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1. 发明公开

EP3763947A1 MOTOR FAN AND MANUFACTURING METHOD THEREOF 审中-实审
公开(公告)号：EP3763947A1
公开(公告)日：2021-01-13
申请号：EP20162067.1
申请日：2020-03-10
申请人： LG Electronics Inc.
发明人： CHOI, Joongkeun , LEE, Jeongho , YANG, Giyeob , CHO, Seongho
IPC分类号： F04D29/44 , F04D25/08 , F04D29/62
摘要： Disclosed is a fan motor. The present disclosure provides a fan motor including a motor housing receiving a motor therein, a motor bracket disposed on the motor housing, an impeller coupled to a shaft of the motor, and a diffuser disposed between the motor and the impeller and having a vane body, an axial flow vane provided to an inner circumference of the vane body, and a diagonal flow vane provided above the axial flow vane.

2. 发明公开

EP3618240A1 FAN MOTOR AND MANUFACTURING METHOD THEREFOR 有权
公开(公告)号：EP3618240A1
公开(公告)日：2020-03-04
申请号：EP18790307.5
申请日：2018-04-19
申请人： LG Electronics Inc.
发明人： KIM, Taekyung , BAEK, Seungjo , SONG, Sungbae , LEE, Jeongho , JUNG, Younggyu , CHO, Seongho
IPC分类号： H02K7/14 , A47L9/22 , F01P11/10
摘要： A fan motor according to an embodiment includes a motor housing; a rotating shaft; a rotor mounted on the rotating shaft; a stator disposed within the motor housing to surround the rotor; an impeller having at least one blade formed on an outer surface of a hub connected to the rotating shaft; an impeller cover configured to surround an outer circumference of the impeller and having an air suction inlet formed therein, wherein the impeller cover includes a shroud with an inner diameter expands in an air flow direction; and a non-metallic coating layer coated on an inner circumferential surface of the shroud and having a lower strength than that of the blade, the non-metallic coating layer includes a first area having a first thickness; a second area having a second thickness thinner than the first thickness and having a stepped portion with the first area, thereby minimizing leakage flow caused by the pressure difference from a pressure-side surface to a suction-side surface of the blade to reduce flow path loss and improving efficiency of the fan motor.

3. 发明公开

EP3570417A1 FAN MOTOR 有权
公开(公告)号：EP3570417A1
公开(公告)日：2019-11-20
申请号：EP18739214.7
申请日：2018-01-16
申请人： LG Electronics Inc.
发明人： JUNG, Younggyu , BAEK, Seungjo , CHO, Seongho
IPC分类号： H02K9/06 , H02K7/14 , A47L5/22 , F16C37/00
摘要： The present embodiment comprises: a motor body having a space formed therein; a rotary shaft assembly having a rotor and a bearing mounted on the rotary shaft assembly having a rotor and a bearing mounted on a rotary shaft; a stator installed in a motor housing so as to surround the rotor; an impeller connected to the rotary shaft; and a bracket installed on the motor body and having a bearing housing portion for receiving the bearing, wherein the bearing housing portion has a bearing heat dissipating flow path through which air flowing by means of the impeller is exhausted to the outside of the bearing housing portion after passing between the outer surface of the bearing and the bearing housing portion. Thus, the air blown from the impeller can absorb heat of the bearing by being in direct contact with the outer surface of the bearing while passing through the bearing heat dissipating flow path, and there is an advantage in that better heat dissipating performance is achieved by the air through a heat sink surrounding the bearing.

4. 发明公开

EP2552858A2 METHOD FOR COATING OXIDATION PROTECTIVE LAYER FOR CARBON/CARBON COMPOSITE, CARBON HEATER, AND COOKER 有权转让
标题翻译：涂覆用于碳/碳复合材料，碳加热器和炊具的氧化保护层的方法
公开(公告)号：EP2552858A2
公开(公告)日：2013-02-06
申请号：EP11763062.4
申请日：2011-03-31
申请人： LG Electronics Inc.
发明人： LEE, Youngjun , YANG, Kabseung , YOON, Jeonghyun , KIM, Changhyo , KIM, Sooyeon , CHO, Seongho , KIM, Bohye
IPC分类号： C04B41/83 , H05B3/14 , F24C7/04
CPC分类号： B05D3/0209 , C04B35/6263 , C04B35/6264 , C04B35/6286 , C04B35/62863 , C04B35/62871 , C04B35/62886 , C04B35/62889 , C04B35/62892 , C04B35/63416 , C04B35/63444 , C04B35/83 , C04B41/009 , C04B41/5059 , C04B41/5061 , C04B41/5066 , C04B41/87 , C04B2235/5248 , C04B2235/528 , C04B2235/5445 , C04B2235/9684 , H05B3/03 , H05B3/145 , C04B41/0072 , C04B41/4517 , C04B41/4539
摘要： The present invention provides an oven range. In the present invention, a method for coating an oxidation protective layer for a carbon/carbon composite, comprising: dissolving a polymer resin in a solvent to form a solution of polymer resin; dispersing ceramic powders in the solution of polymer resin to form a mixed solution; coating the mixed solution on a carbon fiber; performing a first heat-treatment to treat the carbon fiber by heat in air; and performing a second heat-treatment to treat the carbon fiber by heat under an inert gas.
摘要翻译：本发明提供一种烤箱系列。在本发明中，用于涂覆碳/碳复合物的氧化保护层的方法包括：将聚合物树脂溶解在溶剂中以形成聚合物树脂的溶液; 将陶瓷粉末分散在聚合物树脂溶液中以形成混合溶液; 将混合溶液涂覆在碳纤维上; 进行第一热处理以通过在空气中热处理碳纤维; 并进行第二热处理以在惰性气体下通过加热来处理碳纤维。

5. 发明公开

EP4151118A1 HAIRDRYER 审中-实审
公开(公告)号：EP4151118A1
公开(公告)日：2023-03-22
申请号：EP21803731.5
申请日：2021-03-11
申请人： LG Electronics, Inc.
发明人： YANG, Giyeob , CHO, Seongho
IPC分类号： A45D20/12 , F04D29/52 , F04D29/54 , F04D29/32 , F04D29/38 , F04D29/66
摘要： The present disclosure relates to a hairdryer and, more specifically, to a hairdryer wherein a ratio between dimensions of fan unit components is appropriately changed to stabilize the flow of air introduced into a fan unit and suppress occurrence of turbulence so that internal flow efficiency can be increased and the noise can be decreased.

6. 发明公开

EP3979470A3 ELECTRIC MOTOR 审中-公开
公开(公告)号：EP3979470A3
公开(公告)日：2022-08-03
申请号：EP21194448.3
申请日：2021-09-02
申请人： LG Electronics Inc.
发明人： JUNG, Taeyong , LEE, Jeongho , CHOI, Joongkeun , CHO, Seongho
IPC分类号： H02K5/20 , H02K7/14 , H02K9/06 , H02K1/18 , H02K5/173 , H02K9/16
摘要： An electric motor includes an impeller, a stator assembly, a rotor assembly, an inner flow path, and a bypass flow path. The impeller creates a flow of air introduced into the housing. The stator assembly is accommodated inside the housing. The rotor assembly is rotatably mounted inside the stator assembly. The bypass flow path is defined between an inner side of the housing and an outer side of the stator assembly, allowing the air to bypass the stator assembly along the bypass flow path. This configuration may result in minimizing flow resistance and flow loss of the air passing through the inner flow path of the electric motor.

7. 发明公开

EP3763946A1 MOTOR FAN 审中-公开
公开(公告)号：EP3763946A1
公开(公告)日：2021-01-13
申请号：EP20162063.0
申请日：2020-03-10
申请人： LG Electronics Inc.
发明人： YANG, Giyeob , LEE, Jeongho , CHOI, Joongkeun , CHO, Seongho
IPC分类号： F04D29/44 , F04D29/62 , F04D25/08
摘要： Disclosed is a fan motor. The present disclosure provides a fan motor including a motor housing receiving a motor therein, an impeller coupled to a shaft of the motor, and a diffuser disposed between the motor and the impeller and having an axial flow vane and a diagonal flow vane.

8. 发明公开

EP4012187A1 FAN MOTOR 审中-实审
公开(公告)号：EP4012187A1
公开(公告)日：2022-06-15
申请号：EP21178666.0
申请日：2021-06-10
申请人： LG Electronics Inc.
发明人： CHOI, Joongkeun , LEE, Jeongho , JUNG, Taeyong , CHO, Seongho
IPC分类号： F04D17/06 , F04D25/06 , F04D25/08 , F04D29/44 , F04D29/58
摘要： The present disclosure relates to a fan motor that includes a housing, a housing, a stator assembly installed inside the housing, a rotor assembly rotatably mounted inside the stator assembly, an impeller configured to generate a flow of air by receiving power from the rotor assembly, a first housing cover installed on one side of the housing and provided therein with a first bearing, a second housing cover installed on another side of the housing and provided therein with a second bearing, and a vane installed at a lower portion of the second housing cover to guide flowing of air introduced from the second housing cover. The impeller is configured as a diagonal flow type and the second housing cover is configured as an axial flow type, allowing the impeller and the second housing cover to be arranged vertically.

9. 发明公开

EP3979470A2 ELECTRIC MOTOR 审中-公开
公开(公告)号：EP3979470A2
公开(公告)日：2022-04-06
申请号：EP21194448.3
申请日：2021-09-02
申请人： LG Electronics Inc.
发明人： JUNG, Taeyong , LEE, Jeongho , CHOI, Joongkeun , CHO, Seongho
IPC分类号： H02K5/20 , H02K7/14 , H02K9/06 , H02K1/18 , H02K5/173 , H02K9/16
摘要： An electric motor includes an impeller, a stator assembly, a rotor assembly, an inner flow path, and a bypass flow path. The impeller creates a flow of air introduced into the housing. The stator assembly is accommodated inside the housing. The rotor assembly is rotatably mounted inside the stator assembly. The bypass flow path is defined between an inner side of the housing and an outer side of the stator assembly, allowing the air to bypass the stator assembly along the bypass flow path. This configuration may result in minimizing flow resistance and flow loss of the air passing through the inner flow path of the electric motor.

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