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Double bowl piston

Patent ·
OSTI ID:1176129

A piston for an internal combustion engine is disclosed. The piston has a piston crown with a face having an interior annular edge. The piston also has first piston bowl recessed within the face of the piston crown. The first piston bowl has a bottom surface and an outer wall. A line extending from the interior annular edge of the face and tangent with the outer wall forms an interior angle greater than 90 degrees with the face of the piston. The piston also has a second piston bowl that is centrally located and has an upper edge located below a face of the piston crown.

Research Organization:
Caterpillar Inc, Peoria, IL (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC05-97OR22605
Assignee:
Caterpillar Inc (Peoria, IL)
Patent Number(s):
7,185,614
Application Number:
10/975,101
OSTI ID:
1176129
Country of Publication:
United States
Language:
English

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