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    • 3. 发明授权
    • Airflow control devices with planar surfaces
    • 具有平面表面的气流控制装置
    • US07147271B2
    • 2006-12-12
    • US11436314
    • 2006-05-18
    • Jan H. AaseAlan L. BrowneNancy L. JohnsonJohn C. Ulicny
    • Jan H. AaseAlan L. BrowneNancy L. JohnsonJohn C. Ulicny
    • B60J1/00
    • B60K11/085B60H2001/00092B62D35/00B64C23/00B64C2027/7288F15D1/10Y02T10/88Y02T50/34
    • An airflow control device comprises a body and an active material in operative communication with the body. The active material, such as a shape memory material, is operative to change at least one attribute in response to an activation signal. The active material can change its shape, dimensions and/or stiffness producing a change in at least one feature of the airflow control device such as shape, dimension, location, orientation, and/or stiffness to control vehicle airflow to better suit changes in driving conditions such as the need for increased airflow through the radiator due to increases in engine coolant temperature. As such, the device improves vehicle fuel economy while maintaining proper engine cooling. An activation device, controller and sensors may be employed to further control the change in at least one feature of the airflow control device such as shape, dimension, location, orientation, and/or stiffness of the device. A method for controlling vehicle airflow selectively introduces an activation signal to initiate a change of at least one feature of the device that can be reversed upon discontinuation of the activation signal.
    • 气流控制装置包括与主体可操作地连通的主体和活动材料。 诸如形状记忆材料的活性材料可操作以响应于激活信号改变至少一个属性。 活性材料可以改变其形状,尺寸和/或刚度,从而产生气流控制装置的至少一个特征的变化,例如形状,尺寸,位置,取向和/或刚度,以控制车辆气流,以更好地适应驾驶中的变化 因为由于发动机冷却液温度升高,需要增加通过散热器的气流。 因此,该装置在保持适当的发动机冷却的同时提高了车辆燃料经济性。 可以使用激活装置,控制器和传感器来进一步控制气流控制装置的至少一个特征的变化,例如装置的形状,尺寸,位置,取向和/或刚度。 用于控制车辆气流的方法选择性地引入激活信号以启动在停止激活信号时可以反转的装置的至少一个特征的改变。
    • 5. 发明授权
    • Airflow control devices using current
    • 气流控制装置使用电流
    • US07147269B2
    • 2006-12-12
    • US11436315
    • 2006-05-18
    • Jan H. AaseAlan L. BrowneNancy L. JohnsonJohn C. Ulicny
    • Jan H. AaseAlan L. BrowneNancy L. JohnsonJohn C. Ulicny
    • B60J1/00
    • B60K11/085B60H2001/00092B62D35/00B64C23/00B64C2027/7288F15D1/10Y02T10/88Y02T50/34
    • An airflow control device comprises a body and an active material in operative communication with the body. The active material, such as a shape memory material, is operative to change at least one attribute in response to an activation signal. The active material can change its shape, dimensions and/or stiffness producing a change in at least one feature of the airflow control device such as shape, dimension, location, orientation, and/or stiffness to control vehicle airflow to better suit changes in driving conditions such as the need for increased airflow through the radiator due to increases in engine coolant temperature. As such, the device improves vehicle fuel economy while maintaining proper engine cooling. An activation device, controller and sensors may be employed to further control the change in at least one feature of the airflow control device such as shape, dimension, location, orientation, and/or stiffness of the device. A method for controlling vehicle airflow selectively introduces an activation signal to initiate a change of at least one feature of the device that can be reversed upon discontinuation of the activation signal.
    • 气流控制装置包括与主体可操作地连通的主体和活动材料。 诸如形状记忆材料的活性材料可操作以响应于激活信号改变至少一个属性。 活性材料可以改变其形状,尺寸和/或刚度,从而产生气流控制装置的至少一个特征的变化,例如形状,尺寸,位置,取向和/或刚度,以控制车辆气流,以更好地适应驾驶中的变化 因为由于发动机冷却液温度升高,需要增加通过散热器的气流。 因此,该装置在保持适当的发动机冷却的同时提高了车辆燃料经济性。 可以使用激活装置,控制器和传感器来进一步控制气流控制装置的至少一个特征的变化,例如装置的形状,尺寸,位置,取向和/或刚度。 用于控制车辆气流的方法选择性地引入激活信号以启动在停止激活信号时可以反转的装置的至少一个特征的改变。
    • 9. 发明授权
    • Force and deceleration delimiting devices and methods for operating the same
    • 强制和减速定界装置及其操作方法
    • US07374231B2
    • 2008-05-20
    • US11093272
    • 2005-03-29
    • Jan H. AaseAlan L. BrowneNancy L. Johnson
    • Jan H. AaseAlan L. BrowneNancy L. Johnson
    • B60R19/42
    • B60R21/04B60R21/045B60R2021/0421
    • Force and deceleration delimiting devices and methods for operating the same in a vehicle. The devices generally include an open celled material expandable from a non-expanded state to an expanded state, wherein the open celled material is sandwiched between a first end cap member and a second end cap member; an optional support surface cooperatively positioned with the open celled material to cover a surface of the open celled material in the expanded and the non-expanded states; and an optional shield cooperatively positioned with the open celled material to cover a surface of the open celled material in the expanded and the non-expanded states; and an activation mechanism adapted to regulate selective expansion of the open celled material from the non-expanded state to the expanded state in response to a triggering event, wherein the support surface and/or shield have a compact shape when the open celled material is in the non-expanded state and an expanded state when the open celled material is in the expanded state.
    • 强制和减速分界装置及其在车辆中的操作方法。 这些装置通常包括可从非膨胀状态扩展到膨胀状态的开孔材料,其中开孔材料夹在第一端盖构件和第二端盖构件之间; 可选的支撑表面与开孔材料配合地定位以覆盖处于膨胀状态和非膨胀状态的开孔材料的表面; 以及可选的屏蔽件,其与所述开孔结合材料配合地定位以覆盖所述开孔状材料在膨胀状态和未膨胀状态的表面; 以及激活机构,其适于响应于触发事件来调节所述开孔材料从所述非膨胀状态到膨胀状态的选择性膨胀,其中当所述开孔材料处于所述开孔状态时,所述支撑表面和/或屏蔽件具有紧凑的形状 未膨胀状态和膨胀状态,当开孔材料处于膨胀状态时。
    • 10. 发明授权
    • Method and system for identifying wet pavement using tire noise
    • 使用轮胎噪声识别湿路面的方法和系统
    • US08618921B2
    • 2013-12-31
    • US12615344
    • 2009-11-10
    • Alan L. BrowneShung H. SungNancy L. JohnsonJan H. Aase
    • Alan L. BrowneShung H. SungNancy L. JohnsonJan H. Aase
    • B60Q1/00G08B21/00G08G1/00H04R29/00H04B1/00
    • B60Q9/00
    • A wet road surface detection system is provided for a vehicle driving on a road. The wet road surface detection system includes a sound sensing device coupled to the vehicle for capturing noise of the vehicle tires as the vehicle drives on a road surface. A processor processes sounds captured by the audible sensing device. The processor quantifies a variable sound level of the captured noise between a first frequency and a second frequency. The processor determines whether each quantified sound level between the first frequency and the second frequency is above a predetermined sound level threshold below the sound level at the first frequency. The processor determines that the vehicle is driving on a wet road surface in response to each quantified sound level between the first frequency and the second frequency being above a predetermined sound level threshold below the sound level at the first frequency.
    • 一种用于在道路上行驶的车辆的湿路面检测系统。 湿路面检测系统包括耦合到车辆的声音传感装置,用于在车辆在路面上行驶时捕获车辆轮胎的噪声。 处理器处理由可听觉感测装置捕获的声音。 处理器对第一频率和第二频率之间的捕获噪声的可变声级进行量化。 处理器确定第一频率和第二频率之间的每个量化声级是否高于低于第一频率的声级的预定声级阈值。 处理器响应于第一频率和第二频率之间的每个量化声级高于低于第一频率的声级的预定声级阈值,确定车辆在湿路面上行驶。