Caterpillar Inc.

Paul Jon Schweiger

Quinton Burcar

Mike Dean Roley

Ram Prasanth Anjaneyulu

Srikanth Ravisankar

A spacer for an engine is disclosed. The spacer comprises a hollow body having an inner surface, a pathway formed along a perimeter on the inner surface, an adapter disposed on the pathway, and a slot formed through the hollow body on the pathway.

Valvetrain spacer

A piston may have an annular body including a crown portion defining a longitudinal axis, a radial direction perpendicular to the longitudinal axis, a plane containing the longitudinal axis and the radial direction, and a contoured combustion bowl. In the plane containing the longitudinal axis and the radial direction, the crown portion includes a radially outer squish surface, and a swirl pocket having a reentrant surface that extends axially downwardly and radially outwardly from the squish surface defining a tangent that forms a reentrant angle with the squish surface that ranges from 33.0 degrees to 37.0 degrees.

Growing community of inventors

Dunlap, IL, United States of America

Paul Jon Schweiger