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

US4228383A Speed control circuit arrangement for an AC commutator motor 失效
标题翻译：用于交流换向器电机的速度控制电路装置
公开(公告)号：US4228383A
公开(公告)日：1980-10-14
申请号：US974116
申请日：1978-12-28
申请人： Katsuji Soeda , Mitsuhiro Oyama , Fumio Sakuma , Tadashi Nakajima
发明人： Katsuji Soeda , Mitsuhiro Oyama , Fumio Sakuma , Tadashi Nakajima
IPC分类号： H02P25/04 , H02P25/14 , H02P27/02 , H02P5/40 , H02P7/28
CPC分类号： H02P25/14
摘要： A speed control circuit arrangement for controlling a rotational speed of an AC commutator motor by an AC controlled rectifier element. The speed control circuit arrangement comprises a pulse transformer which is connected at the secondary winding to the control electrode of the AC controlled rectifier element and one of two main electrodes of the controlled rectifier element and supplies a trigger pulse to the control electrode, a variable resistor for adjusting the rotational speed of the motor, a first capacitor connected at one end through the variable resistor to the other main electrode and at the other end to one end of an AC power source, a pulse generating element connected across said first capacitor with the primary winding of the pulse transformer intervening therebetween, and a first resistor connected at one end to the one main electrode and at the other end to the other end of the AC power source through the first capacitor. With such a construction, an inductive voltage regenerated in the armature of the motor (hereinafter referred to as a flash voltage) is effectively used to perform a stable operation of the AC commutator motor at a low speed.
摘要翻译：一种速度控制电路装置，用于通过交流控制整流元件控制交流换向马达的转速。速度控制电路装置包括脉冲变压器，该脉冲变压器在次级绕组处连接到可控整流元件的控制电极和可控整流元件的两个主电极中的一个，并向控制电极提供触发脉冲，可变电阻器用于调节电动机的转速;第一电容器，其一端通过可变电阻器连接到另一主电极，另一端连接到交流电源的一端;脉冲发生元件，连接在所述第一电容器与介于其间的脉冲变压器的初级绕组，以及第一电阻器，其一端通过第一电容器连接到一个主电极，另一端连接到交流电源的另一端。通过这样的结构，在电动机的电枢中再生的感应电压（以下称为闪光电压）被有效地用于以低速执行AC换向器电动机的稳定运行。

2. 发明授权

US4085692A Motor control apparatus for electrically-driven sewing machine 失效
公开(公告)号：US4085692A
公开(公告)日：1978-04-25
申请号：US731686
申请日：1976-10-12
申请人： Katsuji Soeda , Fumio Sakuma , Mitsuhiro Oyama
发明人： Katsuji Soeda , Fumio Sakuma , Mitsuhiro Oyama
IPC分类号： D05B69/18 , D05B69/20 , D05B69/22 , H02P3/08 , H02P7/295
CPC分类号： D05B69/20
摘要： A motor speed control apparatus for an electrically-driven sewing machine capable of effecting single stitch comprises a main motor circuit for supplying a motor current to a motor from an AC power supply through a main switch and a semiconductor element with a controlled electrode, a first control means for controlling the semiconductor element in order to effect normal operation, a controller adapted to change between its first and second state so as to control the speed of the motor continuously when the first control means is energized, a second control means for controlling the semiconductor element for effecting single stitch, and a change-over means for changing over the operation between the first and second control means. The second control means includes means for setting the trigger voltage for conducting the semiconductor element, a switching element coupled with the trigger-voltage setting means, a bias means for energizing the switching element, and a charge-discharge circuit. The bias means has a needle position detector means for detecting the position of a needle bar. The bias means supplies the switching element with a first bias sufficient to turn the switching element on when the needle position detector means detects the absence of the needle bar at the predetermined position, and supplies the switching element with a second bias insufficient to turn the switching element on when the needle position detector means detects the fact that the needle bar is at the predetermined position. The charge-discharge circuit renders the bias means in such a state as to supply an insufficient bias to turn the switching element on for a predetermined period of time after the time point at which the controller is set in the states between the second states and the predetermined state between the first and second states, which the conduction of the switching means renders the trigger voltage setting means ineffective.

3. 发明授权

US4246521A DC Motor speed control system 失效
标题翻译：直流电机调速系统
公开(公告)号：US4246521A
公开(公告)日：1981-01-20
申请号：US022314
申请日：1979-03-20
申请人： Katsuji Soeda , Mitsuhiro Oyama , Fumio Sakuma
发明人： Katsuji Soeda , Mitsuhiro Oyama , Fumio Sakuma
IPC分类号： H02P7/295 , H02P7/292 , H02P5/16
CPC分类号： H02P7/293 , Y10S388/918
摘要： There is provided a DC motor speed control system comprising a main motor circuit which supplies a motor current from an AC source through a full-wave rectifying circuit and a semiconductor element having a control electrode to a DC motor, a manually variable voltage setting means which is connected with the full-wave rectifying circuit, a charging circuit which is connected with the manually variable voltage setting means, a switching element having a control element which is connected with the charging circuit and, when the charged voltage in the charging circuit reaches a predetermined value, is made conductive to discharge the charging circuit thereby to supply a discharge current to the semiconductor element as a triggen current, a constant voltage element which is connected with the full-wave rectifying circuit, and a detecting means which detects the counter electromotive force induced in the motor. The constant voltage element and the detecting means are connected in series to form a series circuit the terminal voltage of which is applied to the control electrode of the switching element, and the predetermined voltage value for conduction of the switching element being variable in response to the counter electromotive force so as to delay the conduction angle of the semiconductor element for the increased counter electromotive force while to advance the conduction angle of the semiconductor element for the decreased counter electromotive force.
摘要翻译：提供了一种直流电动机速度控制系统，包括：主电动机电路，其通过全波整流电路将来自AC电源的电动机电流和具有控制电极的半导体元件提供给DC电动机;手动可变电压设定装置，与全波整流电路连接，充电电路与手动可变电压设定装置连接，开关元件具有与充电电路连接的控制元件，并且当充电电路中的充电电压达到使预定值导通以对充电电路进行放电，从而向半导体元件提供作为三相电流的放电电流，与全波整流电路连接的恒压元件和检测反电动势的检测装置在电机中引起的力。恒压元件和检测装置串联连接以形成其端电压施加到开关元件的控制电极的串联电路，并且用于开关元件的导通的预定电压值响应于反电动势，以便延长半导体元件的导通角以增加反电动势，同时提高半导体元件的导通角以减小反电动势。

4. 发明授权

US4251796A Slide-type potentiometer 失效
标题翻译：滑动型电位器
公开(公告)号：US4251796A
公开(公告)日：1981-02-17
申请号：US020840
申请日：1979-03-15
申请人： Katsuji Soeda , Mitsuhiro Oyama , Fumio Sakuma
发明人： Katsuji Soeda , Mitsuhiro Oyama , Fumio Sakuma
IPC分类号： H02K23/54 , H01C10/38 , H02K15/12
CPC分类号： H01C10/38
摘要： A slide-type potentiometer for speed control of electric motors under control of a foot-pedal actuator mechanism comprising an actuating rod reciprocatably movable in the longitudinal directions thereof, a spring member for urging the actuating rod in one of the longitudinal directions, a contact supporting member having an electrical contact secured thereto and mounted on the actuating rod so as to be movable in the longitudinal directions along with the actuating rod, a resistor element positioned such that the electrical contact member is slidably moved on the resistor element upon movement of the actuating rod, and a housing for enclosing the contact supporting member and the resistor element, the housing has a through-hole through which one end portion of the actuating rod extends outwardly.
摘要翻译：一种用于在脚踏板致动器机构的控制下对电动机进行速度控制的滑动型电位器，包括可在其纵向方向上可往复运动的致动杆，用于沿一个纵向方向推动致动杆的弹簧构件，构件，其具有固定到其上的电接触件并且安装在致动杆上，以便与致动杆一起在纵向方向上可移动;电阻元件，定位成使得电触头构件在致动器的移动时可滑动地移动到电阻元件上杆和用于封闭接触支撑构件和电阻元件的壳体，壳体具有通孔，致动杆的一个端部向外延伸。

5. 发明授权

US4078507A Electrically driven sewing machine control apparatus 失效
标题翻译：电动缝纫机控制装置
公开(公告)号：US4078507A
公开(公告)日：1978-03-14
申请号：US720380
申请日：1976-09-03
申请人： Katsuji Soeda , Fumio Sakuma , Mitsuhiro Oyama
发明人： Katsuji Soeda , Fumio Sakuma , Mitsuhiro Oyama
IPC分类号： D05B69/22 , H02P3/08
CPC分类号： D05B69/22
摘要： A motor control apparatus for driving a power sewing machine comprises a main motor circuit for supplying a motor current to a DC motor from an AC power supply through a main switch and a semiconductor element with a control electrode, a controller for controlling the speed of the motor, a first control means for effecting normal stitching by controlling the conduction state of the semiconductor element, a second control means for effecting a single stitch by controlling the conduction state of the semiconductor element, and a means for switching the operation between the first and second control means. The second control means includes a needle position detector means for detecting the needle to reach predetermined positions, a switching means connected in series to the needle position detector means, a trigger voltage supply means for applying a trigger voltage to the control electrode of the semiconductor element, and a switch-operating means. The switch-operating means operates in such a manner that, when the main switch is closed without the depression of the controller, the switching means is closed, while upon the depression of the controller, the switching means is opened for predetermined time and thereafter to close again upon the lapse of said predetermined time. If the needle position detector means detects that the needle has reached the predetermined positions with the switching means closed, the trigger voltage supply means is made ineffective.
摘要翻译：一种用于驱动电动缝纫机的电动机控制装置，包括主电动机电路，用于通过主开关从AC电源向DC电动机提供电动机电流;以及半导体元件与控制电极，控制器电动机，通过控制半导体元件的导通状态来实现正常缝合的第一控制装置，用于通过控制半导体元件的导通状态来实现单线圈的第二控制装置，以及用于切换第一和第二电极之间的操作的装置第二控制装置。第二控制装置包括用于检测针到达预定位置的针位置检测器装置，与针位置检测器装置串联连接的切换装置，用于向半导体元件的控制电极施加触发电压的触发电压提供装置，以及开关操作装置。开关操作装置的工作方式是，当主开关在没有控制器的按下的情况下闭合时，切换装置关闭，而当按下控制器时，开关装置打开预定时间，此后转到在所述预定时间过去时再次关闭。如果针位置检测装置在切换装置关闭时检测到针已经达到预定位置，则使触发电压供给装置无效。

6. 发明授权

US4168455A Motor speed control system 失效
标题翻译：电机调速系统
公开(公告)号：US4168455A
公开(公告)日：1979-09-18
申请号：US811625
申请日：1977-06-30
申请人： Katsuji Soeda , Fumio Sakuma , Mitsuhiro Ooyama
发明人： Katsuji Soeda , Fumio Sakuma , Mitsuhiro Ooyama
IPC分类号： H02P7/292 , H02P5/00
CPC分类号： H02P7/293 , Y10S388/919
摘要： A speed control system for a motor comprising a main motor circuit supplying motor current to the motor from an A.C. power source through a semiconductor element provided with a control electrode, trigger voltage supplying means supplying trigger voltage to the control electrode of the semiconductor element, motor voltage detecting means for detecting voltage induced in the motor, and automatically variable resistance means having its resistance value varied automatically depending on the detected motor voltage. In the system, the trigger voltage supplied by the trigger voltage supplying means is controlled depending on the variation in the resistance value of the automatically variable resistance means, and the firing angle of the semiconductor element is retarded in response to an increase in the detected motor voltage and advanced in response to a decrease in the detected motor voltage.
摘要翻译：一种用于电动机的速度控制系统，包括主电动机电路，其通过设置有控制电极的半导体元件从AC电源向电动机提供电动机电流，向半导体元件的控制电极提供触发电压的触发电压供给装置用于检测电动机中感应的电压的电压检测装置，以及其电阻值根据检测到的电动机电压自动变化的自动可变电阻装置。在该系统中，由触发电压供给装置提供的触发电压根据自动可变电阻装置的电阻值的变化而被控制，并且半导体元件的触发角随着检测到的电动机的增加而延迟响应于检测到的电动机电压的降低而升高。

7. 发明授权

US4143605A Motor driven sewing machine 失效
标题翻译：电动车缝纫机
公开(公告)号：US4143605A
公开(公告)日：1979-03-13
申请号：US823104
申请日：1977-08-08
申请人： Katsuji Soeda , Fumio Sakuma , Mitsuhiro Ooyama
发明人： Katsuji Soeda , Fumio Sakuma , Mitsuhiro Ooyama
IPC分类号： D05B3/02 , D05B69/20 , D05B69/22 , D05B69/24 , G05D3/12
CPC分类号： D05B69/22
摘要： A motor driven sewing machine comprises pulse generator means for generating a first pulse associated with the first predetermined angular position and a second pulse associated with the second predetermined angular position of the main-shaft of the machine, and state-alternating means for alternatively changing its states between first and second states in response to the first and second pulses. The needle position and cloth feed are controlled in accordance with the states of the state-alternating means.
摘要翻译：马达驱动缝纫机包括用于产生与第一预定角位置相关联的第一脉冲的脉冲发生器装置和与机器的主轴的第二预定角位置相关联的第二脉冲，以及状态交替装置，响应于第一和第二脉冲状态在第一和第二状态之间。根据状态交替装置的状态来控制针位置和送布。

8. 发明授权

US4142472A Control apparatus for an electrically driven sewing machine with stitch pattern producing device 失效
标题翻译：一种具有针迹图案生成装置的电动缝纫机的控制装置
公开(公告)号：US4142472A
公开(公告)日：1979-03-06
申请号：US825479
申请日：1977-08-17
申请人： Katsuji Soeda , Fumio Sakuma , Mitsuhiro Ooyama
发明人： Katsuji Soeda , Fumio Sakuma , Mitsuhiro Ooyama
IPC分类号： D05B3/02 , D05B3/00 , D05B19/00 , D05B19/02
CPC分类号： D05B19/02
摘要： A control apparatus for an electrically driven sewing machine with stitch pattern producing means comprises an electric signal generator for generating an electric signal related to at least one predetermined angular position of a main shaft of the sewing machine, set board means capable of setting therein a desired stitch pattern by means of a probe, and pattern detecting means for reading out cloth feed operation information and needle position information of the stitch pattern set at the set board means. The needle bar is set at a predetermined position in dependence upon the needle position information as read out, while cloth feed is effected in dependence upon the cloth feed operation information, whereby sewing operation is performed in the same stitch pattern as the one stored in the set board means.
摘要翻译：一种具有线迹图形生成装置的电动缝纫机的控制装置，包括：电信号发生器，用于产生与缝纫机的主轴的至少一个预定角度位置有关的电信号;装置板装置，通过探头的针迹图案，以及图案检测装置，用于读出在设定板装置处设置的针迹图案的送布操作信息和针位置信息。根据读取的针位置信息将针杆设定在预定位置，同时根据送布操作信息进行送布，由此缝制操作以与存储在该位置信息中的相同的针迹图案执行设置板块。

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