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    • 1. 发明授权
    • Ridge mulch tillage method and apparatus
    • 脊土覆盖耕作方法及装置
    • US4323126A
    • 1982-04-06
    • US108838
    • 1979-12-31
    • Larry F. StikeleatherDavid S. Totten
    • Larry F. StikeleatherDavid S. Totten
    • A01B13/14A01B79/00
    • A01B13/14A01B79/00
    • A method for preparing a field which has crop residue rows for subsequent row crop planting comprises cutting a plurality of furrows between crop residue rows and lifting and turning over the soil from the furrows into ridges, and simultaneously scraping over a plurality of crop residue rows and transferring the residue into the furrows which are being simultaneously cut, and wherein the former step forms the ridges on surfaces that are simultaneously being cleared by the latter step. The method is accomplished by tillage apparatus including a horizontal frame, a plurality of furrow cutting moldboards affixed to the frame and being curved to lift and turn over the soil cut from the furrows into ridges, and a plurality of trash boards affixed to the frame diagonally to the crop rows and in alternate relation to the moldboards and being curved to transfer the crop residue removed thereby into the furrows being simultaneously cut by the moldboards.
    • 一种用于制备用于随后的作物种植的作物残留行的场的方法包括在作物残留物行之间切割多个沟槽,并且将土壤从沟槽提升和翻转成脊,并且同时刮擦多个作物残留物行和 将残余物转移到同时切割的沟中,并且其中前一步骤在同时被后一步骤清除的表面上形成脊。 该方法由包括水平框架,多个沟槽切割板,固定在框架上并弯曲的耕作设备完成,将从沟槽切割成的土壤翻转成脊,并将多个垃圾板对角地固定在框架上 到作物行并且与刨花板交替地关系并且被弯曲以将从其移除的作物残余物转移到由刨花板同时切割的犁沟中。
    • 3. 发明授权
    • Driveline vibration system diagnostics
    • 传动系振动系统诊断
    • US5955674A
    • 1999-09-21
    • US961605
    • 1997-10-31
    • Kevin M. McGovernDavid S. TottenDon K. St. JohnJames M. Slicker
    • Kevin M. McGovernDavid S. TottenDon K. St. JohnJames M. Slicker
    • G01H1/10G01M17/007G01P3/48G01M13/02
    • G01H1/10G01P3/48
    • A diagnostic driveline vibration analyzing tool for measuring and characterizing the torsional vibration of a rotating component such as a transmission output shaft in a vehicle driveline. An electronic control unit and sensor cooperate to measure speed fluctuations occurring between the passing of adjacent teeth of a rotating gear. These time measurements are then filtered using an order tracked pass band filter to isolate frequencies of interest the results of which are then used to calculate a total torsional energy level by taking the root mean square of the filtered signal over a predetermined period of time. The total torsional energy level is then compared to a predetermined maximum amplitude and if the total torsional level exceeds this predetermined maximum amplitude then the operator is notified through a display device.
    • 一种用于测量和表征车辆传动系中诸如变速器输出轴之类的旋转部件的扭转振动的诊断传动系振动分析工具。 电子控制单元和传感器协同测量在旋转齿轮的相邻齿通过之间发生的速度波动。 然后使用订单跟踪的通带滤波器对这些时间测量进行滤波,以隔离感兴趣的频率,然后将其结果用于通过在预定时间段内取经滤波信号的均方根来计算总扭转能级。 然后将总扭转能量水平与预定的最大幅度进行比较,并且如果总扭转水平超过该预定的最大幅度,则通过显示装置通知操作者。
    • 4. 发明授权
    • Self-powered wireless transducer
    • 自供电无线传感器
    • US06259372B1
    • 2001-07-10
    • US09235212
    • 1999-01-22
    • Michael G. TaranowskiDavid L. McClanahanDavid S. TottenJames J. Kinsella
    • Michael G. TaranowskiDavid L. McClanahanDavid S. TottenJames J. Kinsella
    • G08B2100
    • G08C17/02G01M13/045
    • A self-powered wireless transducer is disclosed for monitoring external physical conditions, such as excessive vibrations in a bearing. The transducer includes an energy conversion source, such as a piezoelectric sensor to sense the external physical condition and create a power and characteristic signal that is used to power an RF transmitting circuit. A transmitter is provided to transmit signals indicative of the external physical condition, or changes in that physical condition, such as increased vibrations in a bearing to detect bearing faults before a breakdown. In this manner, the monitored machinery can be shutdown in an orderly manner and preventative maintenance can be completed. The self-powered wireless transducer includes an voltage storage device to receive electrical voltage from the piezoelectric sensor and a voltage detector to detect the level of voltage on the voltage storage device. Once the voltage detector detects a level of voltage at a predetermined level, an oscillating transmitting circuit is activated for a brief hysteresis period of the voltage detector. The information transmitted not only includes any fault detection, it also includes an address of the origin of the transmission.
    • 公开了一种用于监测外部物理条件(例如轴承中的过度振动)的自供电无线换能器。 换能器包括能量转换源,例如用于感测外部物理状况的压电传感器,并且产生用于为RF发射电路供电的功率和特征信号。 提供发射机以发射指示外部物理状况的信号,或者在该物理条件下的改变,例如在轴承内增加的振动,以便在击穿之前检测轴承故障。 以这种方式,可以有序地关闭受监视的机器,并且可以完成预防性的维护。 自供电无线传感器包括用于从压电传感器接收电压的电压存储装置和用于检测电压存储装置上的电压电平的电压检测器。 一旦电压检测器检测到预定电平的电平,则振荡发射电路在电压检测器的短暂滞后期间被激活。 传输的信息不仅包括任何故障检测,还包括传输原点的地址。