Multifunctional fairing for launch vehicle

By designing a multifunctional flow guiding device, and utilizing a combination of support base, stiffening grid and water spray cooling and noise reduction unit, the problems of large scale, high cost and safety risks of existing flow guiding devices are solved, and a compact, low-cost and safe flow guiding effect is achieved.

CN122192105APending Publication Date: 2026-06-12BEIJING INST OF SPACE LAUNCH TECH
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING INST OF SPACE LAUNCH TECH
Filing Date
2026-03-05
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Existing diversion devices are large in scale, costly, complex to construct, and pose safety risks, making them difficult to meet the needs of launch vehicle launches.

Method used

A multifunctional flow guiding device is designed, comprising a gas flow guiding unit and a water spray cooling and noise reduction unit. It adopts a support base, ribbed grid, flow guiding arc plate and mushroom nozzle to form a conical structure. Combined with the linear array nozzles and mushroom nozzle of the water spray cooling and noise reduction unit, it realizes the guiding and cooling of gas flow and noise reduction.

Benefits of technology

It achieves a compact structure, small footprint, low cost, and safe and reliable flow diversion function, reducing the equipment footprint, reducing infrastructure construction, improving maintenance convenience, avoiding the risk of personnel falling, and has good cooling and noise reduction effects.

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Abstract

The present application relates to a kind of multi-functional flow guide device of launch vehicle, including gas flow row guide unit and water jet cooling noise reduction unit, gas flow row guide unit includes support seat, rib lattice, flow guide arc plate and mushroom spray head, support seat is symmetrically provided with two, rib lattice is provided with two and is correspondingly fixed on two support seats, rib lattice includes two arc side plates, arc side plate is fixed with arc rib that is spaced apart between, flow guide arc plate is provided with two and is correspondingly fixed on two rib lattices, flow guide arc plate is equipped with spaced distribution line array water jet hole, mushroom spray head is side by side fixed with multiple between the upper end of two flow guide arc plates, water jet cooling noise reduction unit includes water accumulator, water accumulator is connected with pressure equalizing pipe on both sides by nozzle water supply pipe, pressure equalizing pipe is equipped with line array nozzle in line array water jet hole, water accumulator upper side is equipped with the nozzle water supply pipe connected with mushroom spray head.It has the advantages of compact structure, small scale, low manufacturing cost, strong function.
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