Patent Number: 6,167,857

Title: Timed tube induction system for improving the performance and efficiency of an internal combustion engine

Abstract: A timed tube induction system according to the present invention is located at the downstream side of the carburetor in fluid communication with an induction hose between the carburetor and the intake manifold of an internal combustion engine having an intake valve. A gas capture end of the tube is located adjacent the intake valve and attached to the intake manifold to capture the backflow combustion mixture gases when the intake valve closes. The backflow gases flow through the tube and are injected into the fuel-air mixture exiting the carburetor at an injector end of the tube. The injector end of the tube is mounted to the induction hose to provide an acute angle between gas flowing along the centerline of the tube and gas flowing along the centerline of the induction hose to increase the velocity of gas flowing toward the intake manifold. The tube is adjustable in length so that the pulsating air flow in the tube can be timed with the opening of the intake valve over a broad range of engine rpm.

Inventors: McCord; Ronald R. (Billings, MT)


International Classification: F02B 27/00 (20060101); F02M 35/104 (20060101); F02M 35/108 (20060101); F02M 35/10 (20060101); F02M 035/10 (); F02B 027/00 ()

Expiration Date: 01/02/2018