Patent ID: 6273403
Filing Date: 2001-08-14
Classification: F02M,Y10S

Abstract:
An improved performance carburetor comprising:a sculpted chamber comprising D-shaped configuration;a carburetion adjusting assembly;a carburetion gate adjusting channel;a manifold cover assembly;a needling fuel jet disposed within the chamber;a carburetor float assembly; andan engine idle tuning assembly;the carburetion adjusting assembly comprisinga throttling gate;a throttling cable disposed within a cable sheath so as to operably retract therein and effectually open the throttling gate;a coiled gate spring disposed to expand against and effectually close the throttling gate;a multiply beveled fuel flow interference needle; anda threaded adjusting block;is the throttling gate in turn comprisinga coil spring tunnel wherein the coil spring is disposed;a needle advancement and retraction threaded adjusting tunnel wherein the adjusting block is disposed;an idle tuning screw engagement groove comprising in turn a tuning screw impingement zone;the sculpted chamber further comprising an intake end and an effluxive end;the coil spring tunnel comprisingthrottling cable anchoring means; andan external port;the needle advancement and retraction adjusting tunnel comprisingan internal port; andan external port;the carburetion gate adjusting channel disposed to allow the throttling gate to slide therein to effectually closed disposition in response to gate spring expansion, thereby reducing cross sectional carburetor airflow access area, or to effectually open disposition in response to throttling cable operable retraction, thereby enlarging the area;the manifold cover assembly comprisinga manifold cover attached to overlie the gate sliding channel and comprising apertures aligned with the external ports of the needle advancement and retraction adjusting tunnel and the coil spring tunnel; anda throttling cable access nut comprisinga tubular interior to receive the throttling cable; andattachment means to anchor the throttling cable sheath;the multiply beveled fuel flow interference needle comprisinga multiply beveled projecting shank disposed in extension from the throttling gate's interior tunnel port; anda needle stop disposed within the needle advancement and retraction adjusting tunnel;the threaded adjusting block comprisingadjustable turning means disposed for operable access from the tunnel's external port; andspring loaded block lugs, each disposed upon operable adjustment of the threaded block to align with and become seated within a detent.