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1.发明授权公开(公告)号：US10333375B2
公开(公告)日：2019-06-25
申请号：US15600821
申请日：2017-05-22
申请人： FANUC CORPORATION
发明人： Yasuyuki Nakazawa
摘要： To provide an electric motor enabling easy and high-precision balance correction, and a machine toll including this electric motor. An electric motor (1) includes: a cylindrical stator (2); a rotor (3) having a rotary shaft part (31) inserted inside of the stator (2); a housing (4) installed to both ends in an axial direction of the stator (2); an opening (51a) provided in at least one outer peripheral lateral face of the housing (4), and disposed to be separated from an internal space (S) of the stator and a ventilation passage (9) formed in the stator (2); and a balance correction component (6, 61) that is installed to the rotary shaft part (31), and corrects balance of the rotor (3), in which the balance correction component (61) is exposed to outside from the opening (51a); and a machine tool (10) includes this electric motor (1).
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公开(公告)号：US20190105746A1
公开(公告)日：2019-04-11
申请号：US16151562
申请日：2018-10-04
申请人： FANUC CORPORATION
发明人： Yasuyuki Nakazawa
摘要： A motor, to which a rotary joint supporting structure for supporting a rotary joint is attached, turns a spindle. The motor includes a motor housing, a rotary shaft having a hollow shape and penetrating through the motor housing in the axial direction of the spindle, a flinger integrally attached to the rotary shaft outside the motor housing and disposed on the side to which the rotary joint supporting structure is attached, and a peripheral wall provided on the motor housing and projecting in the axial direction of the spindle so as to surround the periphery of the flinger. A plurality of cutouts are formed in the peripheral wall so as to establish communication between the interior and the exterior of the peripheral wall.
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3.发明申请MOTOR HAVING AIR PATH OF STATOR, OR FAN CLEANABLE, AND CLEANING SYSTEM OF MOTOR 审中-公开具有定子空气路径，风扇清洁的电动机和电动机的清洁系统公开(公告)号：US20160105069A1
公开(公告)日：2016-04-14
申请号：US14876901
申请日：2015-10-07
申请人： FANUC CORPORATION
发明人： Yasuyuki Nakazawa
摘要： Provided is a motor enabling more simple and efficient cleaning of the inside of an air path. The motor includes a stator, a housing which holds the stator, a fan arranged outside the stator, a fan cover which houses the fan and is mounted on the housing, an air path including an inlet and an outlet for a cooling gas, and a first cleaning hole extending from a first opening that faces and opens to the air path at a position closer to the outlet than the inlet to a second opening which opens to the outside.
摘要翻译： 提供了一种能够更简单且有效地清洁空气通道内部的电动机。 电动机包括定子，保持定子的壳体，布置在定子外部的风扇，容纳风扇并安装在壳体上的风扇盖，包括用于冷却气体的入口和出口的空气路径，以及 第一清洁孔从第一开口延伸，所述第一开口在比通向所述外部的第二开口更靠近所述出口的位置处朝向并打开到所述空气路径。
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公开(公告)号：US11529708B2
公开(公告)日：2022-12-20
申请号：US16945001
申请日：2020-07-31
申请人： FANUC CORPORATION
发明人： Yasuyuki Nakazawa
摘要： A fan-equipped motor includes: a motor for rotating a spindle, the motor including a hollow-shaped motor shaft in which a through hole is formed; and a fan for cooling the motor, the fan including a hollow-shaped rotary shaft in which a through hole is formed, and a plurality of blades attached to the rotary shaft, the fan being disposed on the side of the motor that is opposite to the spindle. The motor shaft and the rotary shaft are disposed so that cooling air produced by the fan flows in a different passage and in a different direction from a gas supplied into the through hole of the rotary shaft and flowing in the through hole of the motor shaft.
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公开(公告)号：US20190126420A1
公开(公告)日：2019-05-02
申请号：US16166809
申请日：2018-10-22
申请人： FANUC CORPORATION
发明人： Yasuyuki Nakazawa
摘要： A motor, to which a rotary joint supporting structure is attached, turns a spindle. The motor includes a motor housing, a rotary shaft that is hollow, the flinger that is integrally attached to the rotary shaft outside the motor housing, and a peripheral wall that is provided in the motor housing and projects in the axial direction of a spindle so as to surround the periphery of the flinger. The peripheral wall has cutouts in its side surface so as to establish communication between the interior and exterior of the peripheral wall, to thereby form protrusions projecting in the axial direction of the rotary shaft and an annular top plate portion provided on the distal end of the protrusions.
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公开(公告)号：US10807208B2
公开(公告)日：2020-10-20
申请号：US16151562
申请日：2018-10-04
申请人： FANUC CORPORATION
发明人： Yasuyuki Nakazawa
摘要： A motor, to which a rotary joint supporting structure for supporting a rotary joint is attached, turns a spindle. The motor includes a motor housing, a rotary shaft having a hollow shape and penetrating through the motor housing in the axial direction of the spindle, a flinger integrally attached to the rotary shaft outside the motor housing and disposed on the side to which the rotary joint supporting structure is attached, and a peripheral wall provided on the motor housing and projecting in the axial direction of the spindle so as to surround the periphery of the flinger. A plurality of cutouts are formed in the peripheral wall so as to establish communication between the interior and the exterior of the peripheral wall.
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公开(公告)号：US10224791B2
公开(公告)日：2019-03-05
申请号：US15628240
申请日：2017-06-20
申请人： FANUC CORPORATION
发明人： Yasuyuki Nakazawa
摘要： To provide an electric motor enabling easy and high-precision balance correction even after operating over a long period, and a machine toll including this electric motor. An electric motor includes: a cylindrical stator; a rotor having a rotary shaft part inserted inside of the stator; a housing installed to both ends in an axial direction of the stator; a terminal box that is mounted to the housing and accommodates a terminal block; an opening provided so as to open within the terminal box through the housing, and disposed to be separated from a ventilation passage formed in the stator; and a first balance correction component that is installed to the rotary shaft part, and corrects balance of the rotor, in which the first balance correction component is exposed within the terminal box from the opening; and a machine tool includes this electric motor.
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8.发明申请公开(公告)号：US20160167185A1
公开(公告)日：2016-06-16
申请号：US14966033
申请日：2015-12-11
申请人： FANUC CORPORATION
发明人： Yasuyuki Nakazawa
CPC分类号： B23Q11/103 , F16L39/04
摘要： A rotary joint support structure includes a rotary joint holding part which covers contact parts between a rotating side member and a stationary side member, at least one drain hole which extends from the outside to the rotary joint holding part, a first cleaning passage which communicates with the rotary joint holding part, a hollow shaft holding part which covers the hollow shaft and hollow shaft surrounding part, at least one cutaway part which is formed so as to communicate the outside with the hollow shaft holding part, and a second cleaning passage which is formed inside the housing corresponding to the at least one cutaway part.
摘要翻译： 旋转接头支撑结构包括：旋转接头保持部，其覆盖旋转侧构件和固定侧构件之间的接触部;至少一个从外部延伸到旋转接头保持部的排出孔;与第一清洁通道 旋转接头保持部，覆盖中空轴的中空轴保持部和中空轴周围部，形成为与空心轴保持部连通的至少一个切除部，以及第二清扫通路， 形成在所述壳体内对应于所述至少一个切除部分。
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公开(公告)号：US08791612B2
公开(公告)日：2014-07-29
申请号：US13845737
申请日：2013-03-18
申请人： Fanuc Corporation
发明人： Yasuyuki Nakazawa
IPC分类号： H02K5/16
CPC分类号： H02K9/04 , H02K5/10 , H02K9/00 , H02K2205/09
摘要： An electric motor including a housing; an output shaft stuck out from an end face of the housing; an air purge device having an inner circumferential surface and a mounting surface, the inner circumferential surface surrounding an outer circumferential surface of the output shaft, the mounting surface is mounted on the end face of the housing, the air purge device being configured to supply air to a clearance between the inner circumferential surface and the outer circumferential surface of the output shaft; and a fastening part fastening the air purge device to the end face of the housing in a detachable manner. The housing and the air purge device respectively having fitting parts at which the housing and the air purge device are fitted to each other when mounting the air purge device to the end face of the housing.
摘要翻译： 一种电动机，包括壳体; 输出轴从壳体的端面伸出; 具有内周面和安装面的空气净化装置，所述内周面围绕所述输出轴的外周面，所述安装面安装在所述壳体的端面上，所述空气净化装置构造成供给空气 到输出轴的内周面和外周面之间的间隙; 以及紧固部件，其以可拆卸的方式将空气净化装置固定到壳体的端面。 壳体和空气净化装置分别具有装配部件，当将空气净化装置安装到壳体的端面时，壳体和空气净化装置彼此装配。
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公开(公告)号：US10447116B2
公开(公告)日：2019-10-15
申请号：US15907644
申请日：2018-02-28
发明人： Yasuyuki Nakazawa
摘要： An electric motor includes a stator having a tubular shape, a rotor rotatable around a rotary axis and having a rotary spindle, a first housing part disposed so as to partially house the rotary spindle, a second housing part disposed at the other end of the stator in the rotary axis direction, a third housing part at a side opposite to the first housing part in the rotary axis direction with respect to the second housing part, a plurality of ventilation parts formed so as to communicate with at least the stator, the second housing part, and the third housing part, and a plurality of fans for ventilating the plurality of ventilation parts, the plurality of fans being disposed in the third housing part on a plane perpendicular to the rotary axis so as not to overlap the rotary axis.
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