专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US3996507A Regulator for controlling synchronous dynamoelectric machines 失效
标题翻译：用于控制同步电机的调节器
公开(公告)号：US3996507A
公开(公告)日：1976-12-07
申请号：US608282
申请日：1975-08-27
申请人： George S. Chambers
发明人： George S. Chambers
IPC分类号： H02P9/10 , H02P9/26 , H02P9/14
CPC分类号： H02P9/26 , H02P9/105
摘要： In a power system, control signals derived from a measurement of dynamoelectric machine output voltage and current are selectively applied to an exciter to control the current in a field winding of the machine to control the machine reactive volt-amperes and output voltage.
摘要翻译：在电力系统中，从电机输出电压和电流的测量得到的控制信号被选择性地施加到励磁机，以控制机器的励磁绕组中的电流，以控制机器的无功伏安和输出电压。

2. 发明授权

US4001712A Active filter with inverse option 失效
标题翻译：主动过滤器与反向选项
公开(公告)号：US4001712A
公开(公告)日：1977-01-04
申请号：US642018
申请日：1975-12-18
申请人： George S. Chambers , L. Jubin Lane
发明人： George S. Chambers , L. Jubin Lane
IPC分类号： H03H11/04 , H03H11/12 , H03F1/36
CPC分类号： H03H11/1252 , H03H11/04
摘要： An electronic filter circuit comprised of summing circuits and integrating circuits is interconnected such that the filter may use the same components to serve either as a band-reject or a band-pass filter having the same natural frequency. Changing of the filter operation between the two modes is accomplished simply by the interchange of two component values.

3. 发明授权

US4345694A Anti-siphoning device 失效
标题翻译：防虹吸装置
公开(公告)号：US4345694A
公开(公告)日：1982-08-24
申请号：US215132
申请日：1980-12-10
申请人： George S. Chambers
发明人： George S. Chambers
IPC分类号： B60K15/04 , B65D25/02 , B65D39/12 , B65D51/16 , B67C3/00
CPC分类号： B60K15/0403
摘要： An anti-siphoning device including a fill tube having a plurality of axially and radially spaced restriction elements extending across the interior thereof and an elastomeric annulus compressed between a pair of plates, one of which is mounted to the fill tube for securing the anti-siphoning device to the interior of a fill pipe. A plurality of apertures in the fill tube will allow rapid dispension of the fill liquid. A nozzle support retains an automatic fill nozzle above the restriction elements to prevent premature cut off.
摘要翻译：一种防虹吸装置，包括一个填充管，该填充管具有延伸穿过其内部的多个轴向和径向隔开的限制元件，以及压缩在一对板之间的弹性体环，其中一个被安装到填充管，用于固定防虹吸装置到填充管的内部。填充管中的多个孔将允许填充液体的快速分配。喷嘴支撑件在限制元件上方保持自动填充喷嘴以防止过早切断。

4. 发明授权

US4218729A Polyphase rectifying bridge with commutation fault protection 失效
标题翻译：多相整流桥换向故障保护
公开(公告)号：US4218729A
公开(公告)日：1980-08-19
申请号：US970429
申请日：1978-12-18
申请人： George S. Chambers
发明人： George S. Chambers
IPC分类号： H02M7/162 , H02H7/125
CPC分类号： H02M7/1626
摘要： In association with a polyphase rectifying bridge having controlled rectifiers there is employed, in addition to the normal means for controlling the firing time of the controlled rectifiers, additional circuitry for preventing the occurrence of a commutation fault. This is achieved by first producing a timing signal representative of the time intervals during which a commutation between successively fired controlled rectifiers of the bridge actually exist. This timing signal, after being properly shaped is combined with a basic reference signal representative of a predetermined value to which the rectifiers may be phased back in their firing angle without resulting in a commutation failure. Stated in another way, the width of the existing commutation period serves to set a minimum to which the next commutation period must conform. When the prescribed relationships exist between the timing signal and the basic reference signal, the normal control means is overriden and the firing angle of the controlled rectifier is advanced to a point which will insure commutation.
摘要翻译：与具有受控整流器的多相整流桥相关联，除了用于控制受控整流器的点火时间的正常装置之外，还采用了用于防止换向故障发生的附加电路。这是通过首先产生代表桥的连续发射的受控整流器之间的换向实际存在的时间间隔的定时信号来实现的。在正确形状之后，该定时信号与代表预定值的基本参考信号组合，整流器可以在其触发角度相位回到其中，而不会导致换向故障。以另一种方式说明，现有换流周期的宽度用于设定下一个换向周期必须符合的最小值。当在定时信号和基准参考信号之间存在规定的关系时，正常控制装置被覆盖，并且可控整流器的触发角度前进到将确保换向的点。

5. 发明授权

US4218728A Polyphase hybrid rectifying bridge with commutation fault protection 失效
标题翻译：多相混合整流桥换向故障保护
公开(公告)号：US4218728A
公开(公告)日：1980-08-19
申请号：US970428
申请日：1978-12-18
申请人： George S. Chambers , Carter Sinclair
发明人： George S. Chambers , Carter Sinclair
IPC分类号： H02M7/155 , H02M3/135 , H02M7/12 , H02M7/162 , H02H7/125
CPC分类号： H02M7/1626
摘要： In association with a polyphase hybrid rectifying bridge having controlled rectifiers, there is employed, in addition to the normal means for controlling the firing time of the controlled rectifiers, additional circuitry for preventing or at least reducing the probability of the occurrence of a commutation fault. This is achieved by first producing a timing signal which is representative of the time intervals during which a voltage exists across a load being supplied by the bridge and by then combining the timing signal with a basic reference signal representing a minimum time period during which this voltage should exist to guard against a commutation failure of the controlled rectifiers. When a prescribed relationship exists between the timing signal and the basic reference signal, the normal control means is overridden and the firing angle of the controlled rectifiers is advanced to a point which will guarantee commutation.In addition, there is further provided an optional feature which facilitates recovery of the bridge in the event a commutation failure does occur. This feature takes the form of a recovery circuit which, in response to a sensing of an unbalance in the alternating voltage supplying the bridge, outputs a signal which also causes an advance in the firing angle of the controlled rectifiers.
摘要翻译：与具有受控整流器的多相混合整流桥相关联，除了用于控制受控整流器的点火时间的正常装置之外，还采用用于防止或至少降低换向故障发生概率的附加电路。这是通过首先产生一个定时信号来实现的，该定时信号代表由桥提供的负载之间存在电压的时间间隔，然后将定时信号与表示最小时间段的基本参考信号相组合，应该存在以防止受控整流器的换向故障。当在定时信号和基准参考信号之间存在规定的关系时，覆盖正常控制装置，并且将受控整流器的触发角提前到能保证换向的点。此外，还提供了在发生换向故障的情况下有助于桥的恢复的可选特征。该特征采用恢复电路的形式，响应于对提供桥的交流电压的不平衡的感测，输出也导致受控整流器的触发角度的提前的信号。

6. 发明授权

US3971978A Generator control system 失效
标题翻译：发电机控制系统
公开(公告)号：US3971978A
公开(公告)日：1976-07-27
申请号：US607784
申请日：1975-08-26
申请人： George S. Chambers , Lawrence J. Lane
发明人： George S. Chambers , Lawrence J. Lane
IPC分类号： H02P9/30 , H02P9/38 , H02P9/14
CPC分类号： H02P9/30 , H02P9/38
摘要： A generating system employing a generator having a self-excited field winding the excitation of which is achieved by supplying a bridge circuit with signals which are, respectively, proportional to the generator terminal voltage and the load current further includes means to selectively short-circuit the field winding during each cycle of normal generator operation. The system further includes a feedback path or loop for controlling the time during which the field winding is short-circuited which feedback path develops a control signal by comparing a signal representing the voltage supplied to the bridge circuit with a reference signal to develop an error signal which is then modified by a further signal proportional to the Thevenin equivalent voltage of the bridge circuit to thus linearize the feedback loop.
摘要翻译：采用具有自激励磁场绕组的发生器的发电机，其激励是通过向桥式电路提供分别与发电机端子电压和负载电流成比例的信号而实现的，其中还包括用于选择性地短路在正常发电机运行的每个循环期间励磁绕组。该系统还包括用于控制励磁绕组短路的时间的反馈路径或回路，该反馈路径通过将表示提供给桥式电路的电压的信号与参考信号进行比较来产生控制信号，以产生误差信号然后通过与桥电路的戴维南等效电压成比例的另外的信号来修改，从而使反馈回路线性化。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式