, inner side walls having upper and lower ends and a generally horizontal under wall connecting the upper ends of the inner side walls to form a bow inlet and a stern outlet and an open air tunnel therebetween, the width of the bow inlet greater than the bow outlet; d) the inner side walls tapering inwardly from the bow to the stern of the hull structure to compact the air passing through the air tunnel to lift the rear of the hull structure in operation; e) the hull having outer, generally vertical, outer side walls having upper and lower ends to form a dead rise sufficient to maintain the hull structure in the water during operation and an inwardly, downwardly angular connecting under surface extending from the lower end of the outer side wall to the lower end of the inner side wall; f) at least a pair of transversely, spaced-apart, longitudinal outer-extending strakes extending from and on either side of the connecting under surface and generally extending substantially between the bow and stern, the strakes having a generally horizontal flat under surface, to provide a smooth, stable ride of the hull structure through waves in operation; g) keel pad means comprising a pair of horizontal, downwardly extending short width surfaces, one each on either side of the lower end of the inner side walls, to remain in the water during operation to provide stability to the hull structure during high speed operation, one vertical side of the keel means being an extension of the generally vertical inner side walls; and h) an elongated wedge means having a short, downward V-shape positioned downwardly from and generally centrally on the horizontal under wall and longitudinally extending from about the midline of the hull structure to the stern, to promote the lifting by air in the air tunnel of the hull structure.
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