US 9,810,140 B2
Combustion chamber of direct injection diesel engine having inducers
Jong Yoon Lee, Seoul (KR)
Assigned to Doosan Infracore Co., Ltd., Incheon (KR)
Appl. No. 14/439,943
Filed by Doosan Infracore Co., Ltd., Incheon (KR)
PCT Filed Oct. 30, 2013, PCT No. PCT/KR2013/009708
§ 371(c)(1), (2) Date Apr. 30, 2015,
PCT Pub. No. WO2014/069886, PCT Pub. Date May 8, 2014.
Claims priority of application No. 10-2012-0121155 (KR), filed on Oct. 30, 2012.
Prior Publication US 2015/0308327 A1, Oct. 29, 2015
Int. Cl. F02B 23/00 (2006.01); F02B 23/06 (2006.01); F02B 3/06 (2006.01)
CPC F02B 23/0696 (2013.01) [F02B 23/0621 (2013.01); F02B 23/0624 (2013.01); F02B 23/0648 (2013.01); F02B 23/0663 (2013.01); F02B 23/0669 (2013.01); F02B 3/06 (2013.01); Y02T 10/125 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A combustion chamber of a diesel engine, which has a recessed combustion bowl to mix fuel injected from an injector with air, the combustion chamber comprising:
a cylinder head which has the injector disposed therein and is positioned at an upper side of the combustion bowl;
a cylinder block which is positioned at a lower side of the cylinder head; and
a piston which moves upward and downward in the cylinder block and faces the cylinder head,
wherein a plurality of radial inducers is provided on a bottom surface of the cylinder head around the injector, and
wherein the radial inducers include a plurality of main inducers and a plurality of sub-inducers, each of the plurality of sub-inducers is disposed between two of the main inducers and has a length shorter than a length of a main inducer of the main inducers.