EP3685927A1 - Ventilatorsystem, luftsystem und anlage zum behandeln von werkstücken - Google Patents

Ventilatorsystem, luftsystem und anlage zum behandeln von werkstücken Download PDF

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Publication number
EP3685927A1
EP3685927A1 EP19163744.6A EP19163744A EP3685927A1 EP 3685927 A1 EP3685927 A1 EP 3685927A1 EP 19163744 A EP19163744 A EP 19163744A EP 3685927 A1 EP3685927 A1 EP 3685927A1
Authority
EP
European Patent Office
Prior art keywords
fan
sensor
fan unit
coating
exhaust gas
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP19163744.6A
Other languages
German (de)
English (en)
French (fr)
Inventor
Jürgen Röckle
Tobias ZEBISCH
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eisenmann SE
Original Assignee
Eisenmann SE
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 Eisenmann SE filed Critical Eisenmann SE
Publication of EP3685927A1 publication Critical patent/EP3685927A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00—Spray booths
    • B05B16/60—Ventilation arrangements specially adapted therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • 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
    • F05D2230/90—Coating; Surface treatment
    • 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
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/334—Vibration measurements
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/611—Coating

Definitions

  • the invention relates to a fan system for conveying a gas laden with particles, with at least one fan unit, which comprises a rotatably mounted impeller.
  • the invention also relates to an air system for a system for treating workpieces, in which an exhaust gas laden with particles is produced, with a flow path along which the exhaust gas can be conveyed.
  • the invention also relates to a system for treating workpieces, in which an exhaust gas laden with particles is produced.
  • the manual or automatic treatment of workpieces can create particles that have to be removed from the place of origin and removed from the system.
  • a partial stream of the paint which generally contains both solids and / or binders and solvents, is not applied to the object.
  • This partial flow is called overspray by experts.
  • the overspray is captured by an exhaust gas stream, usually an air stream, and fed to a separator, so that the air can, if appropriate, be returned to the coating booth after suitable conditioning.
  • fan units In order to promote the exhaust gas loaded with the particles, there are fan systems of the type mentioned at the beginning. Their fan unit is arranged in the flow path of the exhaust gas loaded with particles and flows through it. Particles are deposited on components of the fan unit. In particular due to deposits on the rotating components of the fan unit, ie the impeller but also, for example, an associated rotary shaft or the like, there are unbalances which cannot be tolerated. For this reason, the fan units must be cleaned and serviced at regular intervals. It can happen that individual fan units have to be replaced.
  • a silicon-free coating is defined by the fact that it contains no la ck b enetzungsstörenden substances, such as occur, for example, silicones.
  • a suitable coating means that fewer particles adhere to the impeller, which means that it takes longer to reach a degree of deposition that leads to unbalances that are no longer tolerable. In addition, cleaning can be done faster because the particles do not adhere so well to the impeller.
  • the sensor system can detect the influence of the deposited particles on oscillations and / or vibrations of the fan unit.
  • the fan unit can possibly be set to a lower speed. In this case, cleaning and / or maintenance is not yet necessary, so that the operating time of the fan unit is extended until the next cleaning / maintenance despite existing particle deposits. This will be discussed in more detail below.
  • the LABS-free coating of the impeller is advantageously a Xylan® coating, in particular a Xylan 1010 coating, or an Emralon® coating, in particular an Emralon 333 coating.
  • the rotary vibration sensor is a sensor according to DIN ISO 7919-3: 2018-01 and / or the peripheral vibration sensor is a sensor according to DIN ISO 10816-3: 2018-01.
  • a redundant fan system can be formed if the fan system has at least one fan device which comprises two or more fan units. These two or more fan units can then be operated at an individual speed depending on their vibration pattern; this will be discussed again in detail below.
  • a control device which, depending on one or more output signals from the sensor or sensors of the sensor system, adjusts the speed of the impeller of one or more existing fan units and / or an output signal, in particular a visually or acoustically detectable output signal , which reflects the operating state of the fan unit.
  • the object stated above is achieved in that the fan system is present with some or all of the features explained above, the at least one fan unit of which is arranged in the flow path of the exhaust gas.
  • This air system can be used particularly effectively if it is a system for coating workpieces, in particular vehicle bodies or vehicle body parts, with a coating material, in particular with a paint, and the particles are formed by overspray.
  • Figure 1 shows a treatment booth 10, a system, generally designated 12, for treating workpieces 14, in which a gas 16 laden with particles is formed, which is also referred to as exhaust gas 16.
  • a gas loaded with particles does not always have to be an exhaust gas.
  • Workpieces 14 to be treated are illustrated below as vehicle bodies 18, but workpieces 14 also include, in particular, parts or add-on parts of vehicle bodies, such as mirrors, bumpers and the like, or other workpieces into consideration, in the treatment of which an exhaust gas 16 laden with particles is produced.
  • the particles entrained by the exhaust gas 16 can, depending on the treatment that is carried out on the workpieces 14, generally be solids or solid mixtures, liquids or liquid mixtures, or mixtures of one or more solids and one or more liquids.
  • the particles are largely solid particles, which can possibly combine with moisture in the exhaust gas to form a water / solid mixture.
  • the treatment booth 10 forms a coating booth 20 in the form of a painting booth 22.
  • the particles carried by the exhaust gas 16 are consequently overspray from the coating material.
  • the particles are usually a disperse system, such as an emulsion or suspension or a combination thereof.
  • the exhaust gas 16 is in the form of exhaust air.
  • the treatment booth 10 comprises a work area 24 which defines an application area 26 in the case of a coating booth 20.
  • the application area 26 is delimited by a cabin ceiling 28, a cabin floor 30 and two side walls 32.
  • the application area 26 is an application tunnel 34, through which the workpieces 14 are conveyed using a conveyor system 36 which is known per se.
  • application devices 38 which in the present exemplary embodiment are provided in the form of multi-axis application robots 40, as are also known per se.
  • the application robots 40 can be used to coat the workpieces 14 with the coating material provided, in particular with a lacquer.
  • the booth ceiling 28 is permeable to flow and separates the application area 26 from an air supply space 42 arranged above it, which is referred to by experts as a so-called air plenum.
  • the cabin ceiling 28 as such is designed in the present exemplary embodiment as a filter ceiling 44, as is known per se.
  • the air plenum 42 is part of an air system 46, which also includes a conditioning device 48, from which conditioned air is supplied to the air supply space 42 and flows through the cabin ceiling 28 as cabin air further down through the application area 26.
  • the overspray in the application area 26 is taken up and carried along by the cabin air; the resulting exhaust gas 16 loaded with overspray particles then continues to flow.
  • the application area 26 is open at the bottom to a plant part 50 arranged underneath such that the booth floor 30 is also permeable to flow.
  • the cabin floor 30 is designed as a walkable grating 52. At least in the lower part of the system 50 a portion of the overspray particles carried by the exhaust gas 16 are separated from the cabin air.
  • the exhaust gas 16 loaded with overspray particles first flows into a flow guide device 54 and from there to a separating device 56, in which at least a portion of the overspray is removed from the exhaust gas 16.
  • the separating device 56 of the present exemplary embodiment comprises a plurality of separating units 58, which can be designed as reusable separating units, for example as electrostatically operating separating units or other regenerative separating units, or as one-way separating units.
  • one-way separator units are exchanged as a whole for an empty one-way separator unit and are processed or disposed of together with the overspray taken up.
  • the separator units can also be designed as part-disposable separator units, from which individual components can be exchanged after reaching a limit load with overspray.
  • a separating unit 58 can comprise a housing remaining in the coating booth 20 and only a loaded filter unit of the separating unit 58 is exchanged.
  • the flow guide device 54 limits the flow path of the exhaust gas 16 and guides it to the separating units 58.
  • each separation unit 58 is connected to the flow control device 54 in terms of flow technology and in particular in the case of one-way separation units.
  • the exhaust gas 16 After the exhaust gas 16 has flowed through the separating device 56, the exhaust gas now at least partially freed from overspray particles passes through one or more intermediate channels 60 into a collection flow channel 62 a residual portion of particles contaminated exhaust gas 16 again processed and conditioned in a manner known per se and is then passed back into the air supply space 42, from which it then flows, possibly mixed with fresh air, back into the application area 26 from above.
  • the application area 26, the flow guide device 54, the separation device 56, the intermediate channels 60, the collecting flow channel 62 and the conditioning device 48 exemplarily define a flow path 64 of an air system 46 in a system for treating workpieces 14, the exhaust gas 16 laden with particles along this flow path 64 is eligible.
  • a plurality of fan units 66 of a fan system 67 are arranged in the flow path 64 in order to convey the gas flow and thus the exhaust gas 16 laden with particles. All fan units 66 comprise an impeller 68, which is driven by a drive motor 70.
  • the fan units 66 can be all known types of fans, in particular axial fans, radial fans, diagonal fans or also cross-flow fans.
  • three such fan units can be seen, which are designated by 66a, 66b and 66c.
  • a first fan unit 66a is arranged in the conditioning device 48 and a second fan unit 66b is arranged at the transition from the intermediate duct 60 to the collecting flow duct 62.
  • a third fan unit 66c can be seen schematically in the application area 26; This third fan unit 66c is intended to illustrate that there are also flow concepts in which a corresponding fan unit 66 is generally provided in the work area 24 of a system 12 for treating workpieces 14, with which exhaust gas 16, which is loaded with particles from the treatment process, flows directly can be suctioned off from the working area 24 and fed to a further treatment. This can also be the case when coating workpieces 14 in a coating booth 20.
  • Each fan unit 66 comprises an impeller 68 and a drive motor 70 for driving the impeller 68.
  • the impeller 68 is fastened on a rotary shaft, which in turn is coupled to the drive motor 70.
  • the impeller 68 and the drive motor 70 cannot be seen in the fan unit 66c in the application area 26.
  • the drive motors 70 are controlled by a control device 72, which adjusts the rotational speeds of the impellers 68.
  • the fan units 66 are connected to the control device 72 by control lines 74.
  • wireless communication can also take place between the fan units 66 and the control device 72.
  • particles from the exhaust gas 16 are deposited on the components of the fan units 66 and in particular on their impellers 68 when the exhaust gas 16 laden with particles flows through the fan units 66.
  • At least the impellers 68 of the fan unit 66 have a LABS-free coating 76, which has non-stick properties and in Figure 1 is illustrated in black.
  • such a coating 76 is formed by a Xylan® coating, in particular a Xylan 1010 coating, or an Emralon® coating, in particular an Emralon 333 coating, as is available on the market from Whitford, USA or Henkel, DE, are available.
  • the speed of the impeller 68 of a fan unit 66 can be briefly increased so that the adhering particles from the impeller 68 and also from other rotating components of the fan unit 66 - due to the centrifugal forces generated.
  • the speed required for this depends on the mass of particle volumes agglomerated over time. This centrifugal cleaning can be carried out while the system 12 is in operation or as part of a separate cleaning process.
  • the fan units 66 have collecting elements 78 that are easy to clean and / or replace, which radially surround the impeller 68 and possibly other rotating components, which also have a LABS-free coating 76, so that detached particles are thrown against the collecting elements 78 during rotation to which they then adhere.
  • collecting elements 78 can be formed, for example, from paper, cardboard and plastics, for example plastic films. Collecting elements 78 are in Figure 1 schematically illustrated by dashed rectangles.
  • the impeller 68 can be cleaned manually using a cleaning cloth and known chemical cleaning agents; on account of the coating 76, complex mechanical cleaning by means of a water jet or a dry ice jet can be dispensed with.
  • the LABS-free coating 76 can extend the period of time until an impeller 68 or a fan unit 66 is exchanged or balanced; the time required for cleaning is also shorter than without such a coating 76.
  • the fan unit 66 comprises a sensor system 80, by means of which oscillations and / or vibrations of the fan unit 66 or of components of the fan unit 66 can be detected.
  • the sensor system 80 comprises sensors, of which a sensor in the fan unit 66a is denoted by 82 and a sensor in the fan unit 66b by 84.
  • a sensor in the fan unit 66c in the application area 26 likewise bears the reference numeral 82.
  • the sensors 82, 84 of the sensor system 80 transmit their output signals to the control device 72 via a respective signal line 86. Alternatively, the communication between the sensors 82, 84 and the control device 72 also take place wirelessly.
  • the sensors denoted by 82 each illustrate a rotational vibration sensor which is able to detect vibrations on a rotating component of the fan unit 66.
  • the rotating components of the fan unit 66 include in particular the impeller 68 and the associated rotary shaft.
  • the sensor designated by 84 illustrates a peripheral vibration sensor which is able to detect vibrations on a non-rotating component of the fan unit 66.
  • Such non-rotating components in the periphery of the rotating components of the fan unit 66 are in particular housing structures, struts in the flow space of the fan unit, bearing elements and bearing structures for the impeller 68 and / or the drive motor 70, the drive motor 70 as such and the like.
  • rotation vibration sensors 82 as well as the peripheral vibration sensors 84 in Figure 1 is only an example. In principle, any type of sensor can be installed in a fan unit 66; also can with everyone Fan unit one or more rotational vibration sensors 82 alternatively or additionally one or more peripheral vibration sensors 84 may be provided.
  • Both a rotational vibration sensor 82 and a peripheral vibration sensor 84 can be non-contact sensors, a laser Doppler vibrometer preferably being used in practice.
  • the peripheral vibration sensor 84 can also be a contact sensor that can be mechanically coupled to the component to be monitored.
  • Such contact sensors can work piezoelectrically, piezoresistively, inductively or capacitively, as is known per se.
  • uniaxial, bixaxial or triaxial vibration sensors are known.
  • Vibration sensors are also referred to as acceleration sensors.
  • the rotary vibration sensor 82 is a sensor according to DIN ISO 7919-3: 2018-01, "Mechanical Vibrations - Evaluation of the Vibrations of Machines by Measurements on Rotating Shafts - Part 3: Coupled Industrial Machines".
  • the peripheral vibration sensor is a sensor in accordance with DIN ISO 10816-3: 2018-01, "Mechanical vibrations - Evaluation of the vibrations of machines by measurements on non-rotating parts - Part 3: Industrial machines with a rated power above 15 kW and rated speeds between 120 min -1 and 15000 min -1 for measurements at the installation site.
  • the oscillation and vibration pattern of the fan unit 66 changes, which can be detected by the sensor system 80 and evaluated by means of the control device 72.
  • Cleaning and maintenance or servicing cycles can be planned for the vibration behavior of individual components or the fan unit 66 as a whole.
  • System-specific maintenance times can be predicted and optimized at an early stage on the basis of the vibration data, thereby reducing the risk that the impellers 66 or other components of the fan units 66 may be damaged by premature imbalances and uneven running behavior, or may wear out prematurely.
  • the possible forecasting of maintenance work makes it possible, for example, to use times with a lower utilization of the system, for example on a weekend, for maintenance work without exceeding limit parameters.
  • the control device 72 can set the rotational speed of the impeller 68 of one or more existing fan units 66 depending on one or more output signals of the sensor or sensors 82, 84 of the sensor system 80. Alternatively or in addition, the control device 72 can generate an output signal, in particular a visually or acoustically detectable output signal, which reflects the operating state of the fan unit.
  • the individual fan units 66 can thus be individually controlled by the control device 72 and their speed can be regulated depending on the result of the vibration measurements.
  • the control device 72 can reduce the speed of the first fan unit 66 and increase the speed of the second fan unit.
  • Fan units 66 shown are used, which together form a fan device 88.
  • a fan device 88 comprising two or more fan units 66 is to be understood as a corresponding functional unit.
  • Fan devices 88 only some of the existing fan units 66 are provided with reference numerals.
  • the fan device 88 according to Figure 2 are the fan units 66 as axial fans 90 with axial impellers 92 and according to the fan device 88 Figure 3 designed as radial fans 94 with radial impellers 96.
  • the fan devices 88 can be used in the in Figure 1 illustrated system 12, for example, replace the fan units 66a and 66b there.
  • the fan devices 88 are in both Figures 2 and 3 flows from left to right of the particle-laden exhaust gas 16. If the speed is reduced there in a first fan unit 66, but is increased in a compensatory manner in a second fan unit 66, the total conveying throughput of the fan device 88 does not change. In this way, the operating period can be extended considerably until a necessary cleaning or maintenance.
  • the concept of the present invention can also be applied to impellers and the periphery of devices in which a fan is installed with a corresponding impeller.
  • An example of this is a cooling fan for a drive motor, the impeller of which is then coated accordingly, or which can be equipped with corresponding rotational vibration sensors and / or peripheral vibration sensors.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP19163744.6A 2018-04-12 2019-03-19 Ventilatorsystem, luftsystem und anlage zum behandeln von werkstücken Withdrawn EP3685927A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018108665.2A DE102018108665A1 (de) 2018-04-12 2018-04-12 Ventilatorsystem, Luftsystem und Anlage zum Behandeln von Werkstücken

Publications (1)

Publication Number Publication Date
EP3685927A1 true EP3685927A1 (de) 2020-07-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19163744.6A Withdrawn EP3685927A1 (de) 2018-04-12 2019-03-19 Ventilatorsystem, luftsystem und anlage zum behandeln von werkstücken

Country Status (3)

Country Link
EP (1) EP3685927A1 (zh)
CN (1) CN110374904A (zh)
DE (1) DE102018108665A1 (zh)

Citations (7)

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Publication number Priority date Publication date Assignee Title
DE3722537A1 (de) * 1987-07-08 1989-01-19 Brennenstuhl Kg Hugo Absaugvorrichtung fuer farbspritzraeume
DE102005034768A1 (de) * 2005-07-26 2007-02-01 Daimlerchrysler Ag Verfahren und Einrichtung zum Überwachen des Betriebszustands einer Werkzeugmaschine
DE102007008065A1 (de) * 2007-02-15 2008-08-21 Valeo Klimasysteme Gmbh Verfahren zum Ermitteln der Vibrationen von Fahrzeuggebläsen und Prüfstation hierfür
US20090056750A1 (en) * 2005-04-08 2009-03-05 Matthias Ott Component for a Painting Installation and Device for Removing Paint Therefrom
DE102008013713A1 (de) * 2008-02-29 2009-09-03 Dürr Systems GmbH Lackieranlage
DE202008009985U1 (de) * 2008-07-24 2009-12-17 Ebm-Papst Mulfingen Gmbh & Co. Kg Ventilator- oder Gebläserad mit einer Antihaftbeschichtung
JP2017139318A (ja) * 2016-02-03 2017-08-10 Ｎｅｃプラットフォームズ株式会社 送風装置

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US6264369B1 (en) * 1999-01-29 2001-07-24 General Electric Company Variable vane seal and washer materials
DE102009005154A1 (de) * 2009-01-15 2010-07-22 Wilo Se Vorrichtung zur Verbindung einer elektromotorischen Antriebseinheit mit einer Pumpeneinheit
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Publication number Priority date Publication date Assignee Title
DE3722537A1 (de) * 1987-07-08 1989-01-19 Brennenstuhl Kg Hugo Absaugvorrichtung fuer farbspritzraeume
US20090056750A1 (en) * 2005-04-08 2009-03-05 Matthias Ott Component for a Painting Installation and Device for Removing Paint Therefrom
DE102005034768A1 (de) * 2005-07-26 2007-02-01 Daimlerchrysler Ag Verfahren und Einrichtung zum Überwachen des Betriebszustands einer Werkzeugmaschine
DE102007008065A1 (de) * 2007-02-15 2008-08-21 Valeo Klimasysteme Gmbh Verfahren zum Ermitteln der Vibrationen von Fahrzeuggebläsen und Prüfstation hierfür
DE102008013713A1 (de) * 2008-02-29 2009-09-03 Dürr Systems GmbH Lackieranlage
DE202008009985U1 (de) * 2008-07-24 2009-12-17 Ebm-Papst Mulfingen Gmbh & Co. Kg Ventilator- oder Gebläserad mit einer Antihaftbeschichtung
JP2017139318A (ja) * 2016-02-03 2017-08-10 Ｎｅｃプラットフォームズ株式会社 送風装置

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Title
ANONYMOUS: "Acheson Emralon PTFE Non-Stick Coatings | Orion Industries", 16 May 2016 (2016-05-16), XP055604416, Retrieved from the Internet <URL:https://www.orioncoat.com/industrial-applications/suppliers/acheson-non-stick-coatings/> [retrieved on 20190710] *
TONY WEIR: "The Whitford Engineering Design Guide The Whitford Engineering Design Guide", 23 January 2013 (2013-01-23), XP055604375, Retrieved from the Internet <URL:https://www.whitfordww.com/wp-content/uploads/2018/06/Whitford-Engineering-Design-Guide.pdf> [retrieved on 20190710] *

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DE102018108665A1 (de) 2019-10-17
CN110374904A (zh) 2019-10-25

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