Choke专利检索-火焰稳定器燃烧器和锅炉专利检索查询-专利查询网

Choke

阅读：671发布：2021-02-01

专利汇可以提供Choke专利检索，专利查询，专利分析的服务。并且A choke for the burner head in an oil-fired unit, comprising a cylindrical support adapted to fit over the orifice of an airsupply pipe, a flame-stabilizer funnel extending from the external rim of said support obliquely inwards, which stabilizer funnel, at its internal end, supports a turbulence-producing device having inclined blades and a central opening for an oil jet, the portion of the flame-stabilizer funnel which is adjacent to the support having an arcuate cross-sectional form whose tangent at the point of contact with the support makes an acute angle with said support, the flame-stabilizer funnel having a series of openings axially spaced from the turbulence-producing device and whose inner edges are offset radially outwards so that air jets passing through the openings are directed obliquely inwards.，下面是Choke专利的具体信息内容。

权利要求

1. A choke for the burner head in an oil-fired unit, comprising a cylindrical support adapted to fit over the orifice of an airsupply pipe, a flame-stabilizer funnel extending from the external rim of said support obliquely inwards, which stabilizer funnel, at its internal end, supports a turbulence-producing device having inclined blades and a central opening for an oil jet, the portion of the flame-stabilizer funnel which is adjacent to the support having an arcuate cross-sectional form whose tangent at the point of contact with the support makes an acute angle with said support, the flame-stabilizer funnel having a series of openings axially spaced from the turbulence-producing device and whose inner edges are offset radially outwards so that air jets passing through the openings are directed obliquely inwards both axially and radially and towards said central opening for the oil jet.

2. A choke as claimed in claim 1 in which said openings are circular and are uniformly distributed around the flame-stabilizer funnel.

3. A choke as claimed in claim 1, in which the axial length of the flame-stabilizer funnel is between 40 and 50 percent of its external diameter.

4. A choke as claimed in claim 3 in which the axial length of the flame-stabilizer funnel is 45 percent of its external diameter.

5. A choke as claimed in claim 1 in which the tangent at the junction of the arcuate section of the flame-stabilizer funnel with the support makes an angle of 45* to 65* with said support.

6. A choke as claimed in claim 5 in which said angle is 55*.

7. A choke as claimed in claim 1 in which the flame-stabilizer funnel comprises said portion adjacent to the support a cylindrical portion integral with said portion adjacent to the support, and a conical portion integral with said cylindrical portion and supporting said turbulence-producing device.

8. A choke as claimed in claim 7 in which the cylindrical portion has a length substantially the same as that of the said portion adjacent to the support.

9. A choke as claimed in claim 7 in which said openings are arranged in the portion adjacent to the support immediately next to where said portion merges into the cylindrical portion.

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