Patent ID: 6814307
Filing Date: 2004-11-09
Classification: B05B

Abstract:
An atomizer spray plate for discharging fuel oil, comprising:a rear portion; a front portion; a whirl chamber extending from said rear portion to said front portion; said whirl chamber having a central longitudinal axis extending therethrough; said rear portion including a plurality of whirl slots extending radially inward from an outboard region of said rear portion to said whirl chamber; said whirl slots adapted to receive fuel oil at said outboard region and supply the fuel oil to said whirl chamber; and a discharge slot provided in said front portion for receiving the fuel oil from said whirl chamber; wherein said discharge slot comprises: (a) a cylindrical through-hole with a diameter d having a central longitudinal axis that is co-linear with said central longitudinal axis of said whirl chamber; and (b) at least three lobes equally spaced about the through-hole and oriented in a radial direction, each lobe having a semi-circular cross-section with radius r, said lobes extending approximately perpendicular to said central longitudinal axis of said cylindrical through-hole.