US 12,258,922 B2
Piston for assembly with a cylinder
Raghuvaran Arumugam, Countesthorpe (GB)
Assigned to Cummins Inc., Columbus, IN (US)
Filed by Cummins Inc., Columbus, IN (US)
Filed on Nov. 1, 2023, as Appl. No. 18/499,489.
Claims priority of provisional application 63/428,896, filed on Nov. 30, 2022.
Prior Publication US 2024/0175407 A1, May 30, 2024
Int. Cl. F02F 3/02 (2006.01)
CPC F02F 3/025 (2013.01) 20 Claims
OG exemplary drawing
 
1. A piston for assembly with a cylinder, the piston comprising:
a piston body having a longitudinal axis that extends from a crown to a bottom, the piston body defining a pin opening having a piston pin axis;
a piston skirt assembled with and exterior to the piston body, the piston skirt includes:
a first skirt pocket and a second skirt pocket, wherein the first and second skirt pockets are positioned above the piston pin axis;
a lower skirt positioned entirely below the piston pin axis; and
a lower land on the piston body between the bottom and the lower skirt, wherein the lower skirt has an outer lower skirt surface that extends from the piston pin axis to the lower land.