Convergent flow stove

Patent · Tue Feb 25 04:00:00 EST 1986

OSTI ID:5965595

Engblom, D W

An apparatus for burning combustible solid organic material such as wood is described in a environment in which combustion is directed downwardly. The apparatus consists of: A. A fuel chamber having a closed upper portion and a major dimension in the vertical direction such that the fuel chamber is generally upright, B. A combustion zone in the lower portion of the fuel chamber defined by a convergent outflow passage at the bottom of the fuel chamber and a pair of walls on opposite sides of the lower portion, the walls being sloped inwardly toward one another at the outflow passage, and the outflow passage comprising a gap between the walls, C. A Hearth element forming each the sloping wall, the hearth element including I. At least one row of spaced slots extending into the interior of the hearth element and a lateral air inlet channel connected to the slots of each row and a source of combustion air, and II. A flue outlet communicating with the outflow passage, the flue outlet including spaced, parallel tubes in the hearth element, with the tubes being juxtaposed the slots and extending perpendicular to the air inlet channels, D. Means connected to the flue outlet to permit exhaustion of flue gases from the apparatus, and E. means for loading fuel into the fuel chamber.

• Assignee: NOV; EDB-86-077435
• Patent Number(s): US 4572155
• OSTI ID: 5965595
• Country of Publication: United States
• Language: English

Related Subjects

09 BIOMASS FUELS
090400* -- Solid Waste & Wood Fuels-- (-1989)
42 ENGINEERING
421000 -- Engineering-- Combustion Systems
AIR FLOW
APPLIANCES
CHEMICAL REACTIONS
COMBUSTION
COMBUSTION CHAMBERS
DESIGN
EXHAUST SYSTEMS
FLUE GAS
FLUID FLOW
FUEL FEEDING SYSTEMS
FUEL SYSTEMS
GAS FLOW
GASEOUS WASTES
OPERATION
OXIDATION
STOVES
THERMOCHEMICAL PROCESSES
WALLS
WASTES
WOOD
WOOD BURNING APPLIANCES