[특허]Portable burner for fuel gas with two mixer tubes

[미국특허] Portable burner for fuel gas with two mixer tubes 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23D-011/36
출원번호	US-0812153 (1991-12-23)
우선권정보	DE-4100657 (1991-01-11)
발명자 / 주소	Jeppesen Palle L. (Sonderho DKX)
출원인 / 주소	Rothenberger Werkzeuge-Maschinen GmbH (Kelkheim/Ts DEX 03)
인용정보	피인용 횟수 : 30 인용 특허 : 0

초록 ▼

A portable burner (1) has a first (6) and a second mixer tube (18) for the delivery of primary and secondary air. To the first mixer tube belong an injector nozzle (2) for fuel gas and a spin producer (10). This first mixer tube (6) leads concentrically into the second mixer tube (18) larger in diameter, which has an inlet end (19) for the burner flame and aspiration points (20) for the secondary air. For the achievement of a thorough mixing of hot and cold gases and a low mixing temperature, between the outlet end (13) of the first mixer tube (6) and the inlet end (19) of the second mixer tube (18) there is disposed a filler body (16) filling the radial distance between the two tube ends and having a radial end face (21) from which the outlet end (13) of the first mixer tube (6) protrudes by a given amount “s.”The aspiration points (20) for the secondary air are disposed exclusively in the area of the outlet end (13) of the first mixer tube (6) and aimed radially at the nozzle axis (A－A). As a result the secondary air impinges vertically on the initial length of the burner flame. Furthermore the second mixer tube (18) has between the second aspiration points (20) and its outlet end (23) a closed circumferential portion (18a) whose length is at least three times the axial length of the second aspiration points (20).

대표청구항 ▼

Portable burner (1) comprising: a first injector nozzle (2) for fuel gas, which is disposed adjacent a first primary air aspiration point (4) at an entry end (5) of a first mixer tube (6), a spin producer (10), which is disposed in the first mixer tube at a distance in front of an outlet end (13) thereof forming a second nozzle with a nozzle axis, and a second mixture tube (18) whose internal cross section (F2) is greater than an internal cross section (F1) of the first mixer tube and is disposed concentrically with the outlet end of the first mixer tube directly producing a burner flame, has an entry end (19) for the burner flame and second aspiration points (20) for secondary air in the area of the outlet end (13) of the first mixer tube (6), and extends in the direction of flow all the way to an outlet end (23) of the second mixer tube, characterized in that a) between the outlet end (13) of the first mixer tube (6) and the inlet end (19) of the second mixer tube (18) a filler body (16) at least substantially filling the radial distance between the two tue ends is disposed with an end face (21) which extends substantially radially from the nozzle axis (A－A) and from which the outlet end (13) of the first mixer tube (6) forming the second nozzle protrudes by a given amount s, and that b) the second aspiration points (20) for the secondary air are disposed exclusively in the area of the outlet end (13) of the first mixer tube (6) and are aimed radially at the nozzle axis (A－A) such that the secondary air impinges substantially vertically onto the initial length of the burner flame running in the direction of the nozzle axis, and that the second mixer tube (18) has between the second aspiration points (20) and its outlet end (23) a closed circumferential portion (18a) whose length has at least three times the axial length of the second aspiration points (20).

이 특허를 인용한 특허 (30) 인용/피인용 타임라인 분석

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A	생활필수품
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[미국특허] Portable burner for fuel gas with two mixer tubes 원문보기

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[미국특허] Portable burner for fuel gas with two mixer tubes 원문보기

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