公开(公告)号：WO1997046831A1

公开(公告)日：1997-12-11

申请号：PCT/GB1997001499

申请日：1997-06-03

Applicant: AUTOFLAME ENGINEERING LTD. ,  KEMP, Brendan

Inventor： AUTOFLAME ENGINEERING LTD.

IPC: F23C07/00

CPC classification number: F23C7/008 ,  F23D11/408

Abstract: A burner head including a blast tube (3) and a device for controlling the air flow through the blast tube (3), the flow controlling device comprising a flow constrictor (11) which is alterable between a first configuration and a second configuration in which the flow constrictor (11) extends radially across an annular portion of the blast tube (3) to reduce the cross-sectional area in the blast tube (3) available for unobstructed air flow.

Abstract translation: 一种燃烧器头，包括鼓风管（3）和用于控制通过鼓风管（3）的气流的装置，所述流量控制装置包括流动压缩装置（11），其可在第一配置和第二配置之间改变，其中 流动收缩器（11）径向延伸穿过鼓风管（3）的环形部分，以减小可用于无障碍空气流动的鼓风管（3）中的横截面积。