US 9,810,173 B2
Engine assembly
Alan W. Hayman, Romeo, MI (US); Edward J. Keating, Ortonville, MI (US); and Rodney E. Baker, Fenton, MI (US)
Assigned to GM Global Technology Operations LLC, Detroit, MI (US)
Filed by GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US)
Filed on Nov. 18, 2015, as Appl. No. 14/944,452.
Prior Publication US 2017/0138295 A1, May 18, 2017
Int. Cl. F02F 1/24 (2006.01); F02M 35/10 (2006.01); F02F 1/38 (2006.01); F02F 1/40 (2006.01); F02M 55/02 (2006.01)
CPC F02F 1/242 (2013.01) [F02F 1/38 (2013.01); F02F 1/40 (2013.01); F02M 35/10177 (2013.01); F02M 55/025 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An engine assembly, comprising:
a cylinder head having an intake side and an exhaust side opposite the intake side, wherein the cylinder head defines an intake port, an exhaust port, and a combustion chamber in fluid communication with the intake port and the exhaust port;
a port fuel injector coupled to the cylinder head, wherein the port fuel injector is disposed closer to the exhaust side than to the intake side of the cylinder head, and the port fuel injector is in fluid communication with the intake port to allow fuel to be injected directly into the intake port; and
a direct fuel injector coupled to the cylinder head, wherein the direct fuel injector is in fluid communication with the combustion chamber to allow fuel to be injected directly into the combustion chamber.