US 12,404,802 B2
Combustion chamber for high performance H2 direct injection engine
Patrick Gastaldi, Rueil-Malmaison (FR)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed on Apr. 13, 2023, as Appl. No. 18/299,802.
Prior Publication US 2024/0344479 A1, Oct. 17, 2024
Int. Cl. F02B 43/12 (2006.01); F02B 23/10 (2006.01); F02B 75/12 (2006.01)
CPC F02B 43/12 (2013.01) [F02B 23/101 (2013.01); F02B 2023/102 (2013.01); F02B 2075/125 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A hydrogen direct injection engine, comprising:
a cylinder;
a combustion chamber positioned at a center of the cylinder, the combustion chamber having a domed portion;
one or more intake valves in communication with the combustion chamber;
one or more exhaust valves in communication with the combustion chamber;
a cylinder head mounted across a top surface of the cylinder;
a fuel injector positioned vertically along a central axis of the cylinder;
a piston disposed within the cylinder; and
a spark plug connected to and interfacing with the combustion chamber,
wherein the domed portion of the combustion chamber is recessed within the cylinder head and positioned between the one or more intake valves and the one or more exhaust valves,
wherein the fuel injector comprises an injection tip interfacing the domed portion and positioned at a recessed depth from an upper surface of the domed portion of the combustion chamber.