US Patent Application No: 2007/0275,335

Number of patents in Portfolio can not be more than 2000

Furnace for heating particles

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Abstract

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A bottom-up cocurrent combustion furnace for the production of synthetic microspheres by thermal expansion of glass particles is provided having improved characteristics with regard to anti-fouling, process efficiency, and yield. The disclosed furnace uses preheated combustion air to preheat the feed material and to convey the feed material in a dilute phase transport regime to a burner. The combustion air, fuel, and feed material are premixed prior to being injected though the burner. The feed material rapidly expands as it is ejected through the burner and through a flame and then rapidly cools to solidify the microspheres. Additional features are provided to prevent the furnace from fouling by keeping the feed material away from the furnace walls, removing feed material that adheres to the furnace walls, and collecting feed material that agglomerates or does not expand.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
JAMES HARDIE INTERNATIONAL FINANCE B.V.1077 ZX AMSTERDAM5

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Biscan, Giang Fontana, CA 7 17
Blake, Charles D Norco, CA 1 2
Cresswell, Ronald W North Sydney, AU 1 2
Everhart, Robert E Lake Arrowhead, CA 1 2
Hojaji, Hamid Claremont, CA 46 389
Pham, Thinh Kensington, AU 18 206
Stevens, Mark G Metuchen, NJ 17 48

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (2)
8,322,314 Boiler furnace that avoids thermal NOx 0 2007
8,281,750 Boiler furnace to avoid thermal NOx 1 2009