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1.发明申请公开(公告)号：US20150291263A1
公开(公告)日：2015-10-15
申请号：US14430888
申请日：2013-09-23
申请人： ALAMARIN-JET OY
发明人： Tuomas Ruosteinen , Hannu Rantala
摘要： A frame of a water jet propulsion unit arranged to be installed and sealed into an installation opening of a boat. The water-jet propulsion unit includes an impeller and the boat has a counter-sealing surface to which the frame is attached. The frame includes a flow channel to guide water to the impeller. The flow channel has a top with a maintenance opening. The maintenance opening is positioned to permit servicing the impeller. A first sealing surface forms a first closed loop to attach the water-jet propulsion unit tightly to the counter-sealing surface of the boat. A second sealing surface forms a second closed loop arranged to attach the water-jet propulsion unit to the boat. The first and second closed loops permit the maintenance opening of the frame to be alternatively locatable respectively outside or inside the stern of the boat in dependence on alternative configurations of the installation opening of the boat.
摘要翻译： 布置成安装并密封到船的安装开口中的喷水推进单元的框架。 喷水推进装置包括一个叶轮，该船具有一个相对密封的表面，该框架被安装在该对置密封表面上。 框架包括用于将水引导到叶轮的流动通道。 流动通道具有带维护开口的顶部。 维护开口定位成允许维修叶轮。 第一密封表面形成第一闭合环，以将喷水推进单元紧紧地附接到船的反密封表面。 第二密封表面形成第二闭合回路，其布置成将喷水推进单元附接到船上。 第一和第二闭合回路允许框架的维护开口根据船的安装开口的可选配置分别位于船的船尾之外或内部。
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2.发明授权Frame of a water-jet propulsion unit for a boat, a water jet propulsion unit and an arrangement in a boat 有权用于船的喷水推进装置的框架，喷水推进装置和船中的装置公开(公告)号：US09346522B2
公开(公告)日：2016-05-24
申请号：US14430888
申请日：2013-09-23
申请人： Alamarin-Jet Oy
发明人： Tuomas Ruosteinen , Hannu Rantala
摘要： A frame of a water jet propulsion unit arranged to be installed and sealed into an installation opening of a boat. The water-jet propulsion unit includes an impeller and the boat has a counter-sealing surface to which the frame is attached. The frame includes a flow channel to guide water to the impeller. The flow channel has a top with a maintenance opening. The maintenance opening is positioned to permit servicing the impeller. A first sealing surface forms a first closed loop to attach the water-jet propulsion unit tightly to the counter-sealing surface of the boat. A second sealing surface forms a second closed loop arranged to attach the water-jet propulsion unit to the boat. The first and second closed loops permit the maintenance opening of the frame to be alternatively locatable respectively outside or inside the stern of the boat in dependence on alternative configurations of the installation opening of the boat.
摘要翻译： 布置成安装并密封到船的安装开口中的喷水推进单元的框架。 喷水推进装置包括一个叶轮，该船具有一个相对密封的表面，该框架被安装在该对置密封表面上。 框架包括用于将水引导到叶轮的流动通道。 流动通道具有带维护开口的顶部。 维护开口定位成允许维修叶轮。 第一密封表面形成第一闭合环，以将喷水推进单元紧紧地附接到船的反密封表面。 第二密封表面形成第二闭合回路，其布置成将喷水推进单元附接到船上。 第一和第二闭合回路允许框架的维护开口根据船的安装开口的可选配置分别位于船的船尾之外或内部。
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公开(公告)号：US11718378B2
公开(公告)日：2023-08-08
申请号：US17286789
申请日：2019-10-22
申请人： ALAMARIN-JET OY
发明人： Hannu Rantala , Tuomas Ruosteinen
IPC分类号： B63H11/08 , B63H11/11 , B63H11/113
CPC分类号： B63H11/08 , B63H11/11 , B63H11/113 , B63H2011/081
摘要： A water-jet propulsion unit includes a body, an impeller for moving water, the impeller disposed in an impeller tunnel, an impeller shaft for driving the impeller, a first bearing housing to support the impeller shaft on the body, and a jet nozzle for forming a water jet. The body comprises a shaft opening for the impeller, a flow duct having a first contact surface, an inlet opening, and an outlet opening, the planes of which are at an angle α relative to each other. The impeller tunnel has a first end comprising a planar second contact surface and a second end comprising a planar third contact surface to seal the impeller tunnel between the body and the jet nozzle. The second and third planar contact surfaces of the impeller tunnel are arranged at an angle relative to each other. The impeller shaft is adapted for alternative types of installation by turning the impeller tunnel through 180° about the rotational axis of the impeller shaft. Support equipment supports the impeller shaft on the body in the alternative positions.
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