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    • 4. 发明授权
    • Liquid delivery apparatus
    • 液体输送装置
    • US09381527B2
    • 2016-07-05
    • US13591506
    • 2012-08-22
    • David Mitchell
    • David Mitchell
    • B05B3/16B05B1/08B05B1/30B05B3/04B05B12/06B05B12/08A01C23/04
    • B05B1/086A01C23/04B05B1/304B05B3/04B05B3/16B05B12/06B05B12/08Y10T74/18056
    • A liquid delivery apparatus includes a base assembly; a vessel into which liquid may be introduced to at least partially fill the vessel and to pressurize the liquid in the vessel; a nozzle including a discharge tube and a nozzle outlet, wherein the nozzle is rotatable with respect to the base assembly, and the nozzle outlet is provided at a distal end of the nozzle via which the liquid may be discharged from the vessel under the pressure of the liquid in the vessel; and a valve between the vessel and the nozzle to control passage of liquid from the vessel to the nozzle outlet; wherein the valve and nozzle discharge tube are substantially in line. A drive system is also disclosed that drives rotation of the nozzle with respect to the base assembly. The drive system may be configured to propel the liquid delivery apparatus along the ground.
    • 液体输送装置包括基座组件; 可以将液体引入其中以至少部分地填充容器并对容器中的液体加压的容器; 喷嘴,其包括排出管和喷嘴出口,其中所述喷嘴可相对于所述基座组件旋转,并且所述喷嘴出口设置在所述喷嘴的远端,所述喷嘴通过所述喷嘴出口可以在所述喷嘴的远端处在压力下从所述容器排出 容器中的液体; 以及容器和喷嘴之间的阀,以控制液体从容器到喷嘴出口的通道; 其中所述阀和喷嘴排出管基本上成一直线。 还公开了驱动喷嘴相对于基座组件旋转的驱动系统。 驱动系统可以被配置成沿着地面推进液体输送装置。
    • 5. 发明授权
    • Belt positioner
    • 皮带定位器
    • US08684871B2
    • 2014-04-01
    • US12854579
    • 2010-08-11
    • David Mitchell
    • David Mitchell
    • F16H7/22
    • F16H7/24
    • A belt positioner 1 for installing a flexible belt into a grooved periphery 12 of a pulley 11. The positioner 1 comprises a belt guiding ramp 2, a pulley flange engaging mechanism 3, a handle 4 and a belt guiding rim 5. The belt guiding ramp 2 is extendible across the grooved periphery 12 and a belt-bearing slanting surface 20 of the ramp 2 enables the belt to be moved into engagement with the grooved periphery 12 when the pulley 11 is rotated about its rotational axis. The pulley flange engaging mechanism 3 comprises a groove 30 extending across the positioner 1 for receiving a pulley flange 13 bordering the grooved periphery 12 and a shoulder 31 bordering the groove 30 for bearing against a side face 14 of the pulley flange 13, wherein the engaging mechanism 3 locks the positioner 1 to the pulley 11 while the belt bears against the slanting surface 20. The handle 4 extends from the ramp 2 and provides a gripping surface 42 for fingers adjacent the ramp 2. In use the handle 4 extends laterally of the grooved periphery 12 and substantially parallel with the rotational axis of the pulley 11. When installing a belt, the positioner 1 need not engage a shaft of the pulley 11 nor be mounted to the pulley 11 in any additional way.
    • 皮带定位器1,用于将柔性带安装到滑轮11的槽周边12中。定位器1包括皮带引导斜面2,滑轮凸缘接合机构3,手柄4和皮带引导边缘5.皮带引导斜面 2可以穿过带槽的周边12延伸,并且当滑轮11围绕其旋转轴线旋转时,斜面2的带承载倾斜表面20使得带能够移动成与凹槽周边12接合。 皮带轮法兰接合机构3包括一个延伸穿过定位器1的槽30,用于接收与沟槽周边12相邻的皮带轮凸缘13和与凹槽30接合的肩部31,用于支承滑轮法兰13的侧面14, 机构3将定位器1锁定到滑轮11,同时带子抵靠在倾斜表面20上。手柄4从斜面2延伸并提供用于靠近斜坡2的指状物的抓握表面42.在使用中,手柄4横向延伸 开槽周边12并且基本上平行于滑轮11的旋转轴线。当安装皮带时,定位器1不需要接合皮带轮11的轴,也不会以任何附加的方式安装到皮带轮11。
    • 7. 发明授权
    • Gear pump
    • 齿轮泵
    • US07811072B2
    • 2010-10-12
    • US11822789
    • 2007-07-10
    • David Mitchell
    • David Mitchell
    • F01C1/18
    • F04C2/18F01C13/00F04C15/0073F04C15/008F04C23/02F04C2240/40
    • A gear pump (1) for use with a hand-operated tool (200) having a rotatable shaft (201), said gear pump (1) comprising: a housing (5) having a chamber (6), an inlet (65) for fluid into the chamber (6) and an outlet (66) for fluid from the chamber (6); and a gear assembly (2) comprising at least one gear (21) mounted for rotation within the chamber (6) between the inlet (65) and outlet (66), and a drive shaft (24, 25) extending from the gear (21) and externally of the chamber (6), wherein a tool-engaging end (25) of the drive shaft (24, 25) is engageable with the rotatable shaft (201) of the hand tool (200) such that rotation of the drive shaft (24, 25) by the hand tool (200) causes fluid to move between said inlet (65) and outlet (66).
    • 一种与具有可旋转轴(201)的手动工具(200)一起使用的齿轮泵(1),所述齿轮泵(1)包括:壳体(5),具有腔室(6),入口(65) 用于流体进入腔室(6)和用于来自腔室(6)的流体的出口(66); 以及齿轮组件(2),其包括安装成用于在所述入口(65)和出口(66)之间的所述腔室(6)内旋转的至少一个齿轮(21)和从所述齿轮(65)延伸的驱动轴(24,25) 21)和室(6)的外部,其中驱动轴(24,25)的工具接合端(25)可与手动工具(200)的可旋转轴(201)接合,使得旋转 通过手动工具(200)的驱动轴(24,25)使得流体在所述入口(65)和出口(66)之间移动。
    • 9. 发明申请
    • Gear pump
    • 齿轮泵
    • US20090016919A1
    • 2009-01-15
    • US11822789
    • 2007-07-10
    • David Mitchell
    • David Mitchell
    • F04C18/00
    • F04C2/18F01C13/00F04C15/0073F04C15/008F04C23/02F04C2240/40
    • A gear pump (1) for use with a hand-operated tool (200) having a rotatable shaft (201), said gear pump (1) comprising: a housing (5) having a chamber (6), an inlet (65) for fluid into the chamber (6) and an outlet (66) for fluid from the chamber (6); and a gear assembly (2) comprising at least one gear (21) mounted for rotation within the chamber (6) between the inlet (65) and outlet (66), and a drive shaft (24, 25) extending from the gear (21) and externally of the chamber (6), wherein a tool-engaging end (25) of the drive shaft (24, 25) is engageable with the rotatable shaft (201) of the hand tool (200) such that rotation of the drive shaft (24, 25) by the hand tool (200) causes fluid to move between said inlet (65) and outlet (66).
    • 一种与具有可旋转轴(201)的手动工具(200)一起使用的齿轮泵(1),所述齿轮泵(1)包括:壳体(5),具有腔室(6),入口(65) 用于流体进入腔室(6)和用于来自腔室(6)的流体的出口(66); 以及齿轮组件(2),其包括安装成用于在所述入口(65)和出口(66)之间的所述腔室(6)内旋转的至少一个齿轮(21)和从所述齿轮(65)延伸的驱动轴(24,25) 21)和室(6)的外部,其中驱动轴(24,25)的工具接合端(25)可与手动工具(200)的可旋转轴(201)接合,使得旋转 通过手动工具(200)的驱动轴(24,25)使得流体在所述入口(65)和出口(66)之间移动。
    • 10. 发明授权
    • Liquid delivery apparatus
    • 液体输送装置
    • US07048145B2
    • 2006-05-23
    • US10312422
    • 2001-06-26
    • David Mitchell
    • David Mitchell
    • B05B12/08
    • B05B12/06B05B12/08
    • A liquid delivery apparatus includes a vessel having an inlet and an outlet, and a valve between the vessel and the outlet. The valve has an opening, a closure member for closing the opening, and a biasing means to hold the valve in a normally-closed position. A valve control mechanism controls operation of the valve in response to pressure of liquid and air in the vessel. A transmitting means transmits the pressure to the valve control mechanism. The valve control mechanism includes a moveable element that can be acted on by the pressure in the vessel and transmit a resultant force to the closure member to thereby open the valve. The respective effective surface areas of the moveable element and the closure member and the force of the biasing means are chosen such that the closure member is openable when the pressure in the vessel reaches a predetermined level.
    • 液体输送装置包括具有入口和出口的容器以及容器和出口之间的阀。 阀具有开口,用于关闭开口的关闭构件和用于将阀保持在常闭位置的偏压装置。 阀控制机构响应于容器中的液体和空气的压力来控制阀的操作。 传递装置将压力传递到阀控制机构。 阀门控制机构包括能够通过容器中的压力作用的可移动元件,并将合力传递到封闭构件,从而打开阀门。 选择可移动元件和关闭构件的相应有效表面积以及偏置装置的力,使得当容器中的压力达到预定水平时,关闭构件可打开。