In order to realize wide width and high speed on air-jet loom, relay weft insertion must be adopted, and high-speed air flow must be supplemented by auxiliary nozzle to maintain the traction of air flow on weft yarn. The auxiliary nozzle is adopted on the air-jet loom with special-shaped reed to prevent air flow diffusion. It is separately installed in front of the special-shaped reed groove. After the air flow is output from the regulating valve, it enters the center of the air chamber of the solenoid valve. After the solenoid valve is opened, the air flow enters the inner cavity of the auxiliary nozzle through the hose and ejects the air flow.
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