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公开(公告)号：US20090229584A1
公开(公告)日：2009-09-17
申请号：US12379802
申请日：2009-03-02
IPC分类号： F02B25/06
CPC分类号： F02M25/06 , Y02T10/121
摘要： An electromagnetic PCV valve includes a valve seat, a valve element, a step motor for moving the valve element, and a housing that houses the valve seat, the valve element, and the step motor. When the valve element is moved by the step motor, a size (an opening degree) of a blow-by gas passage defined between the valve seat and the valve element is changed. The step motor is configured to selectively receive energization for moving the valve element and energization for holding the valve element in a fixed position. A heating apparatus of the PCV valve 1 includes a cover member and an output shaft that conducts heat generated in the step motor by energization to the valve element and the valve seat, and an electronic control unit (ECU) for conducting energization of the step motor to hold the valve element in the fixed position.
摘要翻译： 电磁PCV阀包括阀座，阀元件，用于移动阀元件的步进电机以及容纳阀座，阀元件和步进电机的壳体。 当阀元件由步进电机移动时，限定在阀座和阀元件之间的窜气通道的尺寸（开度）改变。 步进电动机构造成选择性地接收用于移动阀元件的通电和用于将阀元件保持在固定位置的通电。 PCV阀1的加热装置包括盖构件和输出轴，其通过向阀元件和阀座通电而将步进电机中产生的热传导;以及电子控制单元（ECU），用于使步进电机 以将阀元件保持在固定位置。
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公开(公告)号：US08087403B2
公开(公告)日：2012-01-03
申请号：US12379802
申请日：2009-03-02
IPC分类号： F01M13/00
CPC分类号： F02M25/06 , Y02T10/121
摘要： An electromagnetic PCV valve includes a valve seat, a valve element, a step motor for moving the valve element, and a housing that houses the valve seat, the valve element, and the step motor. When the valve element is moved by the step motor, a size (an opening degree) of a blow-by gas passage defined between the valve seat and the valve element is changed. The step motor is configured to selectively receive energization for moving the valve element and energization for holding the valve element in a fixed position. A heating apparatus of the PCV valve 1 includes a cover member and an output shaft that conducts heat generated in the step motor by energization to the valve element and the valve seat, and an electronic control unit (ECU) for conducting energization of the step motor to hold the valve element in the fixed position.
摘要翻译： 电磁PCV阀包括阀座，阀元件，用于移动阀元件的步进电机以及容纳阀座，阀元件和步进电机的壳体。 当阀元件由步进电机移动时，限定在阀座和阀元件之间的窜气通道的尺寸（开度）改变。 步进电动机构造成选择性地接收用于移动阀元件的通电和用于将阀元件保持在固定位置的通电。 PCV阀1的加热装置包括盖构件和输出轴，其通过向阀元件和阀座通电而将步进电机中产生的热传导;以及电子控制单元（ECU），用于使步进电机 以将阀元件保持在固定位置。
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公开(公告)号：US20120055442A1
公开(公告)日：2012-03-08
申请号：US13320641
申请日：2009-05-20
IPC分类号： F01M1/02
摘要： A switching mechanism switches the pressure stage of oil, which is fed from an oil pan to the individual parts of an internal combustion engine, between two stages, which are a low-pressure stage and a high-pressure stage. An electronic control device controls the action of the switching mechanism. The electronic control device determines that the liquid level of the oil is abnormal on the basis of the fact that the liquid level of the oil, which is detected by a liquid level sensor, in the oil pan becomes lower than a predetermined value. If the pressure stage of the oil is set at the low-pressure stage through the switching mechanism, the predetermined value is set at a higher value than that when the pressure stage is set at the high-pressure stage.
摘要翻译： 开关机构将从油盘供给到内燃机的各部分的油的压力级在低压级和高压级两级之间切换。 电子控制装置控制切换机构的动作。 电子控制装置根据由油位传感器检测到的油在液面油中的液位变得低于预定值的事实，判断为油的液位异常。 如果通过切换机构将油的压力级设定在低压级，则将预定值设定为比将压力级设定在高压级时的值更高的值。
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