Caterpillar Inc.

Andreia Balan

Jason Rex Dare

Seth Evan Slaughter

Lee D Kress

Ryan McHenry

Kathleen Nackers

Eric Nathan Lucas

Shailendra Kardile

Christopher David Moore

An exhaust outlet elbow includes: a body having an outer wall and an interior wall, the interior wall defining, at least in part, an interior chamber; a connecting surface located above the interior chamber; and an array of threaded holes located about the connecting surface, wherein the threaded holes terminate in the body. A method of manufacturing an exhaust outlet elbow includes the steps of: forming a body having an outer wall and an interior wall, the interior wall defining, at least in part an interior chamber; forming an connecting surface located between the interior and outer walls; and forming an array of threaded holes in the connecting surface.

Exhaust outlet elbow bolt pattern

An engine crankcase breather includes a housing having a lower end including an inlet opening and an upper end including an outlet opening. The inlet opening lies in a horizontal plane and the outlet opening lies in a vertical plane. A mesh filter is positioned within the housing and includes opposing inlet and outlet faces defining a mesh filter thickness. The inlet and outlet faces are parallel to the inlet opening and are positioned below a central axis through the outlet opening. A bottom wall of the housing defines a portion of the lower end and includes a downward slope toward a lip defining the inlet opening. The mesh filter is spaced above the bottom wall. The engine crankcase breather also includes a plurality of oil return openings through the lip.

Engine crankcase breather with mesh filter

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Dunlap, IL, United States of America

Andreia Balan