TH77653A - Methods and equipment for cleaning gas turbofan engines - Google Patents

Abstract

DC60 (14/12/55) Gas turbine engine cleaning equipment (2) Especially the engines. Turbo fan model The invention consists of the aforementioned engine cleaning methods. This invention will consist of a number of nozzles (31, 33, 35) positioned to create The cleaning fluid is frayed in the air stream in the engine air inlet (20) (2) above the engine fan (25) (2). The first nozzle (31) will be placed. Is positioned in such a way that The cleaning fluid coming from the first nozzle (31) hits the surface of the impeller (40) on the compression side (53) and the second nozzle (35) is positioned so that That the cleaning fluid coming from the second nozzle (35) will hit the surface of the impeller (40) on the suction side (54) and the third nozzle (33) will be positioned so that Cleaning liquid Coming from the third nozzle (33) passes between the blades (40) and enters the inlet port (23) of the engine core (203). Built on the fan and in the compressor of The engine core of a turbofan engine is effectively eliminated. Gas turbine engine cleaning equipment (2), especially one Turbo fan model The invention consists of the aforementioned engine cleaning methods. Equipment according to this invention will consist of A number of nozzles (31, 33, 35) that have been positioned to make The cleaning fluid is frayed in the air stream in the engine air inlet (20) (2) above the engine fan (25) (2). The first nozzle (31) will be placed. Is positioned in such a way that The cleaning fluid coming from the first nozzle (31) hits the surface of the impeller (40) on the compression side (53) and the second nozzle (35) is positioned so that That the cleaning fluid coming from the second nozzle (35) will hit the surface of the impeller (40) on the suction side (54) and the third nozzle (33) will be positioned so that Cleaning liquid Coming from the third nozzle (33) passes between the blades (40) and enters the inlet port (23) of the engine core (203). Built on the fan and in the compressor of The engine core of a turbofan engine is effectively eliminated.

Claims (8)

Disclaimer (all) which will not appear on the advertisement page: 1. Gas turbine engine cleaning equipment (2) where the engine (2) will consist of at least one engine shaft (24, 29), fan. (25) which is positioned to rotate on the first shaft (24) where this fan (25) will be composed in the fan's fan. Of a number of (40) fans mounted on the central axis And protrudes in the radial direction significantly Each blade has a compression side (53) and a suction side (54) and an engine core (203) that contains A set of compressors (27) and a turbine (26, 28) to drive the aforementioned compressor unit (27) and such a fan (25) where it will consist of A number of nozzles (31, 33, 35) are lined up to fray the cleaning liquid. In the air stream in the air inlet (20) of the engine (2) at the source of the fan flow (25), there is a characteristic that The first injector (31) is placed in a position relative to the center line (400) of the aforementioned engine (2) (2) over the fan (25) and is positioned in such a way that It is important that the cleaning fluid coming from the first nozzle (31) will hit the fault of the aforementioned impeller (40) on the compression side (53), the second nozzle (35), which is provided. It is located at one position relative to the aforementioned center line (400) of the engine (2), the said fan flow source (25) and is provided. In such a way that the cleaning fluid coming from the second nozzle (35) will significantly hit the surface of the aforementioned impeller (40) on the suction side (54), and the third nozzle (33). It is provided at a certain position relative to the aforementioned center line (400) of the engine (2), the flow source of the said (25), and will be prepared. In such a way that The cleaning fluid coming from the said third (33) nozzle passes significantly between the said blades (40). And will go into the inlet (23) of the engine core (203) thereof. 2. Equipment as specified in Clause 1, which has the characteristics that the first (31) head and nozzle. The aforementioned second nozzle (35) is provided so that the cleaning fluid coming from the first (31) nozzle and the said second (35) nozzle, respectively, form a spray. Throws (32) where, while hitting the propeller (40), it has a width (75,76) according to its ninth parallel. It is important to the protrusion along the radius of the fan (40) of the fan (25), which is equal to The length of the front edge (41) of the aforementioned propeller (40) is significant 3. the equipment specified in Clause 1 or 2, where the inlet (23) of the said engine axis (203 ) These are limited by the sample (45) on one side and on the opposite side. With the convex pointing up (46) above the middle thereof Where it is characterized by that the aforementioned third nozzle (33) is provided so that the cleaning fluid coming from the third nozzle (33) forms a spraying fluid (34) where At the aforementioned inputs (23), it will have the width (47,48) along the parallel lines. It is important to the protrusion along the radius of the fan (40) of the fan (25), that is equal The distance between the above (45) and the protruding portion (46) above the said middle. Is very important. 4. Equipment as stated in any of the above claims. Where there is a characteristic that The first (31) injector is provided at the first (X) contact angle relative to the aforementioned centerline (400) of the engine (2) and / or the second (35) injector. The second (Z) contact angle (400) of the aforementioned engine (2) and / or the aforementioned third (33) injectors will be provided at. The third contact angle (Y) is relative to the aforementioned center line (400) of the aforementioned (2) engine. 5. Equipment specified in claim 4, where it has the characteristics that The first contact angle (X) as mentioned in the good shape is wider than 40 degrees and in the better shape it is wider than 60 degrees and less than 80 degrees. Specified in Clause 4, where it is unique that The second contact angle (Z), in good shape, is wider than -20 degrees and less than 20 degrees and in better shape. It is essentially the center of the degree. 7. The equipment specified in Clause 4, which has the characteristics that The third contact angle (Y), as mentioned in the good shape, is wider than 20 degrees and in better shape it is wider than 25 degrees and less than 30 degrees. As specified in any of the above claims Where there is a characteristic that The first (31) nozzles, the second (35), and each (33) three nozzles will be Arrange it in the direction in the direction of the front edge (41) of the fan (25) more than 100 mm, and in the better shape it is in. The point at which the flow point of the front edge (41) of the fan (25) is greater than 500 mm and less than 1000 mm. 9. Equipment as specified in any of the above claims. Where there is a characteristic that The first (31) nozzles, the second (35), and each (33) three nozzles will be Prepare to be positioned in the radial direction at a point less than the diameter of the fan (25) and greater than the diameter of the said center of the fan (25) as mentioned. Clean gas turbine engines (2) where engine (2) will include at least one engine shaft (24,29), fan (25) provided to rotate. On the first shaft (24) where the fan (25) is composed of a number of fan blades (40) mounted on the center, protruding in the radial direction is significant. Each blade has a compression side (53) and a suction side (54) and an engine (203) that includes a compressor unit (27) and a turbine (26,28) for driving the compressor unit (27 ) And the aforementioned fans (25), where a number of nozzles (31,33,35) were provided to fray the cleaning liquid in The air inlet (20) of the engine (2) is located at the source of the fan flow (25), where there is a characteristic that it consists of a process. It is important to use the cleaning fluid coming from the first nozzle (31) onto the compressed side (53). It is important to use the cleaning fluid coming from the second nozzle (35) onto the suction side (54) and the cleaning fluid coming from the third nozzle (33) out in such a way that The cleaning fluid passes between the said impellers (40) and goes into the inlet (23) of the engine (203) 1. 1.The method described in Clause 10, which is characterized by that, consists of the process of creating a spray bottle (32) of the cleaning fluid coming from the first nozzle (31) as follows: This second nozzle, respectively, where, while hitting the aforementioned front edge (41), the width (75,76) is parallel to the part that goes out accordingly. The radius of the impeller (40) of the fan (25) is significantly equal to the length of the front edge (41) of the impeller (40). 2. The method specified in Clause 10 or 11, whereby the aforementioned inlet of the aforementioned engine (203) is limited on one side with exceptions (45) and upper. The opposite side too The convex point (46) above the middle. Where the peculiarities that contain procedures of Creating a spray bottle (34) of the cleaning fluid coming out of the aforementioned third nozzle (33) where the inlet is wide (47,48) throughout. That is parallel to the section The protrusion follows the radius of the impeller (40) of the fan (25) that is equal to the distance between the above (45) and the protruding part (46) above it. The medium is as important as 1 3. Method as described in any of Claim 10-12. Where there is a characteristic that Consists of the steps of The cleaning fluid is delivered from the first (31) injectors at the first (X) contact angle relative to the aforementioned centerline (400) of the engine (2) and / or the cleaning fluid delivery. From the aforementioned second (35) injectors where the second (Z) contact angle is relative to the aforementioned centerline (400) of the aforementioned engine (2) and / or the delivery of cleaning fluid coming from the nozzle. The third (33) said at the third contact angle (Y) relative to the aforementioned center line (400) of the aforementioned engine (2) 1. 4. The method specified in Clause 13, which is characterized by that the first (X) tangent angle, in a good shape, is wider than 40 degrees and in the figure. The better one is wider than 60 degrees and less than 80 degrees 1 5. The method specified in Clause 13, which is characterized by that the second angle of contact (Z), in a good shape, is wider than -20 degrees and less. 20 degrees and in better shape Will be essentially zero degrees 1 6. The method specified in Clause 13, which is characterized by that the third (Y) angle of contact, in the fine form, is wider than 20 degrees and in the figure. The better one is wider than 25 degrees and less than 30 degrees 1 7.Method as specified in Clause 10-16, any one of the above. Unique place In the process of preparing the first (31) nozzle, the aforementioned second (35) nozzle and the aforementioned third (33) nozzle, each. In a good shape, it is placed in a directional point. The flow source of the front edge (41) of the fan (25) is more than 100 mm and in the shape of the fan. Better yet, it is in the front edge (41) of the fan (25) more than 500mm and less than 1000mm1. 8.Method as described in Clause 10-17, any one of the above. Where there are specific characteristics In the process of preparing the first (31) nozzles, the aforementioned second (35) nozzles and the aforementioned third (33) nozzles, each in the address position. In the direction according to the radius At a point less than the diameter of the fan (25) and greater than the diameter of the said center of the fan (25).