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US 5,783,141 AGranted
Annular furnace
AssigneeThe Research Foundation of State University of New York at Buffalo
InventorsSushil N. Patel, Frederick C. Wong
Life of this patent
Estimating the term…
Abstract
An annular furnace capable of delivering precise temperature control. The furnace may also take the form of a toroid. The furnace may be employed in the heat treatment of many types of material including superconducting tape.
Claims18
A furnace comprising:
- a furnace wall defining an interior chamber having the geometry of an enclosed annulus defined by a mean radius dimension, a height dimension, and a width dimension;
- one or more heating elements disposed on the furnace wall inside said interior chamber;
- wherein the magnitude of said mean radius dimension is greater than 10 centimeters;
- and
- wherein the magnitude of said height dimension is greater than 1 millimeter and less than one half the magnitude of said mean radius dimension.
2 more elements
A furnace comprising:
- a furnace wall defining an interior chamber having the geometry of an enclosed annulus defined by a mean radius dimension, a height dimension, and a width dimension;
- one or more heating elements disposed on the furnace wall inside said interior chamber;
- wherein the magnitude of said mean radius dimension is greater than 10 centimeters;
- and
- wherein the magnitude of said width dimension is greater than 1 millimeter and less than one half the magnitude of said mean radius dimension.
2 more elements
A furnace comprising:
- a furnace wall defining an interior chamber having the geometry of an enclosed toroid defined by a mean radius dimension, a mean height dimension, and a mean width dimension;
- one or more heating elements disposed on the furnace wall inside said interior chamber;
- wherein the magnitude of said mean radius dimension is greater than 10 centimeters;
- and
- wherein the magnitude of said mean height dimension is greater than 1 millimeter and less than one half the magnitude of said mean radius dimension.
2 more elements
A furnace comprising:
- a furnace wall defining an interior chamber having the geometry of an enclosed toroid defined by a mean radius dimension, a mean height dimension, and a mean width dimension;
- one or more heating elements disposed on the furnace wall inside said interior chamber;
- wherein the magnitude of said mean radius dimension is greater than 10 centimeters;
- and
- wherein the magnitude of said mean width dimension is greater than 1 millimeter and less than one half the magnitude of said mean radius dimension.
2 more elements
A furnace for the heat treatment of superconducting material, comprising:
- a furnace wall defining an interior chamber having the geometry of an enclosed annulus defined by a mean radius dimension, a height dimension, and a width dimension;
- one or more heating elements disposed on the furnace wall inside said interior chamber,
- wherein the magnitude of said mean radius dimension is greater than 10 centimeters;
- wherein the magnitude of said width dimension is greater than 1 millimeter and less than one half the magnitude of said mean radius dimension;
- and
- wherein the magnitude of said height dimension is greater than 1 millimeter and less than one half the magnitude of said mean radius dimension.
3 more elements
A furnace for the heat treatment of superconducting material, comprising:
- a furnace wall defining an interior chamber having the geometry of an enclosed toroid defined by a mean radius dimension, a mean height dimension, and a mean width dimension;
- one or more heating elements disposed on the furnace wall inside said interior chamber;
- wherein the magnitude of said mean radius dimension is greater than 10 centimeters;
- wherein the magnitude of said mean width dimension is greater than 1 millimeter and less than one half the magnitude of said mean radius dimension;
- and
- wherein the magnitude of said mean height dimension is greater than 1 millimeter and less than one half the magnitude of said mean radius dimension.
3 more elements
A furnace comprising:
- an inner wall with a substantially circular cross section defined by a first radius dimension, the magnitude of said first radius dimension being greater than 10 centimeters;
- an outer wall with a substantially circular cross section defined by a second radius dimension, said inner and outer walls being radially spaced apart by a mean width dimension;
- a bottom wall and a top wall spaced apart by a mean height dimension such that said inner wall, said outer wall, said bottom wall, and said top wall define an enclosed annular interior chamber;
- one or more heating elements disposed on one or more of the inner wall, the outer wall, the bottom wall, and the top wall inside the interior chamber;
- and
- wherein the magnitude of said mean width dimension is greater than 1 millimeter and less than one half the magnitude of said first radius dimension, and the magnitude of said mean height dimension is greater than 1 millimeter and less than one half the magnitude of said first radius dimension.
3 more elements
Dependencies are inferred from the claim text.