FIELD: engines and pumps.
SUBSTANCE: proposed test bench comprises nozzle case simulator and rear flange unloading device. The latter is arranged at nozzle case simulator and comprises different-diameter cylinders and two pistons with thrust engaged with the test bench load bearing floor. Cylinders and pistons are arranged one by one along the axis. Note here that both cylinders and pistons are interconnected. Smaller-diameter cylinder is engaged with nozzle case simulator. Smaller-diameter is elongated while seals are fitted at its lower cylindrical section. Smaller-diameter piston top cross-section perpendicular to its axis represents a circle with cut-outs at its edges. Note here that three points exist at arcs between said cut-outs that make the vertices of acute triangle.
EFFECT: higher test reliability.
5 dwg
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