System for washing an aero gas turbine engine
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B08B-003/12
B08B-006/00
B08B-003/04
B08B-009/00
B08B-007/00
A47L-003/00
A47L-011/00
A47L-023/00
D06F-015/00
D06F-037/00
D06F-039/00
출원번호
US-0629509
(2005-06-08)
등록번호
US-8479754
(2013-07-09)
우선권정보
WO-PCT/SE2004/000922 (2004-06-14)
국제출원번호
PCT/EP2005/052643
(2005-06-08)
§371/§102 date
20070314
(20070314)
국제공개번호
WO2005/120953
(2005-12-22)
발명자
/ 주소
Hjerpe, Carl-Johan
출원인 / 주소
EcoServices, LLC
대리인 / 주소
Kinney & Lange, P.A.
인용정보
피인용 횟수 :
12인용 특허 :
76
초록▼
System for washing a gas turbine engine (1). The system comprises a spray device (33; 90) including at least one nozzle (54) adapted to inject liquid into an inlet (110) of said engine during a washing operation; a wash unit (31, 35) adapted to distribute said liquid to said spray device (33; 90); a
System for washing a gas turbine engine (1). The system comprises a spray device (33; 90) including at least one nozzle (54) adapted to inject liquid into an inlet (110) of said engine during a washing operation; a wash unit (31, 35) adapted to distribute said liquid to said spray device (33; 90); and a positioning device (34) adapted to move said spray device in three dimensions, thereby enabling a positioning of said spray device in a washing operation position in said three dimensions relative said engine inlet (110) without any contact between the spray device (33; 90) and the engine (1). The invention further relates to a vehicle for making the inventive system mobile and to a mobile system for serving a gas turbine engine (1) comprising a mobile vehicle carrying the washing system and a liquid collecting unit (116) comprising a collecting device (114) adapted to collect waste wash liquid emanating from the engine during a washing operation of the engine.
대표청구항▼
1. A washing system for washing a gas turbine engine, said washing system being arranged on a mobile vehicle and comprising: a spray device including at least one nozzle attached to a nozzle carrying body adapted to a streamline inject liquid directly into an inlet of said engine during a washing op
1. A washing system for washing a gas turbine engine, said washing system being arranged on a mobile vehicle and comprising: a spray device including at least one nozzle attached to a nozzle carrying body adapted to a streamline inject liquid directly into an inlet of said engine during a washing operation;a wash unit adapted to distribute said liquid to said spray device;a positioning device adapted to move said spray device in three dimensions, thereby enabling a positioning of said spray device in a washing operation position in said three dimensions relative said engine inlet without contact between the spray device and the engine during a washing process;a control panel adapted to enable an operator to adjust the position of said spray device in three dimensions relative said engine inlet by means of said positioning device; anda liquid collecting unit separate from the spray device and not connected to the engine, comprising a collecting device adapted to collect waste wash liquid entrained in an airstream emanating from said engine substantially horizontally during a washing operation of said engine. 2. The washing system according to claim 1, wherein said positioning device comprises a robotic arm including joints enabling a movement of said spray device in said three dimensions. 3. The washing system according to claim 2, wherein said robotic arm includes at least one telescopic part. 4. The washing system according to claim 1, wherein said spray device further comprises an optical sensing device adapted to monitor a washing operation of an engine. 5. The washing system according to claim 4, wherein said optical sensing device is connected to said control panel and is adapted to deliver a view of said engine inlet to an operator of said washing system at a monitor. 6. The washing system according to claim 4, wherein said optical sensing device comprises a camera. 7. The washing system according to claim 4, wherein said optical sensing device comprises a fibre optic device. 8. The washing system according to claim 4, wherein said spray device further comprises a distance measuring device adapted to measure a distance between said spray device and said engine. 9. The washing system according to claim 8, wherein said distance measuring device is connected to said control panel and is adapted to deliver an indication of the distance between said spray device and said engine, thereby informing an operator of a present distance between said spray device and said engine by means of said monitor. 10. The washing system according to claim 8, wherein said distance measuring device is an ultra sound sensing device comprising a transmitter adapted to emit a sound beam and a receiver adapted to receive said beam, wherein said distance is estimated by the time difference for said beam from said transmitter to said receiver. 11. The washing system according to claim 8, wherein said distance measuring device is optical measuring device comprising a transmitter adapted to emit a laser beam and receiver adapted to receive said beam, wherein said distance is estimated by the time difference for said beam from said transmitter to said receiver. 12. The washing system according to claim 7, wherein said distance measuring device further comprises an alarm means adapted to emit an alarm signal if said measured distance decreases below a predetermined value. 13. The washing system according to claim 1, wherein said spray device further comprises illumination means. 14. The washing system according to claim 1, wherein said spray device comprises a substantially ring-shaped manifold arranged symmetrically about said nozzle carrying body, said at one nozzle being arranged is said manifold. 15. The washing system according to claim 1, wherein said spray device comprises at least one pipe arranged at said nozzle carrying body, said at least one pipe being arranged with at least one nozzle. 16. The washing system according to claim 1, wherein said spray device comprises a number of substantially concentric ring-shaped manifolds, each having different diameters and being arranged symmetrically about said nozzle carrying body, wherein at least one nozzle is arranged in each manifold. 17. The mobile system according to claim 1, wherein said liquid collecting unit is connectable to a tank for storing said waste wash liquid. 18. The mobile system according to claim 1, wherein said liquid collecting unit is connectable to said wash unit. 19. The mobile system according to claim 17, wherein said tank is connectable to a said wash unit. 20. The mobile system according to claim 18, wherein said wash unit is adapted to treat said waste wash liquid, thereby allowing said treated waste wash liquid to be used in a washing operation. 21. A liquid wash system comprising: a mobile unit;a wash unit associated with the mobile unit for providing wash liquid;one or more nozzles for streamline injecting wash liquid provided by the wash unit directly into an engine inlet without contact between the wash unit and the engine inlet cowling during a washing process; anda liquid collector unit separate from the wash unit and not connected to the engine for collecting used washing liquid that is entrained in an airstream and emanating from the gas turbine engine as a result of a washing procedure. 22. The liquid wash system of claim 21, wherein the mobile unit is one of a hand towed cart, a motor driven cart, and a motor vehicle. 23. The liquid wash system of claim 22, wherein the mobile unit is a motor vehicle, said motor vehicle being a small passenger truck. 24. The liquid wash system of claim 21, further comprising an articulating arm for use in positioning the one or more nozzles. 25. The liquid wash system of claim 24, wherein the articulating arm is operable via one of a hydraulic, pneumatic, electrical, mechanically, hand driven, operating means. 26. The liquid wash system of claim 21, wherein the wash unit comprises one or more tanks for storing wash liquid. 27. The liquid wash system of claim 26, wherein the wash unit comprises two or more tanks, at least one for storing chemical wash solvents, and at least one for storing water only. 28. The liquid wash system of claim 26, wherein the wash unit further comprising one or more heaters for heating the wash liquid in one or more of the tanks. 29. The liquid wash system of claim 28, wherein the wash unit further comprises one or more pumps for raising a pressure in one or more of the tanks, thereby enabling the wash unit to provide pressurized washing liquid. 30. The liquid wash system of claim 29, further comprising one or more controls for use in regulating the wash unit, the one or more controls comprising at least one of a liquid pressure meter, a liquid flow meter, a liquid temperature meter, and a pump on-off switch. 31. The liquid wash system of claim 30, wherein one of the controls further comprises an optical sensing device adapted for monitoring a washing operation. 32. The liquid wash system of claim 30, wherein one of the controls further comprises a distance measuring device for measuring a distance between the one or more nozzles and an engine being washed. 33. The liquid wash system of claim 30, wherein one of the controls further regulates one or more heaters for heating the wash liquid. 34. The liquid wash system of claim 21, wherein the one or more nozzles comprises a manifold. 35. A closed loop system for washing engines and collecting and treating waste liquid from the engine washing comprising: a washing unit for providing a washing liquid into an engine;a collector unit for collecting used washing liquid entrained in an airstream that emanates horizontally from the engine as a result of a washing procedure;a treatment unit for treating the used washing liquid collected by the collector unit;a transport unit for carrying treated washing liquid from the treatment unit to the washing unit to be reused for washing engines; anda positioning device adapted to locate said washing unit, thereby enabling a positioning of said washing unit in a washing operation position relative to an engine inlet without contact between the washing unit and the engine inlet cowling during a washing operation, wherein the washing unit, the collector unit, the treatment unit, the transport unit and the positioning device do not come into contact with the aircraft during a washing operation. 36. The system of claim 35, further comprising one or more mobile units for transporting one or more of the washing unit, collector unit, treatment unit and transport unit. 37. A mobile washing system for washing a gas turbine engine of an aircraft having an engine shaft and an inlet cowling, the washing system comprising: a spray device including a central axis,a central body, andat least one manifold arranged relative to the central body and having at least one nozzle adapted to streamline inject washing liquid directly into an inlet of said gas turbine engine during a washing operation, wherein the spray device is sized to be smaller than the opening of the inlet of the gas turbine engine;a wash unit adapted to distribute said liquid to said spray device;a positioning device adapted to locate said spray device, thereby enabling a positioning of said spray device in a washing operation position relative to said inlet, wherein when the spray device is in the washing operation position, the central axis is substantially aligned with the engine shaft and there is no contact between the manifold and the inlet cowling; anda liquid collector unit for collecting used washing liquid that is entrained in an airstream and emanating from the gas turbine engine as a result of a washing procedure; anda liquid treatment unit for treating the used washing liquid providing by the used liquid collector. 38. The washing system of claim 37, wherein the liquid treatment unit comprises at least one of a filter, centrifuge, and separator for use in treating the used washing liquid. 39. The washing system of claim 37, further comprising a washing unit for providing a washing liquid to the engine. 40. The washing system of claim 39, wherein the liquid treatment unit is connectable to the washing unit to provide a closed loop system. 41. The washing system of claim 40, further comprising one or more mobile vehicles onto which is provided at least one of the washing unit, the collecting unit or the liquid treatment unit.
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