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U.S. Department of Energy
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Piston with insulating air gap formed by additive manufacturing

Patent ·
OSTI ID:1859966
The present disclosure provides a piston, comprising: a skirt having an upper body portion; and a crown formed on the upper body portion by an additive manufacturing process, the crown including at least one air gap formed and positioned to reduce heat transfer from combustion to at least one cooling gallery formed in the piston.
Research Organization:
Cummins Inc., Columbus, IN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
EE0007281;
Assignee:
Cummins Inc. (Columbus, IN)
Patent Number(s):
11,149,681
Application Number:
16/962,346
OSTI ID:
1859966
Country of Publication:
United States
Language:
English

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