Patent ID: 7226285
Filing Date: 2007-06-05
Classification: F23D,F23K,F23Q

Abstract:
1. A gas flowrate control device used in a gas burner for turning a flame adjustment wheel of said gas burner to control the output of gas, the gas flowrate control device comprising: a control wheel, said control wheel comprising an internal gear meshed with said flame adjustment wheel of said gas burner, a big gear surrounding said internal gear, and two small gears respectively formed integral with two sides of said big gear and surrounding said internal gear; and a handle, said handle comprising a grip and two arched clamping arms symmetrically extending from said grip and clamped on said control wheel, each said arched clamping arm comprising an upper arm portion, a lower arm portion, and a crevice defined between said upper arm portion and said lower arm portion for accommodating said big gear, said upper arm portion and said lower arm portion each having a series of teeth for engaging said small gears and a thickness corresponding to the height of each said small gear.