Patent ID: 8596040

Claim:
A rocket multi-nozzle grid assembly comprising: an insulator grid, the insulator grid includes a plurality of insulator orifices; a plurality of refractory nozzle fittings coupled along the insulator grid, each of the plurality of refractory nozzle fittings includes a fitting orifice; a grid support plate directly connecting to the plurality of refractory nozzle fittings and the insulator grid, the plurality of refractory nozzle fittings are interposed between the insulator grid and the grid support plate, and the grid support plate includes a plurality of plate orifices; and a plurality of nozzles, each of the plurality of nozzles includes one plate orifice of the plurality of plate orifices aligned with one insulator orifice of the plurality of insulator orifices and one fitting orifice of a refractory nozzle fitting of the plurality of refractory nozzle fittings, and each of the plurality of nozzles includes a tapered inlet surface formed by at least the insulator grid and one refractory nozzle fitting of the plurality of refractory nozzle fittings.