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    • 3. 发明授权
    • Frequency stability measuring apparatus
    • 频率稳定度测量装置
    • US07429896B2
    • 2008-09-30
    • US11466566
    • 2006-08-23
    • Masashi Hattori
    • Masashi Hattori
    • G01R23/14
    • G01R23/14
    • A frequency stability measuring apparatus for measuring a frequency fluctuation of a signal outputted from a given signal source includes: a reference signal output unit that outputs a reference frequency signal; a mixer that mixes a signal outputted from the signal source with the reference frequency signal outputted from the reference signal output unit and outputs a resultant signal; a filter that allows a low-frequency component of the signal outputted from the mixer to pass therethrough; a waveform-shaping circuit that shapes a waveform of a signal outputted from the filter; a counter that counts a number of pulses of a signal shaped by the waveform-shaping circuit; and a control unit that calculates average frequencies of the signal outputted from the filter within respective measurement periods of a predetermined length, and calculates and outputs a standard deviation of the average frequencies calculated
    • 用于测量从给定信号源输出的信号的频率波动的频率稳定度测量装置包括:输出参考频率信号的参考信号输出单元; 将从信号源输出的信号与从参考信号输出单元输出的基准频率信号混合的混频器,输出合成信号; 允许从混合器输出的信号的低频分量通过的滤波器; 波形整形电路,对从滤波器输出的信号进行波形整形; 计数器,其对由波形整形电路形成的信号的脉冲数进行计数; 以及控制单元,其计算在预定长度的各个测量周期内从所述滤波器输出的信号的平均频率,并且计算并输出计算出的平均频率的标准偏差
    • 5. 发明授权
    • Continuously variable transmission
    • 连续可变传动
    • US5846152A
    • 1998-12-08
    • US755474
    • 1996-11-22
    • Takao TaniguchiShoichi MiyagawaKazumasa TsukamotoShiro SakakibaraTakeshi InuzukaMasashi HattoriTakao Terashima
    • Takao TaniguchiShoichi MiyagawaKazumasa TsukamotoShiro SakakibaraTakeshi InuzukaMasashi HattoriTakao Terashima
    • F16H9/26F16H37/02F16H37/08
    • F16H37/0846F16H2037/088
    • A transmission unit includes a belt type continuously variable transmission (CVT) having a first pulley arranged on a first shaft with a stationary sheave, a movable sheave and a hydraulic actuator for the movable sheave. The second pulley of the CVT is mounted on a second shaft and also has a stationary sheave, a movable sheave and a hydraulic actuator. A belt is mounted around the first and second pulleys. The transmission unit further includes a synchronous transmission for connecting a first rotary member arranged on the first shaft and a second rotary member arranged on the second shaft at a constant speed ratio, an output gear for transmitting power to the wheels and a planetary gear unit. The planetary gear unit is mounted on the second shaft and includes at least first, second and third rotary elements. The first rotary element is connected to the second rotary member, the second rotary element to the second pulley, and the third rotary element to the output gear. The first shaft is connected through the CVT to the second rotary element and through the synchronous transmission to the first rotary element. The hydraulic actuators are arranged on opposite sides of the belt.
    • 传动单元包括带式无级变速器(CVT),其具有布置在具有固定滑轮的第一轴上的第一滑轮,可动滑轮和用于可动滑轮的液压致动器。 CVT的第二滑轮安装在第二轴上,并且还具有固定滑轮,可动滑轮和液压致动器。 皮带安装在第一和第二滑轮周围。 传动单元还包括用于连接布置在第一轴上的第一旋转构件和以恒定速比配置在第二轴上的第二旋转构件的同步变速器,用于向车轮传递动力的输出齿轮和行星齿轮单元。 行星齿轮单元安装在第二轴上并且包括至少第一,第二和第三旋转元件。 第一旋转元件连接到第二旋转构件,第二旋转元件连接到第二滑轮,并且第三旋转元件连接到输出齿轮。 第一轴通过CVT连接到第二旋转元件,并通过同步传动装置连接到第一旋转元件。 液压致动器布置在带的相对侧上。
    • 6. 发明授权
    • Continuously variable transmission
    • 连续可变传动
    • US5833571A
    • 1998-11-10
    • US766349
    • 1996-12-13
    • Kazumasa TsukamotoTakeshi InuzukaMasashi Hattori
    • Kazumasa TsukamotoTakeshi InuzukaMasashi Hattori
    • F16H37/08F16H61/16F16H61/662F16H59/06F16H37/02
    • F16H37/0846F16H61/66259F16H2037/088F16H2061/1204F16H2061/6614F16H61/16Y10T477/6237Y10T477/624Y10T477/62427
    • A continuously variable transmission is switchable between the low and high modes by changing engagement between two clutches. A sensor shoe which moves in association with a movable sheave of a primary pulley is provided with an indent and a protrusion formed at different locations on the sensor shoe. In addition, indents are formed on a spool of a low-high control valve. An interlock rod is provided between the sensor shoe and the low-high control valve. In a predetermined pulley-ratio region in the low and high modes, for example, on a low pulley-ratio side, as the movable sheave moves to the O/D side a base end of the interlock rod rides on the upper surface of the sensor shoe while its opposite end is engaged within one of the indents, thus mechanically locking the low-high control valve. In this way, switching between the low and high modes due to selective engagement of the low and high clutches can be inhibited.
    • 通过改变两个离合器之间的接合,无级变速器可在低模和高速之间切换。 与主滑轮的可动滑轮相关联地移动的传感器靴设置有在传感器靴上的不同位置处形成的凹部和突起。 此外,凹口形成在低压控制阀的阀芯上。 传感器靴和低压控制阀之间设有互锁杆。 在低模式和高模式中的预定滑轮比区域中,例如,在低滑轮比侧,当可动滑轮移动到O / D侧时,互锁杆的基端部位于 传感器鞋,而其相对端接合在一个凹口内,因此机械地锁定低高度的控制阀。 以这种方式,可以抑制由于低和高离合器的选择性接合而导致的低模式和高模式之间的切换。