Starting device for a single phase induction motor
    1.
    发明授权
    Starting device for a single phase induction motor 失效
    单相感应电动机起动装置

    公开(公告)号:US5451853A

    公开(公告)日:1995-09-19

    申请号:US160864

    申请日:1993-12-03

    申请人: Kazuo Itoh

    发明人: Kazuo Itoh

    IPC分类号: H01C7/02 H02P1/42 H02P1/44

    CPC分类号: H02P1/44 H01H2061/004

    摘要: A starting device for a single phase induction motor can reduce the power consumption and restart in a short time. The starting device for the single phase induction motor having a main winding and a starting winding comprises a starting positive temperature coefficient thermistor connected in series with the starting winding, a bidirectional current control device connected in series with the starting winding and the starting positive temperature coefficient thermistor, and an auxiliary positive characteristic thermistor having a heat capacity smaller than that of the starting positive temperature coefficient thermistor connected in parallel with the starting positive temperature coefficient thermistor, a terminal of the auxiliary positive temperature coefficient thermistor being connected to a gate of the bidirectional current control device.

    摘要翻译: 用于单相感应电动机的启动装置可以在短时间内降低功耗并重新启动。 具有主绕组和起动绕组的单相感应电动机的起动装置包括与起动绕组串联连接的起动正温度系数热敏电阻,与起动绕组串联连接的双向电流控制装置和起动正温度系数 热敏电阻和与启动正温度系数热敏电阻并联连接的起动正温度系数热敏电阻的热容量小的辅助正特性热敏电阻,辅助正温度系数热敏电阻的端子连接到双向 电流控制装置。

    PSC motor start system
    3.
    发明授权
    PSC motor start system 失效
    PSC电机启动系统

    公开(公告)号:US5053908A

    公开(公告)日:1991-10-01

    申请号:US442802

    申请日:1989-11-29

    IPC分类号: H01C7/02 H02K17/08 H02P1/44

    CPC分类号: H02P1/44 H01H2061/004

    摘要: A motor winding system having a main winding and a start winding circuit with a start winding and a PTC resistor in series therewith wherein the resistor is electrically removed from the circuit at a predetermined time after motor starting and remains in this state until motor shut off. The start winding circuit also includes a bimetallic switch in series with the resistor and a series circuit of a capacitor and an electromagnet in parallel with the resistor and switch. At motor start up, current from the main power source is applied across the main winding and the start winding circuit heats up the resistor and causes an increase in the resistance thereof. Also, current through the switch and PTC heat causes the bimetallic element to snap or move when it has reached a predetermined temperature to open the start winding circuit. Meanwhile, low current passes through the capacitor and electromagnet winding, energizing the electromagnet and causing the bimetallic element to be attracted and latched to the electromagnet after predetermined movement.

    Circuit for starting single-phase AC induction motor
    4.
    发明授权
    Circuit for starting single-phase AC induction motor 失效
    单相交流感应电动机起动电路

    公开(公告)号:US5391971A

    公开(公告)日:1995-02-21

    申请号:US67555

    申请日:1993-05-25

    IPC分类号: H02P1/42 H02P1/26

    CPC分类号: H02P1/42 H01H2061/004

    摘要: A circuit for starting a single-phase AC induction motor 11 having a main winding 12 and an auxiliary winding 13, which is so constructed that a PTC element 16 and a triac 17 are connected in series with the auxiliary winding 13 and a gate voltage of the triac 17 is reduced to turn a portion between main terminals of the triac 17 off after a predetermined time period has elapsed since the motor 11 was started, and can effectively lower the power consumption without degrading starting characteristics and can shorten return time required until the motor 11 is restarted and lengthen the life of the PTC element 16.

    摘要翻译: 用于启动具有主绕组12和辅助绕组13的单相AC感应电动机11的电路,其被构造成使得PTC元件16和三端双向可控硅组件17与辅助绕组13串联连接,并且栅极电压 在从电动机11起动经过预定时间后,三端双向可控量开关元件17被减小以使三端双向可动组串联17的主端子之间的部分断开,并且可以有效地降低功耗而不降低起动特性,并且可以缩短所需的返回时间,直到 电动机11重新启动并延长PTC元件16的寿命。

    Relay with overload protection
    7.
    发明授权
    Relay with overload protection 失效
    带过载保护继电器

    公开(公告)号:US5889453A

    公开(公告)日:1999-03-30

    申请号:US925664

    申请日:1997-09-09

    摘要: A relay for overcurrent or short-circuit protection is provided wherein the relay has a thermistor in the form of a film of polymer material. The thermistor is arranged over a large surface in the interior of the relay between a connection segment of a terminal element and a terminal plate coupled parallel thereto. By such design, the thermistor is serially connected into the load circuit of the relay. Upon the appearance of either an overcurrent or a short circuit, the thermistor makes an immediate shift to a high resistance value, thereby interrupting the load circuit.

    摘要翻译: 提供一种用于过电流或短路保护的继电器,其中继电器具有聚合物材料膜形式的热敏电阻。 热敏电阻布置在继电器内部的大表面上,在端子元件的连接段和与其平行耦合的端子板之间。 通过这种设计,热敏电阻串联连接到继电器的负载电路中。 在出现过电流或短路的情况下,热敏电阻立即转换为高电阻值,从而中断负载电路。

    Prime mover, method of operating such and circuit
    8.
    发明授权
    Prime mover, method of operating such and circuit 失效
    原动机,操作方法和电路

    公开(公告)号:US4161681A

    公开(公告)日:1979-07-17

    申请号:US778335

    申请日:1977-03-17

    申请人: William C. Rathje

    发明人: William C. Rathje

    IPC分类号: H02H7/085 H02P1/42 H02P1/44

    摘要: A prime mover adapted for energization to a preselected speed therefor across a power source. The prime mover has a pair of winding means for excitation so as to effect the energization of the prime mover generally to the preselected speed when it is energized across the power source. Means is provided in circuit relation with one of the winding means and the power source for inhibiting the excitation of the one winding means generally as the prime mover attains its preselected speed, and means is operable generally in response to the occurrence of a preselected condition with respect to the excitation of the other of the winding means for placing the inhibiting means in open circuit relation with the power source generally as the prime mover attains its preselected speed.A method of operating a prime mover, a method of interrupting the operation of means for inhibiting current flow therethrough, and a circuit are also disclosed.

    摘要翻译: 原动机适用于通过电源通电到预选速度。 原动机具有一对用于激励的绕线装置,以便当它们在电源上通电时,将原动机的通电通常达到预选速度。 提供了与卷绕装置和电源之一的电路关系的装置,用于通常当原动机达到其预选速度时抑制一个绕组装置的激励,并且装置通常可响应于预先选择的状态的发生而可操作, 相对于通常当原动机达到其预选速度时,将抑制装置与电源放置在开路关系中的另一个绕组装置的激励。

    Starter for a line start electric motor
    9.
    发明授权
    Starter for a line start electric motor 有权
    起动器用于线路启动电动机

    公开(公告)号:US07265515B2

    公开(公告)日:2007-09-04

    申请号:US11046102

    申请日:2005-01-28

    IPC分类号: H02P1/42

    摘要: The invention concerns a starter for a line start electric motor having at least one main winding (4) and at least one start winding (12) and which start winding is connected in series with a run capacitor (14) with which a start capacitor (17) and a PTC-thermistor (19) are connected in parallel. In order to make a simply constructed starter for a line start electric motor the start capacitor (17) and the PTC-thermistor (19) are connected in series with a switch mechanism (20). The series connected circuit made up of the start capacitor (17), the PTC-thermistor (19) and the switch mechanism (20) is connected in parallel with the run capacitor (14).

    摘要翻译: 本发明涉及一种具有至少一个主绕组(4)和至少一个起动绕组(12)的起动电动机的起动器,并且起动绕组与运行电容器(14)串联连接,起动电容器 17)和PTC热敏电阻(19)并联连接。 为了简单地构建起动电动机起动器,起动电容器(17)和PTC-热敏电阻(19)与开关机构(20)串联连接。 由起动电容器(17),PTC热敏电阻(19)和开关机构(20)组成的串联电路与运行电容器(14)并联连接。

    Starting device for single-phase induction motor
    10.
    发明申请
    Starting device for single-phase induction motor 有权
    单相感应电动机启动装置

    公开(公告)号:US20060163956A1

    公开(公告)日:2006-07-27

    申请号:US10537010

    申请日:2003-11-27

    IPC分类号: H02K11/00 H02P7/00 H02K17/32

    摘要: When a starting current flows in an auxiliary winding S, a main PTC 12 and an auxiliary PTC 14 generate heat by themselves and the electrical resistance value increases. When the auxiliary PTC 14 reaches 140 deg. C., the snap action bimetal 18 is turned off, and no current flows into the main PTC 12, and starting of the single-phase induction motor 70 is complete. When the snap action bimetal 18 is cut off, slight current continues to flow only into the auxiliary PTC 14 side, and by the slight generated heat, the snap action bimetal 18 is kept in OFF state.

    摘要翻译: 当起动电流在辅助绕组S中流动时,主PTC 12和辅助PTC 14自身产生热量,并且电阻值增加。 当辅助PTC 14达到140度时。 快速动作双金属片18被关闭,并且没有电流流入主PTC 12,并且单相感应电动机70的启动完成。 当快速动作双金属片18被切断时,轻微的电流继续仅流入辅助PTC 14侧,并且由于微小的产生的热量,卡扣动作双金属片18保持在关闭状态。