US 12,215,650 B2
Cylinder head for internal combustion engine
Robert Earl Hoye, Columbus, OH (US); Jeffrey D. Jones, Columbus, IN (US); Daniel J. Mohr, Columbus, IN (US); David M. Barnes, Columbus, OH (US); and Timothy Shipp, Seymour, IN (US)
Assigned to Cummins Inc., Columbus, IN (US)
Appl. No. 17/596,931
Filed by Cummins Inc., Columbus, IN (US)
PCT Filed May 17, 2021, PCT No. PCT/US2021/032737
§ 371(c)(1), (2) Date Dec. 22, 2021,
PCT Pub. No. WO2022/245329, PCT Pub. Date Nov. 24, 2022.
Claims priority of provisional application 63/027,604, filed on May 20, 2020.
Prior Publication US 2024/0209810 A1, Jun. 27, 2024
Int. Cl. F02F 1/38 (2006.01); F02F 1/40 (2006.01)
CPC F02F 1/38 (2013.01) [F02F 1/40 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cylinder head of an internal combustion engine,
the cylinder head being configured to cover a plurality of combustion chambers of the engine, and comprising:
at least one fastener boss configured for receiving insertion of a fastener that, in an engaged condition, fastens the cylinder head to a cylinder block of the engine;
a bottom deck side of the cylinder head disposed near the cylinder block in the engaged condition; and
a boss cutout formed in the fastener boss on the bottom deck side,
wherein the boss cutout defines a portion of a wall of a sealed cavity that surrounds a shank portion of the fastener positioned in the boss cutout in the engaged condition.