Reed valve (oil)

With elastic thin - reed as opening and closing element one-way valve, reed valve open and close with the crank Angle has no specific relation, only under the control of the reed gas forces on both sides to open and close is asymmetric, row crankcase piston on negative pressure, reed was crankcase pressure difference inside and outside the top open, intake valve opening;Piston downward, the gas pressure in the crankcase picks up, when the inlet force is smaller than a certain value, the internal and external pressure difference is less than the elastic reeds, reeds reed back seat, the intake valve is closed, the engine speed variation, intake momentum fluctuation, reed switch time also changes, reed valve to open early and close early, inlet impulse piston valve fully, and sooner or later the valve open and close to the crankshaft speed variation.

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