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
A45 - hand or travelling articles
A46 - brushware
A47 - furniture
A61 - medical or veterinary science
A62 - life-saving
A63 - sports
A99 - subject matter not otherwise provided for in this section
B - performing operations
B01 - physical or chemical processes or apparatus in general
B02 - crushing, pulverising, or disintegrating
B03 - separation of solid materials using liquids or using pneumatic tables or jigs
B04 - centrifugal apparatus or machines for carrying-out physical or chemical processes
B05 - spraying or atomising in general
B06 - generating or transmitting mechanical vibrations in general
B07 - separating solids from solids
B08 - cleaning
B09 - disposal of solid waste
B21 - mechanical metal-working without essentially removing material
B22 - casting
B23 - machine tools
B24 - grinding
B25 - hand tools
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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
B41 - printing
B42 - bookbinding
B43 - writing or drawing implements
B44 - decorative arts
B60 - vehicles in general
B61 - railways
B62 - land vehicles for travelling otherwise than on rails
B63 - ships or other waterborne vessels
B64 - aircraft
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B66 - hoisting
B67 - opening, closing {or cleaning} bottles, jars or similar containers
B68 - saddlery
B81 - microstructural technology
B82 - nanotechnology
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C - chemistry
C01 - inorganic chemistry
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C12 - biochemistry
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C14 - skins
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C22 - metallurgy
C23 - coating metallic material
C25 - electrolytic or electrophoretic processes
C30 - crystal growth
C40 - combinatorial technology
C99 - subject matter not otherwise provided for in this section
D - textiles
D01 - natural or man-made threads or fibres
D02 - yarns
D03 - weaving
D04 - braiding
D05 - sewing
D06 - treatment of textiles or the like
D07 - ropes
D10 - indexing scheme associated with sublasses of section d, relating to textiles
D21 - paper-making
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F - mechanical engineering
F01 - machines or engines in general
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F03 - machines or engines for liquids
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F05 - indexing schemes relating to engines or pumps in various subclasses of classes f01-f04
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F17 - storing or distributing gases or liquids
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F26 - drying
F27 - furnaces
F28 - heat exchange in general
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F42 - ammunition
F99 - subject matter not otherwise provided for in this section
G - physics
G01 - measuring
G02 - optics
G03 - photography
G04 - horology
G05 - controlling
G06 - computing
G07 - checking-devices
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G12 - instrument details
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H02 - generation
H03 - basic electronic circuitry
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H05 - electric techniques not otherwise provided for
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Y04 - information or communication technologies having an impact on other technology areas
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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:: 2022-10-04

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         = {2022},

  month        = {10}

}

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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