US 9,810,116 B2
Oil separator
Deog Byoung An, Yongin-si (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR)
Filed by HYUNDAI MOTOR COMPANY, Seoul (KR)
Filed on Aug. 31, 2015, as Appl. No. 14/841,604.
Claims priority of application No. 10-2014-0157923 (KR), filed on Nov. 13, 2014.
Prior Publication US 2016/0138443 A1, May 19, 2016
Int. Cl. B01D 45/00 (2006.01); F01M 13/04 (2006.01); B01D 45/08 (2006.01); B01D 45/16 (2006.01); F01M 13/00 (2006.01)
CPC F01M 13/04 (2013.01) [B01D 45/08 (2013.01); B01D 45/16 (2013.01); F01M 2013/0016 (2013.01); F01M 2013/045 (2013.01); F01M 2013/0422 (2013.01); F01M 2013/0427 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An oil separator comprising:
a housing into which mixed gas of unburned gas and engine oil is introduced from a crank case;
a centrifuge mounted in the housing and generating centrifugal force to the mixed gas to thereby separate the engine oil from the mixed gas; and
a filter separator mounted in the housing and filtering the engine oil in the mixed gas,
wherein the centrifuge includes an induction rib formed in the housing so as to induce the mixed gas toward an inner side wall surface of the housing, and
wherein the induction rib includes:
a straight rib extending from an introduction pipe attached to the housing toward the inner side wall surface of the housing; and
a curved rib extending from the straight rib so as to be curved to thereby form a spiral shape together with the straight rib.