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Title: Piston with insulating air gap formed by additive manufacturing

Abstract

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.

Inventors:
; ; ;
Issue Date:
Research Org.:
Cummins Inc., Columbus, IN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1859966
Patent Number(s):
11149681
Application Number:
16/962,346
Assignee:
Cummins Inc. (Columbus, IN)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B22 - CASTING B22F - WORKING METALLIC POWDER
B - PERFORMING OPERATIONS B33 - ADDITIVE MANUFACTURING TECHNOLOGY B33Y - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
DOE Contract Number:  
EE0007281
Resource Type:
Patent
Resource Relation:
Patent File Date: 11/28/2018
Country of Publication:
United States
Language:
English

Citation Formats

Kelleher, Jordan E., Kocher, Lyle E., Doig, Dwight A., and Boas, Brett A. Piston with insulating air gap formed by additive manufacturing. United States: N. p., 2021. Web.
Kelleher, Jordan E., Kocher, Lyle E., Doig, Dwight A., & Boas, Brett A. Piston with insulating air gap formed by additive manufacturing. United States.
Kelleher, Jordan E., Kocher, Lyle E., Doig, Dwight A., and Boas, Brett A. Tue . "Piston with insulating air gap formed by additive manufacturing". United States. https://www.osti.gov/servlets/purl/1859966.
@article{osti_1859966,
title = {Piston with insulating air gap formed by additive manufacturing},
author = {Kelleher, Jordan E. and Kocher, Lyle E. and Doig, Dwight A. and Boas, Brett A.},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2021},
month = {10}
}

Works referenced in this record:

Engine piston having an insulating air gap
patent-application, February 2008


Robust, lightweight, low compression height piston and method of construction thereof
patent-application, September 2016


Engine piston having an insulating air gap
patent, February 2010


Piston assembly and method of making a piston
patent, September 2015


Piston made using additive manufacturing techniques
patent-application, October 2014


Piston with thermally insulated crown
patent, June 2017


Mass Efficient Piston
patent-application, December 2017