Two-substance nozzle and method for spraying a liquid-gas mixture
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B05B-007/10
B05B-001/34
출원번호
US-0190826
(2014-02-26)
등록번호
US-9180471
(2015-11-10)
우선권정보
DE-10 2013 203 339 (2013-02-28)
발명자
/ 주소
Schlecht, Timo
Vater, Lars
Astfalk, Markus
출원인 / 주소
LECHLER GMBH
대리인 / 주소
Flynn, Thiel, Boutell & Tanis, P.C.
인용정보
피인용 횟수 :
2인용 특허 :
4
초록▼
A two-substance nozzle for spraying a liquid-gas mixture, including a nozzle housing including at least one liquid inlet leading into a mixing chamber and at least one gas inlet leading into the mixing chamber, a swirl insert, an outlet chamber between the swirl insert and an outlet opening on the d
A two-substance nozzle for spraying a liquid-gas mixture, including a nozzle housing including at least one liquid inlet leading into a mixing chamber and at least one gas inlet leading into the mixing chamber, a swirl insert, an outlet chamber between the swirl insert and an outlet opening on the downstream end of the outlet chamber, wherein a restrictor is provided on the downstream end of the mixing chamber and an intermediate chamber is provided between the restrictor and the swirl insert.
대표청구항▼
1. A two-substance nozzle for spraying a liquid-gas mixture, comprising a nozzle housing including at least one liquid inlet leading into a mixing chamber and at least one gas inlet leading into the mixing chamber, a swirl insert, an outlet chamber between the swirl insert and an outlet opening on t
1. A two-substance nozzle for spraying a liquid-gas mixture, comprising a nozzle housing including at least one liquid inlet leading into a mixing chamber and at least one gas inlet leading into the mixing chamber, a swirl insert, an outlet chamber between the swirl insert and an outlet opening on the downstream end of the outlet chamber, a restrictor on the downstream end of the mixing chamber, and an intermediate chamber between the restrictor and the swirl insert, wherein an outlet channel formed by the outlet opening is shorter than the mixing chamber, as viewed in an outflow direction, and wherein the mixing chamber has a central longitudinal axis, and the at least one liquid inlet leads into the mixing chamber approximately tangentially to an imaginary circle around the central longitudinal axis. 2. The two-substance nozzle according to claim 1, wherein the restrictor includes a perforated plate. 3. The two-substance nozzle according to claim 2, wherein the perforated plate has a plurality of through-holes, all of the plurality of through-holes being disposed adjacent a periphery of the perforated plate. 4. The two-substance nozzle according to claim 1, wherein the restrictor has an orifice including one single, central through-hole. 5. The two-substance nozzle according to claim 1, wherein the restrictor has at least one perforated plate including a plurality of through-holes disposed adjacent a periphery of the perforated plate and at least one orifice including one single, central through-hole. 6. The two-substance nozzle according to claim 5, wherein, as viewed in the outflow direction, the perforated plate is located upstream of the orifice. 7. The two-substance nozzle according to claim 6, wherein, as viewed in the outflow direction, the orifice is spaced from the perforated plate. 8. The two-substance nozzle according to claim 1, wherein the swirl insert includes a plurality of bores disposed in a peripheral zone of the swirl insert or grooves disposed on an outer circumference of the swirl insert, wherein the bores or grooves extend obliquely or helically relative to a central longitudinal axis of the outlet chamber. 9. The two-substance nozzle according to claim 1, wherein the swirl insert includes a stud protruding into the outflow direction and located in a central zone on a downstream side of the swirl insert. 10. The two-substance nozzle according to claim 9, wherein the stud is surrounded by a groove formed in the swirl insert. 11. The two-substance nozzle according to claim 1, wherein at least two liquid inlets are provided, each leading into the mixing chamber approximately tangentially to the imaginary circle around the central longitudinal axis, but in opposed directions relative to one another.
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이 특허에 인용된 특허 (4)
Vidusek Daniel A. (St. Charles IL), Air atomizing spray nozzle assembly.
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