Patent ID: 11898516
Assignee: CATERPILLAR INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 15:
16. A cylinder head comprising:
a cylinder head casting including an upper surface, a lower surface forming a fire deck, and having formed therein an injector bore defining an injector bore center axis and extending through the cylinder head casting between the upper surface and the lower surface, and four gas exchange openings in the fire deck;
the cylinder head casting further having formed therein a bolt bore defining a bolt bore center axis parallel to the injector bore center axis;
the four gas exchange openings are arranged at twelve o'clock, three o'clock, six o'clock, and nine o'clock positions, respectively, circumferentially around the injector bore center axis when viewed from above the cylinder head casting; and
the bolt bore being positioned angularly between the twelve o'clock position and the three o'clock position, circumferentially around the injector bore center axis, and closer to the twelve o'clock position than to the three o'clock position.