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    • 24. 发明授权
    • Hydrostatic transmission including a simplified ratio controller
    • 液压传动包括一个简化的比例控制器
    • US5486142A
    • 1996-01-23
    • US342472
    • 1994-11-21
    • Lawrence R. Folsom
    • Lawrence R. Folsom
    • F16D39/00F16H39/10F16H61/00F16D31/02
    • F16H39/10F16H2039/105
    • A continuously variable hydrostatic transmission includes an input shaft connected to drive a hydraulic pump unit, a grounded hydraulic motor unit, and an output shaft. A wedge-shaped swashplate is pivotally mounted to the output shaft in driving connection to receive output torque resulting from the exchange of pressurized hydraulic fluid between the pump and motor units through specially configured ports in the swashplate. A hydraulically actuated ratio controller shifts the axial positions of spherical bearings mounting a pump cylinder block in the hydraulic pump unit and a motor cylinder block in the hydraulic motor unit to adjust the swashplate angle relative to the output shaft axis and thereby change transmission ratio.
    • 连续可变的静液压变速器包括连接以驱动液压泵单元的输入轴,接地液压马达单元和输出轴。 楔形斜盘在驱动连接中枢转地安装到输出轴,以接收通过斜盘中的特殊配置的端口在泵和马达单元之间更换加压液压流体而产生的输出扭矩。 液压致动比控制器将在液压泵单元中安装泵缸体的球面轴承的轴向位置和液压马达单元中的马达缸体移动,以相对于输出轴轴线调节斜盘角度,从而改变传动比。
    • 25. 发明授权
    • Hydraulic machine with wedge-shaped swashplate
    • 带楔形斜盘的液压机
    • US5423183A
    • 1995-06-13
    • US93192
    • 1993-07-13
    • Lawrence R. Folsom
    • Lawrence R. Folsom
    • F16H39/14F04C14/20F16D39/00F16H39/10F16H39/32F16D31/02F01B13/04
    • F16H39/32F04C14/20F16H39/10F16H2039/105
    • A continuously variable transmission includes a pump (258) driven by an input shaft (256) against a wedge-shaped swashplate (260). Hydraulic fluid pressurized in the pump flows through ports (402) in a pump cylinder block (422) into kidney-shaped slots (406) in the swashplate (260), and from there flows into and pressurizes a series of cylinders (394) in a motor cylinder block (366). The pump and motor exert first and second components of torque on a swashplate (260) in the rotational direction on the input shaft (256), and the hydraulic system pressure in the swashplate slots exerts a third component of torque in the same direction on the swashplate (260). The third torque component is a product of the hydraulic system pressure and the differential area of the two ends of the high pressure slot (406P) at the narrow and thick sides of the wedge-shaped swashplate (260). The swashplate (260) drives an output shaft (266) through an output sleeve (264) pinned to the outside peripheral edge ( 416) of the swashplate (260). The input/output ratio of the transmission is controlled by controlling the tilt angle of the swashplate (260) with a control sleeve (268), coupled at one end to the swashplate (260) through a coupling mechanism (267) and coupled at the other end through a bearing (528) to an axially movable control cylinder (270). The axial position of the control cylinder (270) is hydraulically controlled by a follower valve system (269) which moves the control cylinder (270) to positions uniquely corresponding to positions of a manually or automatically positioned control rod (636).
    • 无级变速器包括由输入轴(256)驱动的与楔形斜盘(260)相对的泵(258)。 在泵中加压的液压流体通过泵缸体(422)中的端口(402)流入旋转斜盘(260)中的肾形槽(406),并且从那里流入和加压一系列气缸(394) 马达缸体(366)。 泵和马达在输入轴(256)上沿旋转方向在斜盘(260)上施加扭矩的第一和第二分量,并且斜盘槽中的液压系统压力在相同方向上施加扭矩的第三分量 斜盘(260)。 第三扭矩分量是在楔形斜盘(260)的窄而厚的侧面处的液压系统压力和高压槽(406P)的两端的差速区域的乘积。 斜盘(260)驱动输出轴(266)穿过固定到旋转斜盘(260)的外周缘(416)的输出套筒(264)。 通过用控制套管(268)控制斜盘(260)的倾斜角来控制变速箱的输入/输出比,其一端通过联接机构(267)耦合到旋转斜盘(260),并且在 另一端通过轴承(528)到可轴向移动的控制缸(270)。 控制气缸(270)的轴向位置由一个随动阀系统(269)液压控制,该随动阀系统使控制气缸(270)移动到与手动或自动定位的控制杆(636)的位置唯一对应的位置。
    • 26. 发明授权
    • Free-piston stirling engine inertial cancellation system
    • 自由活塞斯特林发动机惯性取消系统
    • US4418533A
    • 1983-12-06
    • US168718
    • 1980-07-14
    • Lawrence R. Folsom
    • Lawrence R. Folsom
    • F02G1/043F02G1/06
    • F02G1/0435F02G2244/50F02G2258/10
    • A free piston Stirling engine inertial cancellation system includes a displacer reciprocating in a hermetic vessel enclosing a working space to circulate working gas through a heater, regenerator, and cooler to create a pressure wave in the working space. A power piston, mechanically unconnected to the displacer, is reciprocally driven by the pressure wave to produce a power output stroke in one direction and a working gas compression stroke in the other direction. The displacer and the power piston form substantially a first mass in the working space. A second mass, outside the working space and preferably including an alternator plunger, is mounted in the vessel and is coupled to the first mass momentum exchange relationship. Spring means and tuning means cause the second mass to reciprocate out-of-phase with the displacer and the power piston so that the phase of the moving masses produces inertia phasors which substantially cancel and so that little or no inertia of the reciprocating masses is transmitted through the vessel to the mounting structure of the engine.
    • 自由活塞斯特林发动机惯性取消系统包括在包封工作空间的密封容器中往复运动的置换器,以使工作气体通过加热器,再生器和冷却器循环,以在工作空间中产生压力波。 机械地不连接到置换器的动力活塞由压力波相互驱动,以在一个方向上产生功率输出冲程,并在另一个方向产生工作气体压缩冲程。 置换器和动力活塞基本上在工作空间中形成第一质量。 在工作空间外部并且优选地包括交流发电机柱塞的第二质量块安装在容器中并且耦合到第一质量动量交换关系。 弹簧装置和调谐装置使得第二质量与置换器和动力活塞异相往复运动,使得移动质量块的相位产生基本上消除的惯性相量,并且使得往复运动质量的惯性很少或没有传递 通过船舶到发动机的安装结构。
    • 28. 发明授权
    • Diaphragm coupling between the displacer and power piston
    • 置换器和动力活塞之间的隔膜耦合
    • US4350012A
    • 1982-09-21
    • US168075
    • 1980-07-14
    • Lawrence R. FolsomJohn J. Dineen
    • Lawrence R. FolsomJohn J. Dineen
    • F02G1/043F02G1/04
    • F02G1/0435F02G2244/50F02G2275/40
    • A free-piston Stirling engine usable as a heat pump has a closed vessel filled with helium working gas which is heated at the bottom end and cooled at the top end. The vessel contains a displacer supported for axial reciprocal oscillation on a gas spring post mounted on the vessel. The displacer shuttles the working gas from end to end in the vessel, alternately heating and cooling the gas. The vessel is sealed with a flexible diaphragm which flexes in response to the pressure wave generated in the vessel as the working gas is alternately heated and cooled. When the diaphragm flexes, it displaces hydraulic fluid in a hydraulic chamber and drives a power piston for driving a linear alternator and a gas compressor. A gas spring operating on a second hydraulic cylinder on the other side of the power piston stores part of the energy of the piston stroke and returns it for the return stroke. Controls are provided for balancing and controlling the hydraulic fluid pressure, for starting the Stirling engine, and for modulating its power output.
    • 可用作热泵的自由活塞斯特林发动机具有填充有氦工作气体的密闭容器,其在底端被加热并在顶端被冷却。 容器包含支撑在安装在容器上的气弹簧柱上的轴向往复振荡的置换器。 置换器将工作气体从容器中的端部穿过,交替地加热和冷却气体。 该容器用柔性隔膜密封,该柔性膜片随着工作气体交替加热和冷却而响应于在容器中产生的压力波而弯曲。 当隔膜弯曲时,其移动液压室中的液压流体并驱动用于驱动线性交流发电机和气体压缩机的动力活塞。 在动力活塞的另一侧上操作在第二液压缸上的气弹簧存储活塞行程的一部分能量并使其返回以返回行程。 提供控制用于平衡和控制液压流体压力,用于启动斯特林发动机和调节其功率输出。