公开(公告)号：US11876434B2

公开(公告)日：2024-01-16

申请号：US17446933

申请日：2021-09-03

Applicant: Dana Limited

Inventor： Steven Vanhee ,  Dolf Vandamme

IPC: H02K9/193 ,  H02K9/26 ,  H02K9/28

CPC classification number: H02K9/193 ,  H02K9/26 ,  H02K9/28

Abstract: Systems for removing excess coolant oil and air from a radial air gap between a stator and a rotor of an electric motor are provided. In one example, the systems may include a ring covering the radial air gap, the ring configured to route coolant out of the radial air gap via one or more channels.

公开(公告)号：US20230226679A1

公开(公告)日：2023-07-20

申请号：US18151511

申请日：2023-01-09

Applicant: YAMABIKO CORPORATION

Inventor： Hisato OSAWA

IPC: B25F5/00 ,  H02K5/20 ,  H02K7/14 ,  H02K9/06 ,  H02K9/26

CPC classification number: B25F5/008 ,  H02K5/207 ,  H02K7/145 ,  H02K9/06 ,  H02K9/26 ,  B27B17/08

Abstract: A power working machine comprises a working portion, a driving portion, a main body portion, and a blowing portion. The working portion is configured to act on a work object. The driving portion is configured to drive the working portion. The main body portion includes a bottom surface portion, an intake port, and an exhaust port, and is configured to form a storage space for storing the driving portion and an airflow path leading from the intake port to the exhaust port through the storage space. The blowing portion is configured to generate an airflow in the airflow path toward the exhaust port. The intake port is configured to open in a direction having a vertical downward component in a first state in which the power working machine is placed with the bottom surface portion facing a horizontal surface.

公开(公告)号：US11692466B2

公开(公告)日：2023-07-04

申请号：US16426876

申请日：2019-05-30

Applicant: PRATT & WHITNEY CANADA CORP.

Inventor： Dana Tomescu ,  Daniel Alecu

IPC: H02K1/32 ,  H02K7/00 ,  F01M1/02 ,  F16N13/20 ,  F16N39/06 ,  F04B37/00 ,  B64D33/08 ,  H02K7/08 ,  H02K9/19 ,  H02K9/26 ,  H02K7/18 ,  F16C33/66 ,  F01M11/03

CPC classification number: F01M1/02 ,  B64D33/08 ,  F01M11/03 ,  F04B29/00 ,  F16C33/6659 ,  F16N13/20 ,  F16N39/06 ,  H02K1/32 ,  H02K7/003 ,  H02K7/085 ,  H02K7/1823 ,  H02K9/19 ,  H02K9/26 ,  F01M2001/0238 ,  F16N2013/205 ,  F16N2210/08 ,  F16N2210/16

Abstract: A machine includes a liquid lubrication system and a shaft, the shaft being rotatable about a rotation axis, the shaft including a first part, a second part engaged coaxially with the first part, and a journal bearing between the first part and the second part, the first part being rotatable relative to the second part about the rotation axis, a helical feature disposed between the first part and the second part and configured to define a helical pump between the first part and the second part, the pump being hydraulically connected to the liquid lubrication system, the journal bearing being disposed adjacent to the helical feature.

公开(公告)号：US20180212491A1

公开(公告)日：2018-07-26

申请号：US15577738

申请日：2016-04-07

Applicant: SEW-EURODRIVE GMBH & CO. KG

Inventor： Waldemar Becker ,  Domenik Hettel ,  Thomas Rung ,  Jens Schillinger

IPC: H02K5/20 ,  H02K7/116 ,  H02K5/10 ,  H02K5/16 ,  H02K9/04

CPC classification number: H02K5/20 ,  H02K5/10 ,  H02K5/16 ,  H02K7/116 ,  H02K9/04 ,  H02K9/16 ,  H02K9/26 ,  H02K2205/09

Abstract: A drive device includes an electric motor and a gear unit that is driven by the electric motor. The electric motor has a laminated stator core which includes stator windings and is accommodated in a stator housing. The stator housing has recesses that are axially uninterrupted, i.e. in particular in the direction of the rotor shaft axis, and the stator housing is surrounded, especially radially surrounded, by a housing of the drive device, in particular a tubular housing and/or a cup-shaped housing, and the housing is set apart from the stator housing, in particular such that an especially circulating airflow is able to be provided within the housing, the recesses in particular guiding the airflow through in the axial direction, and the airflow being returned in the opposite direction in the set-apart region between the stator housing part and the housing.

公开(公告)号：US10014735B2

公开(公告)日：2018-07-03

申请号：US15554133

申请日：2015-11-17

Applicant: XINJIANG GOLDWIND SCIENCE & TECHNOLOGY CO., LTD.

Inventor： Shengjun Ma ,  Rujang Xin ,  Dong Wang ,  Chengqian Liu

IPC: H02K1/18 ,  H02K1/20 ,  H02K9/04 ,  H02K5/10 ,  F03D9/25

CPC classification number: H02K1/18 ,  F03D9/25 ,  F05B2220/7066 ,  F05B2220/7068 ,  F05B2240/57 ,  F16J15/54 ,  H02K1/20 ,  H02K5/10 ,  H02K7/1838 ,  H02K9/04 ,  H02K9/26 ,  H02K21/22 ,  Y02E10/725

Abstract: A stator of a permanent magnet direct-drive wind power generator includes a stator support, a stator iron core, a blade side tooth pressing plate and a blade side surrounding plate. At least one comb tooth air inlet hole is provided on a side close to the rotor of the blade side surrounding plate, the comb tooth air inlet hole and the second air hole are connected respectively via an air guide pipe. A first spiral comb tooth mechanism is provided on a side, close to the rotor sealing ring, of the blade side surrounding plate, the first spiral comb tooth mechanism is in communication with the comb tooth air inlet hole. The first spiral comb tooth mechanism has first spiral comb teeth protruding into an annular gap formed by the blade side surrounding plate and the rotor sealing ring for generating an airflow with spiral motion.

公开(公告)号：US20160172938A1

公开(公告)日：2016-06-16

申请号：US14570532

申请日：2014-12-15

Applicant: Hamilton Sundstrand Corporation

Inventor： Debabrata Pal

IPC: H02K9/19 ,  H02K9/02 ,  H02K15/02 ,  H02K1/22

CPC classification number: H02K9/19 ,  H02K1/32 ,  H02K9/26 ,  H02K2213/03

Abstract: A liquid cooled generator is provided having a rotor having a central core and a main stator winding wrapped around the central core. A first laminate at a first end of the central core is provided having a first orifice defining a first diameter and a second laminate at a second end of the central core is provided having a second orifice defining a second diameter that is the same as the first diameter. A flow line passes through the central core and is configured to extend from the first laminate to the second laminate, the flow line defining a third diameter that is larger than the first and second diameters. The first and second diameters are configured such that air flow is permitted to pass through the first and second laminates and to restrict the flow of a liquid through the first and second laminates.

Abstract translation: 提供一种液体冷却发电机，其具有转子，该转子具有中心芯和缠绕在中心芯上的主定子绕组。 提供了在中心芯的第一端处的第一层压板，其具有限定第一直径的第一孔口和在中心芯部的第二端处的第二层压板，其具有限定与第一直径相同的第二直径的第二孔口 直径。 流动线穿过中心芯并被构造成从第一层压板延伸到第二层压板，流动线限定大于第一和第二直径的第三直径。 第一直径和第二直径被配置成允许空气流通过第一和第二层压板并限制液体通过第一和第二层压板的流动。

公开(公告)号：US20140230439A1

公开(公告)日：2014-08-21

申请号：US13771878

申请日：2013-02-20

Applicant: HAMILTON SUNDSTRAND CORPORATION

Inventor： Eric A. Brust ,  Eric A. Nager ,  Ted A. Martin ,  Jake A. Rohrig ,  Brady A. Manogue

IPC: F02B73/00

CPC classification number: B64D41/00 ,  F01D15/10 ,  F01D25/20 ,  F05D2220/50 ,  F05D2260/20 ,  F05D2260/205 ,  F16N2039/065 ,  F16N2200/00 ,  F16N2200/10 ,  F16N2260/30 ,  H02K7/1823 ,  H02K9/19 ,  H02K9/24 ,  H02K9/26 ,  H02K11/25 ,  Y02T50/675

Abstract: A generator includes a main cavity and a shaft located in the main cavity. The shaft is configured to be connected to an auxiliary power unit (APU) and rotated by the APU. The generator is configured to generate power based on the rotation of the shaft. A fluid system is configured to receive a fluid from the APU, flow the fluid through the main cavity and return the fluid to the APU through a fluid scavenge channel. A filter is configured to filter the fluid from the main cavity to the fluid scavenge channel and a sensor is configured to detect a characteristic of the fluid at the filter.

Abstract translation: 发电机包括主腔和位于主腔中的轴。 轴被配置为连接到辅助动力单元（APU）并由APU旋转。 发电机被配置为基于轴的旋转产生动力。 流体系统构造成从APU接收流体，使流体流过主腔并通过流体清除通道将流体返回到APU。 过滤器被配置为将来自主腔的流体过滤到流体清除通道，并且传感器被配置为检测过滤器处的流体的特性。

公开(公告)号：US20130333573A1

公开(公告)日：2013-12-19

申请号：US13613802

申请日：2012-09-13

Applicant: Kaori Oosawa

Inventor： Masahide Furukawa ,  Takeshi Oosawa ,  Hidetaka Yajima

IPC: B01D46/44

CPC classification number: B01D46/44 ,  B01D46/0086 ,  B01D46/446 ,  B01D46/46 ,  B01D2273/30 ,  H02K9/26

Abstract: According to one embodiment, a dynamo-electric machine includes a rotor, a stator, a frame, a shaft sealing device, and a gas purity maintainer. The gas purity maintainer includes an expansion tank, a first mist collecting section, a valve unit, a drain pot, and an instrument panel. The first mist collecting section is provided in the middle of a scavenging pipe extending from the expansion tank to discharge a coolant gas from the expansion tank. A downstream in the first mist collecting section is higher than an upstream.

Abstract translation: 根据一个实施例，发电机包括转子，定子，框架，轴封装置和气体纯度维持器。 气体纯度维持器包括膨胀罐，第一雾收集部，阀单元，排水罐和仪表板。 第一雾收集部设置在从膨胀箱延伸的清扫管的中间，以从膨胀罐排出冷却剂气体。 第一雾收集部中的下游高于上游。

公开(公告)号：US20130113310A1

公开(公告)日：2013-05-09

申请号：US13811247

申请日：2011-09-26

Applicant: Ning Xu

Inventor： Ning Xu

IPC: H02K9/04

CPC classification number: H02K9/04 ,  B02C18/0007 ,  B02C18/16 ,  B02C2018/0046 ,  H02K5/20 ,  H02K7/116 ,  H02K7/14 ,  H02K9/26

Abstract: Provided is a paper shredder comprising a housing (6) and a paper shredder head (4), wherein a transmission mechanism (5) and a motor are provided in the paper shredder head (4); the motor comprises a motor body (1), the motor body (1) having an output shaft (12) and a motor housing (11) sleeve connected on the output shaft (12); the motor housing (11) is provided with a heat dissipation device, the heat dissipation device comprising an air intake device (2) and an air output device (3); the air intake device (2) has a cold air inlet and the air output device (3) has a hot air outlet; the air intake device (2) is provided on one side of the output shaft (12) and the air output device (3) is provided on the other side of the output shaft (12); at the position where the air intake device (2) is provided on the motor housing (11) there is an air intake hole (13) opened correspondingly to communicate with an inner chamber of the motor housing (11), and at the position where the air output device (3) is provided on the motor housing (11) there is an air output hole (14) opened correspondingly to communicate with the inner chamber of the motor housing (11), such that a relatively isolated and independent heat dissipating air channel is formed internally from the cold air inlet, via the inner chamber of the motor housing (11), to the hot air outlet.

Abstract translation: 提供了一种包括壳体（6）和碎纸头（4）的碎纸机，其中传动机构（5）和马达设置在碎纸机头（4）中; 所述马达包括马达主体（1），所述马达主体（1）具有输出轴（12）和连接在输出轴（12）上的马达壳体11）。 电动机壳体（11）设置有散热装置，散热装置包括进气装置（2）和空气输出装置（3）; 进气装置（2）具有冷空气入口，空气输出装置（3）具有热空气出口; 进气装置（2）设置在输出轴（12）的一侧，空气输出装置（3）设置在输出轴（12）的另一侧。 在进气装置（2）设置在电动机壳体（11）上的位置处，具有对应于与电动机壳体（11）的内部室连通的吸气孔（13），并且位于 空气输出装置（3）设置在电动机壳体（11）上，具有对应于与电动机壳体（11）的内室连通的空气输出孔（14），使得相对隔离且独立的散热 空气通道从冷空气入口内部经由马达壳体（11）的内腔形成到热空气出口。

公开(公告)号：US20130069456A1

公开(公告)日：2013-03-21

申请号：US13635400

申请日：2011-06-06

Applicant: Yasuhiko Matsuki ,  Masanori Minagawa

Inventor： Yasuhiko Matsuki ,  Masanori Minagawa

IPC: H02K9/24

CPC classification number: H02K9/26 ,  H02K1/32 ,  H02K5/20 ,  H02K9/19

Abstract: A cooling circuit for an electric motor for a construction machine includes a circulation line that includes a shaft-side line disposed in a rotor shaft of the electric motor, a pump that supplies cooling fluid to the circulation line, a first filter disposed between the pump and the shaft-side line in the circulation line, a first bypass line that bypasses the first filter so as to connect an upstream side and a downstream side of the first filter, and a first relief valve disposed in the first bypass line.

Abstract translation: 用于建筑机械的电动机的冷却回路包括循环管线，其包括设置在电动机的转子轴中的轴侧线，向循环管线供应冷却流体的泵，设置在泵 和循环管路中的轴侧管路，绕过第一过滤器以连接第一过滤器的上游侧和下游侧的第一旁通管路和设置在第一旁通管路中的第一溢流阀。