To provide a lubrication structure for a hybrid vehicle driving device, capable of reliably lubricating a speed reduction mechanism even when the speed reduction mechanism is installed above a transmission mechanism, thus improving the reliability of the speed reduction mechanism.SOLUTION: A transmission case 5 of a driving device 4 includes cylindrical bearing holding parts 27C, 27D, 29D, 29E formed with oil distribution spaces 53A-53D in which oil is distributed, and rotatably supporting an input shaft 34 and a first intermediate shaft 35 via ball bearings 51A, 51B, 51D and a needle bearing 51C, an oil pipe 48 for supplying the oil to the upper part of a speed reduction mechanism 33, and a recessed part 29M provided between the bearing holding part 29D and the bearing holding part 29E in the vertical direction and circularly extending along the outer shape of the bearing holding part 29D, the recessed part 29M and the bearing holding part 29E being installed side by side in the vertical direction.SELECTED DRAWING: Figure 6
【課題】減速機構が変速機構に対して上方に設置された場合であっても、減速機構を確実に潤滑でき、減速機構の信頼性を向上できるハイブリッド車両用駆動装置の潤滑構造を提供すること。【解決手段】駆動装置4の変速機ケース5は、内部にオイルが流通するオイル流通空間53Aからオイル流通空間53Dが形成され、入力軸34と第1の中間軸35をボールベアリング51A、51B、51Dおよびニードルベアリング51Cを介して回転自在に支持する筒状の軸受保持部27C、27D、29D、29Eと、減速機構33の上部にオイルを供給するオイルパイプ48と、上下方向で軸受保持部29Dと軸受保持部29Eの間に設けられ、軸受保持部29Dの外形形状に沿って円弧状に延びる凹部29Mとを有し、凹部29Mと軸受保持部29Eは、上下方向に並んで設置されている。【選択図】図6
LUBRICATION STRUCTURE FOR HYBRID VEHICLE DRIVING DEVICE
ハイブリッド車両用駆動装置の潤滑構造
2020-07-27
Patent
Elektronische Ressource
Japanisch
LUBRICATION STRUCTURE FOR HYBRID VEHICLE DRIVING DEVICE
Europäisches Patentamt | 2020
|LUBRICATION STRUCTURE FOR HYBRID VEHICLE DRIVING DEVICE
Europäisches Patentamt | 2020
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