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    • 4. 发明授权
    • Air motor with offset front and rear exhausts
    • 空气马达,前后排气
    • US5383771A
    • 1995-01-24
    • US169414
    • 1993-12-20
    • Anil P. GhodeThomas J. DiedrichRaymond D. De Rome
    • Anil P. GhodeThomas J. DiedrichRaymond D. De Rome
    • F01C13/02F01C21/18F04C2/00
    • F01C21/18F01C13/02Y10S415/904
    • A rotary air motor has a liner disposed within a tool housing and having a cylindrical bore therethrough. A rotor having radially slidable vanes is eccentrically rotatably mounted in the bore by bearings in the plates of the liner, the vanes cooperating with the rotor and the liner to define a plurality of rotating variable volume fluid compartments. A fluid inlet port in one end plate communicates sequentially with the fluid compartments. First and second exhaust ports respectively formed in the end plates also communicate sequentially with the fluid compartments, but the two exhaust ports are angularly offset from each other so that the fluid compartments communicate first with the exhaust port remote from the entry end plate and then with the exhaust port at the entry end plate. The exhaust passage from the remote exhaust port passes along the outside of the liner back to the entry end plate, thereby ensuring cooling of both ends of the motor.
    • 旋转式空气马达具有设置在工具壳体内并具有穿过其中的圆柱形孔的衬套。 具有径向可滑动的叶片的转子通过衬套板中的轴承偏心地可旋转地安装在孔中,叶片与转子和衬套配合以限定多个旋转的可变体积流体隔室。 一个端板中的流体入口与流体室顺序地连通。 分别形成在端板中的第一和第二排气口也与流体隔间顺序连通,但是两个排气口彼此成角度地偏移,使得流体隔间首先与远离入口端板的排气口连通,然后与 入口端板上的排气口。 来自远程排气口的排气通道沿着衬套的外侧返回到入口端板,从而确保电动机两端的冷却。
    • 9. 发明授权
    • Power tool with air deflector for venting motor exhaust air
    • 带导气板的电动工具,用于排放电机废气
    • US6043575A
    • 2000-03-28
    • US263992
    • 1999-03-05
    • Anil P. GhodeMartin S. ScolaroRaymond D. DeRome
    • Anil P. GhodeMartin S. ScolaroRaymond D. DeRome
    • B25F5/02B25F5/00H02K7/14H02K9/06H02K9/00
    • H02K7/145B25F5/008H02K9/06
    • A power tool is provided and includes a tool housing having interior and exterior surfaces and inlet and outlet air vents and a motor disposed in the tool housing and having a motor housing with an external surface and inlet air ports for the passage of cooling air into the motor and outlet air ports for passage of warmed exhaust air from the motor. The inlet and outlet air ports open at the external surface and the outlet air ports are spaced from the inlet air ports. The tool also includes an air deflector resiliently coupled to the external surface. The air deflector includes wall structures bracketing the outlet air ports. The structures have portions extending to and contacting the interior surface of the tool housing and bracketing the outlet air vents to form a barrier around the outlet air ports and vents to channel exhaust air to the outlet vents and substantially inhibit exhaust air from the outlet air ports from entering the inlet air ports or other portions of the tool.
    • 提供电动工具,并且包括具有内表面和外表面以及入口和出口通风口的工具壳体和设置在工具壳体中的电动机,并且具有带有外表面的电动机壳体和用于将冷却空气通入 电机和出气口,用于从电机通过加热的排气。 入口和出口空气端口在外表面打开,出口空气口与进气口间隔开。 该工具还包括弹性地联接到外表面的空气导流板。 导风板包括包围出风口的墙壁结构。 结构具有延伸到工具壳体的内表面并接触工具外壳的内表面的部分,并且包围出口空气通风口以在出口空气端口和通风口周围形成屏障,以将废气引导到出口通风口,并基本上阻止来自出口空气端口的排出空气 不能进入进气口或工具的其他部分。