公开(公告)号：US20180246319A1

公开(公告)日：2018-08-30

申请号：US15964325

申请日：2018-04-27

Applicant: OLYMPUS CORPORATION

Inventor： Tomohiro KITANAKA

IPC: G02B26/02 ,  G02B23/24

CPC classification number: G02B26/02 ,  G02B5/005 ,  G02B7/005 ,  G02B23/2469 ,  G02B23/26 ,  G03B9/02 ,  G03B2205/0069 ,  H01L41/09 ,  H02K7/10 ,  H02K7/14 ,  H02K21/18 ,  H02N2/002 ,  H02N2/0075

Abstract: The light adjustment apparatus includes a rotation axis body that supports a rotation arm part that removes/places a light adjustment part from/on a light path, and has a magnet installed therein, a support member that supports the rotation axis body rotatably, a turning force that forms a magnetic circuit including the rotation axis body on the circuit, and rotates the rotation axis body by causing a magnetic flux generated by a drive current on which a high-frequency wave is superimposed to act on a magnet, and an electromagnetic drive source that supplies a minute vibration on a sliding portion between the rotation axis body and the support member, in which a frictional resistance at the sliding portion changes from a static friction to a kinetic friction, which reduces the frictional resistance upon rotation activation of the rotation axis body.

公开(公告)号：US10056813B2

公开(公告)日：2018-08-21

申请号：US15021263

申请日：2014-09-18

Applicant: E.V.R. MOTORS LTD.

Inventor： Eliyahu Rozinsky ,  Viktor Kislev ,  Ruslan Shabinski

IPC: H02K1/14 ,  H02K21/18 ,  H02K21/12 ,  H02K41/03 ,  H02K1/27 ,  H02K1/28 ,  H02K15/02 ,  H02K3/52 ,  H02K5/08 ,  H02K16/00 ,  H02K1/18

CPC classification number: H02K21/18 ,  H02K1/143 ,  H02K1/18 ,  H02K1/182 ,  H02K1/27 ,  H02K1/28 ,  H02K3/521 ,  H02K5/08 ,  H02K15/022 ,  H02K16/00 ,  H02K21/12 ,  H02K41/031 ,  H02K2201/12 ,  H02K2201/15 ,  H02K2213/03 ,  H02K2213/12

Abstract: An electromagnetic unit configured for being employed in a stator of an electric machine. The electromagnetic unit is constituted by a unitary solid body, and comprises a neck portion constituted by two end extensions sufficiently spaced apart for receiving therein a portion of a driven component of the electrical machine. The end extensions define therebetween a symmetry axis. The electromagnetic unit further comprises a frame extending from the end extensions and lying on the same or parallel plane as that of the end extensions. The frame has a first frame portion extending to one side of the symmetry axis to an extent W1, and a second frame portion extending to the other side of the symmetry axis to an extent W2

公开(公告)号：US20170104402A1

公开(公告)日：2017-04-13

申请号：US15038082

申请日：2014-11-19

Applicant: Shanshan Dai

Inventor： Shanshan DAI ,  Kai FENG ,  Meng WAN ,  Zhanfeng YING ,  Shizhu ZHU

IPC: H02K37/14 ,  H02K3/18 ,  H02K1/14

CPC classification number: H02K37/14 ,  H02K1/141 ,  H02K3/18 ,  H02K21/12 ,  H02K21/18 ,  H02K21/24 ,  H02K41/031

Abstract: On an AC permanent magnet switched reluctance motor stator seat, “C-shaped” or “U-shaped” excitation salient pole pairs or compound excitation salient pole pairs are set up in a balanced way. Excited by excitation current, the permanent magnet flux of compound excitation salient pole pair is imported into the main loop of excitation flux to form compound excitation magnetic potential. On the rotor support, permanent magnets are fixed at the same interval, and the magnetic polarity of neighboring permanent magnets on a same rotating surface is different. When the rotating shaft rotates, two magnet pole faces of each permanent magnet on rotor support will be dead against the two ports of each excitation salient pole pair on the stator, forming a closed magnetic loop with air gap.

公开(公告)号：US20130229080A1

公开(公告)日：2013-09-05

申请号：US13411588

申请日：2012-03-04

Applicant: Arnold Jones

Inventor： Arnold Jones

IPC: H02K21/00 ,  H02K1/06

CPC classification number: H02K21/00 ,  H02K21/12 ,  H02K21/14 ,  H02K21/18

Abstract: A rotary magnetic motor having a rotor configured to magnetically interact with a stator to obtain rotation of the rotor about its axis. The stator has a magnetic structure of a generally involute shape around the axis of rotation. The stator magnetic structure has a plurality of permanent magnets defining a first magnetic face of a first polarity. The rotor has a magnetic structure of a generally circular shape around the axis and inside the stator magnetic structure. The rotor has a plurality of permanent magnets defining a second magnetic face of a second polarity. The magnetic attraction and repulsing of the aligned magnetic faces with a progressively narrowing radial gap, resulting from the involute shape, rotate the rotor inside the stator. A magnetic pulse mechanism discharges a magnetic pulse of the first polarity to provide an additional pull to continue the rotation of the rotor through its full cycle.

Abstract translation: 一种具有转子的旋转磁电动机，其被配置为与定子磁性相互作用以获得转子绕其轴线的转动。 定子具有围绕旋转轴线的大致渐开线形状的磁性结构。 定子磁性结构具有限定第一极性的第一磁性面的多个永磁体。 转子具有围绕轴线和定子磁性结构内部的大致圆形的磁性结构。 转子具有限定第二极性的第二磁性面的多个永磁体。 由渐开线形状引起的逐渐缩小的径向间隙的对准磁性面的磁吸引和排斥使定子内部的转子旋转。 磁脉冲机构对第一极性的磁脉冲进行放电以提供额外的拉力，以通过其整个循环来继续旋转转子。

公开(公告)号：US20060119215A1

公开(公告)日：2006-06-08

申请号：US11205264

申请日：2005-08-15

Applicant: Edward Ritz ,  John Bales

Inventor： Edward Ritz ,  John Bales

IPC: H02K1/22

CPC classification number: H02K21/24 ,  H02K1/141 ,  H02K21/18 ,  H02K41/031 ,  H02K2201/15

Abstract: An electromechanical machine having a stator and a rotor, the stator including at least one stator module of N toroid shaped electromagnets, the electromagnets arranged along an arc a predetermined distance apart defining a stator arc length. Each of the electromagnets has at least one gap. The rotor includes a disc adapted to pass through the at least one gap. The disc includes a plurality of permanent magnets spaced side by side about a periphery thereof and arranged so as to have alternating north-south polarities. The permanent magnets are sized and spaced such that within the stator arc length the ratio of permanent magnets to electromagnets is N+1 to N, where N is the number of electrical excitation phases applied to the electromagnets.

Abstract translation: 一种具有定子和转子的机电机械，所述定子包括N个环形电磁体的至少一个定子模块，所述电磁体沿着预定距离分开限定定子弧长度的弧线布置。 每个电磁铁具有至少一个间隙。 转子包括适于穿过至少一个间隙的盘。 盘包括围绕其周边并排布置的多个永磁体，并且被布置为具有交替的南北极性。 永久磁铁的尺寸和间隔使得在定子电弧长度内，永磁体与电磁体的比例为N + 1至N，其中N为施加到电磁体的电激励相数。

公开(公告)号：US5881447A

公开(公告)日：1999-03-16

申请号：US292470

申请日：1994-08-18

Applicant: David T. Molnar

Inventor： David T. Molnar

IPC: F25B49/02 ,  F25D17/06 ,  F25D29/00 ,  H02K1/27 ,  H02K3/52 ,  H02K5/02 ,  H02K5/08 ,  H02K5/167 ,  H02K5/22 ,  H02K11/04 ,  H02K15/03 ,  H02K21/18 ,  H02K29/03 ,  H02K29/08 ,  H02P6/08 ,  H02P6/12 ,  H02K15/04

CPC classification number: H02K1/278 ,  F25D29/00 ,  H02K1/2726 ,  H02K11/33 ,  H02K11/40 ,  H02K15/03 ,  H02K29/03 ,  H02K29/08 ,  H02K3/524 ,  H02K5/02 ,  H02K5/08 ,  H02K5/1672 ,  H02P6/08 ,  H02P6/12 ,  F25B49/022 ,  F25D17/06 ,  F25D2400/04 ,  H02K21/18 ,  H02K2211/03 ,  H02K5/225 ,  Y10S310/06 ,  Y10T29/49012 ,  Y10T29/53143

Abstract: A permanent magnet rotor includes a core and a plurality of magnetizable elements adhesively secured to the outer surface of the core. The core and adhered magnetizable elements are cold-pressed into a deep drawn cup-shaped outer metallic shell having a substantially closed end wall and an opposite open end defined by a peripheral edge which is rolled over the periphery of an end plate to encapsulate the core and magnetizable elements within the shell with an insulator disk disposed between each end of the core and the adjacent shell end wall and end plate. The permanent magnet rotor may be formed by a method and apparatus that cold press the core and magnetizable elements into the cup-shaped shell and form the peripheral edge of the shell over the end plate to effect encapsulation.

Abstract translation: 永磁转子包括一个芯和多个可磁化元件，这些可磁化元件粘合地固定在芯的外表面上。 核心和粘附的可磁化元件被冷压成具有基本封闭的端壁的深拉的杯形外金属壳体，并且相对的开口端由周边边缘限定，该周边边缘在端板的周边上滚动以封装芯 以及壳体内的可磁化元件，其中绝缘体盘设置在芯体的每个端部与相邻的壳端壁和端板之间。 永磁转子可以通过将芯体和可磁化元件冷压到杯形壳体中并在端板上形成壳体的周边边缘以实现封装的方法和设备来形成。

公开(公告)号：US4636676A

公开(公告)日：1987-01-13

申请号：US693703

申请日：1985-01-22

Applicant: Leo Bertram ,  Gerhard Diefenbach ,  Hugo Schemmann

Inventor： Leo Bertram ,  Gerhard Diefenbach ,  Hugo Schemmann

IPC: H02K21/14 ,  H02K1/27 ,  H02K21/18 ,  H02K21/08

CPC classification number: H02K21/18 ,  H02K1/2733

Abstract: A single-phase synchronous motor with a two-pole permanent-magnet rotor of a magnet material having a remanence B.sub.r, a specific density .rho., a rotor diameter d, a resulting detent torque of an amplitude M.sub.k1, and a mass moment of inertia J. In the single-phase synchronous motor, high-energy magnet materials are used for the rotor, which rotor material is characterized by the constant ##EQU1## The moment of inertia J and/or the detent torque M.sub.k1 should be influenced in such a way that the natural frequency ##EQU2## of the low-amplitude freely oscillating system comprising the rotor and the load is unequal to the mains frequency .omega..sub.e. In the design of a single-phase synchronous motor this may result in, for example, the air gap at the narrowest point being enlarged in comparison with the dimensions of conventional motors having rotors with conventional permanent magnet materials.

Abstract translation: 具有磁铁材料的两极永磁转子的单相同步电动机具有剩磁Br，特定密度rho，转子直径d，振幅Mk1的所得制动力矩和质量转动惯量J 在单相同步电动机中，高能磁体材料用于转子，该转子材料的特征在于恒定的转动惯量J和/或制动转矩Mk1应受这种影响 包括转子和负载的低幅度自由振荡系统的固有频率不等于电源频率ωe。 在单相同步电动机的设计中，例如，与具有常规永磁材料的转子的常规电动机的尺寸相比，这可能导致最窄点处的气隙扩大。

公开(公告)号：US4577129A

公开(公告)日：1986-03-18

申请号：US571283

申请日：1984-01-16

Applicant: Leo Bertram

Inventor： Leo Bertram

IPC: H02K21/12 ,  H02K1/14 ,  H02K16/00 ,  H02K21/18 ,  H02K7/20

CPC classification number: H02K21/18 ,  H02K16/00

Abstract: An electric motor having two stator sections having co-planar central parts extending between first and second co-planar pole pairs. An excitation coil is provided around each stator central part, and the pole shoes forming the pole pairs are spaced from the coil ends. The stators are preferably laminated from iron sheets, corresponding parts of the sheets of the two sections being co-planar.

Abstract translation: 具有两个定子部分的电动机具有在第一和第二共面极对之间延伸的共面中心部分。 在每个定子中心部分周围设置有励磁线圈，并且形成极对的极靴与线圈端部间隔开。 定子优选地从铁片层压，两个部分的片的相应部分是共面的。

公开(公告)号：US4554471A

公开(公告)日：1985-11-19

申请号：US710940

申请日：1985-03-13

Applicant: Leo Bertram ,  Hugo Schemmann ,  Jan de Boer

Inventor： Leo Bertram ,  Hugo Schemmann ,  Jan de Boer

IPC: H02K21/12 ,  H02K1/06 ,  H02K1/14 ,  H02K21/18 ,  H02K31/00

CPC classification number: H02K21/18 ,  H02K21/185

Abstract: The invention relates to an electric motor having a U-shaped stator iron such as a series-, split-pole- or single-phase synchronous motor. Between the free shank ends of the stator, pole shoes are formed, and on the shanks, induction coils are provided. The shanks of the stator iron in the area between the pole shoes and the coils are bent with respect to the central plane of the stator iron in such manner that the shaft of the rotor with the central plane of the stator iron encloses an angle differing from the perpendicular to the central plane.

Abstract translation: 本发明涉及具有U形定子铁的电动机，例如串联，分相或单相同步电动机。 在定子的自由柄端之间形成极靴，并且在柄上提供感应线圈。 在极靴和线圈之间的区域中的定子铁的柄部相对于定子铁心的中心平面弯曲，使得具有定子铁心的中心平面的转子轴包围不同于 垂直于中心平面。

公开(公告)号：US4029980A

公开(公告)日：1977-06-14

申请号：US546938

申请日：1975-02-04

Applicant: John Griffith Gamble

Inventor： John Griffith Gamble

IPC: G04C3/16 ,  H02K21/18 ,  H02K21/14

CPC classification number: H02K21/18 ,  G04C3/16

Abstract: A clock with a rotary drive motor having a pair of axially aligned stator subassemblies with identical molded frame parts with interfitting end portions rotatably supporting a permanent magnet rotor and take-off gears. A separate axially extending U-shaped pole piece is mounted on each frame part to provide four stator poles equiangularly spaced about the axis of the rotor, and each frame part forms a coil bobbin for winding a stator coil for the respective pole piece.

Abstract translation: 具有旋转驱动电机的时钟具有一对轴向对齐的定子子组件，其具有相同的模制框架部件，其具有可旋转地支撑永磁转子和起飞齿轮的相互配合的端部。 在每个框架部分上安装一个单独的轴向延伸的U形极片，以提供围绕转子轴线等角度间隔的四个定子极，并且每个框架部分形成用于卷绕相应极片的定子线圈的线圈架。