Patent ID: 6928979

Claim:
A gas-economizing powerful engine speed increaser formed integral, positioned fixedly in an air intake tube connected with a front end of an air intake manifold of an engine, said engine speed increaser consisting of: an outer hollow circular tube to be fixed firmly in said air intake tube; an inner hollow circular tube fixed in a center portion of said outer hollow circular tube and having an outer diameter shorter than an inner diameter of said outer hollow circular tube; a plurality of twisted leaves positioned spaced apart equidistantly between said outer circular tube and said inner circular tube; wherein air sucked in an engine started and under operation and flowing through said air intake tube to become straight wind, said straight wind becoming a swirl wind by means of said twisted leaves and partly passing swiftly through the hollow interior of said inner circular tube as straight wind after flowing through said engine speed increaser, said swirl wind plus straight wind flowing into the combustion room of said engine.