Oil pump unit for internal combustion engine

专利名称：Oil pump unit for internal combustion

engine

发明人：Yasushi Fujimoto,Kinya Mizuno,Hiromi Sumi申请号：US11902593申请日：20070924

公开号：US20080073153A1公开日：20080327

专利附图：

摘要：An oil pump unit for an internal combustion engine can reduce the number ofcomponent parts to configure a simplified pump case, reducing the size and weightthereof. In an oil pump unit has a case cover put on the outside of a crankcase via a

spacer and an oil tank chamber formed by the inside surface of the case cover and thespacer. The spacer is formed inside an outer circumferential wall thereof with a divisionwall which partitions the oil tank chamber from a crank chamber and with one pump casehalf-body portion forming a half-body of a pump case of an oil pump. Another pump casehalf-body is joined to the pump case half-body portion to form the pump case. The pumpcase half-body portion is formed in a lower portion thereof with an oil suction portcommunicating with a bottom portion of the oil tank chamber.

申请人：Yasushi Fujimoto,Kinya Mizuno,Hiromi Sumi

地址：Saitama JP,Saitama JP,Saitama JP

国籍：JP,JP,JP

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