ROCKET ENGINE EXPANDABLE NOZZLE Russian patent published in 2001 - IPC

Abstract RU 2175725 C1

FIELD: rocketry. SUBSTANCE: proposed expandable nozzle of rocket engine has stationary part adjustable tips, tip alignment mechanism and cylindrical shells inside each tip. Shields installed on cut of inner shell proper project inside nozzle passage, being provided with webs located between cylindrical shell and cylindrical guide belt of bell. Webs of shields and cylindrical shell are hinge-coupled in area of fixed bell cut. Slot is made in trunnion enclosing the joint to let shield get out of engagement with shell at turning of shield. Invention provides hot expansion of one tip or system of tips by means of automatically separated shields which guarantees designed gas-dynamic and inertia forces for positive setting of tips in operating position at minimum weight of tip control drive. EFFECT: improved operation reliability. 3 dwg

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RU 2 175 725 C1

Authors

Smol'Nikov V.V.

Sakov Ju.L.

Zykov G.A.

Bolotov A.A.

Suchenkov D.D.

Dates

2001-11-10—Published

2000-06-15—Filed