US 12,281,602 B2
Valvetrain spacer
Ram Prasanth Anjaneyulu, Chennai (IN); Mike Dean Roley, Washington, IL (US); Paul Jon Schweiger, Dunlap, IL (US); and Quinton Burcar, Chillicothe, IL (US)
Assigned to Caterpillar Inc., Peoria, IL (US)
Filed by Caterpillar Inc., Peoria, IL (US)
Filed on May 23, 2023, as Appl. No. 18/200,905.
Prior Publication US 2024/0392707 A1, Nov. 28, 2024
Int. Cl. F01L 3/08 (2006.01); F01L 1/18 (2006.01)
CPC F01L 3/08 (2013.01) [F01L 1/181 (2013.01); F01L 2810/02 (2013.01)] 16 Claims
OG exemplary drawing
 
6. An engine comprising:
a plurality of valve stems;
a rocker shaft having a primary fluid channel;
a plurality of rocker arms rotatably fixed on the rocker shaft and coupled to the plurality of valve stems;
a plurality of spacers disposed on the rocker shaft between each rocker arms, each spacer having:
a hollow body having an inner surface;
a pathway formed along a perimeter on the inner surface;
an adapter disposed on the pathway and configured to fluidly connect the primary fluid channel and the pathway;
a first slot formed through the hollow body along the pathway, and
a second slot provided on the hollow body, and a fastener provided in the second slot through the hollow body.