Combustion of pulverized coal
Patent 4057021 Issued on November 8, 1977. Estimated Expiration Date: 
November 8, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 8, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3171388 3250236 3400921 3460519 3856455 InventorApplicationNo. 05/698301 filed on 06/21/1976US Classes:110/264, Having rotary flow means110/347, Burning pulverized fuel431/11, Heating feed431/2PROCESS OF COMBUSTION OR BURNER OPERATIONExaminersPrimary: Sprague, Kenneth W.Foreign Application Priority Data1975-06-20 DTAbstractThis invention relates to a process and apparatus for the combustion of pulverized coal, wherein the pulverized coal is introduced into a conditioned atmosphere having an overpressure, the overpressure being used to accelerate a flame jet, and wherein the flame jet is injected into an atmosphere having a temperature below the ash melting temperature of the fired coal. | |
