One-way valve

摘要: The utility model relates to an exhaust gas recycle system for the engine, in particular a single direction valve, which is characterized that composed of valve core cone form, small end sealed and big inlet, some outlets arranged at sides core, freely movable plate fixed outlet. beneficial effect pressure pulse fluctuation pipe utilized, through intercepting waste over air inlet part realized gas, generation NOx validly inhibited, EGR designed according different flow area can control EGR.