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    • 4. 发明申请
    • Rotorcraft having coaxial counter-rotating rotors which produce both vertical and horizontal thrust and method of controlled flight in all six degrees of freedom
    • 旋翼机具有同轴的反向旋转转子,可产生垂直和水平推力以及所有六个自由度的受控飞行方法
    • US20050067527A1
    • 2005-03-31
    • US10672003
    • 2003-09-25
    • Bruce Petersen
    • Bruce Petersen
    • B64C27/10B64C27/605B64C27/615B64C39/00B64C27/00
    • B64C27/615B64C27/08B64C27/10B64C27/20B64C27/56Y02T50/34
    • A rotorcraft and method for providing controlled flight which provides flight in all six degrees of freedom of pitch, roll, yaw, up/down, forward/rear, and left/right. The rotorcraft includes a fuselage with a pair of counter-rotating rotor blade assemblies each having a plurality of radially-extending airfoil shaped blades about a vertically disposed central axis. A rotor drive system mounted to the fuselage includes a motor or engine for rotationally driving the rotor blade assemblies. A rotor blade control system monitors the rotational location of each blade relative to the fuselage and allows a pilot to control respective vertical and horizontal thrust components of the blades corresponding to lift versus drag characteristics of the airfoils during rotation about the fuselage. This is done by changing the pitch angles of the blades and/or by utilizing respective flaps pivotally mounted to the blades to change the effective pitch angle of the blades.
    • 旋翼航空器和提供控制飞行的方法,其提供俯仰,滚动,偏航,上/下,前/后和左/右的全部六个自由度的飞行。 旋翼航空器包括具有一对反向旋转的转子叶片组件的机身,每个转子叶片组件具有围绕垂直设置的中心轴线的多个径向延伸的翼型叶片。 安装到机身的转子驱动系统包括用于旋转地驱动转子叶片组件的马达或发动机。 转子叶片控制系统监测每个叶片相对于机身的旋转位置,并且允许飞行员控制叶片的相应垂直和水平推力分量,其对应于在围绕机身旋转期间翼型件的升力与阻力特性。 这是通过改变叶片的桨距角和/或通过利用枢转地安装到叶片的各个翼片来改变叶片的有效俯仰角来完成的。
    • 9. 发明申请
    • Apparatus and process for cooling and de-steaming calcined stucco
    • 煅烧灰泥冷却和脱蒸的装置和方法
    • US20060010895A1
    • 2006-01-19
    • US10891964
    • 2004-07-15
    • Michael BolindChristopher NelsonBruce PetersenMichael Porter
    • Michael BolindChristopher NelsonBruce PetersenMichael Porter
    • F25D23/12B67D5/62C04B9/04C04B11/00C04B28/14
    • C04B11/007
    • The present invention is an apparatus and process for cooling and de-steaming hot calcined stucco used in the production of gypsum boards or bagged plaster. The apparatus is a fluid bed stucco cooler and comprises a cooler housing having a plenum having a stucco inlet and stucco outlet. The stucco cooler includes a rotating disk in the plenum. The rotating disk includes nozzle for spraying fluid, and is attached to a rotable shaft extending from the side of the cooler also includes a fluidization pad and agitator to help to mix the air and the stucco powder to insure fluidization, prevent channeling, and prevent the stucco powder from building up on the various components. The air also forces steam from the hot calcined stucco out through an air outlet located at the top of the stucco cooler, thereby de-steaming the stucco. The stucco flows through the plenum and passes over the cooling coils, thereby cooling the stucco as it reaches the stucco outlet.
    • 本发明是用于生产石膏板或袋装石膏中的用于冷却和蒸发热煅烧灰泥的装置和方法。 该设备是流化床灰泥冷却器,并且包括具有灰泥入口和灰泥出口的增压室的冷却器壳体。 灰泥冷却器包括在气室中的旋转盘。 旋转盘包括用于喷射流体的喷嘴,并且附接到从冷却器侧延伸的可旋转轴还包括流化垫和搅拌器,以帮助混合空气和灰泥粉末,以确保流化,防止流动,并防止 灰泥粉从各种组成部分组成。 空气还强制来自热煅烧灰泥的蒸汽通过位于灰泥冷却器顶部的空气出口,从而使灰泥脱蒸。 灰泥流经通风室并通过冷却盘管,从而当灰泥到达灰泥出口时冷却灰泥。