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Primary Examiner: Husar, C. J.
Assistant Examiner: Garrett, Robert E.
Attorney: Rusz; Joseph E., Killoren; Richard J.

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Title: Solid boron fuel burner for ramjet

Abstract: A solid boron fuel burning ramjet engine having a cylindrical primary burner located within a ramjet combustion chamber. A portion of the air bypasses the primary burner to provide secondary burning at the outlet of the primary burner. Solid boron fuel pellets are ground to powder in a wire brush fuel mill with the fuel then being carried to the primary burner by air which is passed through the fuel mill.

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Other info:

Inventors: Ortwerth, Paul J. (Rio Rancho, NM, US)
Ormand, Lowell W. (Tucson, AZ, US)
Wilkinson, David B. (Xenia, OH, US)

Application Number: 512388
Filing Date: 1974-10-04
Publication_date: 1976-03-09
Assignee: The United States of America as represented by the Secretary of the Air (Washington, DC)
Primary Class(es): 60/211 60/39.47, 60/219, 241/54, 241/282
Other Classes:
US Patent Ref:

1551767	Sep, 1925	Oehmig	241/54.
2116601	May, 1938	Frisch	241/54.
2651176	Sep, 1953	Yellott	60/39.
2974478	Mar, 1961	Sweet et al.	60/270.
3049883	Aug, 1962	Sloan	60/270.
3069854	Dec, 1962	Toulmin	60/39.
3182920	May, 1965	Daniels	241/282.
3203171	Aug, 1965	Burke et al.	60/219.
3256688	Jun, 1966	Hill	60/253.
3257801	Jun, 1966	Martinez et al.	60/219.
3271951	Sep, 1966	Nettel	60/39.
3282052	Nov, 1966	Lagelbauer	60/270.
3328805	Jun, 1967	Kuehl et al.	60/219.
3346197	Oct, 1967	Sagar	241/235.
3640070	Feb, 1972	Kaufman et al.	60/219.

Other Refs: 1,007,027

Apr, 1952	FR

Other References: "Coal Firing Nears The Practical Stage," The Oil Engine & Gas Turbine, June, 1951; pp. 62-63.
Goodrich, W. F., "Pulverised Fuel," Griffin & Co., London, 1924; pp. 9-11.
Harvey, L. C., "Pulverised Fuel, Colloidal Fuel," McDonald & Evans, London, 1924, pp. 372-375.