Launch vehicle with reconfigurable interstage propellant manifolding and solid rocket boosters
Patent 5143328 Issued on September 1, 1992. Estimated Expiration Date: 
January 30, 2010. 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.
January 30, 2010. 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 2755046 3369771 3782400 Liquid fuel multistage rocket Orientation system for a spin stabilized spacecraft Supplemental oil system for engines Pressure resistant member Three stage rocket vehicle with parallel staging Heat management system for aircraft Automatic/manual fuel tank supply balance system InventorApplicationNo. 472096 filed on 01/30/1990ExaminersPrimary: Basinger, Sherman D.Assistant: Bidwell, Anne E. Attorney, Agent or FirmForeign Patent References
International ClassesB64G 001/00B64G 001/40 AbstractA launch vehicle having one or more high thrust solid propellant boosters and two or more liquid propellant stages all configured to burn in parallel and having an interstage propellant manifolding system between the parallel liquid burning stages. Preferably, existing U.S. launch vehicle stages may be employed as the parallel burning stages. An additional liquid stage burning in series with the lower stages may also be employed. The interstage propellant manifolding between the liquid burning stages allows the central vehicle core to be stabilized against high altitude wind loads and further provides increased performance to the launch vehicle. Additionally, the interstage propellant transfer manifold is equipped with a plurality of electromechanical valves to allow reconfiguration of the propellant flow in real time in the event of a stage failure, thereby providing significantly increased vehicle reliability.Other References
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