US 11,725,605 B2
Cylinder head bolt boss cutouts
Dennis King Chan, Bloomington, IN (US); William Ryan Dougherty, Sellersburg, IN (US); Jeffrey D. Jones, Columbus, IN (US); Andrew P. Perr, Columbus, IN (US); Andrew Guy Kitchen, Daventry (GB); Philipe F. Saad, Columbus, IN (US); Akintomide K. Akinola, Whiteland, IN (US); and Rick Vaughan Lewis, Jr., Franklin, IN (US)
Assigned to CUMMINS INC., Columbus, IN (US)
Filed by Cummins Inc., Columbus, IN (US)
Filed on Jul. 28, 2022, as Appl. No. 17/803,486.
Application 17/803,486 is a continuation of application No. 16/614,223, abandoned, previously published as PCT/US2017/032694, filed on May 15, 2017.
Prior Publication US 2023/0089814 A1, Mar. 23, 2023
Int. Cl. F02F 1/42 (2006.01); F02F 7/00 (2006.01); F02F 1/24 (2006.01); F02F 11/00 (2006.01)
CPC F02F 7/0021 (2013.01) [F02F 1/24 (2013.01); F02F 11/002 (2013.01); F02F 2007/0041 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cylinder head mountable onto a cylinder block of an engine, the cylinder head comprising:
at least one fastener boss configured for receiving a fastener wherein the cylinder head is securely fastened onto the cylinder block of the engine by the fastener;
the at least one fastener boss including:
a lower portion that abuts the cylinder block of the engine when the cylinder head is securely fastened onto the cylinder block by the fastener, the lower portion including a lower surface that abuts the cylinder block and forms a bottom edge at an outermost periphery of the cylinder head; and
a boss cutout formed at the lower portion of the at least one fastener boss and extending from the outermost periphery of a corresponding corner of the cylinder head toward a center of a bottom edge of an adjacent side wall of the cylinder head such that a contact pressure balance of sealing pressures around the cylinder block is evenly distributed.