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    • 22. 发明专利
    • Water pump
    • 水泵
    • JP2008248742A
    • 2008-10-16
    • JP2007088921
    • 2007-03-29
    • Toyota Motor Corpトヨタ自動車株式会社
    • SOGO NORISUKESHIKITA TAKASUKE
    • F01P7/16F01P5/10
    • F04D15/0005F01P7/162F04D15/0027
    • PROBLEM TO BE SOLVED: To provide a water pump capable of keeping temperature of cooling water of an internal combustion engine low and circulation quantity of cooling water more than that during light load operation of the internal combustion engine when temperature of cooling water of the internal combustion engine is high and when load of the internal combustion is heavy, without using a control device of complicated structure.
      SOLUTION: The water pump 10 is driven by driving force generated by the internal combustion engine and generates high driving force as pressure introduced in a pressure chamber 31b is high. The pressure chamber 31b and VSV (Vacuum Switching Valve) 80 are connected by a first passage 62, a section at a downstream side of a throttle valve 60 in an intake air passage 57 and the VSV 80 is connected by a second passage 64, and an atmospheric pressure space 59 and the VSV 80 are connected by a third passage 64. In the VSV 80, volume of wax in a temperature sensitive case 90 expands as temperature of cooling water of the engine is high and a valve element 87 changes a state connecting the first passage 62 and the second passage 63 to a state connecting the first passage 62 to the third passage 64.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种水泵,其能够使内燃机的冷却水的温度低,并且冷却水的循环量比内燃机的轻负载运转时的冷却水的温度高, 内燃机高,内燃负荷较重时,不使用结构复杂的控制装置。 解决方案:水泵10由内燃机产生的驱动力驱动,并且在压力室31b中引入的压力高时产生高驱动力。 压力室31b和VSV(真空切换阀)80通过第一通路62,进气通道57中的节流阀60的下游侧的部分连接,VSV80由第二通路64连接, 大气压力空间59和VSV 80通过第三通道64连接。在VSV80中,温度敏感的壳体90中的蜡的体积随着发动机冷却水的温度高而膨胀,阀元件87改变状态 将第一通道62和第二通道63连接到连接第一通道62与第三通道64的状态。版权所有(C)2009,JPO&INPIT
    • 24. 发明专利
    • Pump
    • PUMP
    • JPS58183894A
    • 1983-10-27
    • JP6531882
    • 1982-04-21
    • Hitachi Ltd
    • MARU SABUROU
    • F04D13/02F04D15/00F04D29/22
    • F04D15/0027
    • PURPOSE:To permit saving of energy and changing of characteristics by a method wherein fixed blade impellers are divided into a plurality of sets and they are constituted so that these divided impellers can be driven individually and an arbitrary number of impellers can be selected to drive at any time. CONSTITUTION:When one of the divided impeller 1A of the fixed blade impeller 1, which is fixed to a main driving shaft 2 connected directly to a driving machine (not shown in the diagram), is desired to be driven, the clutch handle 4A of a clutch device 4 is pivoted counterclockwise to a position shown by a two- dot chain line in the diagram, then, an internal gear 4C is displaced to a position shown by the two-dot chain line in the diagram. As a result, the internal gear 4C is released from an external gear 4D fixed to a sub driving shaft 3, to which the other divided impeller 1B is fixed, and the connection of the main driving shaft 2 with the sub driving shaft 3 is released, therefore, the divided impeller 1B does not move. Thus, any of the divided impellers 1A, 1B may be selected to drive at any time, therefore, saving of energy and changing of characteristics may be permitted.
    • 目的:为了节约能源和改变特性,其中固定叶片叶轮被分成多组,并且它们被构造成使得可以单独地驱动这些分开的叶轮,并且可以选择任意数量的叶轮来驱动 任何时候。 构成:当固定在与驱动机器(未图示)相连的主驱动轴2上的固定叶片叶轮1的分离叶轮1A中的一个希望被驱动时,离合器手柄4A 离合器装置4在图中以逆时针方向枢转到由双点划线所示的位置,然后内部齿轮4C移动到图中双点划线所示的位置。 结果,内部齿轮4C从固定到副驱动轴3的外齿轮4D释放,另一分割叶轮1B被固定到副驱动轴3上,主驱动轴2与副驱动轴3的连接被释放 因此,分离叶轮1B不移动。 因此,任何分离的叶轮1A,1B可以在任何时间被选择为驱动,因此可以允许节能和特性变化。