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1
EP3626437A1
METHOD FOR CALIBRATING AN APPARATUS FOR ADDITIVELY MANUFACTURING THREEDIMENSIONAL OBJECTS
Publication/Patent Number: EP3626437A1 Publication Date: 2020-03-25 Application Number: 18196045.1 Filing Date: 2018-09-21 Inventor: Döhler, Tim   Assignee: Concept Laser GmbH   IPC: B29C64/393 Abstract: Method for calibrating an apparatus (1) for additively manufacturing three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam (3), comprising the steps: - providing at least one calibration source (8, 9, 10) in a calibration plane (16) - imaging the calibration source (8, 9, 10) to an actual position (18) in a determination plane (15) comprising at least two determination regions (19 - 27), preferably with given coordinates, in particular arranged in a grid-like pattern - moving the image (28) of the calibration source (8, 9, 10) from the actual position (18) in at least one direction (29, 32, 34, 35) across the determination plane (15) until the image (28) passes from the actual determination region (19 - 27) into another determination region (19 - 27) - determining a distance information indicating a defined distance (30, 33, 36, 37) the image (28) is moved - determining the actual position (18) of the image (28) based on the determined distance information.
2
US202047415A1
Apparatus for Additively Manufacturing Three-Dimensional Objects
Publication/Patent Number: US202047415A1 Publication Date: 2020-02-13 Application Number: 20/191,653 Filing Date: 2019-08-09 Inventor: DÖhler, Tim   Assignee: Concept Laser GmbH   IPC: B33Y50/00 Abstract: Apparatus for additively manufacturing three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy source, comprising a build material application unit that is adapted to receive, in particular powdery, build material and adapted to apply at least one build material layer in a build plane, wherein a determination device with at least one determination unit connected in advance to the build material application unit with respect to the build material flow direction, wherein the determination unit is adapted to determine at least one build material parameter of at least one part of the build material provided to the build material application unit.
3
US202047409A1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US202047409A1 Publication Date: 2020-02-13 Application Number: 20/191,629 Filing Date: 2019-03-06 Inventor: DÖhler, Tim   Assignee: Concept Laser GmbH   IPC: B29C64/393 Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy source (4), comprising a build material application unit (9) that is adapted to receive, in particular powdery, build material (3) and adapted to apply at least one build material layer in a build plane (8), wherein a determination device (17) with at least one determination unit (18) connected in advance to the build material application unit (9) with respect to the build material flow direction (20), wherein the determination unit (18) is adapted to determine at least one build material parameter of at least one part of the build material (3) provided to the build material application unit (9).
4
EP3656539A1
IRRADIATION DEVICE FOR AN APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3656539A1 Publication Date: 2020-05-27 Application Number: 18207633.1 Filing Date: 2018-11-21 Inventor: Döhler, Tim   Assignee: Concept Laser GmbH   IPC: B29C64/153 Abstract: Irradiation device (5) for an apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy source, which Irradiation device (5) comprises at least one irradiation unit (6 - 8), preferably an optical unit, arranged in a housing (9) of the Irradiation device (5), wherein a stream generating device (10) is provided that is adapted to guide a gas stream (11) that is adapted to be charged with residues present inside the housing (9) through the housing (9) of the Irradiation device (5) along a streaming path in which the gas stream (11) at least partially streams alongside or through the at least one irradiation unit (6 - 8) for removing residues from the housing (9).
5
EP3431264B1
APPARATUS FOR ADDITEVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3431264B1 Publication Date: 2020-03-04 Application Number: 17182643.1 Filing Date: 2017-07-21 Inventor: Döhler, Tim   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/371
6
EP3683040A1
OPTICAL DETERMINING DEVICE FOR AN APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3683040A1 Publication Date: 2020-07-22 Application Number: 20160726.4 Filing Date: 2017-07-21 Inventor: Döhler, Tim   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/371 Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam (4), the apparatus (1) comprising: - a process chamber (8) comprising a build plane (7) in which layers of build material (3) are successively layerwise selectively irradiated and consolidated by means of an energy beam (4) during operation of the apparatus (1); - a gas stream generating device (9) configured to generate a gas stream at least partly streaming through the process chamber (8) during operation of the apparatus (1), the gas stream being capable of being charged with non-consolidated build material particles (25), particularly smoke or smoke residues generated during operation of the apparatus (1), while streaming through the process chamber (8); and - an optical determining device (12) configured to optically determine at least one parameter suitable for characterizing the streaming properties of the gas stream streaming through the process chamber (8) during operation of the apparatus (1) at at least one defined location within the process chamber (8).
7
EP3608083A1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3608083A1 Publication Date: 2020-02-12 Application Number: 18188568.2 Filing Date: 2018-08-10 Inventor: Döhler, Tim   Assignee: Concept Laser GmbH   IPC: B29C64/153 Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy source (4), comprising a build material application unit (9) that is adapted to receive, in particular powdery, build material (3) and adapted to apply at least one build material layer in a build plane (8), wherein a determination device (17) with at least one determination unit (18) connected in advance to the build material application unit (9) with respect to the build material flow direction (20), wherein the determination unit (18) is adapted to determine at least one build material parameter of at least one part of the build material (3) provided to the build material application unit (9).
8
EP3698890A1
ARRANGEMENT AND METHOD FOR AT LEAST PARTIALLY INERTING A GAS STREAM THROUGH AT LEAST ONE SEPARATION DEVICE
Publication/Patent Number: EP3698890A1 Publication Date: 2020-08-26 Application Number: 20159993.3 Filing Date: 2017-05-24 Inventor: Herzog, Frank Carsten   Bechmann, Florian   Döhler, Tim   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B08B15/00 Abstract: Anordnung (17) und Verfahren zum zumindest teilweisen Inertisieren eines Gasstroms (7) durch wenigstens eine Abtrennvorrichtung (1), die zur Abtrennung von partikulären Baumaterialbestandteilen aus dem Gasstrom (7) vorgesehen ist, der partikuläres Baumaterial enthält, das bei der additiven Herstellung von dreidimensionalen Objekten (4) durch sukzessives selektives Belichten und somit Verfestigen einzelner Baumaterialschichten eines Baumaterials (5) prozessbedingt entsteht, das mittels eines Energiestrahls (6) verfestigt werden kann, und/oder die wenigstens eine Abtrennvorrichtung (1), die zur Reduzierung eines Feuchtigkeitsgehalts des Gasstroms (7) vorgesehen ist, wobei wenigstens eine erste Abtrennvorrichtung (1a) vorgesehen ist die eine erste Gehäusestruktur (8), wenigstens eine erste Filtereinrichtung und wenigstens eine erste Trocknungseinrichtung (14), umfasst; und wenigstens eine zweite Abtrennvorrichtung (1b) vorgesehen ist, die wenigstens ein zweites Trocknungselement (15) umfasst.
9
EP3431263A1
METHOD FOR OPERATING AT LEAST ONE APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3431263A1 Publication Date: 2019-01-23 Application Number: 17182657.1 Filing Date: 2017-07-21 Inventor: Döhler, Tim   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/357 Abstract: Method for operating at least one apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a powdered build material (3) which can be consolidated by means of an energy beam (4), whereby waste thermal energy (WTE) is generated during operation of the at least one apparatus (1), characterized in that the waste thermal energy (WTE) is at least partly used for generating electrical or mechanical energy (EE, ME) by means of at least one energy converting device (15) and/or the waste thermal energy (WTE) is at least partly used for operating at least one thermal energy consuming device.
10
EP3517276A1
METHOD FOR ADDITIVELY MANUFACTURING A THREE-DIMENSIONAL OBJECT
Publication/Patent Number: EP3517276A1 Publication Date: 2019-07-31 Application Number: 18153284.7 Filing Date: 2018-01-24 Inventor: Döhler, Tim   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/393 Abstract: Method for additively manufacturing at least one three-dimensional object (2) by means of successive layerwise selective irradiation and consolidation of layers (3) of build material (4) which can be consolidated by means of at least one energy beam (5), comprising the steps of: - providing a plurality of process parameter sets (PPS1 - PPSn) each comprising a plurality of process parameters (PP1 - PPn) allowing for a selective consolidation of a layer (3) of build material (4), whereby each process parameter set (PPS1 - PPSn) results in specific properties of the microstructure of an area of the respective layer (3) of build material (4) which was selectively irradiated and consolidated on basis of the respective process parameter set (PPS1 - PPSn); - using at least two different process parameter sets (PPS1 - PPSn) of the plurality of process parameter sets (PPS1 - PPSn) for additively manufacturing at least one three-dimensional object (2) by means by means of the successive layerwise selective irradiation and consolidation of layers (3) of build material (4) which can be consolidated by means of at least one energy beam (5).
11
US201922799A1
METHOD FOR OPERATING AT LEAST ONE APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US201922799A1 Publication Date: 2019-01-24 Application Number: 20/181,593 Filing Date: 2018-03-28 Inventor: DÖhler, Tim   Assignee: CL SCHUTZRECHTSVERWALTUNGS GMBH   IPC: B23K26/342 Abstract: Method for operating at least one apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a powdered build material (3) which can be consolidated by means of an energy beam (4), whereby waste thermal energy (WTE) is generated during operation of the at least one apparatus (1), characterized in that the waste thermal energy (WTE) is at least partly used for generating electrical or mechanical energy (EE, ME) by means of at least one energy converting device (15) and/or the waste thermal energy (WTE) is at least partly used for operating at least one thermal energy consuming device.
12
US201922944A1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US201922944A1 Publication Date: 2019-01-24 Application Number: 20/181,598 Filing Date: 2018-05-16 Inventor: DÖhler, Tim   Assignee: CL SCHUTZRECHTSVERWALTUNGS GMBH   IPC: B29C64/371 Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (2) by successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam (4), the apparatus (1) comprising: —a process chamber (8) comprising a build plane (7) in which layers of build material (3) are successively layerwise selectively irradiated and consolidated by means of an energy beam (4) during operation of the apparatus (1); —a gas stream generating device (9) configured to generate a gas stream at least partly streaming through the process chamber (8) during operation of the apparatus (1), the gas stream being capable of being charged with non-consolidated build material particles (25); and —an optical determining device (12) configured to optically determine at least one parameter suitable for characterizing the streaming properties of the gas stream streaming through the process chamber (8).
13
EP3431264A1
APPARATUS FOR ADDITEVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3431264A1 Publication Date: 2019-01-23 Application Number: 17182643.1 Filing Date: 2017-07-21 Inventor: Döhler, Tim   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/371 Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam (4), the apparatus (1) comprising: - a process chamber (8) comprising a build plane (7) in which layers of build material (3) are successively layerwise selectively irradiated and consolidated by means of an energy beam (4) during operation of the apparatus (1); - a gas stream generating device (9) configured to generate a gas stream at least partly streaming through the process chamber (8) during operation of the apparatus (1), the gas stream being capable of being charged with non-consolidated build material particles (25), particularly smoke or smoke residues generated during operation of the apparatus (1), while streaming through the process chamber (8); and - an optical determining device (12) configured to optically determine at least one parameter suitable for characterizing the streaming properties of the gas stream streaming through the process chamber (8) during operation of the apparatus (1) at at least one defined location within the process chamber (8).
14
EP3575089A1
SUPPORT STRUCTURE FOR SUPPORTING A FUNCTIONAL COMPONENT OF AN APPARATUS FOR ADDITIVELY MANUFACTURING A THREE-DIMENSIONAL OBJECT
Publication/Patent Number: EP3575089A1 Publication Date: 2019-12-04 Application Number: 18175237.9 Filing Date: 2018-05-30 Inventor: Döhler, Tim   Petersen, Martin   Kourkoutsaki, Theodosia   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B33Y30/00 Abstract: Support structure (11) for supporting a functional component of an apparatus (1) for additively manufacturing at least one three-dimensional object (2) by means of successive layerwise selective consolidation of layers of a build material (3), wherein the support structure (11) comprises at least one support structure element which is built of a material or material structure having a coefficient of thermal expansion of 8 x 10-6 K-1 or below 8 x 10-6 K-1.
15
EP3470207A1
PLANT FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3470207A1 Publication Date: 2019-04-17 Application Number: 17196480.2 Filing Date: 2017-10-13 Inventor: Diller, Christian   Dr., Bechmann Florian   Döhler, Tim   Stammberger, Jens   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B29C64/153 Abstract: Plant (1) for additively manufacturing of three-dimensional objects (2), comprising: at least one build apparatus (3) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a powdered build material (4) which can be consolidated by means of an energy beam (5) and/or at least one apparatus (3) adapted to perform at least one pre-processing step of an additive manufacturing process and/or at least one apparatus (3) adapted to perform at least one post-processing step of an additive manufacturing process, whereby at least one control unit (6, 19, 22, 28) that is adapted to control a parameter of a fluid (7, 27) flowing alongside and/or through at least one component (8, 17, 20, 21) of the apparatus (3).
16
DE102016122368A1
Verfahren zur additiven Herstellung eines dreidimensionalen Objekts
Title (English): The method of making 3D objects with addition
Publication/Patent Number: DE102016122368A1 Publication Date: 2018-05-24 Application Number: 102016122368 Filing Date: 2016-11-21 Inventor: DÖhler, Tim   Popp, Alexandra   Pontiller-schymura, Peter   Assignee: CL SCHUTZRECHTSVERWALTUNGS GMBH   IPC: B33Y30/00 Abstract: Verfahren zur additiven Herstellung eines dreidimensionalen Objekts (6), durch sukzessive schichtweise selektive Verfestigung von Schichten eines Baumaterials (9) mit wenigstens einem Energiestrahl, wobei die sukzessive schichtweise selektive Verfestigung des Baumaterials (9) aufgrund eines das additiv herzustellende dreidimensionale Objekt (6) umschreibenden Datensatzes erfolgt, wobei zur Sinterung und/oder Auf- oder Durchschmelzung vorgesehene Baumaterialbereiche in einem unterhalb der Verfestigungstemperatur des Baumaterials (9) liegenden Temperaturbereich erwärmt werden, wobei die Erwärmung des oder der Baumaterialbereiche durch wenigstens einen Heizstrahl (17) erfolgt, der wenigstens einen zum An-, Auf- oder Durchschmelzen eingesetzten Hauptstrahl (18) entweder bereichsweise umgibt oder dem Hauptstrahl (18) vor- oder nachläuft, wobei Hauptstrahl (18) und Heizstrahl (17) zusammen synchron über die Oberfläche des Baumaterials (9) geführt werden.
17
EP3290128A1
SEPARATING APPARATUS FOR SEPARATING PARTICULATE CONSTRUCTION MATERIAL COMPONENTS FROM A GAS FLOW
Publication/Patent Number: EP3290128A1 Publication Date: 2018-03-07 Application Number: 17172837.1 Filing Date: 2017-05-24 Inventor: Herzog, Frank   Dr., Bechmann Florian   Döhler, Tim   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B08B15/00 Abstract: Abtrennvorrichtung (1), welche zur Abtrennung von partikulären Baumaterialbestandteilen aus einem in einer Prozesskammer (2) einer Vorrichtung (3) zur additiven Herstellung dreidimensionaler Objekte (4) durch sukzessives selektives Belichten und damit einhergehendes Verfestigen einzelner Baumaterialschichten aus einem verfestigbaren Baumaterial (5) vermittels eines Energiestrahls (6) prozessbedingt entstehenden, partikuläre Baumaterialbestandteile enthaltenden Gasstrom (7), eingerichtet ist, umfassend: - eine einen zumindest abschnittsweise einem entsprechenden Gasstrom (7) durchströmbaren oder durchströmten Gehäuseinnenraum (9) definierende Gehäusestruktur (8), - wenigstens eine in dem Gehäuseinnenraum (9) angeordnete oder ausgebildete Filtereinrichtung (10), welche wenigstens ein Filterelement (11) zur Abtrennung der partikulären Baumaterialbestandteile aus einem entsprechenden Gasstrom (7) umfasst, - wenigstens eine Trocknungseinrichtung (14), welche wenigstens ein Trocknungselement (15) zur Trocknung des Gasstroms (7) umfasst.
18
DE102017105056A1
Vorrichtung zur additiven Herstellung dreidimensionaler Objekte
Publication/Patent Number: DE102017105056A1 Publication Date: 2018-09-13 Application Number: 102017105056 Filing Date: 2017-03-09 Inventor: Döhler, Tim   Pontiller-schymura, Peter   Trutschel, Felix   Assignee: CL SCHUTZRECHTSVERWALTUNGS GMBH   IPC: C04B35/64 Abstract: Vorrichtung (1) zur additiven Herstellung dreidimensionaler Objekte (2) durch sukzessives schichtweises selektives Bestrahlen und damit einhergehendes sukzessives schichtweises selektives Verfestigen von Baumaterialschichten aus einem vermittels eines Energiestrahls verfestigbaren Baumaterial (3), umfassend: mehrere Bestrahlungseinrichtungen (6, 7), welche zur Erzeugung eines Energiestrahls eingerichtet sind, eine Steuereinrichtung (16), welche zur Erzeugung von den Betrieb der Bestrahlungseinrichtungen (6, 7) steuernden Steuerinformationen und zur Steuerung des Betriebs der Bestrahlungseinrichtungen (6, 7) auf Grundlage erzeugter Steuerinformationen eingerichtet ist, wobei die Steuereinrichtung (16) eingerichtet ist, erste Steuerinformationen zur Steuerung des Betriebs einer ersten Bestrahlungseinrichtung zu erzeugen, auf Grundlage welcher die erste Bestrahlungseinrichtung einen ersten Energiestrahl (4a) zum sukzessiven schichtweisen selektiven Verfestigen einer Baumaterialschicht erzeugt, und eingerichtet ist, zweite Steuerinformationen zur Steuerung des Betriebs einer zweiten Bestrahlungseinrichtung zu erzeugen, auf Grundlage welcher die zweite Bestrahlungseinrichtung einen zweiten Energiestrahl (4b) zur thermischen Vorbehandlung einer selektiv zu verfestigenden Baumaterialschicht und/oder einen zweiten Energiestrahl (4b) zur thermischen Nachbehandlung einer selektiv verfestigten Baumaterialschicht erzeugt.
19
EP3372404A1
DEVICE FOR ADDITIVE PRODUCTION OF THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: EP3372404A1 Publication Date: 2018-09-12 Application Number: 17180166.5 Filing Date: 2017-07-07 Inventor: Pontiller-schymura, Peter   Döhler, Tim   Trutschel, Felix   Assignee: CL Schutzrechtsverwaltungs GmbH   IPC: B33Y10/00 Abstract: Vorrichtung (1) zur additiven Herstellung dreidimensionaler Objekte (2) durch sukzessives schichtweises selektives Bestrahlen und damit einhergehendes sukzessives schichtweises selektives Verfestigen von Baumaterialschichten aus einem vermittels eines Energiestrahls verfestigbaren Baumaterial (3), umfassend: mehrere Bestrahlungseinrichtungen (6, 7), welche zur Erzeugung eines Energiestrahls eingerichtet sind, eine Steuereinrichtung (16), welche zur Erzeugung von den Betrieb der Bestrahlungseinrichtungen (6, 7) steuernden Steuerinformationen und zur Steuerung des Betriebs der Bestrahlungseinrichtungen (6, 7) auf Grundlage erzeugter Steuerinformationen eingerichtet ist, wobei die Steuereinrichtung (16) eingerichtet ist, erste Steuerinformationen zur Steuerung des Betriebs einer ersten Bestrahlungseinrichtung zu erzeugen, auf Grundlage welcher die erste Bestrahlungseinrichtung einen ersten Energiestrahl (4a) zum sukzessiven schichtweisen selektiven Verfestigen einer Baumaterialschicht erzeugt, und eingerichtet ist, zweite Steuerinformationen zur Steuerung des Betriebs einer zweiten Bestrahlungseinrichtung zu erzeugen, auf Grundlage welcher die zweite Bestrahlungseinrichtung einen zweiten Energiestrahl (4b) zur thermischen Vorbehandlung einer selektiv zu verfestigenden Baumaterialschicht und/oder einen zweiten Energiestrahl (4b) zur thermischen Nachbehandlung einer selektiv verfestigten Baumaterialschicht erzeugt.
20
DE102016116501A1
Abtrennvorrichtung zur Abtrennung von partikulären Baumaterialbestandteilen aus einem Gasstrom
Title (English): Separation device for separating the composition of particulate building materials from gas current
Publication/Patent Number: DE102016116501A1 Publication Date: 2018-03-08 Application Number: 102016116501 Filing Date: 2016-09-02 Inventor: Herzog, Frank   Bechmann, Florian   DÖhler, Tim   Assignee: CL SCHUTZRECHTSVERWALTUNGS GMBH   IPC: B22F3/105 Abstract: Abtrennvorrichtung (1), welche zur Abtrennung von partikulären Baumaterialbestandteilen aus einem in einer Prozesskammer (2) einer Vorrichtung (3) zur additiven Herstellung dreidimensionaler Objekte (4) durch sukzessives selektives Belichten und damit einhergehendes Verfestigen einzelner Baumaterialschichten aus einem verfestigbaren Baumaterial (5) vermittels eines Energiestrahls (6) prozessbedingt entstehenden, partikuläre Baumaterialbestandteile enthaltenden Gasstrom (7), eingerichtet ist, umfassend: – eine einen zumindest abschnittsweise einem entsprechenden Gasstrom (7) durchströmbaren oder durchströmten Gehäuseinnenraum (9) definierende Gehäusestruktur (8), – wenigstens eine in dem Gehäuseinnenraum (9) angeordnete oder ausgebildete Filtereinrichtung (10), welche wenigstens ein Filterelement (11) zur Abtrennung der partikulären Baumaterialbestandteile aus einem entsprechenden Gasstrom (7) umfasst, – wenigstens eine Trocknungseinrichtung (14), welche wenigstens ein Trocknungselement (15) zur Trocknung des Gasstroms (7) umfasst.
Total 2 pages