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1.发明授权
公开(公告)号：US5887643A
公开(公告)日：1999-03-30
申请号：US776018
申请日：1997-01-17
CPC分类号： H02K15/0012 , B22D19/0054
摘要： A rotor core (12) of a squirrel-cage rotor of an induction motor is housed in a recess (14) of a mold (18) of a conductor casting apparatus (10). A composite cylinder device (68) is fixed on the upper side of the mold (18) or on the side remoter from the pouring gate thereof, and the rotor core 12 is held in a predetermined position in the recess 14 by one piston (70). The other piston (72) locally pressurizes a molten metal that fills an end-connector ring cavity (66) defined between the rotor core (12) and the recess (14) on the side remoter from the pouring gate.
摘要翻译： PCT No.PCT / JP96 / 01326 Sec。 371日期1997年1月17日 102（e）日期1997年1月17日PCT提交1996年5月20日PCT公布。 公开号WO96 / 37037 日期：1996年11月21日感应电动机的鼠笼式转子的转子芯（12）容纳在导体铸造装置（10）的模具（18）的凹部（14）中。 复合气缸装置（68）从模具（18）的上侧或离开浇口的侧面偏心固定，转子芯12通过一个活塞（70）保持在凹部14中的预定位置 ）。 另一个活塞（72）局部地加压熔融金属，该熔融金属填充限定在转子芯体（12）与侧浇道之间的凹槽（14）之间的端部连接器环腔（66）。
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公开(公告)号：US5352964A
公开(公告)日：1994-10-04
申请号：US971969
申请日：1993-02-19
CPC分类号： H02P25/18
摘要： A control method and apparatus for actuating an induction motor which is capable of generating a sufficiently large output in a wide speed region. In such an induction motor, each of Y-connection phase windings of the induction motor is divided into two split windings 5t and 3t at a predetermined split ratio (for example, 5:3). When a rotational speed of the induction motor is in a low speed region, only the changeover switch MC2 is turned on to supply exciting current to both of the split windings 5t and 3t. When the rotational speed of the induction motor is in a middle speed region, only the changeover switch MC3 is turned on to exclusively supply exciting current to the split windings 5t. Furthermore, when the rotational speed of the induction motor is in a high speed region, only the changeover switch MC1 is turned on to exclusively supply exciting current to the split windings 3t. With this arrangement, three different numbers of turns can selectively be used with respect to each phase winding so that relatively large number of turns can be used for the rotation in the low speed region, while relatively small number of turns can be used for the rotation in the high speed region in order to accomplish the desired control the actuation of the induction motor.
摘要翻译： PCT No.PCT / JP92 / 00855 Sec。 371日期：1993年2月19日 102（e）日期1993年2月19日PCT提交1992年7月6日PCT公布。 公开号WO93 / 01653 日期1993年1月21日。一种用于致动感应电动机的控制方法和装置，其能够在宽速度区域中产生足够大的输出。 在这种感应电动机中，感应电动机的Y连接相绕组中的每一个以预定的分流比（例如5:3）被分成两个分离绕组5t和3t。 当感应电动机的转速处于低速区域时，仅转换开关MC2导通，以向两个分压绕组5t和3t提供励磁电流。 当感应电动机的转速处于中速区域时，只有转换开关MC3导通，从而向分路绕组5t专门提供励磁电流。 此外，当感应电动机的转速处于高速区域时，只有转换开关MC1导通，从而向分压绕组3t专门提供励磁电流。 通过这种布置，相对于每个相绕组可以选择性地使用三个不同的匝数，使得可以使用相对较大数量的匝数用于低速区域中的旋转，而相对较少的匝数可用于旋转 在高速区域中，以实现感应电动机的致动所需的控制。
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3.发明授权Method for casting conductor of a cage rotor of an induction motor and apparatus for casting the same 失效用于铸造感应电动机的笼式转子的导体的方法及其铸造装置
公开(公告)号：US5937930A
公开(公告)日：1999-08-17
申请号：US11219
申请日：1998-02-09
CPC分类号： B22D19/0054 , H02K15/0012 , Y10T29/49012
摘要： The invention relates to an apparatus for casting a conductor of a cage rotor of an induction motor. A rotor core (13) comprising a laminated steel sheets is housed in a recess portion of a casting mold, an upper end portion thereof is held by a holding portion (70) and molten metal is supplied into a plurality of slots formed in the rotor core, thereby forming a plurality of conductor rods and a pair of end rings connecting the ends of the conductor rods with one another. The holding portion (70) comprises a cup (72) and a cylinder (73), and an axial dimension of the cup (72) is selected in correspondence to an axial dimension of the rotor core (13) housed in the recess portion of the casting mold. Further, by using a double cylinder (77, 79) in the holding portion (70), a rotor having higher quality can be obtained. For this reason, the same conductor casting apparatus can be used for casting the conductor of the rotor having different axial lengths and qualities depending on specifications.
摘要翻译： PCT No.PCT / JP97 / 02037第 371日期：1998年2月9日 102（e）1998年2月9日PCT 1997年6月12日PCT公布。 公开号WO97 / 48171 日期：1997年12月18日本发明涉及用于铸造感应电动机的笼式转子的导体的装置。 包括层压钢板的转子铁芯（13）容纳在铸模的凹部中，其上端由保持部（70）保持，熔融金属被供给到形成在转子中的多个槽 从而形成多个导体棒和将导体棒的端部彼此连接的一对端环。 保持部分（70）包括杯（72）和圆筒（73），并且杯（72）的轴向尺寸对应于容纳在凹部（72）的凹部中的转子芯（13）的轴向尺寸 铸模。 此外，通过在保持部（70）中使用双缸（77,79），可以获得质量更高的转子。 因此，相同的导体铸造装置可以根据规格用于铸造具有不同轴向长度和质量的转子的导体。
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公开(公告)号：US5780946A
公开(公告)日：1998-07-14
申请号：US874885
申请日：1997-06-13
CPC分类号： H02K9/16 , F04D25/082 , H02K5/225
摘要： An air-cooled type electric motor (20) includes a rotor, a stator includes a stator core (28), and a front support member (32) and a rear support member (34) arranged at both axial ends of the stator core (28). A plurality of air passages (42), extending continuously in an axial direction, are provided in the stator core (28), the front support member (32), and the rear support member (34). A centrifugal blower unit (50) is placed at further rear side of the rear support member (34). Because the centrifugal blower unit (50) has a large pressure rise, air, surrounding the motor and sufficient to cause an effective cooling, can be made to flow into the air passages (42) with a smaller diameter. A drive section (56) of the blower unit (50) is fixed directly to the rear support member (34) by bolts (72). Consequently, an electric wire (74) for the drive section (56) extends through the interior space of the motor (20), and is connected to a terminal box (48). In this manner, the blowing capacity, and the moisture-proofing of the terminal box, can be improved.
摘要翻译： 风冷式电动机（20）包括转子，定子包括定子铁心（28）和布置在定子铁心的两个轴向端部的前支撑构件（32）和后支撑构件（34） 28）。 在定子铁心（28），前支撑构件（32）和后支撑构件（34）中设置有沿轴向连续延伸的多个空气通道（42）。 离心风机单元（50）设置在后支撑构件（34）的后侧。 由于离心式鼓风机单元50具有较大的压力上升，所以围绕马达并足以引起有效冷却的空气可以以较小的直径流入空气通道42。 鼓风机单元（50）的驱动部分（56）通过螺栓（72）直接固定在后支撑件（34）上。 因此，用于驱动部分（56）的电线（74）延伸穿过电动机（20）的内部空间，并连接到接线盒（48）。 以这种方式，可以提高接线盒的吹风能力和防潮性。
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公开(公告)号：US06940192B2
公开(公告)日：2005-09-06
申请号：US10643872
申请日：2003-08-20
申请人： Yukio Katsuzawa , Michi Masuya , Yasuyuki Nakazawa , Taku Oohara
发明人： Yukio Katsuzawa , Michi Masuya , Yasuyuki Nakazawa , Taku Oohara
IPC分类号： H02K1/32 , H02K5/04 , H02K5/20 , H02K7/00 , H02K9/04 , H02K9/06 , H02K9/197 , H02K9/24 , H02K9/00
摘要： An air-cooled motor has a motor body in which a through hole is formed in a rotary shaft, a supply section for supplying a fluid to the through hole, a cylindrical member surrounding the supply section, and a cooling fan provided on the side opposite the motor body with respect to the cylindrical member. A window is provided in the cylindrical member or at least a part of the cylindrical member is made of a transparent material so that the supply section can be visually observed.
摘要翻译： 风冷式电动机具有：电动机主体，其在旋转轴上形成通孔;供给部，其向所述通孔供给流体;圆筒状部件，其围绕所述供给部;以及冷却风扇， 马达主体相对于圆柱形构件。 在圆柱形构件中设置有窗口，或者圆柱形构件的至少一部分由透明材料制成，从而可以目视观察供应部分。
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公开(公告)号：US5967716A
公开(公告)日：1999-10-19
申请号：US215240
申请日：1998-12-18
CPC分类号： B23Q11/1015 , B23Q11/10 , B23Q17/00 , Y10T408/16 , Y10T408/44 , Y10T409/30392 , Y10T409/304032
摘要： A spindle protective structure capable of reliably detecting coolant leakage from a jointing device and protecting a spindle. A flow sensor is provided in the line of a drain pipe for discharging coolant leaking from the rotary joint, so that an alarm is made when the flow of coolant in the drain pipe exceeds a predetermined value. Since the coolant leaking from the jointing device is detected directly and an alarm is outputted, coolant leakage can be found out more quickly than by observing visually whether the flow of coolant jetting from a tip of a tool is normal or not.
摘要翻译： 一种主轴保护结构，能够可靠地检测来自接合装置的冷却剂泄漏并保护主轴。 在排水管的管线中设置流量传感器，用于排出从旋转接头泄漏的冷却剂，从而当排水管中的冷却剂流超过预定值时，进行报警。 由于从接合装置泄漏的冷却剂被直接检测并且输出报警，所以与从工具的尖端喷射的冷却剂的流动是否正常相比，可以更快地发现冷却剂泄漏。
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公开(公告)号：US06692202B2
公开(公告)日：2004-02-17
申请号：US10128465
申请日：2002-04-24
IPC分类号： B23D700
CPC分类号： B23Q11/103 , F16J15/164 , Y10T409/303976 , Y10T409/304032
摘要： A spindle protective structure in a spindle-through coolant feeder capable of preventing coolant form invading a spindle and a spindle motor for an excessive overflow of coolant. Coolant is supplied into a through hole formed axially in the spindle or a shaft connected to the spindle through a stationary member and a rotary member of a rotary joint supported by a housing. A seal member having elasticity is provided on a circumferential surface of the spindle or the shaft. Coolant which leaks through the seal member is splashed by a fringer provided in the housing. When a large amount of coolant is overflowed in the housing, a pressure of the coolant in a first chamber of the housing increases to press a lip of the seal member towards the circumferential surface of the spindle or the shaft to prevent leakage of coolant into a second chamber of the housing. Thus, the excessive overflow of coolant is prevented from invading the spindle and the spindle motor for a long enough time for an operator to take countermeasure for the leakage of coolant.
摘要翻译： 主轴通过冷却剂供给器中的主轴保护结构，能够防止冷却液形式侵入主轴和主轴电机以使冷却液过度溢出。 将冷却剂供给到轴心上形成的通孔中，或者通过固定部件和由壳体支撑的旋转接头的旋转部件连接到主轴上的轴。 具有弹性的密封件设置在主轴或轴的圆周表面上。 通过密封构件泄漏的冷却剂由设置在壳体中的花边板溅出。 当大量冷却剂在壳体中溢出时，壳体的第一腔室中的冷却剂的压力增加，以将密封构件的唇缘朝向心轴或轴的圆周表面挤压以防止冷却剂泄漏到 房屋第二室。 因此，防止冷却剂的过度溢出长时间地侵入主轴和主轴电机，以便操作者对冷却剂的泄漏采取对策。
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公开(公告)号：US6078115A
公开(公告)日：2000-06-20
申请号：US91582
申请日：1998-06-23
IPC分类号： H02K1/32 , B23Q5/10 , B23Q11/12 , H02K5/20 , H02K9/06 , H02K9/12 , H02K9/16 , H02K9/193 , H02K9/00
CPC分类号： B23Q11/10 , B23Q11/1015 , B23Q11/127 , B23Q5/10 , H02K9/14 , H02K9/193
摘要： An air passage extending in the axial direction of a motor shaft is formed in a plurality of places in the peripheral wall of a motor housing. An extension tube is fixed to a rear end of the motor housing to provide a space for mounting a rotary joint for connecting a coolant feed pipe to the end of a through hole in the motor shaft, and the extension tube is used as an exhaust (ventilation) passage so that the motor can be cooled with air introduced into the air passage through the tube by using a fan provided on a rear end of the extension tube.
摘要翻译： PCT No.PCT / JP97 / 04068 Sec。 371日期1998年6月23日第 102（e）日期1998年6月23日PCT 1997年11月7日PCT公布。 WO98 / 20601 PCT出版物 日期1998年5月14日在电动机壳体的周壁的多个位置形成有沿电动机轴的轴向延伸的空气通路。 延长管固定在马达壳体的后端，以提供用于安装用于将冷却剂供给管连接到电动机轴的通孔的端部的旋转接头的空间，并且延伸管用作排气（ 通风）通道，使得可以通过使用设置在延伸管的后端上的风扇通过管引入空气通道的空气来冷却电动机。
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公开(公告)号：US5084642A
公开(公告)日：1992-01-28
申请号：US474031
申请日：1990-04-18
申请人： Yukio Katsuzawa , Michi Masuya , Yasuyuki Nakazawa
发明人： Yukio Katsuzawa , Michi Masuya , Yasuyuki Nakazawa
摘要： When an operation of a motor cannot be continued due to a large amount of heat generated when the motor is rotated at a high speed and under a high load, the motor is usually cooled by adopting a cooling structure using a coolant with a high cooling performance. It is, however, difficult to cast a casing with a complex channel, and the manufacturing costs are high. According to the present invention, through channels (15a, 15a) are formed along a central casing (10) of a motor casing consisting of a main central casing (10), a front end casing and a rear end casing (12, 14) when casting, and each through channel (15a, 15b) is communicated via communication holes (16a, 16b, 18a, 18b) drilled in the front end casing (12) and in the rear end casing (14), so that the whole of the casing can be fully cooled.
摘要翻译： PCT No.PCT / JP89 / 00832 Sec。 371日期1990年04月18日 102（e）1990年4月18日PCT PCT。1989年8月16日。当电动机高速旋转并且在高负载下产生大量热量时，电动机的操作不能继续， 通常采用采用冷却效果好的冷却剂的冷却结构来冷却电动机。 然而，难以用复杂的通道浇铸套管，制造成本高。 根据本发明，通过通道（15a，15a）沿着由主中心壳体（10），前端壳体和后端壳体（12,14）构成的电动机壳体的中心壳体（10）形成， 并且每个通道（15a，15b）通过在前端壳体（12）和后端壳体（14）中钻出的连通孔（16a，16b，18a，18b）连通， 外壳可以完全冷却。
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公开(公告)号：US07153030B2
公开(公告)日：2006-12-26
申请号：US11019714
申请日：2004-12-23
申请人： Yukio Katsuzawa , Yasuyuki Nakazawa , Taku Oohara
发明人： Yukio Katsuzawa , Yasuyuki Nakazawa , Taku Oohara
IPC分类号： F16C33/66
CPC分类号： F16C33/6622 , F16C33/6618 , H02K7/08
摘要： A rolling bearing system provided with an inner ring including a first raceway surface, an outer ring including a second raceway surface, a rolling element retained between the inner ring and the outer ring and capable of rolling along the first raceway surface and the second raceway surface, and a lubricant storage section incorporated in a bearing structure. The lubricant storage section includes a grease tank arranged between the inner and outer rings for storing a grease, and a grease pressing mechanism for pushing the grease stored in the grease tank out of the grease tank to supply the grease to the rolling element and the first and second raceway surfaces. The inner ring includes a first extending surface adjoining the first raceway surface, and the outer ring includes a second extending surface adjoining the second raceway surface and facing the first extending surface. The grease tank is housed in an annular space defined between the first and second extending surfaces.
摘要翻译： 一种具有内圈的滚动轴承系统，该内圈包括第一滚道面，包括第二滚道面的外圈，保持在内圈与外圈之间的滚动体，能够沿第一滚道面和第二滚道面 以及结合在轴承结构中的润滑剂储存部。 润滑剂储存部包括设置在内圈和外圈之间用于储存润滑脂的润滑脂槽，以及用于将存储在油脂罐中的油脂推出脂肪罐的润滑脂挤压机构，以将润滑脂供给到滚动元件，并且第一 和第二个滚道表面。 所述内圈包括邻接所述第一滚道表面的第一延伸表面，并且所述外环包括邻接所述第二滚道表面并面向所述第一延伸表面的第二延伸表面。 油脂罐容纳在限定在第一和第二延伸表面之间的环形空间中。
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