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Title: Cooling of weapons with graphite foam

Patent ·
OSTI ID:1337662
;

Disclosed are examples of an apparatus for cooling a barrel 12 of a firearm 10 and examples of a cooled barrel assembly 32 for installation into an existing firearm 10. When assembled with the barrel 12, a contact surface 16 of a shell 14 is proximate to, and in thermal communication with, the outer surface of the barrel 18. The shell 14 is formed of commercially available or modified graphite foam.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
9,528,785
Application Number:
13/700,147
OSTI ID:
1337662
Resource Relation:
Patent File Date: 2010 Dec 07
Country of Publication:
United States
Language:
English

References (34)

Means for Cooling Gun Barrels patent March 1938
Erosion-and Corrosion-Resistant Gun Barrel Adapted to Hold a Coolant patent May 1960
Mounting of Gun Barrel in its Stock patent January 1961
Thermal sleeve for gun barrels patent January 1987
Gun barrel for tank patent June 1988
Thermal shroud for a gun tube patent June 1989
Gun barrel cooling arrangement patent January 1991
Heat protective covering for a pipe and a rod-shaped article, especially for gun barrels patent November 1991
Rigid thermal sleeve for a gun barrel patent March 1995
Firearm top lever adjusting system patent November 1995
Process for making carbon foam patent March 2000
Pitch-based carbon foam heat sink with phase change material patent March 2000
Pitch-based carbon foam and composites patent July 2001
Pitch based foam with particulate patent September 2001
Flash suppressor patent October 2001
Weapon barrel patent November 2001
Method for extruding pitch based foam patent February 2002
Pitch-based carbon foam and composites patent May 2002
Method of casting pitch based foam patent June 2002
Pitch-based carbon foam heat sink with phase change material patent June 2002
Gelcasting polymeric precursors for producing net-shaped graphites patent December 2002
Heat sink for firearm barrels and method for attachment and use patent January 2003
Pitch-based carbon foam and composites patent December 2003
Pitch-based carbon foam and composites and uses thereof patent January 2004
Pitch-based carbon foam heat sink with phase change material patent August 2004
Gelcasting polymeric precursors for producing net-shaped graphites patent February 2005
Composite structural member patent May 2005
Pitch-based carbon foam and composites and use thereof patent July 2006
Rifle patent May 2007
Increased thermal conductivity monolithic zeolite structures patent November 2008
Method and apparatus for producing a carbon based foam article having a desired thermal-conductivity gradient patent March 2010
Gun barrel assembly patent May 2010
Rifle patent June 2011
Acoustic and heat control device patent June 2012

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45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE