Patent ID: 11885246
Assignee: CATERPILLAR INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  B | IPC B  F

Claim 18:
19. The engine valve of claim 18 wherein the outer lip surface defines a head diameter, the first concave arcuate surface defines a dimple radial width, the first convex arcuate surface at least partially defines a raised ring having a raised ring radial width, the combustion surface defines an axial dimension measured from trough point to the axial extremity, a ratio of the head diameter to the dimple radial width ranges from 1.0 to 3.5, a ratio of the head diameter to the raised ring radial width ranges from 4.0 to 12.0, and a ratio of the head diameter to the axial dimension ranges from 7.0 to 23.0.