In a premixing burner (1) for a gas turbine or hot-gas generation for the combustion of liquid or gaseous fuel, in which fuel is mixed with combustion air (9a, 9b) in a burner interior (14), is fed to a combustion chamber (3) and is burnt in this combustion chamber (3), stabilization in the part-loa
In a premixing burner (1) for a gas turbine or hot-gas generation for the combustion of liquid or gaseous fuel, in which fuel is mixed with combustion air (9a, 9b) in a burner interior (14), is fed to a combustion chamber (3) and is burnt in this combustion chamber (3), stabilization in the part-load model is achieved in a simple and efficient way in that means (15) are provided which make it possible to recirculate hot exhaust gas (17) out of the combustion chamber (3) into the burner interior (14) and to stabilize the flame by means of selfignition processes. The means (15) are preferably a recirculation line which picks up hot exhaust gas (17) from the outer backflow zone (10) and feeds it to the burner interior (14) in the region of a burner tip (2) facing away from the combustion chamber (3), additional fuel (pilot fuel 21) being admixed with the exhaust gas (17) in the recirculation line upstream of the feed to the burner interior (14).
대표청구항▼
In a premixing burner (1) for a gas turbine or hot-gas generation for the combustion of liquid or gaseous fuel, in which fuel is mixed with combustion air (9a, 9b) in a burner interior (14), is fed to a combustion chamber (3) and is burnt in this combustion chamber (3), stabilization in the part-loa
In a premixing burner (1) for a gas turbine or hot-gas generation for the combustion of liquid or gaseous fuel, in which fuel is mixed with combustion air (9a, 9b) in a burner interior (14), is fed to a combustion chamber (3) and is burnt in this combustion chamber (3), stabilization in the part-load model is achieved in a simple and efficient way in that means (15) are provided which make it possible to recirculate hot exhaust gas (17) out of the combustion chamber (3) into the burner interior (14) and to stabilize the flame by means of selfignition processes. The means (15) are preferably a recirculation line which picks up hot exhaust gas (17) from the outer backflow zone (10) and feeds it to the burner interior (14) in the region of a burner tip (2) facing away from the combustion chamber (3), additional fuel (pilot fuel 21) being admixed with the exhaust gas (17) in the recirculation line upstream of the feed to the burner interior (14). ings engaging the idler shaft on opposite sides of the gear housing. 13. The pump of claim 11, wherein one end of the drive shaft extends through the front cover, the one end having a drive connection and a seal means at the one end for sealing the drive shaft at the front cover. 14. The pump of claim 11 wherein the drive shaft is rotatably retained within one of the bores by a pair of retaining rings engaging the drive shaft on opposite sides of the gear housing. 15. The pump of claim 7, wherein the housing has a first axial area internally of the housing and the second pressure acts upon the first axial area, the rear cover having a second axial area externally of the rear cover greater than the first axial area. 16. The pump of claim 7, wherein the inlet comprises an axially directed opening in the rear cover and the outlet comprises a radial passage in the rear cover. 17. The pump of claim 16, wherein the inlet is disposed coincident with the central axis. 18. The pump of claim 6, wherein the means for applying the second pressure to at least some of the pump components to hold the plurality of pump components together in the axially disposed relation without applying a separate clamping force to the components in a direction parallel to the housing axis comprises a plurality of pins extending through holes in the components. 19. The pump of claim 6, wherein the housing includes an external thread for threadably securing the pump in a cavity. 20. A hydraulic apparatus comprising a block including a cavity and a pressure clamped hydraulic gear pump in the cavity, the pressure clamped hydraulic gear pump having a housing clamped by hydraulic fluid pressure and defining a central axis, the pump further including a drive shaft extending along the central axis, the block further including an inlet channel and an outlet channel, the inlet channel communicating with the cavity and an inlet of the pump, and the outlet channel communicating with the cavity and an outlet of the pump. 21. The hydraulic apparatus of claim 20 wherein the pump further includes a plurality of pump components positioned in axially disposed relation to one another, pumping means located in the housing for drawing fluid into the inlet at a first pressure and pumping the fluid from the outlet at a second pressure greater than the first pressure, the drive shaft extending from the housing along the central axis being operatively connected to the pumping means for drawing fluid into the inlet at a first pressure and pumping the fluid from the outlet at a second pressure greater than the first pressure when the drive shaft is rotated about the central axis, the housing having a first internal axial area upon which the second pressure acts and a second external axial area greater than the first axial area; and the hydraulic apparatus further includes means for sealing the pump inlet and the inlet channel from the pump outlet and the outlet channel such that the second pressure acts upon the second axial area when the pump is operated and applies a clamping force to the housing components. 22. The hydraulic apparatus of claim 21 further comprising a motor connected to the drive shaft for rotating the drive shaft about the central axis. 23. The hydraulic apparatus of claim 20 further including means for aligning an output shaft of a motor with the drive shaft of the pump. 24. The hydraulic apparatus of claim 23 wherein the block includes the means for aligning the output shaft of the motor with the drive shaft of the pump. 25. The hydraulic apparatus of claim 24 wherein the motor includes a pilot disposed coincident with the drive shaft and the block includes a pilot recess disposed coincident with the cavity for receipt of the pilot. 26. The hydraulic apparatus of claim 21, wherein the pump components comprise a front cover, a rear cover and a pumping means housing disposed between the front and rear covers. 27. The hydraulic apparatus of claim 26, wherein t
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이 특허에 인용된 특허 (12)
Dobbeling Klaus,CHX ; Knopfel Hans Peter,CHX ; Winkler Dieter,DEX, Burner.
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