To increase the supply of a lubricant to a bearing of an electric motor in which a lubricant quantity is liable to be lowered during the traveling of a vehicle by the electric motor in which an internal combustion engine has been stopped, in a lubrication device of a power transmission device for the vehicle for supplying the lubricant to a gear mechanism accommodated in a gear chamber from a mechanical oil pump which is driven accompanied by the traveling of the vehicle, and supplying the lubricant to the electric motor accommodated in a motor chamber from the other mechanical oil pump which is driven by the internal combustion engine.SOLUTION: A case oil hole 44 which is formed by elongating a case opening 44 formed at a bulkhead 48 of a case 14 for partitioning a gear chamber 70 and a motor chamber 72 up to the motor chamber 72 side is formed at the case 14, and a lubricant is supplied even to an LH-bearing 42 of a first motor generator MG1 from a first oil pump P1 for supplying the lubricant to a gear mechanism 16 even in EV-traveling, thus eliminating the lowering of a lubricant amount.SELECTED DRAWING: Figure 9
【課題】車両の走行にともなって駆動される機械式オイルポンプからギヤ室に収納されるギヤ機構に潤滑油を供給し、内燃機関によって駆動される他の機械式オイルポンプからモータ室に収納される電動機に潤滑油を供給する、車両用動力伝達装置の潤滑装置において、前記内燃機関を停止した前記電動機による走行中に潤滑油量の低下が生じやすい、前記電動機の軸受への潤滑油の供給を増加する。【解決手段】ギヤ室70とモータ室72とを区分するケース14の隔壁48に設けられたケース開口44をモータ室72側に伸長したケース油穴44をケース14に形成し、EV走行中においてもギヤ機構16に潤滑油を供給する第1オイルポンプP1から、第1モータジェネレータMG1のLHベアリング42にも潤滑油を供給することで潤滑油量の低下を解消する。【選択図】図9
LUBRICATION DEVICE OF POWER TRANSMISSION DEVICE FOR VEHICLE
車両用動力伝達装置の潤滑装置
24.10.2019
Patent
Elektronische Ressource
Japanisch
LUBRICATION STRUCTURE OF VEHICLE POWER TRANSMISSION DEVICE
Europäisches Patentamt | 2024
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