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1. 发明授权

US06332522B1 Hydraulic coupling for vehicle drivetrain 失效
标题翻译：车辆传动系液压联轴器
公开(公告)号：US06332522B1
公开(公告)日：2001-12-25
申请号：US09578727
申请日：2000-05-26
申请人： David Marshal Morse , Jun Yoshioka
发明人： David Marshal Morse , Jun Yoshioka
IPC分类号： F16D2502
CPC分类号： F16D43/284
摘要： A control valve of a hydraulic coupling controls pumping through a casing inlet port by a hydraulic pump and/or through a casing outlet port to control coupling between two rotary members such as by operation of a clutch. The casing is connected to one of the rotary members while a pumping component embodied by an impeller is connected to the other rotary member and meshed with an internal ring gear having one more tooth than the number of impeller teeth to provide sufficient pumping capacity so that the pump can act as a brake while still having relatively constant pumping pressure. A pressure port plate creates a hydraulic flow path for a gerotor pump and maintains pressure equalization about the gerotor pump. The pressure/torque controlling groove formed in the grooved port plate creates an efficient use of space, and the dimensions and cross sectional area of the groove can be changed easily to produce different pressure/torque curves. Supercharging occurs when the port plate groove connects the pressure and intake apertures (or halves) of the eccentric pump. Supercharging increases the threshold of speed at which harmful cavitation can occur and also reduces the amount of oil that must be drawn into a positive displacement pump.
摘要翻译：液压联轴器的控制阀通过液压泵和/或通过壳体出口端口控制泵送通过壳体入口端口，以通过操作离合器来控制两个旋转构件之间的联接。壳体连接到一个旋转构件，而由叶轮实现的泵送部件连接到另一旋转构件并与具有比叶轮齿数多的齿的内齿圈啮合以提供足够的泵送能力，使得泵可以作为制动器，同时仍然具有相对恒定的泵送压力。压力端口板为摆线泵产生液压流路并保持关于齿轮泵的压力平衡。形成在槽形端口板中的压力/扭矩控制槽产生空间的有效利用，并且可以容易地改变槽的尺寸和横截面积，以产生不同的压力/扭矩曲线。当端口板槽连接偏心泵的压力和进气孔（或两半）时，会发生增压。增压增加了可能发生有害气蚀的速度阈值，并且还减少必须吸入容积式泵的油量。

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