The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 08, 2019
Filed:
Sep. 08, 2016
Applicant:
Myunghwa Ind. Co., Ltd., Seoul, KR;
Inventor:
Jin Yong Kim, Gunpo-si, KR;
Assignee:
MYUNGHWA IND. CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 2/18 (2006.01); F04C 11/00 (2006.01); F04C 14/26 (2006.01); F04C 2/08 (2006.01); F04C 15/06 (2006.01);
U.S. Cl.
CPC ...
F04C 11/003 (2013.01); F04C 2/084 (2013.01); F04C 2/18 (2013.01); F04C 14/26 (2013.01); F04C 15/06 (2013.01); F04C 2240/30 (2013.01);
Abstract
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.