WO2019158144A1 - Outil et procédé d'entretien de moteurs - Google Patents

Outil et procédé d'entretien de moteurs Download PDF

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Publication number
WO2019158144A1
WO2019158144A1 PCT/DE2019/000025 DE2019000025W WO2019158144A1 WO 2019158144 A1 WO2019158144 A1 WO 2019158144A1 DE 2019000025 W DE2019000025 W DE 2019000025W WO 2019158144 A1 WO2019158144 A1 WO 2019158144A1
Authority
WO
WIPO (PCT)
Prior art keywords
tool
engine
channel
maintenance
tool element
Prior art date
Application number
PCT/DE2019/000025
Other languages
German (de)
English (en)
Inventor
Nils Weidlich
Frank Seidel
Rory Cussen
Lars Aschermann
Original Assignee
MTU Aero Engines AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MTU Aero Engines AG filed Critical MTU Aero Engines AG
Publication of WO2019158144A1 publication Critical patent/WO2019158144A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/005—Repairing methods or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00—Restoring or reconditioning objects
    • B23P6/002—Repairing turbine components, e.g. moving or stationary blades, rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/002—Cleaning of turbomachines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00—Restoring or reconditioning objects
    • B23P6/002—Repairing turbine components, e.g. moving or stationary blades, rotors
    • B23P6/007—Repairing turbine components, e.g. moving or stationary blades, rotors using only additive methods, e.g. build-up welding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/72—Maintenance

Definitions

  • the invention relates to a tool for the maintenance of engines, in particular for on-wing maintenance of engines.
  • the tool has a multi-channel
  • Tool base which is adapted to selectively operate different with this connectable tool elements under stress each of at least one channel of the multi-channel supply line to perform maintenance work in the engine compartment in particular of undivided engines and gas turbines.
  • Compressors belonging to gas turbines, in particular aircraft engines, and turbines generally comprise a rotor with a plurality of rotor blade rows, which are connected to a rotor shaft and surrounded by a housing from outside, so that between the rotor shaft and the rotor Housing a flow channel is formed.
  • Fixed to the housing vanes are adapted to through the
  • EP 3 176 365 A1 discloses a procedure in which a conduit is led from outside the gas turbine through an opening to a point of damage. Liquid metal is then passed through the conduit to repair them. By means of an optical device also introduced through an opening, for example an endoscope or borescope, the process can be visually followed.
  • CONFIRMATION COPY Document GB 2 506 744 A discloses a boroscope which can be guided through an opening in a housing to a respective component. For visual inspection of the interior in the housing, the boroscope has at its one end an optical fiber and a light source. In addition, a device head with an electric motor and a
  • the electric motor can be supplied with electrical power via a cable leading through the boroscope.
  • the tool may in particular comprise a brush or a grinding wheel.
  • the document DE 11 2011 103 499 T5 discloses a maintenance device, in particular for a compressor in a gas turbine engine, which has an endoscope device with a flexible tube and an endoscope for insertion into an inspection opening and also an endoscope
  • Laser device for processing a respective repair point comprises.
  • the laser device is coupled to the endoscope device and adapted to be inserted near the flexible tube through the inspection opening.
  • the endoscope device can with a
  • Machining device be coupled to support the laser device in a repair. This can be introduced near the flexible tube through an inspection opening.
  • Power supply and / or data conduit and at least one gas, liquid and / or material channel has.
  • the multi-channel supply line is a
  • Tool base connected or connectable, which is adapted to selectively operate different with this connectable tool elements under stress each of at least one channel of the multi-channel supply line, and together with at least one tool element through a arranged in the engine housing Boroskopauge for
  • Boroskopaugen are provided on engine housings as access for a borescope, so a flexible tube, at the distal end is usually an optics and corresponding sensors for image generation. Since modern Boroskope only small cross-sections with an extent of only few
  • connectable tool element to a diameter which is suitable to be guided together with at least one tool element through such a borescope eye in an engine compartment the tool or its tool base.
  • the proposed tool Of course, it is also suitable to be guided in other ways in the engine compartment, such as opened in particular for other purposes
  • Accesses such as through a burner port or through an axial opening, as at the front of the engine by the fan.
  • An embodiment of the tool comprises or can be connected to a computer unit. So can to the tool base, in particular one of them included
  • Such a tool element is, for example, a rotatable and / or linearly movable (eg substantially dimensionally stable or flexible) brush, a rotatable needle, a rotatable needle file, a rotatable needle probe, an extraction needle with at least one barb, an needle hammer (to operate by means of pulsed compressed air may be), a nozzle (which may be formed as a spray, pressure or suction nozzle) and / or combinations of several of these tool elements.
  • the tool base is set up to optionally connect to different ones
  • the tool base can thus claim only a gas, liquid and / or material channel when operating a first connected tool element in the form of a needle hammer, which is in this case (permanently or temporarily) preferably connected to a corresponding pressure pump.
  • the pressure pump may comprise a pulsation device and / or the tool base may comprise a pulse pump for converting a uniform pressure into a multiplicity of pressure pulses.
  • the tool base for example, only the at least one electrical power supply channel claim, so relate electrical energy (while the at least one gas, liquid and / or material channel is unused).
  • the tool base can both an electrical power supply channel for operating a used for the drive of the rotary brush Electric motors claim as well as a fluid channel.
  • the tool base can only contain a gas,
  • Claim fluid and / or material channel which is preferably connected in this case (permanently or temporarily) to a vacuum pump.
  • Engine components of engines in the undisplaced state, so in the installed state in particular in the mounted state on the wing of an aircraft, so "on-wing" perform. It is advantageous in particular that the tool or the required parts of the tool can be guided by a borescope eye arranged in the engine housing in the engine interior. Due to the distribution of a large number of borescope eyes on conventional engine housings, substantially all areas of an engine interior can thus be reached with the proposed tool. This makes it easier to carry out preventative maintenance work in order to reduce the efficiency of the operation or to detect and repair progressive damage at an early stage, such as opening cooling air openings in the building
  • the multi-channel supply line of the tool can thus be used simultaneously and / or sequentially for the functions of an electrical energy supply on the one hand and a gas, liquid and / or material supply or a gas, liquid and / or material extraction on the other.
  • the multi-channel supply line is designed to be flexible, for example, in at least one section.
  • the plurality of channels of the multi-channel supply line are surrounded in at least a portion of a common sheath.
  • the multi-channel supply line may also include means for controlled movement thereof to move a tooling device disposed thereon within the engine to desired positions.
  • the supply device may be at least partially part of a positioning device.
  • An image capture device such as a camera can be arranged on the tool base.
  • the multi-channel supply line preferably comprises a data and / or light pipe channel, by means of the respective captured images on a
  • Indicator located at an end of the tool base opposite the tool base
  • multichannel supply line is connected or connected
  • a camera can for example be fixedly arranged on the tool base or flexibly connected to it, so that the perspective captured by the camera can be changed, in particular by an operator.
  • the tool comprises a supply device to which an end of the multi-channel supply line opposite the tool base can be connected.
  • a supply device may comprise a current source, from which the electric power supply channel can draw power, and / or a computer device for
  • control signals in particular for controlling a tool element.
  • the control signals can be passed, for example, through a data line channel of the multi-channel supply line to the tool base or vice versa from the tool base to the computer device of the supply device.
  • the supply device may comprise a display device, to which, for example, an image acquisition device such as a camera at the
  • Tool base detected image data can be displayed, for example, after they have been transmitted by means of a data line channel of the multi-channel supply line.
  • the supply device has at least one pressure and / or vacuum pump with which, in particular, gas, liquid and / or material can be pumped in or out of a corresponding channel of the multichannel supply line in a permanent or pulsed manner.
  • An exemplary tool has a tool element set with at least one tool element connected or to be connected to the tool base (ie connectable).
  • the tool element set may be, for example:
  • a camera in particular for finding the maintenance point, for positioning at least one tool element and / or for passing through the
  • a rotatable and / or linearly movable (eg substantially dimensionally stable or flexible) brush the z. B. can be used to clean a surface and / or opening a blocked cooling hole;
  • a rotatable needle a rotatable needle file, and / or a rotatable needle probe, each in particular for opening closed by dirt
  • Cooling holes are suitable
  • a needle hammer which can be operated, for example, by means of pulsed compressed air and which can have the effect of a bit;
  • the tool element set comprises at least two tool elements of different types and / or different sizes.
  • the present invention thus provides a versatile tool for engine maintenance, with which engine components in the installed state and at different turbine stages can be treated, so that a complex disassembly and reassembly of the engine can be omitted, so that with the tool
  • this can preventively remedying deficiencies that could otherwise result in a significant loss of efficiency or even irreparable damage.
  • particularly efficiently blocked cooling holes can be cleaned with the proposed tool.
  • the tool can be converted in a simple manner by changing a tool element.
  • a variety of different tools, each with its own supply line is unnecessary, so that a plurality of long and obstructive and even in use even entangling lines can be avoided.
  • one or more terminals can be arranged thereon, which have, for example, a male, one-click, screw or bayonet connection element which is set up to cooperate with a corresponding counter element of the respective tool element.
  • the tool base For connecting the tool base with at least one tool element, it may, for example, have at least one connection, on which successively tool elements are to be operated while stressing different channels of the multi-channel supply line.
  • a connection is thus multifunctional: For example, a drivable tool element can first be connected to it for its operation
  • Only the at least one electrical power supply channel for supplying an electric motor (eg in the tool base) is claimed (used or used).
  • another function may be adjustable for the same tool element, for example a spray function in which the at least one gas, liquid and / or material channel is used (and thus claimed) for supplying liquid or it may another tool element (eg a suction nozzle) can be connected to the connection, for the operation of which a further channel of the multichannel supply line connected to a mammalian pump or to be connected can be used.
  • the tool base may also have at least two terminals, wherein at least one tool element optionally (successively) connected both to a first and to a second of the terminals and under stress at least one
  • Turbine interior a particular point of damage is particularly easy to reach, for example, forming an advantageous angle.
  • the tool base has at least one line connection, by means of which the multi-channel supply line can be detachably connected to the tool base.
  • the tool base at least two such
  • Connection positions selectable, so that in particular a simple insertion of the tool with the multi-channel supply line to a desired position in the engine compartment is possible and / or a particularly advantageous achievement of a processing position by a respective tool element.
  • At least one positioning device is arranged on the multi-channel supply line and / or on the tool base, through which the at least one tool element arranged on the tool base is attached to the tool
  • Performing maintenance work in the engine compartment is positionable.
  • the term "positionable” in the sense of the present invention in addition to functions for spatially arranging the tool or the tool element in the engine compartment in particular also includes the function "supportable”. Accordingly, the tool can be positioned or supported with a position device or an element of the positioning device at the interface to the engine interior, such as a borescope eye.
  • a tool element can be arranged fixedly in relation to a processing point by a positioning device in the engine interior at a suitable position and, if this is necessary for the maintenance measure to be carried out, form an abutment for the tool element, via the machining forces at this point
  • Engine elements can be supported. In one embodiment of the
  • Positioning device also serves to guide the tool or the at least one tool device to the position within the engine compartment, at the one
  • the at least one tool element provided for performing a mechanically acting machining is set up to operate at a machining frequency which is above the natural frequency of the respective tool
  • the machining frequency of the tool element is adjustable in particular in a predetermined frequency range via a computing device. Since engine components usually have very high natural frequencies, which often exceed 10,000 Hz, the mechanical effectiveness of a machining increases when the tools used for mechanical machining work with high-frequency machining parameters. Processing steps with suitable processing parameters thereby contribute
  • machining frequencies above the natural frequency to an engine component. In this way, damage to components by natural frequency vibrations during processing prevented. Suitable machining frequencies are usually in a range of 10,000 Hz to about 60,000 Hz for engine components.
  • At least two tool elements can be connected and operated in parallel with the tool base, so that the at least two tool elements can cooperate in particular in order to carry out machining steps.
  • a cutting machining tool element and a suction tool element can work together and / or in particular a camera can be used at the same time, which assists the user in guiding other tool elements.
  • the tool can also be designed so that the at least two tool elements are selectively operable under stress at least one matching channel of the multi-channel supply line. This may be necessary, for example, if the at least two
  • Tool elements are electrically driven and are controlled in particular by means of control signals.
  • An embodiment of the tool for the maintenance of engines has a tool base connected to the changing device, which is feasible together with the tool base and at least two in particular via the changing device with the tool base connectable tool elements through a plant housing in a drive borescope eye.
  • the at least two tool elements are in Engine interior alternately with the tool base connectable by means of the changing device.
  • a method for servicing engines is proposed to achieve the object, which is particularly feasible with a tool, as described above.
  • the method comprises the following steps:
  • Tool element in particular for mechanically acting processing steps in particular fixed against at least one fixed engine element is positioned;
  • Engines in the installed state of the aircraft available which like the also proposed tool, which is used to carry out the method, is flexible to use the engine, and a wide range of applications possible. This makes it easier to carry out preventive maintenance work in order to detect and eliminate losses in efficiency and / or damage at an early stage. Possible properties of a tool that can be used to carry out the method are shown in the preceding description.
  • the natural frequency of the specified engine component to be machined as being known for example by information from the manufacturer, or has already been determined for example in a previous maintenance of a common part, which is an expansion of the component from a
  • the tool used has, for example, a positioning device which can support the guiding of the at least one tool element to the maintenance position and, for mechanically acting machining steps, a tool element is in particular firmly positioned relative to at least one stationary engine element. If necessary, the tool element is thereby positively or positively supported at the processing position, so that acting processing forces can be passed through correspondingly suitable engine elements.
  • Engine interior a change of at least one used for performing a working step tool element. At first, at least one tool element is connected to the tool and after the change, at least one other tool element is connected to the tool and ready for use.
  • FIG. 1 is a schematic representation of an exemplary embodiment of a tool according to the invention.
  • Fig. 2 is a schematic representation of an exemplary inventive
  • FIG. 3 shows the schematically illustrated exemplary embodiment of the tool from FIG. 1 with a change device arranged thereon;
  • Fig. 4 is a schematic representation of the sequence of the method according to the invention.
  • 1 shows a schematic illustration of an exemplary embodiment of a tool 100 according to the invention.
  • the tool 100 has a tool main component 1 with a tool base 10 and a multi-channel supply line 30. This has an electrical power supply and or data channel 31 and a gas, liquid and / or material channel 32, wherein the plurality of channels 31, 32 in one to the
  • the multi-channel supply line 30 is connected to a supply device 40 of the tool main component 1.
  • the supply device 40 comprises in the illustrated embodiment, a power source 41 and a vacuum pump 42.
  • the tool base 10 is connected by means of a line connection 12 with the multi-channel
  • Power supply and / or data channel 31 supplied electrical energy and / or using the gas, liquid and / or 15 material channel 32) can be operated.
  • the tool element 20 is connected to the terminal 1 lb, in particular it can optionally also be operated at the terminal 1 la and thereby claim the same channel / channels of the multichannel line as at the terminal 1 lb (or to the same (n) operation (s) perform).
  • the tool element 20 depending on the position of a job in a
  • Turbine interior 20 suitable to be positioned either at port 1 la or at port 1 lb.
  • Another (not shown) tool element can also be connected to at least one of the terminals 1 la, 1 lb and operated.
  • Tool base 10 is set up to use different channels of the multichannel line (ie to use or to use them) when operating them, depending on the tool element selected.
  • the tool base 10 can be guided together with the at least one tool element 20 through a Boroskopauge 6 arranged in the engine housing 5 for performing maintenance work in an engine compartment 7.
  • An image capture device 29 in the form of a camera 29 is also arranged on the tool base 10, by means of which the area to be processed with a tool element is visually detected and can be displayed to a user.
  • FIG. 2 shows a schematic representation of a tool element set 200 with different variants of possible tool elements 21-29 of a tool 100 according to the invention.
  • the tool elements 21-29 each have a connection element 19 which is set up with a corresponding connection element of one of the elements shown in FIG. 1 or 1 lb to be connected.
  • the connecting element 19 may be formed, for example, as a plug-in, a Eintician-, a screw or a bayonet connection element.
  • a rotatable needle 21 is shown, which is under stress of the electrical power supply and / or data channel 31 and by means of an example of the
  • Tool base 10 included electric motor is rotatable about a rotation axis R and is suitable, for example, to open sealed cooling holes.
  • Fig. 2b shows a stress under the electrical power supply and / or
  • the flexible wire brush 23 shown in Fig. 2c can be used to open clogged cooling holes under stress of the electrical
  • FIG. 2d shows an extraction needle 24 with three barbs shown by way of example.
  • This tool element is particularly suitable for extracting dirt from holes or cracks. It can be electric under stress of electrical power supply and / or
  • Data channel 31 and an electric motor or by means of pressure pulses under stress of the gas, liquid and / or material channel 32 are operated.
  • the spray nozzle 25 shown in FIG. 2e can be used under pressure from the gas, liquid and / or material channel 32 or in addition to the electrical energy supply and / or data channel 31 for spraying with water and / or with particle-containing air.
  • fuel and / or at least one volatile substance, such as acetone for example can be used for spraying in order to keep the product from remaining
  • a needle hammer 26 is shown, which, like the extraction needle 24 shown in FIG. 2 d), is electrically stressed by the electrical energy supply and / or data channel 31 or by pressure pulses under the load of the gas, liquid and / or
  • Material channel 32 can be operated.
  • the needle hammer 26 has a chisel-like effect and can be used to apply force to difficult to remove dirt in a hole or a crack, in particular in a cooling hole.
  • the pressure nozzle 27 shown in Fig. 2g can for example be positioned on a clogged hole (or in its vicinity) before passing through them at least one compressed air pulse
  • FIG. 2i shows an image capture device 29 in the form of a camera, which visually detects the region in front of the tool base and, for example, sends it to a computing device connected to the tool 100, which is connected to a display, using the energy supply and / or data line channel 31 to display the captured image to a user.
  • FIG. 3 shows the schematically illustrated exemplary embodiment of the tool from FIG. 1 with a changeover device 45 arranged thereon, which in the exemplary embodiment is designed as a type of turret changing device. Furthermore, a camera 29 is arranged directly on the changer 45. For carrying out maintenance work, the changing device 45, together with the tool base 10 and the three tool elements 23, 26 and 28 which can be connected thereto, are arranged by means of a drive housing
  • Boroskopauge led into the drive interior.
  • the three tool elements 23, 26 and 28 are by means of the changing device in the engine compartment alternately with the
  • Positioning devices 35, 36 are arranged on the multi-channel supply line 30 and on the tool base 10 in the illustrated embodiment. These are formed in the exemplary embodiment 20 as expandable rings, which are filled, for example by a particular incompressible fluid to the at least one arranged on the tool base 10 tool element 20 to 29 for the passage of
  • the positioning devices 35, 36 designed as expandable rings are designed so that they have a fixed bearing between the tool 100 and the engine parts in the expanded state.
  • a tool main component 1 for a multi-function tool for the treatment 30 of turbine elements comprises a multi-channel line 30 with at least one electrical power supply and / or data channel 31 and at least one gas, liquid and / or material channel 32, and one with the multi-channel supply line 30 connected or to be connected tool base 10 for import into a turbine interior.
  • the tool base is adapted to selectively operate various tool elements 20-29 to be connected under stress from different channels 31, 32 of the multi-channel supply line 30 and together with at least one tool element 20-29 through a borescope eye disposed in the engine housing for performing maintenance work in an engine compartment to be led.
  • Fig. 4 the flow of the inventive method for the maintenance of engines is shown schematically.
  • the method can be carried out, for example, with a tool, as illustrated by way of example in FIGS. 1 to 3 and described for this purpose.
  • the method comprises the following steps:
  • a first step a an engine component to be machined is set, which has a predetermined natural frequency. Thereafter, in step b), at least one work step to be performed during maintenance is determined. If a mechanically acting tool element (20-29) is to be used for this work step, then its
  • step d) the at least one required for this step tool element (20 29) is selected and set. Then, in step d), the at least one
  • step f) the at least one working step with the at least one
  • Tool element (20 - 29) are performed and in step g) the at least one

Abstract

L'invention concerne un outil pour l'entretien de moteurs avec une ligne d'alimentation à canaux multiples (30), qui comporte au moins un canal d'alimentation en énergie électrique et/ou de ligne de données (31) et au moins un canal de gaz, de liquide et/ou de matériau (32). Selon l'invention, une base d'outil (10) reliée ou à relier à la ligne d'alimentation (30) à canaux multiples est configurée à cet effet, de manière à pouvoir fonctionner sélectivement avec différents éléments d'outil pouvant être connectés (20 - 29) à celui-ci avec l'utilisation d'au moins un canal (31, 32) de la ligne d'alimentation à canaux multiples (30). Le procédé d'entretien de moteurs comprend les étapes suivantes : détermination d'un composant de moteur à usiner ayant une fréquence propre prédéterminée ; détermination d'au moins une étape de travail à effectuer lors de l'entretien et sélection d'au moins un élément d'outil (20 à 29) requis à cet effet, la fréquence d'usinage d'un élément d'outil à action mécanique (20 - 29) étant supérieure à la fréquence naturelle du composant de moteur à usiner ; introduction d'au moins un élément d'outil (20 - 29), notamment à travers un œil endoscopique (6) d'un carter de moteur (5), dans un compartiment moteur (7) ; positionner l'outil (20 - 29) dans le compartiment moteur (7), l'élément d'outil (20 - 29) étant positionné notamment pour des étapes d'usinage à action mécanique, notamment de manière fixe par rapport à au moins un élément de moteur fixe ; exécution d'au moins une étape de travail avec au moins un élément d'outil (20 - 29) et enlèvement au moins d'un élément d'outil (20 - 29), notamment à travers l'œil endoscopique (6) hors du compartiment moteur (7).
PCT/DE2019/000025 2018-02-13 2019-02-06 Outil et procédé d'entretien de moteurs WO2019158144A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018202188.0 2018-02-13
DE102018202188.0A DE102018202188A1 (de) 2018-02-13 2018-02-13 Hauptkomponente für ein Multifunktionswerkzeug und Multifunktionswerkzeug zur Behandlung von Turbinenelementen

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WO2019158144A1 true WO2019158144A1 (fr) 2019-08-22

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EP2623731A1 (fr) * 2012-02-06 2013-08-07 Rolls-Royce Deutschland Ltd & Co KG Appareil et procédé pour le traitement d'une aube de turbine à haute pression dans une turbine à gaz
DE112011103499T5 (de) 2010-11-17 2013-11-21 Rolls-Royce Corp. Instandhaltungswerkzeug mit einem Laser
GB2506744A (en) 2012-09-07 2014-04-09 Rolls Royce Plc A boroscope
EP3050653A1 (fr) * 2015-01-29 2016-08-03 Gildemeister Drehmaschinen GmbH Tour vertical doté de porte-outil pivotant et de tourelle revolver
EP3176365A1 (fr) 2015-12-03 2017-06-07 General Electric Company Système et procédé destinés à réaliser une réparation in situ d'un composant interne d'un moteur à turbine à gaz
DE102015225445A1 (de) * 2015-12-16 2017-06-22 Rolls-Royce Deutschland Ltd & Co Kg Verfahren und Vorrichtung zur Entfernung mindestens eines Fremdkörpers aus einem Gaskanal einer Turbomaschine

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DE102015225375A1 (de) * 2015-12-16 2017-06-22 Robert Bosch Gmbh Absaugvorrichtung für eine tragbare Sägemaschine

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Publication number Priority date Publication date Assignee Title
US5155941A (en) * 1989-09-18 1992-10-20 Olympus Optical Co., Ltd. Industrial endoscope system having a rotary treatment member
US20050107001A1 (en) * 2003-11-18 2005-05-19 Dieter Moeller Grinding apparatus for blending defects on turbine blades and associated method of use
WO2006026457A1 (fr) * 2004-08-27 2006-03-09 Honeywell International Inc. Procédé et appareil pour effectuer des réparations au laser sur les organes d'une turbine
DE112011103499T5 (de) 2010-11-17 2013-11-21 Rolls-Royce Corp. Instandhaltungswerkzeug mit einem Laser
EP2623731A1 (fr) * 2012-02-06 2013-08-07 Rolls-Royce Deutschland Ltd & Co KG Appareil et procédé pour le traitement d'une aube de turbine à haute pression dans une turbine à gaz
GB2506744A (en) 2012-09-07 2014-04-09 Rolls Royce Plc A boroscope
EP3050653A1 (fr) * 2015-01-29 2016-08-03 Gildemeister Drehmaschinen GmbH Tour vertical doté de porte-outil pivotant et de tourelle revolver
EP3176365A1 (fr) 2015-12-03 2017-06-07 General Electric Company Système et procédé destinés à réaliser une réparation in situ d'un composant interne d'un moteur à turbine à gaz
DE102015225445A1 (de) * 2015-12-16 2017-06-22 Rolls-Royce Deutschland Ltd & Co Kg Verfahren und Vorrichtung zur Entfernung mindestens eines Fremdkörpers aus einem Gaskanal einer Turbomaschine

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