Disclosed is a propulsion system having a structural configuration that provides easy and convenient access to the interior regions of a liquid fuel tank and a hybrid rocket motor case. In one embodiment, the propulsion system comprises: a hybrid rocket motor case and a fuel tank coupled to the hybr
Disclosed is a propulsion system having a structural configuration that provides easy and convenient access to the interior regions of a liquid fuel tank and a hybrid rocket motor case. In one embodiment, the propulsion system comprises: a hybrid rocket motor case and a fuel tank coupled to the hybrid motor case. The motor case is configured to hold solid rocket fuel and the fuel tank defines an internal volume configured to hold a fluid oxidizer. A bulkhead is interposed between the motor case and the fuel tank, wherein at least one access passageway extends through the bulkhead. The access passageway provides exterior access to the interior volume of the motor case or the internal volume of the storage tank while the hybrid rocket motor is coupled to the fuel tank.
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What is claimed is: 1. A propulsion system, comprising: a hybrid rocket motor case having a proximal end and a distal end, the motor case defining an interior volume including a combustion chamber at the proximal end, wherein the motor case is configured to hold solid rocket fuel; a fuel tank coupl
What is claimed is: 1. A propulsion system, comprising: a hybrid rocket motor case having a proximal end and a distal end, the motor case defining an interior volume including a combustion chamber at the proximal end, wherein the motor case is configured to hold solid rocket fuel; a fuel tank coupled to the proximal end of the motor case, the fuel tank defining an internal volume configured to hold a fluid oxidizer; a partition interposed between the motor case and the fuel tank, wherein at least one access passageway extends through the partition, the access passageway providing exterior access to the interior volume of the motor case or the internal volume of the fuel tank while the hybrid rocket motor is coupled to the fuel tank, wherein the at least one access passageway comprises a motor case access passageway, the motor case access passageway having a first opening in communication with the interior volume of the motor case and a second opening in an external wall of the partition and wherein the first opening communicates with the combustion chamber. 2. The system of claim 1, wherein the at least one access passageway comprises a fuel tank access passageway, the fuel tank access passageway having a first opening in communication with the internal volume of the fuel tank and a second opening in an external wall of the partition. 3. The system of claim 1, wherein the partition comprises a bulkhead flange sandwiched between corresponding flanges of the motor case and the fuel tank. 4. The system of claim 3, wherein the bulkhead flange has an outwardly-facing sidewall and wherein the at least one access passageway has at least one external opening in the outwardly-facing sidewall of the bulkhead flange. 5. The system of claim 4, wherein the at least one access passageway has a plurality of openings in the outwardly facing sidewall. 6. The system of claim 1, further comprising an injector configured to inject fluid oxidizer from the fuel tank into the motor case, wherein the injector is entirely positioned within the fuel tank on a first side of the partition. 7. The system of claim 1, wherein at least one valve is positioned in the access passageway. 8. The system of claim 1, wherein the access passageway includes a removable plug. 9. A propulsion system, comprising: a hybrid rocket motor case having a proximal end and a distal end, the motor case defining an interior volume including a combustion chamber at the proximal end, wherein the motor case is configured to hold solid rocket fuel; a fuel tank coupled to the proximal end of the motor case, the fuel tank defining an internal volume configured to hold a fluid oxidizer; a partition interposed between the motor case and the fuel tank, the partition including means for providing exterior access to the interior volume of the motor case or the internal volume of the fuel tank while the hybrid rocket motor is coupled to the fuel tank wherein the partition comprises a bulkhead flange sandwiched between corresponding flanges of the motor case and the fuel tank and wherein at least one access passageway has a plurality of openings in an outwardly facing sidewall. 10. The system of claim 9, wherein the means for providing exterior access comprises at least one access passageway that extends through the partition. 11. The system of claim 9, further comprising an injector configured to inject fluid oxidizer from the fuel tank into the motor case, wherein the injector is entirely positioned within the fuel tank on a first side of the partition. 12. A propulsion system, comprising: a hybrid rocket motor case having a proximal end and a distal end, the motor case defining an interior volume including a combustion chamber at the proximal end, wherein the motor case is configured to hold solid rocket fuel; a fuel tank coupled to the proximal end of the motor case, the fuel tank defining an internal volume configured to hold a fluid oxidizer; a partition interposed between the motor case and the fuel tank, wherein at least one access passageway extends through the partition, the access passageway providing exterior access to the interior volume of the motor case or the internal volume of the fuel tank while the hybrid rocket motor is coupled to the fuel tank, wherein the partition comprises a bulkhead flange sandwiched between corresponding flanges of the motor case and the fuel tank and wherein the bulkhead flange has an outwardly-facing sidewall and wherein the at least one access passageway has at least one external opening in the outwardly-facing sidewall of the bulkhead flange. 13. A propulsion system, comprising: a hybrid rocket motor case having a proximal end and a distal end, the motor case defining an interior volume including a combustion chamber at the proximal end, wherein the motor case is configured to hold solid rocket fuel; a fuel tank coupled to the proximal end of the motor case, the fuel tank defining an internal volume configured to hold a fluid oxidizer; a partition interposed between the motor case and the fuel tank, wherein at least one access passageway extends through the partition, the access passageway providing exterior access to the interior volume of the motor case or the internal volume of the fuel tank while the hybrid rocket motor is coupled to the fuel tank, wherein at least one valve is positioned in the access passageway.
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이 특허에 인용된 특허 (24)
Holzman Allen L. (Cupertino CA), Constant thrust hybrid rocket motor.
Bradford Michael D. (4896 Kenneth Ave. Santa Maria CA 93455) Kniffen ; Jr. Roy J. (934 Sharon La. ; #1 Ventura CA 93001) McKinney Bevin C. (252 N. Crimea Ventura CA 93004), Hybrid rocket combustion enhancement.
Kline, Korey R.; Smith, Kevin W.; Schmidt, Eric E.; Bales, Thomas O., Hybrid rocket motor using a turbopump to pressurize a liquid propellant constituent.
Kevin W. Smith ; Theodore C. Slack, Jr. ; Korey R. Kline ; Thomas O. Bales, Jr., Propulsion system containing a mixed-phase propellant and a method for propelling an object with the same.
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