System for washing a gas turbine engine. The system comprises a spray device including at least one nozzle adapted to inject liquid into an inlet of said engine during a washing operation; a wash unit adapted to distribute said liquid to said spray device; and a positioning device adapted to move sa
System for washing a gas turbine engine. The system comprises a spray device including at least one nozzle adapted to inject liquid into an inlet of said engine during a washing operation; a wash unit adapted to distribute said liquid to said spray device; and 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 any contact between the spray device and the engine. The invention further relates to a vehicle for making the inventive system mobile and to a mobile system for serving a gas turbine engine comprising a mobile vehicle carrying the washing system and a liquid collecting unit comprising a collecting device 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: a carrying body;a plurality of nozzles attached to the carrying body and adapted to inject liquid directly into an inlet of said engine during a wash
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: a carrying body;a plurality of nozzles attached to the carrying body and adapted to inject liquid directly into an inlet of said engine during a washing operation, wherein the plurality of nozzles are arranged outward from the carrying body; andan optical sensing device adapted to monitor the washing operation of the engine, wherein the optical sensing device is arranged on the carrying body and inward from the plurality of nozzles;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 the inlet of said engine without contact between the spray device and the engine during the washing operation, wherein the optical sensing device is supported by the carrying body so as to be movable in concert with the plurality of nozzles when moved by the positioning device; anda control panel adapted to enable an operator to adjust the position of said spray device in three dimensions relative the inlet of said engine by means of said positioning device. 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 1, wherein said optical sensing device is connected to said control panel and is adapted to deliver a view of the inlet of said engine to an operator of said washing system at a monitor. 4. The washing system according to claim 1, wherein said optical sensing device comprises a camera or a fiber optic device. 5. The washing system according to claim 1, wherein said spray device further comprises a distance measuring device adapted to measure a distance between said spray device and said engine. 6. The washing system according to claim 5, 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 a monitor. 7. The washing system according to claim 5, 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 a time difference for said beam to be transmitted from said transmitter to said receiver. 8. The washing system according to claim 5, wherein said distance measuring device is an optical measuring device comprising a transmitter adapted to emit a laser beam and a receiver adapted to receive said beam, wherein said distance is estimated by a time for said beam to be transmitted from said transmitter to said receiver. 9. The washing system according to claim 5, 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. 10. The washing system according to claim 1, wherein said spray device further comprises an illumination means. 11. The washing system according to claim 1, wherein the optical sensing device is configured with a field of view that overlaps with the inlet of said engine into which the spray device injects liquid during the washing operation. 12. A liquid wash system comprising: a mobile unit;a wash unit associated with the mobile unit for providing wash liquid;a plurality of nozzles for streamline injecting wash liquid provided by the wash unit directly into an engine inlet without contact between the wash unit and an engine inlet cowling during a washing operation, wherein the plurality of nozzles are supported in an array surround a central body; andone or more controls for use in regulating the wash unit, wherein one of the one or more controls comprises an optical sensing device adapted for monitoring the washing operation, wherein the optical sensing device is located at the central body and inward from the plurality of nozzles. 13. The liquid wash system of claim 12, further comprising an articulating arm for use in positioning the plurality of nozzles, wherein the articulating arm is operable via one of a hydraulic, a pneumatic, an electrical, a mechanical, or a hand-driven operating means. 14. The liquid wash system of claim 12, wherein the wash unit comprises one or more tanks for storing wash liquid. 15. The liquid wash system of claim 14, wherein the wash unit comprises two or more tanks, at least one of the two or more tanks for storing chemical wash solvents, and at least another one of the two or more tanks for storing water only. 16. The liquid wash system of claim 14, wherein the wash unit further comprises one or more heaters for heating the wash liquid in one or more of the one or more tanks. 17. The liquid wash system of claim 16, wherein the wash unit further comprises one or more pumps for raising a pressure in one or more of the one or more tanks, thereby enabling the wash unit to provide pressurized washing liquid. 18. The liquid wash system of claim 17, wherein the one or more controls comprises at least one of a liquid pressure meter, a liquid flow meter, a liquid temperature meter, and a pump on-off switch. 19. The liquid wash system of claim 12, wherein one of the one or more controls further comprises a distance measuring device for measuring a distance between the plurality of nozzles and an engine being washed. 20. The liquid wash system of claim 12, wherein the plurality of nozzles comprise an annular manifold. 21. The liquid wash system according to claim 12, wherein the optical sensing device is configured with a field of view that overlaps with the engine inlet into which the plurality of nozzles streamline inject liquid during the washing operation.
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이 특허에 인용된 특허 (48)
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