Piston with insulating air gap formed by additive manufacturing

Kelleher, Jordan E.; Kocher, Lyle E.; Doig, Dwight A.; Boas, Brett A.

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A - human necessities
A01 - agriculture
A21 - baking
A22 - butchering
A23 - foods or foodstuffs
A24 - tobacco
A41 - wearing apparel
A42 - headwear
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A44 - haberdashery
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A47 - furniture
A61 - medical or veterinary science
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B - performing operations
B01 - physical or chemical processes or apparatus in general
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B03 - separation of solid materials using liquids or using pneumatic tables or jigs
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B07 - separating solids from solids
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B22 - casting
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B27 - working or preserving wood or similar material
B28 - working cement, clay, or stone
B29 - working of plastics
B30 - presses
B31 - making articles of paper, cardboard or material worked in a manner analogous to paper
B32 - layered products
B33 - additive manufacturing technology
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B43 - writing or drawing implements
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B60 - vehicles in general
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B62 - land vehicles for travelling otherwise than on rails
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B67 - opening, closing {or cleaning} bottles, jars or similar containers
B68 - saddlery
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C22 - metallurgy
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C25 - electrolytic or electrophoretic processes
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D - textiles
D01 - natural or man-made threads or fibres
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D03 - weaving
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D06 - treatment of textiles or the like
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D10 - indexing scheme associated with sublasses of section d, relating to textiles
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F - mechanical engineering
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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:: Kelleher, Jordan E.; Kocher, Lyle E.; Doig, Dwight A.; Boas, Brett A.

Issue Date:: Tue Oct 04 00:00:00 EDT 2022

Research Org.:: Cummins Inc., Columbus, IN (United States); Scania CV AB, Södertälje (Sweden)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1986651

Patent Number(s):: 11459977

Application Number:: 17/405,504

Assignee:: Cummins Inc. (Columbus, IN); Scania CV AB (Södertälje, SE)

DOE Contract Number:: EE0007281

Resource Type:: Patent

Resource Relation:: Patent File Date: 08/18/2021

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., 2022. 
        Web.

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                    Kelleher, Jordan E., Kocher, Lyle E., Doig, Dwight A., & Boas, Brett A. Piston with insulating air gap formed by additive manufacturing.  United States.

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                    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/1986651.

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@article{osti_1986651,

  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         = {Tue Oct 04 00:00:00 EDT 2022},

  month        = {Tue Oct 04 00:00:00 EDT 2022}

}

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Works referenced in this record:

Method for producing an oxidation protection layer for a piston for use in internal combustion engines and piston having an oxidation protection layer
patent-application, May 2016

Moding, Herbert
US Patent Application 14/898382; 20160138516
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20160138516

Engine piston having an insulating air gap
patent, February 2010

Jarrett, Mark W.; Hunold, Brent M.
US Patent Document 7,654,240
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7654240

One-piece piston featuring additive machining produced combustion bowl rim and cooling gallery
patent, September 2017

Evers, Ross; Kenningley, Scott; Cromme, Wolfram
US Patent Document 9,765,727
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9765727

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

Ribeiro, Carmo; Lu, Owen; Egerer, Thomas
US Patent Application 14/245138; 20140299091
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20140299091