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公开(公告)号：US12011986B2
公开(公告)日：2024-06-18
申请号：US17889659
申请日：2022-08-17
Applicant: Liebherr-Werk Bischofshofen GmbH
Inventor： Hans Knapp , Hendrik Richter , Christoph Kiegerl , Reinhard Windhofer , Johannes Hofbauer
Abstract: The present invention relates to a work machine, in particular a wheeled loader, having an electric motor and having oil cooling that is suitable and intended to cool the electric motor and having a driving axle that has an oil reservoir, wherein a feed line from said oil reservoir to the electric motor and a discharge line from the electric motor to said oil reservoir are present and a pump is present to pump oil from the oil reservoir to the electric motor so that the electric motor is cooled by means of oil from the oil reservoir of the driving axle.
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2.发明授权公开(公告)号：US12005784B2
公开(公告)日：2024-06-11
申请号：US17221830
申请日：2021-04-04
Applicant: TSINGHUA UNIVERSITY
Inventor： Jian-Qiu Li , Jia-Yi Hu , Bing-Kun Cai , Hang Li , Liang-Fei Xu , Ming-Gao Ouyang
IPC: B60B11/06 , B60B1/06 , B60B35/16 , B60K6/365 , B60K7/00 , B60K17/04 , B60T1/06 , F16D51/22 , F16D65/28 , F16D65/827 , F16H1/28 , F16H57/04 , H02K5/20 , H02K7/00 , H02K7/08 , H02K7/102 , H02K7/116 , H02K9/19 , H02K9/26 , H02K11/21 , H02K24/00 , F16D65/78
CPC classification number: B60K7/0007 , B60B1/06 , B60B11/06 , B60B35/163 , B60K17/046 , B60T1/067 , F16D51/22 , F16D65/827 , F16H1/28 , F16H57/046 , F16H57/0471 , F16H57/0476 , F16H57/0486 , H02K5/203 , H02K7/006 , H02K7/083 , H02K7/102 , H02K7/116 , H02K9/19 , H02K9/26 , H02K11/21 , H02K24/00 , B60K2007/0038 , B60K2007/0092 , F16D2065/789
Abstract: Disclosed are an electric wheel assembly applicable for a parallelly mounted dual-tire wheel, an axle, and a vehicle. The electric wheel assembly includes a wheel and support axle assembly, an internal-rotor hub motor, a planetary gear reducer and a brake system. A planetary carrier is connected to a hub. The hub is connected to a spoke and a rim. The wheel support axle passes through a rotor sleeve and is provided with a hub bearing to support the hub and a whole wheel. A sun gear disposed at an end of the rotor sleeve of the internal-rotor hub motor is a power input of the planetary gear speed reducer, and the planetary carrier is a power output. A planetary gear of the planetary gear reducer is a tower-shaped gear and realizes a relatively high transmission ratio under a condition that an axial length is relatively small.
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3.发明公开公开(公告)号：US20240186866A1
公开(公告)日：2024-06-06
申请号：US18520631
申请日：2023-11-28
Applicant: Dr. Ing. h.c. F. Porsche Aktiengesellschaft
Inventor： Simon KUEBLER , Stefan OECHSLEN , Thomas LENZ
Abstract: A machine cooling circuit of an electric machine of a motor vehicle, including a coolant adapted to flow through the machine cooling circuit and a compensating reservoir, which separates air included in the coolant. The electric machine is a directly cooled electric machine, which is accommodated in the machine cooling circuit such that the coolant flows through it.
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公开(公告)号：US20240154500A1
公开(公告)日：2024-05-09
申请号：US18280224
申请日：2022-02-28
Inventor： Il Seouk Park
Abstract: A motor includes a stator in which a coil is wound and which forms a magnetic field by a current flowing through the coil; a rotor which is surrounded by the stator and is rotated by the magnetic field; and a heat pipe which is inserted into the rotor, wherein the heat pipe is formed to protrude at one end thereof out of the rotor, and cools the rotor by causing heat exchange between the rotor and the outside through one end thereof. In addition, a motor cooling system includes a motor in which a cooling fluid circulating therethrough is accommodated; a filter which filters the cooling fluid having passed through the motor; and a cooler which cools the cooling fluid having absorbed heat from the motor, wherein the cooling fluid cooled by the cooler is introduced into and cools the motor again.
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公开(公告)号：US20240146154A1
公开(公告)日：2024-05-02
申请号：US18052106
申请日：2022-11-02
Applicant: Dana Belgium N.V.
Inventor： Steven VANHEE , Joachim DRUANT
Abstract: Systems and methods for electric machine cooling. The electric machine, in one example, includes a rotor that includes an outer circumferential surface with one or more spiral grooves, a stator that circumferentially surrounds the rotor and includes end windings, and an air passage radially extending from the stator to an air gap between the stator and the rotor. The electric machine further includes a cooling assembly configured to spray a coolant towards the end windings.
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Patent Agency Ranking
公开(公告)号：US11843309B2
公开(公告)日：2023-12-12
申请号：US17470103
申请日：2021-09-09
Applicant: HYUNDAI MOTOR COMPANY , KIA CORPORATION
Inventor： Shin Jong Kim , Jong Hyun Kim
Abstract: An oil recovery structure for cooling a motor includes a rotor connected to a rotary shaft, a stator disposed on the rotor, a housing surrounding the rotor and the stator, and an oil housing disposed on the housing, in which the oil housing includes a first inlet through which the oil is introduced from a space defined on one side of the rotor, a second inlet through which the oil is introduced from a reducer connected to the rotary shaft, and a discharging port discharging the oil inside the oil housing to an oil filter.
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公开(公告)号：US11539261B2
公开(公告)日：2022-12-27
申请号：US16999117
申请日：2020-08-21
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Kazutaka Aoki , Kentaro Haruno
IPC: F16K15/02 , H02K5/20 , H02K5/10 , H02K9/04 , H02K9/26 , F16K24/00 , F16K24/02 , F16K24/04 , F16K24/06
Abstract: A breather device includes an intake path configured to communicate between an interior space of a target case and an exterior space, an exhaust path configured to communicate between the interior space and the exterior space and at least partially separated from the intake path, an intake valve inserted in the intake path and configured to allow outside air to flow into the interior space only when an internal pressure Pi is lower, at least by a fixed extent, than an external pressure Po, and an exhaust valve inserted in the exhaust path and configured to allow gas within the interior space to flow toward the exterior space only when the internal pressure Pi is higher, at least by a fixed extent, than the external pressure Po, and a water stop filter disposed downstream of the intake valve in an intake air flowing direction in the intake path.
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公开(公告)号：US11434763B2
公开(公告)日：2022-09-06
申请号：US16861063
申请日：2020-04-28
Applicant: Typhon Technology Solutions, LLC
Inventor： Jeffrey G. Morris , Brett Vann
IPC: F01B23/10 , H02K5/20 , H02K7/116 , H02K7/18 , H02K9/26 , F01B27/00 , F02C7/36 , B01D46/00 , F02M35/024
Abstract: An apparatus for providing mobile electric power includes a power generation transport. The power generation transport includes an air inlet filter housing, an inlet plenum coupled to the air inlet filter housing, an exhaust collector, an exhaust implement coupled to the exhaust collector, a gas turbine, a generator driven by the gas turbine, and an elevating system configured to elevate the exhaust implement to convert the power generation transport to an operational mode, and lower the exhaust implement back down to convert the power generation transport to a transportation mode. The elevating system performs the elevating and the lowering without utilizing any external mechanical apparatus. The air inlet filter housing, the inlet plenum, the exhaust collector, the exhaust implement, the gas turbine, the generator, and the elevating system are mounted on the power generation transport.
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9.发明授权公开(公告)号：US11273925B1
公开(公告)日：2022-03-15
申请号：US17070006
申请日：2020-10-14
Applicant: Rolls-Royce North American Technologies Inc.
Inventor： Paul O'Meallie , Daniel G. Edwards , Douglas J. Snyder
IPC: F28D15/02 , F28D15/06 , B64D33/08 , F02C6/20 , F02C7/12 , H02K9/20 , H02K9/26 , H02K11/25 , H02K11/33 , B64D27/24 , B64D27/02
Abstract: A method for cooling a hybrid electric aircraft propulsion system comprises transporting a coolant through a two-phase pumped loop (TPPL) in thermal contact with an electrical machine and a plurality of power modules to be cooled, where the TPPL includes: a parallel arrangement of cold plates; an evaporator; a condenser; a first control valve; a liquid receiver; and a pump. A sensor positioned upstream of the cold plates, and in some cases upstream of the liquid receiver, measures pressure and/or temperature of a return stream of the coolant and transmits measurement data to a first controller electrically connected to the first control valve. The first controller regulates flow of a first liquid stream through the first control valve based on the pressure and/or temperature measured by the sensor, thereby keeping the return stream at a temperature within a predetermined temperature range.
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公开(公告)号：US20200003187A1
公开(公告)日：2020-01-02
申请号：US16337772
申请日：2017-09-15
Applicant: SIEMENS AKTIENGESELLSCHAFT
Inventor： PETER HESSELLUND SOERENSEN
Abstract: Cooling a wind turbine generator It is described an arrangement (100, 200) for cooling a generator mounted in a nacelle of a wind turbine, the arrangement comprising: a cooling air inlet (105) at an outer wall (1β7) of the nacelle (103) for introducing cooling air (109) into a space region (111) inside the nacelle; an inlet fan (113) downstream the cooling air inlet (105) configured to pressurize the introduced cooling air within the space region (111); a filter system (115) downstream the inlet fan (113) and separating the space region (111) from another space region (117) inside the nacelle (103), the other space (117) region being in communication with generator portions (119) to be cooled; a duct system (129) adapted to guide a portion (130) of cooling air (132) heated by exchange of heat from the generator portions to the cooling air into the space region (111).
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