PROBLEM TO BE SOLVED: To provide a vehicular motor drive unit that can appropriately make an allocation to lubricating oil amount supplied to a motor portion and lubricating oil amount supplied to a deceleration portion in accordance with the operating state by using a simple configuration.SOLUTION: A lubricating oil circuit of a vehicular motor drive unit (21) includes: an oil tank (53); supply oil passages (71, 57) extended from the oil tank to a motor portion (A) and a deceleration portion (B); a regulating valve (72) provided in the supply oil passage (71) to regulate lubricating oil amount supplied to the motor portion; recovery oil passages (65, 66) extended from the motor portion and the deceleration portion to the oil tank; and an operating portion (77) deformed in accordance with a temperature and provided in the motor portion to operate the regulating valve.SELECTED DRAWING: Figure 1
【課題】簡易な構成により、モータ部に供給する潤滑油量と減速部に供給する潤滑油量を運転状態に応じて適切に配分する車両用モータ駆動装置を提供する。【解決手段】車両用モータ駆動装置(21)の潤滑油回路は、オイルタンク(53)と、オイルタンクからモータ部(A)および減速部(B)まで延びる供給油路(71,57)と、供給油路(71)に設けられてモータ部へ供給される潤滑油量を調整する調整弁(72)と、モータ部および減速部からオイルタンクまで延びる回収油路(65,66)と、温度に応じて変形しモータ部に設けられて調整弁を動作させる動作部(77)を有する。【選択図】図1
VEHICULAR MOTOR DRIVE UNIT
車両用モータ駆動装置
2017-03-30
Patent
Electronic Resource
Japanese