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1. 发明公开

US20240333101A1 METHOD FOR CONTROLLING THE TEMPERATURE OF AN ELECTRIC MOTOR, AND FLUID SUPPLY DEVICE 审中-公开
公开(公告)号：US20240333101A1
公开(公告)日：2024-10-03
申请号：US18576428
申请日：2022-07-04
申请人： Schaeffler Technologies AG & Co. KG
发明人： Jonas Kniel , Matthias Bauer , Denis Loktev , Michael Heilmann , Bhanu Seth
IPC分类号： H02K9/193 , G05D23/19 , H02K9/24 , H02K11/30
CPC分类号： H02K9/193 , G05D23/1923 , H02K9/24 , H02K11/30
摘要： A method for controlling a temperature of an electric motor in a vehicle drive train via a fluid supply device having a closed fluid circuit with a fluid pump for conveying a fluid flow, which is to be supplied to the electric motor and which in the process alters its operating temperature. The method comprising comparing one actual value of a safety characteristic value of the electric motor to a predetermined limit value of the safety characteristic value. The method further comprising controlling the fluid flow by switching the fluid supply device between a first operating state and a second operating state at least according to the comparison. In the first operating state, the fluid flow is adjusted according to a predetermined operating characteristic value of the electric motor. In the second operating state, the fluid flow is adjusted so as to be higher than in the first operating state.

2. 发明授权

US11025134B2 Motor and ducted fan having heat radiation portions for cooling magnets 有权
公开(公告)号：US11025134B2
公开(公告)日：2021-06-01
申请号：US16516396
申请日：2019-07-19
申请人： HONDA MOTOR CO., LTD.
发明人： Andrii Pydin
IPC分类号： H02K9/06 , H02K1/27 , H02K15/03 , H02K21/12 , H02K9/02 , H02K9/24 , H02K9/04 , H02K9/22
摘要： A motor includes: a rotor core which rotates about an axis; a plurality of magnets which extend in an axial direction of the axis inside the rotor core and are disposed in a circumferential direction; a shaft body which is disposed coaxially with the rotor core and has a hollow portion through which a fluid is able to pass from a first side to a second side in the axial direction; and a plurality of heat radiation portions which are disposed along the magnet in the circumferential direction and have a planar portion disposed to be parallel to a side surface of the magnet facing a radial direction, wherein the heat radiation portion extends to be closer to the second side than a second side core end surface located on the second side in the axial direction of the rotor core.

3. 发明授权

US10855145B2 Track-bound vehicle electric machine 有权
公开(公告)号：US10855145B2
公开(公告)日：2020-12-01
申请号：US16099365
申请日：2017-04-19
申请人： Bombardier Transportation GmbH
发明人： Svante Andersson
IPC分类号： H02K9/24 , H02K5/20 , H02K9/06 , H02K11/26 , B60L13/03 , B61C3/00 , H02K5/22 , H02K7/00
摘要： An electric machine with a rotor (4) rotatably disposed within a stator (1) with a stator winding (3) has a plurality of permanent magnets (8) received therein. A casing (17) encloses the stator and the rotor, and an impeller (13) with blades is fixed to an axle (7) of the rotor so as to generate a flow of air through the casing for cooling end-turns (25) of the stator winding by drawing air through an inlet opening (18) at one end of the casing and blowing it out of the casing through an outlet opening (19) at the other end of the casing. At least one shutter is arranged to close the outlet opening (19) when the temperature of the cooling air through the outlet opening reaches a predetermined level well above a maximum level of the temperature possible to be reached under normal operation of the electric machine so as to close the outlet opening upon occurrence of arcing in the end-turns. A temperature dependent member is arranged in the air flow through the outlet opening to obtain such closing.

4. 发明授权

US10790727B2 Cooling apparatus for rotating electrical machine 有权
公开(公告)号：US10790727B2
公开(公告)日：2020-09-29
申请号：US16175043
申请日：2018-10-30
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA
发明人： Hiroshi Inano , Shigeru Kimura
IPC分类号： H02K9/24 , H02K9/19 , H02K7/00 , H02K11/25 , H02K1/32 , F16H57/04 , B60K6/36
摘要： A cooling apparatus includes: an intra-axle coolant supply unit supplying coolant into a rotation shaft of a rotating electrical machine; a coolant discharge unit pouring coolant onto the rotating electrical machine, wherein the coolant is conducted in a predetermined distribution ratio to the intra-axle coolant supply unit and the coolant discharge unit; a flow rate adjustment device capable of adjusting a supply flow rate of the coolant; and a control device functioning as: a determination device determining overheating of the rotating electrical machine caused by deviating allocation of the coolant to the intra-axle coolant supply unit in an increase direction as compared to the predetermined distribution ratio; and a recovery device controlling the flow rate adjustment device to implement a recovery operation in which the supply flow rate is decreased and then elevated, when the determination device has determined that the overheating of the rotating electrical machine is occurring.

5. 发明授权

US10429370B2 Dynamoelectric machine sealing oil monitoring system, computer program product and related methods 有权
公开(公告)号：US10429370B2
公开(公告)日：2019-10-01
申请号：US15596543
申请日：2017-05-16
申请人： General Electric Company
发明人： Hua Zhang , Jan Terry Stover
IPC分类号： G01N33/28 , G08B21/18 , H02K9/24 , G08B25/10 , G01F1/00
摘要： Various embodiments of the disclosure include a system having: a computing device configured to monitor a sealing oil from a dynamoelectric machine by performing actions including: establish a baseline flow rate for the sealing oil through the dynamoelectric machine for designed operating conditions; calculate a plurality of average flow rates for the sealing oil through the dynamoelectric machine from a set of measured flow rates in each of a plurality of successive designated periods; provide an alert suggesting action in response to at least one of the average flow rates deviating from a threshold flow rate, the threshold flow rate derived from the baseline flow rate to indicate a fault in the sealing oil; and calculate an expected sealing life for the sealing oil based upon a pattern in the plurality of average flow rates for the plurality of successive designated periods.

6. 发明申请

US20180335416A1 DYNAMOELECTRIC MACHINE SEALING OIL MONITORING SYSTEM, COMPUTER PROGRAM PRODUCT AND RELATED METHODS 审中-公开
公开(公告)号：US20180335416A1
公开(公告)日：2018-11-22
申请号：US15596543
申请日：2017-05-16
申请人： General Electric Company
发明人： Hua Zhang , Jan Terry Stover
IPC分类号： G01N33/28 , G01F1/00 , G08B21/18 , H02K9/24
CPC分类号： G01N33/28 , G01F1/00 , G08B21/182 , G08B25/10 , H02K9/24
摘要： Various embodiments of the disclosure include a system having: a computing device configured to monitor a sealing oil from a dynamoelectric machine by performing actions including: establish a baseline flow rate for the sealing oil through the dynamoelectric machine for designed operating conditions; calculate a plurality of average flow rates for the sealing oil through the dynamoelectric machine from a set of measured flow rates in each of a plurality of successive designated periods; provide an alert suggesting action in response to at least one of the average flow rates deviating from a threshold flow rate, the threshold flow rate derived from the baseline flow rate to indicate a fault in the sealing oil; and calculate an expected sealing life for the sealing oil based upon a pattern in the plurality of average flow rates for the plurality of successive designated periods.

7. 发明授权

US09784380B2 Valve assembly for variable frequency generator and method of sealing 有权
公开(公告)号：US09784380B2
公开(公告)日：2017-10-10
申请号：US14880802
申请日：2015-10-12
申请人： Hamilton Sundstrand Corporation
发明人： Glenn C. Lemmers, Jr.
IPC分类号： F16K24/04 , F16K17/02 , H02K9/24
CPC分类号： F16K24/04 , F16K17/02 , H02K9/24 , H02K2205/09
摘要： A valve assembly for a variable frequency generator includes an input shaft extending about a longitudinal axis and having a bore defined therein. Also included is a disconnect shaft extending about the longitudinal axis and disposed in abutment with the input shaft. Further included is an oil restrictor disposed with the bore of the input shaft. Yet further included is a vent valve disposed within the bore and in abutment with the oil restrictor, the vent valve comprising an angled wall, the angled wall partially defining an annulus. Also included is a plurality of ball bearings disposed within the annulus, the plurality of ball bearings sliding radially outwardly away from the longitudinal axis during rotational operation of the input shaft to apply a force on the angled wall of the vent valve to bias the vent valve axially into a sealed condition.

8. 发明授权

US6086333A Process and device for quickly reducing pressure in an installation, in particular a hydrogen-cooled generator 失效
标题翻译：用于快速降低安装中的压力的工艺和装置，特别是氢冷发电机
公开(公告)号：US6086333A
公开(公告)日：2000-07-11
申请号：US48
申请日：1998-01-23
申请人： Joachim Krutzfeldt , Rudolf Von Musil
发明人： Joachim Krutzfeldt , Rudolf Von Musil
IPC分类号： H02K9/08 , H02K9/24 , F04F5/48 , F04B23/08
CPC分类号： H02K9/24
摘要： A method and device for quick pressure relief in a hydrogen-cooled generator system. The hydrogen-cooled generator system at least includes a first and second housing part and a hydrogen seal that separates the first housing part from the interior of the second housing part. In the normal state, the first housing part contains a hydrogen atmosphere at overpressure that is separated from the interior of the second housing part by the hydrogen seal. The quick pressure relief method includes the steps of lowering the pressure of the overpressure hydrogen in the first housing part through a quick discharge line upon failure of the hydrogen seal, and exhausting gas from the interior of the second housing part through a bleed line that is connected to the quick discharge line. The quick pressure relief device includes a quick discharge line for relieving pressure from the first housing part upon a failure of the hydrogen seal, and a bleed line fluidically connected to the quick discharge line and to the interior of the second housing part.
摘要翻译： PCT No.PCT / DE96 / 01284第 371日期1998年1月23日 102（e）日期1998年1月23日PCT提交1996年7月15日PCT公布。出版物WO97 / 05686 日期1997年2月13日在冷却发电机系统中快速释压的方法和装置。氢冷却发电机系统至少包括第一和第二壳体部分和将第一壳体部分与第二壳体部分的内部分离的氢气密封件。在正常状态下，第一壳体部分包含超压的氢气氛，其通过氢气密封与第二壳体部分的内部分离。快速压力释放方法包括以下步骤：在氢气密封失效时通过快速排出管线降低第一壳体部分中的超压氢气的压力，并且通过排放管线从第二壳体部件的内部排出气体，连接到快速放电线。快速卸压装置包括用于在氢气密封故障时从第一壳体部分释放压力的快速排放管线和与流体连接到快速排放管线和第二壳体部分内部的排出管线。

9. 发明授权

US6076568A Method for inerting a generator in a power station 有权
标题翻译：在发电站中使发电机无效的方法
公开(公告)号：US6076568A
公开(公告)日：2000-06-20
申请号：US268272
申请日：1999-03-15
申请人： Helmut Rehm , Klaus Weller , Christoph Lehmann
发明人： Helmut Rehm , Klaus Weller , Christoph Lehmann
IPC分类号： H02K9/24 , B65B1/04
CPC分类号： H02K9/24
摘要： A method for inerting a generator in a power station includes flushing the generator in a rapid manner which is favorable in terms of power consumption and is simplified in terms of process technology. Cooling gas which is present in the working state for cooling in the generator is displaced through the use of an inert gas stored in gaseous form, in particular argon. A phase transition from, for example, a liquid to a gaseous inert gas, which prolongs the inerting operation and consumes large amounts of power, can thus be dispensed with. The supply of inert gas can easily be monitored by pressure measurement.
摘要翻译：一种用于在发电站中使发电机无效的方法包括以快速方式冲洗发电机，这在功率消耗方面是有利的，并且在工艺技术方面被简化。存在于发电机中用于冷却的工作状态的冷却气体通过使用以气态形式，特别是氩气储存的惰性气体而被移位。因此，可以省略从例如液体到惰性气体的相变，其延长惰化操作并消耗大量的功率。通过压力测量可以方便地监测惰性气体的供应。

10. 发明授权

US5418412A Drive disconnect for oil-cooled electrical generator 失效
标题翻译：油冷发电机驱动断开
公开(公告)号：US5418412A
公开(公告)日：1995-05-23
申请号：US196702
申请日：1994-02-15
申请人： Stephen F. Brucker
发明人： Stephen F. Brucker
IPC分类号： H02K7/00 , H02K9/19 , H02K9/24 , H02K7/10 , H02K23/68
CPC分类号： H02K9/24 , H02K7/003 , H02K9/19
摘要： An electric generator of the type that is oil-cooled and generally used in aircraft includes a fluid brake assembly. The fluid brake assembly includes a fluid brake rotor which is generally in the form of a fan or impeller which is connected to the drive shaft of the generator. Under normal conditions with the cooling oil withdrawn from the housing of the generator by the scavenge system, the fluid brake rotor freely turns with the shaft. When the oil scavenge system becomes incapacitated, the generator becomes "flooded" and the fluid brake rotor acts as pump to try to pump the oil, creating a torque load on the drive shaft. This load is preferably greater than the shear strength of the shaft, causing the shaft to shear and disconnecting the generator from the aircraft engine. By shearing the drive shaft, the operation of the main engine is unaffected by the flooding of the generator, and serious failure of the aircraft engine is avoided.
摘要翻译：通常用于飞机的油冷却型发电机包括流体制动组件。流体制动组件包括流体制动转子，其通常为与发电机的驱动轴连接的风扇或叶轮的形式。在正常条件下，通过清扫系统从发电机壳体中抽出的冷却油，流体制动转子与轴自由转动。当油清除系统变得无法实现时，发电机变得“淹没”，并且流体制动转子作为泵来试图泵送油，从而在驱动轴上产生转矩负载。该负载优选地大于轴的剪切强度，导致轴剪切并将发电机与飞机发动机断开连接。通过剪切驱动轴，主发动机的操作不受发电机的溢流的影响，并且避免了飞机发动机的严重故障。

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