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    • 1. 发明申请
    • VARIABLE FLOW WATER PUMP
    • 可变流量水泵
    • WO01079703A1
    • 2001-10-25
    • PCT/CA2001/000541
    • 2001-04-12
    • F04D15/00
    • F04D15/0055
    • A variable-capacity water pump includes a housing having an impeller mounted on a rotatable shaft. The impeller includes a plurality of vanes pivotally coupled between upper and lower shroud and operatively coupled to a pitch plate. As the pump speed increases in response to increasing engine speed, the pitch plate controls the rotation of the impeller vanes about a fixed rivet from a maximum pitch position, toward a minimum pitch position, thereby lowering pump output according to engine cooling requirements.
    • 可变容量水泵包括具有安装在可旋转轴上的叶轮的壳体。 叶轮包括枢转地联接在上部和下部护罩之间并可操作地联接到节距板上的多个叶片。 随着泵速度随着发动机转速的增加而增加,俯仰板控制叶轮叶片围绕固定铆钉从最大俯仰位置到最小桨距位置的旋转,从而根据发动机冷却要求降低泵输出。
    • 2. 发明申请
    • ADJUSTMENT DEVICE FOR ADJUSTING PROPELLER BLADES OF A PROPELLER PUMP AND A PROPELLER PUMP INCLUDING SUCH A DEVICE
    • 用于调节螺旋桨的螺旋叶片的调节装置和包括这种装置的螺旋桨泵
    • WO2006137765A1
    • 2006-12-28
    • PCT/SE2006/000658
    • 2006-06-05
    • ITT MANUFACTURING ENTERPRISES INCSVENSSON, Roland
    • SVENSSON, Roland
    • F04D15/00
    • F04D15/0055
    • The present invention relates to an adjustment device for adjusting the pitch angle of the propeller blades (4) of a propeller pump (1) and a propeller pump incorporating such a device. The adjustment device comprises adjustment means (5; 25; 35) mounted within the hub (2) arranged to be axially movable in a direction along the drive shaft (7), the adjustment means (5; 25; 35) being provided with a plurality of guide slots (6; 26a, 26b; 36) arranged at circumferential spacings around the surface; a plurality of attachment means (20) rotationally mounted in the hub (2), each being fixedly attached to a propeller blade (4) and supported by at least one guide slot (6; 26a, 26b; 36), wherein each attachment means (20) and the corresponding at least one guide slot (6; 26a, 26b; 36) are arranged to interact such that a force applied on the attachment means (20) is distributed symmetrically about an axis perpendicular to the drive shaft (7) and parallel with a rotational axis of the attachment means (20); and wherein the guide slots (6; 26a, 26b; 36) are arranged to, at an axial movement of the adjustment means (5; 25; 35), cause the attachment means (5; 25; 35) to rotate about its own rotational axis, whereby the propeller blade (4) in turn is rotated.
    • 本发明涉及一种用于调节螺旋桨泵(1)的螺旋桨叶(4)的俯仰角的调节装置和结合有这种装置的螺旋桨泵。 所述调节装置包括安装在所述轮毂(2)内的调节装置(5; 25; 35),所述调节装置设置成沿着所述驱动轴(7)的方向可轴向移动,所述调节装置(5; 25; 35) 多个导向槽(6; 26a,26b; 36)布置在表面周围的圆周间隔处; 多个安装在所述轮毂(2)中的附接装置(20),每个固定装置固定地附接到螺旋桨叶片(4)上并由至少一个导向槽(6; 26a,26b; 36)支撑,其中每个连接装置 (20)和相应的至少一个引导槽(6; 26a,26b; 36)被布置成相互作用,使得施加在附接装置(20)上的力围绕垂直于驱动轴(7)的轴线对称地分布, 并与所述附接装置(20)的旋转轴平行; 并且其中所述引导槽(6; 26a,26b; 36)被布置成在所述调节装置(5; 25; 35)的轴向移动时使所述附接装置(5; 25; 35)围绕其自身 旋转轴线,由此螺旋桨叶片4依次旋转。