公开(公告)号：US10174759B2

公开(公告)日：2019-01-08

申请号：US15259056

申请日：2016-09-08

申请人： MYUNGHWA IND. CO., LTD.

发明人： Jin Yong Kim

IPC分类号： F04C2/18 ,  F04C11/00 ,  F04C14/26 ,  F04C2/08 ,  F04C15/06

摘要： Provided is a dual pump system including: a dual pump provided with a plurality of chambers independent from each other, wherein an input and an output port are provided in each of the chambers; a plurality of output lines connected to the output ports of the plurality of chambers, respectively; and a switching valve that is provided in an output line of one side of the plurality of output lines, enables a fluid to flow to the output line when operating in one direction, and enables the fluid to be drained to an oil pan through a bypass line branched from the output line when operating in the other direction.