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    • 1. 发明申请
    • METHOD AND APPARATUS FOR CLEANING A TURBOFAN GAS TURBINE ENGINE
    • 清洁涡轮发动机涡轮发动机的方法和装置
    • WO2005077554A1
    • 2005-08-25
    • PCT/SE2004/000194
    • 2004-02-16
    • GAS TURBINE EFFICIENCY ABHJERPE, Carl-JohanASPLUND, Peter
    • HJERPE, Carl-JohanASPLUND, Peter
    • B08B3/02
    • B08B9/00B08B3/02F01D25/002F02K3/06F04D29/705
    • Device for cleaning a gas turbine engine (2), and in particular an engine of turbofan type. The present invention further relates to a method for cleaning such a engine. The device comprises a plurality of nozzles (31, 33, 35) arranged to atomize cleaning liquid in the air stream in an air inlet (20) of the engine (2) up-stream of a fan (25) of the engine (2). According to the invention a first nozzle (31) is arranged at a position such that the cleaning liquid emanating from the first nozzle (31) impinges the surfaces of the blades (40) substantially on the pressure side (53); a second nozzle (35) is arranged at a position such that the cleaning liquid emanating from the second nozzle (35) impinges the surfaces of the blades (40) substantially on the suction side (54); and a third nozzle (33) is arranged at a position such that the cleaning liquid emanating from the third nozzle (33) passes substantially between the blades (40) and enters an inlet (23) of the core engine (203). Thereby, the different types of fouling found on the fan and in the core engine compressor of turbofan engine can be removed in an efficient manner.(Fig. 3).
    • 用于清洁燃气涡轮发动机(2),特别是涡轮风扇发动机的装置。 本发明还涉及清洁这种发动机的方法。 该装置包括多个喷嘴(31,33,35),其布置成将发动机(2)的发动机(2)的风扇(25)的上游的空气入口(20)中的空气流中的清洁液体雾化 )。 根据本发明,第一喷嘴(31)被布置在使得从第一喷嘴(31)发出的清洁液体基本上撞击在压力侧(53)上的叶片(40)的表面的位置; 第二喷嘴(35)布置在使得从第二喷嘴(35)发出的清洁液体基本上撞击吸力侧(54)的位置上冲击叶片(40)的表面的位置; 并且第三喷嘴(33)布置在使得从所述第三喷嘴(33)发出的清洁液体基本上在所述叶片(40)之间穿过并进入所述核心发动机(203)的入口(23)的位置处。 因此,可以以有效的方式去除风扇和涡轮风扇发动机的核心发动机压缩机中发现的不同类型的污垢(图3)。
    • 2. 发明申请
    • NOZZLE AND METHOD FOR WASHING GAS TURBINE COMPRESSORS
    • 用于洗涤气体涡轮压缩机的喷嘴和方法
    • WO2005028119A1
    • 2005-03-31
    • PCT/SE2004/001370
    • 2004-09-24
    • GAS TURBINE EFFICIENCY ABASPLUND, PeterHJERPE, Carl-Johan
    • ASPLUND, PeterHJERPE, Carl-Johan
    • B05B07/08
    • F01D25/002B08B3/02B08B9/00
    • A nozzle (54) for cleaning a gas turbine unit (1) during operation. The invention further relates to a method for washing a gas turbine unit (1) during operation. The nozzle (54) is arranged to atomize a wash liquid in the air stream in an air intake (2) of the gas turbine unit (1) and comprises a nozzle body (40) comprising an intake end (41) for intake of said wash liquid and outlet end (55) for exit of said wash liquid. The nozzle further comprises a number of orifices (42, 46; 42, 46, 60) that are connected to the outlet end (55) and respective orifice (42, 46; 42, 46, 60) is arranged at a suitable distance from a centre axis (49) of said nozzle body (40), whereby the local density of the injected wash liquid in a desired area can be increased with preserved droplet size and thereby the efficiency of the cleaning process can be significantly improved at the same time as the risk for damaging the components in the gas turbine unit is significantly reduced.
    • 一种用于在操作期间清洁燃气轮机单元(1)的喷嘴(54)。 本发明还涉及一种在操作期间清洗燃气轮机单元(1)的方法。 喷嘴(54)布置成雾化燃气轮机单元(1)的进气口(2)中的空气流中的洗涤液体,并且包括喷嘴体(40),其包括用于吸入所述气体 洗涤液体和出口端(55),用于所述洗涤液体的出口。 喷嘴还包括多个连接到出口端(55)的孔口(42,46,42,66,60),并且相应的孔口(42,46,42,66,60)以适当的距离 所述喷嘴体(40)的中心轴线(49),由此可以在保持的液滴尺寸的情况下增加所需区域中注入的洗涤液体的局部密度,从而可以显着提高清洁过程的效率 因为损害燃气轮机组件中的部件的风险显着降低。
    • 5. 发明申请
    • A METHOD FOR CLEANING A STATIONARY GAS TURBINE UNIT DURING OPERATION
    • 一种在运行期间清洁静态气体涡轮机组的方法
    • WO2004055334A1
    • 2004-07-01
    • PCT/SE2003/001674
    • 2003-10-29
    • GAS TURBINE EFFICIENCY ABASPLUND, PeterHJERPE, Carl-Johan
    • ASPLUND, PeterHJERPE, Carl-Johan
    • F01D25/00
    • B08B9/00B08B3/02F01D25/002F04D29/705
    • A method for cleaning a stationary gas turbine unit during operation, said unit comprising a turbine, a compressor (16) driven by the turbine, having an inlet (E), an air inlet duct arranged upstream of the air inlet of the compressor, the inlet duct having a part (15) of the duct adjoining the inlet of the compressor and having decreasing cross section in the flow direction in order to give the air flow a final velocity at the inlet (E) to the compressor (16), a spray of cleaning fluid being introduced in the inlet duct (15). The cleaning fluid is forced through a spray nozzle (32) with a pressure drop exceeding 120 bar to form a spray the drops of which have a mean size that is less than 150 μm, the spray being directed substantially parallel to and in the same direction as the direction of the air flow. The spray is introduced at a position (23) in the duct section (16) where the air velocity is at least 40 per cent of the final velocity at the compressor inlet (E), so that the drops of the liquid spray are caused to acquire a slip ratio of at least 0.8 at the compressor inlet (E).
    • 一种用于在运行期间清洁固定式燃气轮机单元的方法,所述单元包括涡轮机,由涡轮机驱动的压缩机(16),具有入口(E),布置在压缩机空气入口上游的进气管道, 入口管道具有邻近压缩机入口的管道的一部分(15),并且在流动方向上具有减小的横截面,以使得空气流在入口(E)处到达压缩机(16)的最终速度, 清洁流体的喷射被引入入口管道(15)中。 清洁流体被迫通过压降超过120巴的喷嘴(32),以形成平均尺寸小于150μm的喷雾,喷雾基本平行于和相同方向 作为气流的方向。 喷雾被引入管道部分(16)中的空气速度为压缩机入口(E)的最终速度的至少40%的位置(23),使得液体喷雾液滴 在压缩机入口(E)获得至少0.8的滑移率。
    • 8. 发明申请
    • SYSTEM FOR CONTROL OF A GEARBOX
    • 齿轮箱控制系统
    • WO2011031222A1
    • 2011-03-17
    • PCT/SE2010/050964
    • 2010-09-10
    • SCANIA CV ABSWARTLING, FredrikASPLUND, PeterÖUN, Mikael
    • SWARTLING, FredrikASPLUND, PeterÖUN, Mikael
    • F16H59/44F16H59/48F16H61/02
    • F16H61/0213F16H59/44F16H59/48F16H2306/14Y10T477/6414Y10T477/688Y10T477/692
    • The present invention relates to a system for control of a gearbox, comprising at least one control unit adapted to controlling said gearbox, where said gearbox is installed in a motor vehicle which comprises an engine connected to, in order to drive, said gearbox, which system is adapted to: effecting a first upshift from a first gear to a second gear if the acceleration a for said vehicle is greater than nil for said second gear and the current engine speed is within a first engine speed range; and effecting a second upshift from said first gear to a third gear if the current engine speed is within a second engine speed range, said first speed range being a lower speed range than said second speed range of said engine. The invention relates also to a method, a motor vehicle, a computer programme and a computer programme product thereof.
    • 本发明涉及一种用于控制齿轮箱的系统,其包括适于控制所述变速箱的至少一个控制单元,其中所述变速箱安装在机动车辆中,该机动车辆包括连接到所述变速箱以驱动所述变速箱的发动机, 如果所述车辆的加速度a对于所述第二档位大于零,并且当前发动机转速在第一发动机转速范围内,则系统适于:实现从第一档位到第二档位的第一升档; 并且如果当前的发动机转速在第二发动机转速范围内,则进行从所述第一档位到第三档的第二升档,所述第一速度范围是比所述发动机的所述第二速度范围低的速度范围。 本发明还涉及一种方法,机动车辆,计算机程序及其计算机程序产品。