A variable orifice combustor unit 10 comprises an annular combustion chamber 12 extending about a central axis 14 and ending in a discharge nozzle 16. Charging of the chamber 12 takes place from combustion fuel and air supply chambers 18 and 20 via a fuel charging orifice array 22 and an air chargin
A variable orifice combustor unit 10 comprises an annular combustion chamber 12 extending about a central axis 14 and ending in a discharge nozzle 16. Charging of the chamber 12 takes place from combustion fuel and air supply chambers 18 and 20 via a fuel charging orifice array 22 and an air charging orifice array 24. The orifices 28.1, 28.2 of the orifice arrays 22, 24 are positioned and slanted at the same forward angle in the direction of the nozzle 16 to the effect of their central axes 38, 40 cutting along the longitudinal centre of the combustion chamber 12. The cross sectional sizes of the orifices 28 are adjustable by means of an orificed displaceably mounted cyndrically shaped covering body 44 for the fuel charging side and an orificed cylindrical body 58 for the air charging side both being displaceable in the direction of the axis 12.
대표청구항▼
The invention claimed is: 1. A combustor (10) employable for performing a mainly convection heating function in serving as thermo kinetic energiser comprising a combustion chamber (12) extending regularly about a central axis (14) and having an axially extending side wall (26, 64, 66) of which at l
The invention claimed is: 1. A combustor (10) employable for performing a mainly convection heating function in serving as thermo kinetic energiser comprising a combustion chamber (12) extending regularly about a central axis (14) and having an axially extending side wall (26, 64, 66) of which at least part of is formed with an array (22) of fuel charging orifices (28.1) and an array (24) of air charging orifices (28.2) each facing inwardly at a similar slanted angle to supply fuel and air into a common combustion zone along the combustion chamber (12) with the openings of the fuel charging orifices (28.1) standing in the side wall in an opposing relationship to those of the air charging orifices (28.2) to achieve an effective combustion reaction, a progressively constricted combusted medium discharge nozzle (16) at the discharge end for accelerating the discharge velocity of combusted medium, and a combustion fuel supply chamber (20) and air supply chamber (18) opening respectively into the fuel charging orifice array (22) and the air charging orifice array (24) each being connected to a cooperating fuel supply orifice array (50) and an air supply orifice array (60) of the relevant medium, whether fuel or air, while the combustion chamber (12) is exposable to igniting means (34) for igniting a combustible mixture once the combustor is in use; said combustor further characterised in that the effective cross sectional orifice area of the plurality of cooperating orifices (28) of the orifice arrays (22, 24) is adjusted by means of an adjustment mechanism (30, 44, 46, 48, 58, 68, 70, 76) including a slideable cover (58, 30) disposed intermediate the side wall (26, 64, 66) of the combustion chamber (12) and at least one of the fuel supply chamber (20) and air supply chamber (18), said cover formed with an array of fuel supply orifices and an array of air supply orifices, said orifices having an array pattern similar to the respective combustion chamber fuel and air supply arrays, whereby slidably adjusting the extent of the overlap of the respective orifice arrays of the appropriate medium charging orifice array (22, 24) though the independent adjustment of the fuel or air supply cover arrays in the relevant cover. 2. A combustor as claimed in claim 1 in which the individual orifices (28) of the arrays (22, 24) are positioned and aimed to result in the central axes (40) of at least the majority of air charging orifices (28.2) crossing the central axes (38) of corresponding fuel charging orifices (28.1) along the longitudinal centre (14, 42) of the combustion chamber (12) that in the appropriate case corresponds with its the central axis (14). 3. A combustor as claimed in claim 2 in which the medium charging orifice arrays (22,24) each has an equal number of orifices (28). 4. A combustor as claimed in claim 3 in which the orifices (28) of the arrays (22,24) are regularly spaced. 5. A combustor as claimed in claim 4 in which the orifices (28) of the arrays (22, 24) are spaced in rows and columns. 6. A combustor as claimed in claim 1 in which at least substantially all the orifices (28) are slanted at the same angle relative to the longitudinal centre (14, 42) of the combustion chamber (12) in the discharge direction of the burner. 7. A combustor as claimed in claim 6 in which the adjustment mechanism (30, 44, 46, 48, 58, 68, 70, 76) includes covering means (30, 44, 58, 68, 70) for the at least one adjustable medium charging orifice array (22, 24) formed with a covering means orifice array (32, 72, 74) matching that of the medium charging orifice array (22, 24) it adjustably co-acts with in response to the relative parallel displacement of the covering means and the medium charging array presenting walls (26, 64, 66) of the combustion chamber (12), as lying snugly against one another, between conditions of at least extensive orifice registration-and constricted orifice registration thereby to adjust the flow of relevant medium into the combustion chamber during use of the combustor. 8. A combustor as claimed in claim 7 in which the combustion chamber (12) is constituted to cause the medium charging orifice arrays (22, 24) to face one another. 9. A combustor as claimed in claim 8 in which the combustion chamber (12) is annularly formed about a centrally extending medium charging chamber (20) along which the central axis (12) extends resulting in its longitudinal centre (42) extending centrally annularly within the combustion chamber (12) causing the medium charging orifice arrays (22, 24) to extend along the facing circumferential walls (26.1, 26.2) defining the longitudinal inner and outer side walls of the chamber with the inner end of the chamber being appropriately blanked off. 10. A combustor as claimed in claim 9 in which the orifice size of the at least one medium charging array (22, 24) is adjustable in response to the covering means (30), as in the form of a cylindrically shaped covering body (30, 44, 58), being mounted to be slidably displaced along the surface of the relevant combustion chamber defining wall (26) remote from the combustion chamber, whether within the centrally extending medium charging chamber (20) or along the outside of the outer longitudinally extending combustion chamber encompassing wall (26.2). 11. A combustor as claimed in claim 10 in which the covering body (44, 58) is mounted to be controllably displaced in the direction of the central axis (14) of the burner. 12. A combustor as claimed in claim 11 of which both medium charging orifice arrays (22, 24) are adjustable via appropriately orificed cylindrically shaped covering bodies (44, 58). 13. A combustor as claimed in claim 9 in which the combustion fuel and air supply disposition (18, 20) is in the form of appropriately replenishable charging chambers the one extending within the inside longitudinal wall (26.1) and the other along the outside wall (26.2) of the combustion chamber. 14. A combustor as claimed in claim 13 in which the fuel charging chamber (20) is situated within the combustion chamber (12) and the air charging chamber (18) along its outside. 15. A combustor as claimed in claim 8 in which the combustion chamber (12), as appropriately blanked off at its inner end, extend s along the central axis (14) as thus defining its longitudinal centre (42), the adjustment mechanism (30, 44, 68, 70, 76) when in the form of covering means that adjustably co-acts with the at least one medium charging orifice array (22, 24) in adjusting its orifice size, being slidably mounted to the outside surface of the appropriate longitudinal wall (26, 64, 66) of the combustion chamber (12). 16. A combustor as claimed in claim 15 in which the combustion fuel and air supply disposition (18, 20) is in the form of appropriately replenishable charging chambers extending alongside the appropriate side walls (64, 66) of the combustion chamber. 17. A combustor as claimed in claim 15 in which the combustion chamber (12) is formed with planar side walls of which at least some are formed with medium charging orifices (28). 18. A combustor as claimed in claim 17 in which the covering means (30, 68, 70) is in the form of at least one orificed covering plate (68, 70) mounted to be displaced between stops in the direction of the central axis (14) of the combustion chamber. 19. A combustor as claimed in claim 17 in which the combustion chamber (12) is rectangularly shaped. 20. A combustor as claimed in claim 18 in which two facing side walls (68, 70) of the combustion chamber are formed with medium charging orifices (28), the one thus with the air and the other with the fuel charging orifices. 21. A combustor as claimed in any one of claim 18 of which both the air and fuel charging orifice arrays (28.1, 28.2) are adjustable via appropriately orifice covering plates (68, 70).
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (11)
Genevey Jacques (Echirolles FRX) Vincendon Jean (Grenoble FRX), Adjustable loss-of-head valve.
Compton William A. (San Diego CA) Duffy Thomas E. (San Diego CA) LeCren Richard T. (San Diego CA) Shekleton Jack R. (San Diego CA), Low emission burners and control systems therefor.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.