[특허]Jet powered watercraft

[미국특허] Jet powered watercraft 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A63H-001/30
출원번호	US-0503603 (1974-09-06)
발명자 / 주소	Tyler Nelson (Studio City CA)
출원인 / 주소	Still Water Properties, N.V. (Curacao NE 03)
인용정보	피인용 횟수 : 26 인용 특허 : 0

초록 ▼

A jet powered watercraft of motorcycle-like configuration. Longitudinally aligned front and rear skis are located in spaced relation below a hull and operate to hydrodynamically lift the watercraft to a cruise position by relative water flow upon the undersides of the skis. The rear ski and a jet pump are secured as an integral unit to an engine. The rear ski includes an opening through which water passes to the jet pump, and further includes channels on either side of the opening to collect and carry away entrained air. The engine is located in the hull and is cooled by water supplied by the jet pump which it drives. The front ski is rotatable for steering and is resiliently extensible for stability in turning. The center of buoyancy of the watercraft is above its center of gravity so that the craft is self-righting. The exhaust and cooling systems are arranged to eliminate flooding despite location of portions of the engine below water when the craft is at rest. The jet pump discharge nozzle is completely out of the water in the cruise position of the craft for maximum thrust.

대표청구항 ▼

A jet powered watercraft comprising: a hull including an engine compartment providing buoyancy; a front ski assembly including a front ski located below and in spaced relation to said hull and further including means supporting said front ski on said hull for pivotal movement about a steering axis to steer the watercraft; a rear ski underlying said engine compartment and operative with said front ski to hydrodynamically lift the watercraft to a cruise position above its displacement position by virtue of relative water flow upon the planing surfaces of said front and rear skis, said rear ski having an opening; jet pump drive means located in said engine compartment; a jet pump operative to receive water through said opening and accelerate the water for discharge at high velocity to propel the watercraft forwardly, said jet pump being located below said jet pump drive means, said jet pump further being located above said planing surface of said rear ski whereby said jet pump is located above the water surface in said cruise position; and coupling means connecting said jet pump drive means to said jet pump for operation of said jet pump.

이 특허를 인용한 특허 (26) 인용/피인용 타임라인 분석

Ozawa Shigeyuki,JPX, Direct injected personal watercraft.
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Nakase Ryoichi,JPX, Fuel pump arrangement for watercraft.
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Ozawa Shigeyuki,JPX, Fuel system and arrangement for small watercraft.
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Yazaki Mitsuhiro (Kakogawa JPX), Fuel tank for a water craft.
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Hattori Tsutomu (Iwata JPX), Hull construction for small watercraft.
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Massicotte, Alain; Lieb, Lonnie; Spade, Keith Allen, Hull for a watercraft.
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Pereira Fred A. (73-1232 Ahikawa St. Kailua-Kona HI 96740), Hydro ski.
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Okubo Susumu (Hamamatsu JPX) Sasaki Yutaka (Hamamatsu JPX), Jet propulsion craft provided with exhaust noise eliminating apparatus.
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Loui,Steven; Shimozono,Gary; Gornstein,Robert, Lifting body water jet propulsion inlet inductor.
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Nakase Ryoichi (Hamamatsu JPX) Nanami Masayoshi (Hamamatsu JPX), Motor for watercrafts.
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Cho, David Hyun Jong, Motorized board for use on water.
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Eichinger Charles H. ; Davis Richard A., Mounting system for a marine propulsion device.
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Kobayashi Noboru (Iwata JPX), Personal jet propelled watercraft.
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Webb Edward H. (Paynesville MN) Duclo Marley (Hotchkiss CO) Peterson Lonn M. (Moorhead MN), Personal water craft with improved hull design.
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Simard, Richard; Plante, Renald, Personal watercraft and off-power steering system for a personal watercraft.
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Spade,Sam; Ferland,Daniel; Huberty,John, Personal watercraft having a pole support.
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Simard, Richard; Plante, Renald; Berthlaume, Yves; Adamczyk, Rick, Personal watercraft having off-power steering system.
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Dawson Edward S. (St. Paul MN), Power operated surfboard.
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Nishida Hiroshi (Miki JPX), Small-sized marine craft.
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Nishida Hiroshi (Miki JPX), Small-sized marine craft having an upstanding peripheral flange.
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Noboru Kobayashi, Sporting water vehicle.
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Akira Nakatsuji JP; Satoshi Koyano JP; Tomoyoshi Koyanagai JP, Ventilation system for watercraft.
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Rudwal, Christopher; Lepine, Christian; Petit, Philippe; Larouche, Joey; Spade, Sam; Rondeau, Pierre; Simard, Richard; Girard, Etienne; Adamczyk, Rick, Watercraft helm support structure and deck.
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Ikeda Kenji,JPX ; Nanami Masayoshi,JPX, Watercraft propulsion system.
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Plante, Renald; Berthiaume, Yves, Watercraft suspension.
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Pereira, Fred, Watercraft with reactive suspension and an integrated braking and steering system.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Jet powered watercraft 원문보기