Invention Grant
- Patent Title: Lubrication structure for hybrid type vehicle power unit
- Patent Title (中): 混合动力车辆动力装置的润滑结构
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Application No.: US12711487Application Date: 2010-02-24
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Publication No.: US08904989B2Publication Date: 2014-12-09
- Inventor: Kenji Matsuo , Kenichi Nakano
- Applicant: Kenji Matsuo , Kenichi Nakano
- Applicant Address: JP Tokyo
- Assignee: Honda Motor Co., Ltd.
- Current Assignee: Honda Motor Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2009-060011 20090312
- Main IPC: F02N15/02
- IPC: F02N15/02 ; F02N11/00 ; F01M1/02 ; F01M1/12

Abstract:
In a hybrid type vehicle power unit including a first oil pump interlockingly connected to a crankshaft so as to supply at least a lubricating oil to an engine and a transmission, and a second oil pump for supplying the lubricating oil to the transmission, it is not necessary for an electric motor to be exclusively used for the second oil pump. Thus, a reduction in the number of component parts and a reduction in the cost of manufacturing are achieved. The second oil pump is interlockingly connected to an electric motor capable of transmitting a driving torque to an output shaft through the transmission.
Public/Granted literature
- US20100229824A1 LUBRICATION STRUCTURE FOR HYBRID TYPE VEHICLE POWER UNIT Public/Granted day:2010-09-16
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