US 12,480,438 B2
Internal combustion engine including through-bolt aperture and single through-bolt
Michael J. Ruth, Franklin, IN (US); Adam C. Cecil, Columbus, IN (US); David M. Barnes, Columbus, IN (US); and Jason W. Mackey, Columbus, IN (US)
Assigned to Cummins Inc., Columbus, IN (US)
Appl. No. 18/849,736
Filed by CUMMINS INC., Columbus, IN (US)
PCT Filed Mar. 21, 2023, PCT No. PCT/US2023/015784
§ 371(c)(1), (2) Date Sep. 23, 2024,
PCT Pub. No. WO2023/183309, PCT Pub. Date Sep. 28, 2023.
Claims priority of provisional application 63/323,375, filed on Mar. 24, 2022.
Prior Publication US 2025/0314197 A1, Oct. 9, 2025
Int. Cl. F02B 75/24 (2006.01); F02F 7/00 (2006.01)
CPC F02B 75/243 (2013.01) [F02F 7/0009 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An internal combustion engine comprising:
a first cylinder block;
a first head in contact with the first cylinder block;
a first overhead structure in contact with the first head opposite the first cylinder block;
a second cylinder block in contact with the first cylinder block opposite the first head;
a second head in contact with the second cylinder block opposite the first cylinder block;
a second overhead structure in contact with the second head opposite the second cylinder block;
a first through-bolt aperture defined through the first overhead structure, the first head, the first cylinder block, the second cylinder block, the second head, and the second overhead structure; and
a first through-bolt extending through the first through-bolt aperture and coupling the first overhead structure, the first head, the first cylinder block, the second cylinder block, the second head, and the second overhead structure.