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:
Mar. 20, 2018
Filed:
Jun. 19, 2013
Applicants:
SK Innovation Co., Ltd., Seoul, KR;
SK Energy Co., Ltd., Seoul, KR;
Inventors:
Chi Myong Kwon, Ulsan, KR;
Jang Heon Lee, Ulsan, KR;
Hee Duck Park, Ulsan, KR;
Hye Min Choi, Ulsan, KR;
Yoo Keun Kim, Ulsan, KR;
Ki Young Bae, Ulsan, KR;
Cheol Hong, Ulsan, KR;
Assignees:
SK Innovation Co., Ltd., Seoul, KR;
SK Energy Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01M 11/03 (2006.01); F01M 11/10 (2006.01); G01N 27/38 (2006.01); C10G 33/06 (2006.01); F16N 39/00 (2006.01); F16N 39/06 (2006.01); B01D 17/02 (2006.01); C10G 33/08 (2006.01); G01F 23/00 (2006.01); C02F 1/40 (2006.01); C02F 101/32 (2006.01);
U.S. Cl.
CPC ...
F01M 11/03 (2013.01); C10G 33/06 (2013.01); F01M 11/10 (2013.01); F16N 39/005 (2013.01); F16N 39/06 (2013.01); G01N 27/38 (2013.01); B01D 17/0214 (2013.01); C02F 1/40 (2013.01); C02F 2101/32 (2013.01); C10G 33/08 (2013.01); F01M 2011/146 (2013.01); G01F 23/0007 (2013.01);
Abstract
The present invention relates to a water drain system of an oil reserve tank, which comprises: an oil reserve tank; an oil and water separator for separating the drained water coming from the oil reserve tank; a drain pipe extended from the oil reserve tank to the oil and water separator, the drain pipe having a vertical part to form a step; and a water detection sensor installed in the vertical part.