The present invention provides a vehicle motor drive apparatus capable of effectively cooling and lubricating a motor and a speed reducer, and a method of cooling and lubricating the same. According to the present invention, the vehicle motor drive apparatus comprises: a housing having an oil storage space in which oil is stored; a motor mounted in the housing and having a shaft; a speed reducer mounted in the housing and reducing a rotation speed of the motor; a differential gear mounted in the hosing and distributing power outputted from the speed reducer into wheels at both right and left sides; a first oil supply unit having an oil pump pumping the oil from the oil storage space of the housing to the motor and the speed reducer; a second oil supply unit having a plurality of guide members extending from a ring gear of the differential gear to the shaft side of the motor; and a control unit controlling drive of the oil pump in accordance with a temperature of a coil of the motor.
본 발명에 의한 차량용 모터 구동장치는, 오일이 저장되는 오일 저장공간을 가진 하우징; 상기 하우징의 내부에 장착되고, 샤프트를 가진 모터; 상기 하우징의 내부에 장착되고, 상기 모터의 회전속도를 감속하는 감속기; 상기 하우징의 내부에 장착되고, 상기 감속기에서 출력된 동력을 차량의 좌우 양측의 휠로 분배하는 차동장치; 상기 하우징의 오일 저장공간으로부터 상기 모터 및 상기 감속기 측으로 오일을 펌핑하는 오일펌프를 가진 제1오일공급유닛; 상기 차동장치의 링기어로부터 상기 모터의 샤프트 측으로 연장된 복수의 가이드부재를 가진 제2오일공급유닛; 및 상기 모터의 코일의 온도에 따라 상기 오일펌프의 구동을 제어하는 제어부;를 포함할 수 있다.
VEHICLE MOTOR DRIVE APPARATUS AND METHOD OF COOLING AND LUBRICATING THE SAME
차량용 모터 구동장치 및 그의 냉각 및 윤활방법
2019-06-18
Patent
Elektronische Ressource
Koreanisch
IPC: | H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern |
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