Sierra Nevada has patented a vortex hybrid motor with a unique design featuring a housing, injector ring, and solid propellant. The motor utilizes angled injector units to atomize liquid propellant and create a swirl flow for efficient propulsion. GlobalData’s report on Sierra Nevada gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on Sierra Nevada, IoT network security was a key innovation area identified from patents. Sierra Nevada's grant share as of April 2024 was 54%. Grant share is based on the ratio of number of grants to total number of patents.
Vortex hybrid motor with angled injectors and solid propellant
A recently granted patent (Publication Number: US11952967B2) discloses a vortex hybrid motor designed to propel the motor efficiently. The motor comprises a combustion chamber housing with an injector ring positioned at the proximal end. The injector ring includes angled injector units that dispense liquid propellant streams to collide and atomize, forming a spray fan formation. The atomized liquid propellant reacts with a solid propellant in the chamber to create thrust. The design includes alternating angled injector units along the injector ring to optimize the atomization process and create a swirl flow within the combustion chamber.
Furthermore, the patent details a method for operating the vortex hybrid motor, involving the delivery of liquid propellant streams from multiple injectors along the injector ring. The streams collide at impingement points to atomize and form spray fan formations. The method includes controlling the injection angles to create a swirl flow within the combustion zone, optimizing the reaction with the fuel core. The design ensures efficient propulsion by dispersing the spray fan formations within the combustion zone. The method highlights the importance of injector placement and atomization to enhance the motor's performance and achieve the desired thrust for propulsion.
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