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    • 4. 发明授权
    • Cowling assembly for outboard motor
    • 舷外马达的外壳组件
    • US5052961A
    • 1991-10-01
    • US443906
    • 1989-11-30
    • Tatsuki UchidaKatsumi Torigai
    • Tatsuki UchidaKatsumi Torigai
    • B63H20/00B63H20/32F02B61/04F02B75/18F02B75/22
    • F02B75/22B63H20/32F02B2075/1824F02M35/168
    • Six embodiments of a cowling assembly for a powerhead of an outboard motor are provided which include a top cover divided into a center cowling emmber, and removable front and rear cowling members, or alternatively, two removable side cowling members. Each of these embodiments provides a cowling assembly which can be easily removed or opened to permit convenient servicing of the engine, and which prevents water from entering into the interior of the cowling. In the first two embodiments, the front and rear cowling members, or alternatively the two side cowling members, are connected to the center cowling member by elastic bands. Instead of using elastic bands, however, third and sixth embodiments of this invention provided a pair of hinges to be used to pivotally connect the front and rear cowling members to the center cowling member at the tops thereof so that the front and rear cowling members or side cowling members can be opened up. Latch hooks and catch members releasably retain the front and rear or side cowling members in a closed position. Fourth and fifth embodiments of the invention use a pair of spring mechanisms for pivotally connecting and biasing the two side cowling members, or alternatively the front and rear cowling members, against the center cowling member at the tops thereof. Latch hooks and catch members are provided for releasably retaining the side or front and rear cowling members in a closed position. All of the embodiments include seal members held between adjoining edges of the cowling members to provide a water tight enclosure for the outboard motor engine.
    • 提供了用于舷外马达的动力头的整流罩组件的六个实施例,其包括分为中心整流罩的顶盖和可拆卸的前后整流罩构件,或者可替换地,两个可拆卸侧整流罩构件。 这些实施例中的每一个提供了可以容易地移除或打开以便允许对发动机的便利维修并且防止水进入整流罩内部的整流罩组件。 在前两个实施例中,前和后整流罩构件或者两侧整流罩构件通过弹性带连接到中央整流罩构件。 然而,代替使用弹性带,本发明的第三和第六实施例提供了一对铰链,其用于将前和后整流罩构件在其顶部枢转地连接到中央整流罩构件,使得前后整流罩构件或 侧面的整流罩成员可以打开。 锁扣钩和卡扣构件可释放地将前,后或侧罩组件保持在关闭位置。 本发明的第四和第五实施例使用一对弹簧机构,用于将两侧整流罩构件或者替代的前后整流罩构件在其顶部枢转地连接和偏压中心整流罩构件。 提供锁扣钩和卡扣构件以可释放地将侧面或前后整流罩构件保持在关闭位置。 所有实施例包括保持在整流罩构件的相邻边缘之间的密封构件,以为舷外马达发动机提供防水外壳。
    • 7. 发明授权
    • Electric drive unit
    • 电动单元
    • US06833641B2
    • 2004-12-21
    • US10705431
    • 2003-11-12
    • Tatsuki UchidaHirotaka YataYukio Yamada
    • Tatsuki UchidaHirotaka YataYukio Yamada
    • H02K919
    • B60K6/26B60K6/40B60K6/405B60K6/445B60K2001/003B60L3/0061B60L11/123B60L11/14B60L2210/40B60L2240/36B60L2240/425B60L2240/486H02K5/20H02K7/116H02K9/19H02K11/044H02K11/046Y02T10/6217Y02T10/6239Y02T10/641Y02T10/642Y02T10/7077Y02T10/7241Y02T90/16Y10S903/906Y10S903/951Y10S903/952
    • A working oil accumulated in oil reservoirs is supplied to electric motor cooling oil passages and lubricating oil passages in well-balanced manner all during the time of normal and very low temperatures in an electric drive unit. The electric drive unit comprises an electric motor and a feed oil passage, through which a working oil for cooling and lubrication is supplied to respective mechanisms of a drive unit including the electric motor, in a drive unit body. An oil reservoir communicates with a working oil supply source and is provided in an upper area of the drive unit body. A weir is provided between a first reservoir, which communicates the oil reservoir to the working oil supply source and communicated to small flow-rate discharge oil passages, and a second reservoir communicates with a large flow-rate discharge oil passage. Because discharge of the working oil to the large flow-rate discharge oil passage is thereby restricted until the working oil reaches a level to go over the weir, setting of an orifice on a side of the large flow-rate discharge oil passage in conformity to flowability of the working oil at the time of very low temperature makes it possible to prevent the working oil from excessively flowing to the side of the large flow-rate discharge oil passage at the time of normal temperature, while preventing a pressure rise in the oil reservoirs at the time of very low temperature.
    • 蓄积在油箱中的工作油在电驱动单元的正常和非常低的温度下均以均衡的方式供给电动机冷却油通道和润滑油通道。 电驱动单元包括电动机和进给油通道,用于冷却和润滑的工作油通过该供给油通道供应到驱动单元主体中的包括电动机的驱动单元的各个机构。 油箱与工作油供应源连通并设置在驱动单元主体的上部区域中。 在第一储存器之间设置有堰,所述第一储存器将储油器连通到工作油供应源并且连通到小流量排出油通道,并且第二储存器与大流量排出油通道连通。 因此,由于工作油向大流量排出油路的排放被限制,直到工作油达到超过堰的水平,所以在大流量排出油路一侧的孔口的设定符合 工作油在极低温度下的流动性使得能够防止工作油在常温下过度流向大流量排出油路侧,同时防止油中的压力升高 在非常低的温度下的水库。