EP3455504A1 - Vorrichtung, insbesondere lüftervorrichtung, und verfahren zur dämpfung einer vorrichtung, insbesondere lüftervorrichtung - Google Patents
Vorrichtung, insbesondere lüftervorrichtung, und verfahren zur dämpfung einer vorrichtung, insbesondere lüftervorrichtungInfo
- Publication number
- EP3455504A1 EP3455504A1 EP17755501.8A EP17755501A EP3455504A1 EP 3455504 A1 EP3455504 A1 EP 3455504A1 EP 17755501 A EP17755501 A EP 17755501A EP 3455504 A1 EP3455504 A1 EP 3455504A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- unit
- fan
- damping
- bearing
- elements
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 title claims abstract description 230
- 238000000034 method Methods 0.000 title claims description 7
- 238000003860 storage Methods 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 8
- 230000035939 shock Effects 0.000 description 16
- 238000009434 installation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012858 resilient material Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 235000019589 hardness Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
-
- 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
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
-
- 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
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
- F04D25/062—Details of the bearings
-
- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/059—Roller bearings
Definitions
- Device in particular fan device, and method for damping a device, in particular fan device
- the invention relates to a device, in particular a fan device, according to claim 1 and a method for damping a device, in particular a fan device, according to claim 14.
- CN 20467751 1 U is a fan with a fan housing, with a at least partially disposed within the fan housing fan and with a designed as a spring damping unit for damping an axial movement of the fan in exactly one axial direction is known.
- the object of the invention is, in particular, a generic
- the invention relates to a device, in particular a fan device, with a first unit, in particular a first fan unit, with a second unit, in particular a second fan unit, with a storage unit, which contains the first unit, in particular the first fan unit, and the second unit, in particular the second fan unit, one
- Rotary axis rotatably supports relative to each other, and with a damping unit, which is intended to one, in particular by a shock, a vibration,
- Fan unit in a direction of rotation at least substantially aligned parallel to the first axial direction and in an at least substantially aligned parallel to the axis of rotation and in particular the first axial direction opposite second axial direction at least partially attenuate.
- the term "provided” is to be understood to mean in particular specially designed and / or equipped.Assuming that an object is intended for a specific function should in particular mean that the object fulfills this specific function in at least one application and / or operating state and /
- "at least substantially parallel” is to be understood as meaning, in particular, an orientation of a direction relative to a reference direction, in particular in a plane, the direction being opposite to the direction
- Reference direction has a deviation, in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
- the device can be used in particular as a storage device, preferably
- Ball bearing device for example, a motor, a drive, another mounted by means of a ball bearing device or the like may be formed.
- the device is designed as a fan device.
- a "fan device” should be understood as meaning, in particular, at least one part, a fan, in particular a diagonal fan, a radial fan and / or preferably an axial fan
- the first unit, in particular the first fan unit is advantageous as a fan housing designed and in particular provided to provide at least one, advantageously exactly one, receiving space for the second unit, in particular second fan unit, and / or to accommodate the second unit, in particular second fan unit, at least partially and preferably at least a major part at least a majority of "should be understood in particular at least 55%, preferably at least 65%, preferably at least 75%, more preferably at least 85% and most preferably at least 95%.
- the second unit, in particular second fan unit is preferably designed as a fan wheel and / or fan rotor and in particular rotatably mounted about the axis of rotation.
- the second unit, in particular second fan unit in the present case, in particular at least one, preferably exactly one, fan magnet, at least one, preferably exactly one, fan shaft, which in particular defines the axis of rotation, and / or at least one, advantageously exactly one impeller.
- at least one, preferably exactly one, fan magnet at least one, preferably exactly one, fan shaft, which in particular defines the axis of rotation, and / or at least one, advantageously exactly one impeller.
- Bearing unit is understood to mean, in particular, a unit which is advantageously provided for at least partially accommodating the first unit, in particular the first fan unit, and / or the second unit, in particular the second fan unit, and in particular rotatably supporting and / or supporting it
- the bearing unit is furthermore preferably separate from the first unit, in particular the first fan unit, and / or from the second unit, the bearing unit being at least one bearing element, in particular designed as a slide bearing and / or roller bearing.
- a "damping unit” is to be understood in particular as a unit, in particular with at least one damping element, which is provided for this purpose, in particular the device, in particular fan device, in particular the first unit, in particular first fan unit, the second unit, in particular second fan unit , and / or the bearing unit, acting, shocks, shocks, vibrations and / or vibrations at least partially
- the damping unit is provided in the present case, a relative movement of the first unit, in particular first fan unit, and the second unit, in particular second fan unit in a direction of rotation at least substantially aligned parallel first axial direction, in which a distance, in particular a minimum and / or maximum distance between the first unit, in particular the first fan unit, and the second unit, in particular the second fan unit, and / or a subarea of the first unit, in particular the first fan unit, and a further subarea of the second unit, in particular the second fan unit, enlarged, and in a to the axis of rotation at least substantially parallel aligned second axial direction, in which a distance, in particular a minimum and / or maximum distance between the first unit, in particular first fan unit, and the second unit, in particular two Fan unit, and / or a portion of the first unit, in particular first fan unit, and a further portion of the second unit, in particular second fan unit, reduced, at least partially attenuate.
- Damping element for this purpose at least partially between the first unit, in particular first fan unit, and the second unit, in particular second fan unit, and advantageously in a connection region between the first unit, in particular first , ,
- Fan unit, and the second unit, in particular second fan unit advantageously in a region of the storage unit, arranged. Particularly preferably contacted the
- Fan unit the second unit, in particular second fan unit, and / or the
- a device in particular fan device
- a device can be provided with improved properties with respect to a damping effect.
- the damping unit is at least provided to one on the
- Bearing unit acting force in particular impact force
- the damping unit is intended to at least partially damp a force acting on the at least one bearing element of the bearing unit and advantageously on all bearing elements of the bearing unit, in particular impact force.
- the bearing unit advantageously relieved and a probability of failure of the device, in particular fan device can be minimized.
- the damping unit has at least one at least partially, preferably at least a large part and particularly preferably completely, flexibly and preferably elastically formed damping element, an advantageously simple and / or cost-effective damping effect can be achieved.
- an "elastic object” should be understood to mean, in particular, an object which has at least one partial area and / or at least one part which is in a normal position
- Operating state at least in its position by at least 0.1 cm, preferably by at least 0.25 cm and more preferably by at least 0.5 cm, is elastically changeable, and in particular a dependent on a change in position and preferably proportional to the change counterforce generated, in particular , ,
- the elastic object is repeated, in particular damage-free, deformable and strives, in particular after a deformation, independently back to a basic shape.
- that exists in particular damage-free, deformable and strives, in particular after a deformation, independently back to a basic shape.
- Damping element in this case at least partially, preferably at least a large part and particularly preferably completely, of a flexible and preferably elastic material.
- the flexible and advantageously elastic material may in particular be a silicone, an elastomer, a thermoplastic, a rubber
- the damping unit further comprises at least one, advantageously a stop exhibiting, holding element, which in particular has an operative connection with the damping element and
- damping element is designed as a spring element, in particular as a plate spring, whereby in particular a particularly space-efficient design and / or an advantageous distribution of forces can be achieved.
- a spring element in particular as a plate spring
- Damping element however, as a polymer element, as an elastomer element, as
- Silicone element as a gel element and / or deviating from a disc spring
- Be designed spring element in particular as a compression spring, as a leaf spring and / or as a spiral spring.
- the damping unit could in particular comprise exactly one damping element, which could be fastened on one side by means of a force, positive and / or material connection to at least one component of the device, in particular fan device, for example to the retaining element.
- a force, positive and / or material connection to at least one component of the device, in particular fan device, for example to the retaining element.
- the damping unit has at least two separately formed damping elements.
- the damping elements are spatially separated and / or spaced from each other.
- the damping unit preferably comprises at least two
- each of the damping elements is associated with one of the retaining elements.
- a damping effect can be optimized.
- the damping elements are arranged offset to one another in the direction of the axis of rotation.
- the damping elements are arranged in the direction of the axis of rotation on opposite sides of the bearing unit.
- damping elements are arranged coaxially with respect to the axis of rotation. In this way, in particular, an almost space-neutral design can be achieved. In addition, an advantageous installation can be achieved.
- Damping elements are at least substantially identical in construction.
- at least substantially identical objects are meant in particular objects that are at least substantially identical to each other
- the objects which are at least substantially identical in construction are preferably identical to one another, apart from manufacturing tolerances and / or within the scope of production engineering possibilities and / or within the scope of standardized tolerances.
- the holding elements of the damping unit are advantageously at least substantially identical in construction. In this way, in particular a uniform and / or symmetrical force distribution can be achieved.
- an advantageous tension between the first unit, in particular the first fan unit, the second unit, in particular the second fan unit, and the storage unit can be achieved.
- the bearing unit could, for example, be designed as a sliding bearing and / or have at least one bearing element designed as a slide bearing.
- the bearing unit has at least one bearing element configured as a roller bearing, in particular as a roller bearing and advantageously as a ball bearing.
- the bearing element comprises in particular at least one inner ring, , ,
- the damping unit is provided for, in particular by a shock, a vibration, vibrations and / or vibrations caused, force on at least one of a rolling body of, in particular designed as a rolling bearing,
- the damping unit is provided for guiding and / or guiding the force via the inner ring and / or advantageously the outer ring of the bearing element designed in particular as a roller bearing, advantageously by means of a contact between the retaining element and the inner ring and / or advantageously outer ring.
- the bearing unit has at least two bearing elements formed separately from one another and preferably offset in the direction of the axis of rotation.
- the bearing elements are arranged coaxially with respect to the axis of rotation.
- the bearing elements are at least substantially identical in construction. Particularly advantageous are the
- At least one damping element in particular at least one damping element of the two separately formed
- At least one damping element in particular at least one damping element of the two separately formed
- Damping elements on a in the direction of the axis of rotation of the center of the bearing unit facing side of the other of the two bearing elements is arranged.
- an attenuation can be advantageously adapted to expected main directions of action of attacking forces.
- the biasing member is particularly intended to modify and / or adjust a spring force and / or a basic deflection of one of the disc springs by biasing the plate spring.
- the damping elements are different
- Damping be concentrated on a damping element.
- the damping elements can be designed differently, for example as differently shaped and / or differently hard disc springs.
- the damping elements are formed identical to each other and adjustable by means of an adjustment mechanism, for example, the biasing element, for example in their respective spring hardnesses and / or their respective damping properties.
- the at least one biasing element is provided, in particular in a mounted state of the device, in particular fan device, to generate a substantially different damping behavior of the at least two separately formed damping elements.
- a damping behavior can be adapted to expected forces.
- advantageous for damping certain movements, such as micro-movements provided damping behavior on a
- Damping elements in a disassembled state in particular a
- the invention is based on a method for damping a device, in particular a fan device, wherein the device, in particular fan device, a first unit, in particular first fan unit, a second unit, in particular second fan unit, and a bearing unit comprising the first unit,
- first fan unit in particular first fan unit
- second unit in particular second
- Fan unit rotatably mounted relative to each other about an axis of rotation, wherein, in particular by means of a damping unit, in particular caused by a shock, vibration, vibration and / or vibrations, relative movement of the first unit, in particular first fan unit, and the second unit, in particular second
- Fan unit and the storage unit can be achieved.
- the device, in particular fan device, and the method for damping the device, in particular fan device, are not intended to the above
- the device, in particular the fan device, and the method for damping the device, in particular the fan device, for fulfilling a mode of operation described herein may have a different number from a number of individual elements, components and units mentioned herein.
- a fan designed by way of example as an axial fan with a device, in particular a fan device, in a side sectional view;
- the fan 28a serves, for example, for cooling an electrical appliance. Alternatively, a fan could also be designed as a diagonal fan and / or radial fan and / or used in another field of application.
- the fan 28a comprises a device. The device is designed as a fan device.
- the fan device comprises a first unit 10a and a second unit 12a.
- the first unit 10a is formed as a first fan unit 10a.
- the second unit 12a is formed as a second fan unit 12a.
- the first fan unit 10a is as
- Fan housing 66a formed.
- the first fan unit 10a is provided to provide a receiving space for the second fan unit 12a and to at least partially accommodate the second fan unit 12a in a fully assembled one.
- the second fan unit 12a is formed in the present case as a fan.
- the second fan unit 12a is designed as a rotor, in particular external rotor.
- the second fan unit 12a comprises a main body 30a. To connect the second
- Fan unit 12a with the first fan unit 10a the second fan unit 12a also includes a fan shaft 32a.
- the fan shaft 32a is disposed on the main body 30a.
- the fan shaft 32a defines an axis of rotation 16a.
- the second fan unit 12a is at least partially disposed in the receiving space of the first fan unit 10a in the mounted state.
- the second fan unit 12a is rotatably mounted in the mounted state about the rotation axis 16a.
- a first fan unit and / or a second fan unit could also be part of a fan wheel, such as a fan shaft, a base body, a rotor blade and / or a rotor magnet, as part of a fan housing 66a, such as a sidewall and / or bottom wall of a fan housing 66a, and / or be designed as another component of a fan.
- the fan device comprises a bearing unit 14a.
- the bearing unit 14a is formed separately from the first fan unit 10a and the second fan unit 12a.
- the first fan unit 10a, the second fan unit 12a and the bearing unit 14a accordingly have no common components.
- the bearing unit 14a comprises exactly two bearing elements 24a, 26a.
- the bearing elements 24a, 26a are at least substantially identical in construction.
- the bearing elements 24a, 26a are formed separately from each other.
- the bearing elements 24a, 26a are spatially separated and / or spaced from each other.
- the bearing elements 24a, 26a are arranged coaxially with respect to the axis of rotation 16a.
- the bearing elements 24a, 26a are arranged offset to one another in the direction of the axis of rotation 16a.
- a minimum distance between the bearing elements 24a, 26a is at least 10% and advantageously at least 20% of a main extension length of the fan shaft 32a.
- a first bearing element 24a of the bearing elements 24a, 26a is arranged on a side facing the main body 30a of the second fan unit 12a.
- a second bearing element 26a of the bearing elements 24a, 26a is arranged on a side facing away from the main body 30a of the second fan unit 12a.
- the bearing elements 24a, 26a each have a side 62a, 64a facing a center of the bearing unit 14a in the direction of the axis of rotation 16a.
- the bearing elements 24a, 26a each have a side 58a, 60a facing away from a center of the bearing unit 14a in the direction of the axis of rotation 16a.
- Rolling elements 42a, 44a A respective inner ring 34a, 36a of the inner rings 34a, 36a and a respective outer ring 38a, 40a of the outer rings 38a, 40a are arranged concentrically with respect to the axis of rotation 16a.
- the inner rings 34a, 36a are facing the fan shaft 32a.
- the outer rings 38a, 40a are facing away from the fan shaft 32a.
- a bearing unit could also have exactly one bearing element and / or at least three bearing elements.
- a bearing unit has at least one designed as a plain bearing bearing element.
- at least one could - -
- Bearing element in principle also be designed as deviating from a ball bearing bearings, such as needle bearings or the like.
- the fan device has a securing unit 54a.
- Securing unit 54a is integrally formed.
- the securing unit 54a is formed in the present case as a securing ring.
- the securing unit 54a is provided in a manner known per se for securing the second fan unit 12a in the receiving space of the first fan unit 10a, and in particular for moving the second fan unit 12a in at least one spatial direction, in particular against one
- the securing unit 54a is provided to encompass the fan shaft 32a in an assembled state, in particular in an end region facing away from the main body 30a of the second fan unit 12a.
- a fuse unit could also be formed integrally with a first fan unit and / or a second fan unit.
- the fan device comprises a damping unit 18a.
- the damping unit 18a is formed separately from the first fan unit 10a, the second fan unit 12a and the bearing unit 14a.
- the first fan unit 10a, the second fan unit 12a, the bearing unit 14a and the damping unit 18a accordingly have no common components.
- the damping unit 18a is formed in several parts in the present case.
- the damping unit 18a is in an assembled state between the first
- the damping unit 18a is arranged in a connection region between the first fan unit 10a and the second fan unit 12a.
- the damping unit 18a is arranged centrally in the first fan unit 10a, in particular the receiving space of the first fan unit 10a, in an assembled state.
- the damping unit 18a surrounds the fan shaft 32a of the second fan unit 12a.
- the damping unit 18a is intended to at least partially damp a relative movement of the first fan unit 10a and the second fan unit 12a, caused, for example, by shocks, vibrations, vibrations and / or vibrations.
- the damping unit 18a is intended to at least partially damp a relative movement of the first fan unit 10a and the second fan unit 12a, caused, for example, by shocks, vibrations, vibrations and / or vibrations.
- the present case the
- Damping unit 18a provided to a relative movement of the first fan unit 10a and the second fan unit 12a in a direction of rotation about the axis of rotation 16a at least substantially aligned first axial direction and in a to the axis of rotation 16a - -
- the damping unit 18a is provided, a relative movement of the first fan unit 10a and the second fan unit 12a, in which a distance between the first fan unit 10a and the second fan unit 12a and / or a portion of the first fan unit 10a and a further portion of the second Fan unit 12a increases, at least partially attenuate.
- the damping unit 18a is provided to at least partially attenuate a relative movement in which a distance between the first fan unit 10a and the second fan unit 12a and / or a portion of the first fan unit 10a and a further portion of the second fan unit 12a decreases.
- the damping unit 18a is at least provided to at least partially damp and in particular reduce a force acting on the bearing unit 14a and in particular the bearing elements 24a, 26a, thereby advantageously preventing damage to the bearing elements 24a, 26a.
- Damping elements 20a, 22a are in the direction of the axis of rotation 16a
- Damping elements 20a, 22a associated with one of the bearing elements 24a, 26a In the present case, a first damping element 20a of the damping elements 20a, 22a is assigned to the first bearing element 24a. In addition, a second damping element 22a of the damping elements 20a, 22a associated with the second bearing element 26a.
- the damping elements 20a, 22a are arranged such that each of the
- damping elements 20a, 22a are respectively arranged on the sides 58a, 60a of the bearing element 24a, 26a facing away from the center of the bearing unit 14a in the direction of the axis of rotation 16a.
- Damping unit 18a exactly two holding elements 46a, 48a.
- the holding elements 46a, 48a are at least substantially identical in construction.
- the holding elements 46a, 48a are formed separately from each other.
- the holding elements 46a, 48a are spatially separated and / or spaced from each other.
- the holding elements 46a, 48a are arranged coaxially with respect to the axis of rotation 16a.
- the holding elements 46a, 48a are rotationally symmetrical with respect to the axis of rotation 16a.
- the holding elements 46a, 48a are offset from one another in the direction of the axis of rotation 16a.
- the holding elements 46a, 48a are arranged in the direction of the axis of rotation 16a on opposite sides of the bearing unit 14a.
- Each of the holding elements 46a, 48a is one of the
- Holding elements 46a, 48a serve in the present case at least as a pressure base for the damping elements 20a, 22a.
- each of the holding elements 46a, 48a comprises a stop 47a, 49a.
- Stops 47a, 49a are arranged in the present case in an edge region of the holding elements 46a, 48a facing away from the fan shaft 32a.
- the stoppers 47a, 49a extend in the direction of a central region of the fan shaft 32a.
- the stops 47a, 49a each extend in the direction of a respective holding element 46a, 48a associated bearing element 24a, 26a.
- the holding elements 46a, 48a are arranged such that each of the stops 47a, 49a a, the respective holding element 46a, 48a associated, bearing element 24a, 26a, in the present case, in particular the outer ring 38a, 40a, in at least one
- the damping unit 18a is provided for, in particular by a shock, a vibration, vibrations and / or vibrations effected, force on at least one of the respective rolling elements 42a, 44a of the respective
- a damping unit could also have a different number of retaining elements, such as
- Figures 2 and 3 show the fan 28a in different operating conditions and / or load conditions.
- FIG. 2 shows a suspended arrangement of the fan 28a.
- the first fan unit 10a is fixed to a support 50a and advantageously clamped, while the second
- Fan unit 12a is arranged hanging.
- the second fan unit 12a pulls on the securing unit 54a with an accelerated force.
- a direction of the accelerated force is indicated by an arrow 52a.
- the accelerated force is transmitted via the securing unit 54a to the bearing unit 14a and in particular the second bearing element 26a.
- FIG. 3 shows a vertical arrangement of the fan 28a.
- the first fan unit 10a is arranged on a support 50a, while the second fan unit 12a is arranged in the direction of gravity above the first fan unit 10a.
- a shock or the like in particular on the second fan unit 12a, an accelerated force is transmitted to the bearing unit 14a and in particular the first bearing element 24a.
- a direction of the accelerated force is again indicated by means of an arrow 52a.
- FIGS. 4 to 7 show four further exemplary embodiments of the invention.
- the following descriptions and the drawings are essentially limited to the differences between the exemplary embodiments, with respect to identically named components, in particular with regard to components having the same reference numerals, - -
- FIG. 4 shows a fan 28b with an alternative fan device.
- Damping elements 20b, 22b comprises the damping unit 18b in addition to the two
- Holding elements 46b, 48b are offset from one another in the direction of the axis of rotation 16b.
- the holding elements 46b, 48b are arranged in the direction of the axis of rotation 16b on mutually facing sides 62b, 64b of the bearing unit 14b.
- Each of the holding elements 46b, 48b is associated with one of the damping elements 20b, 22b and / or one of the bearing elements 24b, 26b.
- Stops 47b, 49b are arranged in the embodiment shown in Figure 4 on one of a fan shaft 32b of the fan device facing edge region of the holding elements 46b, 48b.
- the stops 47b, 49b extend in a direction away from a central region of the fan shaft 32b, parallel to the axis of rotation 16b.
- the stops 47b, 49b each extend in the direction of one of the respective
- Holding elements 46b, 48b are arranged such that each of the stops 47b, 49b a, the respective holding element 46b, 48b associated, bearing element 24b, 26b, in the present case, in particular the inner ring 34b, 36b, in at least one
- FIG. 5 shows a fan 28c with a further alternative fan device.
- the fan device has a first fan unit 10c and a second fan unit 12c.
- the first fan unit 10c has a fan housing 66c.
- the fan device has a fan shaft 32c.
- the fan shaft 32c is provided to rotate about a rotation axis 16c.
- the fan device has a bearing unit 14c and a
- the bearing unit 14c has two bearing elements 24c, 26c.
- the damping unit 18c has two damping elements 20c, 22c.
- the biasing member 56c is formed as a ring member.
- the biasing member 56c is positively and / or positively connected to the fan housing 66c, preferably formed integrally with the fan housing 66c.
- the biasing element 56c forms a stop for a bearing element 24c, 26c.
- the biasing member 56c deflects the bearing members 24c in a direction parallel to the rotation axis 16c on the other bearing member 26c dressed.
- the biasing member 56c causes a bias of the damping element 20c.
- the biasing element 56c is provided to predetermine an installation space for the damping element 20c, 22c, in particular a spring installation space of a plate spring.
- the biasing element 56c preferably reduces the installation space, in particular the spring installation space. It is conceivable that by means of a variation of a position of the biasing element 56c in the direction of the rotation axis 16c and / or by means of a variation of an extension of the biasing element 56c parallel to the rotation axis 16c, a variable installation space, in particular spring installation space, can be generated. As a result, advantageously, a spring force of the damping element 20c, 22c, in particular the plate spring, can be adjusted and / or varied. Advantageously, in particular depending on the installation space, different spring forces
- the biasing element 56c advantageously biases the damping element 20c, which faces along the axis of rotation of one side of the fan device, on which engagement of an external, for example micromotion, exciting force
- the biasing member 56c biases the
- Damping element 20c in front which faces along the axis of rotation 16c of a rotor side of the fan device, wherein the rotor side is in particular formed as a side of the fan device, which has a rotating fan unit 12c in the operating state.
- This can advantageously an excitation of at least a portion of
- Bearing unit 14c in particular at least one bearing element 24c, 26c, are avoided by external forces, which in particular micro-movements of the bearing unit 14c, in particular at least one bearing element 24c, 26c, and / or on the bearing unit
- Damping element 20c has a much harder damping behavior than the other damping element 22c.
- the fan device shown in the embodiment of Figure 6 has a bearing unit 14d and a damping unit 18d.
- the bearing unit 14d has two bearing elements 24d, 26d.
- the damping unit 18d has two damping elements 20d, 22d.
- the damping elements 20d, 22d are formed differently from each other.
- Fan device has a first fan unit 10d and a second fan unit 12d.
- the second fan unit 12d is provided to rotate about a rotation axis 16d.
- the damping unit 18d comprises two holding elements 46d, 48d.
- the holding elements 46d, 48d are in the direction of
- Rotary axis 16d offset from one another.
- the holding element 46d is arranged in the direction of the axis of rotation 16d on a side 58d facing away from a center of the bearing unit 14d.
- the damping element 20d is arranged in the direction of the axis of rotation 16d on a side 58d facing away from a center of the bearing unit 14d.
- Holding member 48d is in the direction of the axis of rotation 16d on a the center of the
- each of the holding elements 46d, 48d comprises a stop 47d, 49d.
- Holding element 46d arranged.
- the stopper 47d of the holding member 46d extends in a direction facing a central portion of the fan shaft 32d, parallel to the rotation axis 16d.
- the stop 49d of the other holding element 48d is arranged in the embodiment shown in Figure 6 in one of a fan shaft 32d of the fan device facing edge region of the other holding element 48d.
- the abutment 49d of the other holding element 48d extends in a direction away from a central region of the fan shaft 32d, parallel to the axis of rotation 16d.
- the stop 49d of the other holding element 48d has a substantially greater extent parallel to the axis of rotation 16d than the stop 47d of the holding element 46d.
- Holding element 46d is arranged such that the stop 47d of the holding element 46d, a bearing element 24d associated with the holding element 46d, in particular in the case shown in FIG. 6, the outer ring 38d, in at least one application state,
- Damping elements 20d defined and / or definable limit value, directly contacted.
- the damping unit 18d is added thereto
- the holding element 48d is arranged in such a way that the stop 49d of the holding element 48d is a bearing element 26d assigned to the holding element 48d, in particular the inner ring 36d shown in FIG. 6, in at least one application state.
- Damping element 20d has one of the other damping element 22d
- the fan device shown in the embodiment of Figure 7 has a bearing unit 14e and a damping unit 18e.
- the bearing unit 14e has two bearing elements 24e, 26e.
- the damping unit 18e has two damping elements 20e, 22e.
- the damping elements 20e, 22e are formed different from each other.
- Fan device has a first fan unit 10e and a second fan unit 12e.
- the second fan unit 12e is provided to rotate about an axis of rotation 16e.
- the damping unit 18e comprises two retaining elements 46e, 48e.
- the holding elements 46e, 48e are in the direction of
- Rotary axis 16e offset from one another.
- the holding element 46e is arranged in the direction of the axis of rotation 16e on a side 62e facing a center of the bearing unit 14e.
- the damping element 20e is arranged in the direction of the axis of rotation 16e on a side 62e facing a center of the bearing unit 14e.
- Holding member 48e is in the direction of the rotation axis 16e on a center of the
- the damping element 22e is arranged in the direction of the axis of rotation 16e on a side 64e facing away from the center of the bearing unit 14e.
- each of the holding elements 46e, 48e comprises a stop 47e, 49e.
- Stop 47e of the retaining element 46e is in the embodiment shown in Figure 7 in a fan shaft 32e of the fan device facing edge region of the
- Holding element 46e arranged.
- the stop 47e of the holding element 46e extends in a direction away from a central region of the fan shaft 32, parallel to the axis of rotation 16e.
- the stop 49e of the other holding element 48e is arranged in an edge region of the other holding element 48e facing away from a fan shaft 32e of the fan device.
- the stopper 49e of the other holding member 48e extends in a direction facing a central portion of the fan shaft 32e, parallel to the rotation axis 16e.
- the stop 49e of the other holding element 48e has a substantially smaller extent parallel to the axis of rotation 16e than the stop 47e of the holding element 46e.
- Damping element 20e defined and / or definable limit value, directly contacted. In the case of FIG. 7, the damping unit 18e is added thereto
- the holding member 48 e is arranged such that the stopper 49 e of the holding member 48 e, the
- Damping element 22e defined and / or definable limit, contacted directly.
- the damping unit 18e is added thereto
- Damping element 20e has one of the other damping element 22e
- the spring force of the damping element 20e is greater than the spring force of the other damping element 22e.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Support Of The Bearing (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016115933 | 2016-08-26 | ||
PCT/EP2017/071068 WO2018036980A1 (de) | 2016-08-26 | 2017-08-22 | Vorrichtung, insbesondere lüftervorrichtung, und verfahren zur dämpfung einer vorrichtung, insbesondere lüftervorrichtung |
Publications (2)
Publication Number | Publication Date |
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EP3455504A1 true EP3455504A1 (de) | 2019-03-20 |
EP3455504B1 EP3455504B1 (de) | 2023-10-04 |
Family
ID=59686956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP17755501.8A Active EP3455504B1 (de) | 2016-08-26 | 2017-08-22 | Vorrichtung, insbesondere lüftervorrichtung, und verfahren zur dämpfung einer vorrichtung, insbesondere lüftervorrichtung |
Country Status (3)
Country | Link |
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EP (1) | EP3455504B1 (de) |
CN (1) | CN210135114U (de) |
WO (1) | WO2018036980A1 (de) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE582962C (de) * | 1931-08-04 | 1933-09-07 | Ver Kugellagerfabriken Akt Ges | Spielfreie Waelzlagerung |
DE1718426U (de) * | 1955-09-07 | 1956-03-08 | Star Kugelhalter Ges M B H Deu | Lager fuer die lenksaeule eines kraftwagens. |
US5982066A (en) * | 1997-04-11 | 1999-11-09 | Nidec America Corporation | Electric motor |
DE10259710A1 (de) * | 2002-12-19 | 2004-07-15 | Robert Bosch Gmbh | Elektrische Maschine |
WO2006001243A1 (ja) * | 2004-06-25 | 2006-01-05 | Osaka Vacuum, Ltd. | ターボ分子ポンプの軸受支持構造 |
DE202006013999U1 (de) * | 2006-09-08 | 2006-11-09 | Asia Vital Components Co., Ltd., Hsin Chuan | Dämpfung für Kühlventilator |
WO2011038884A1 (de) * | 2009-10-03 | 2011-04-07 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Diagonalventilator |
US20120144939A1 (en) * | 2010-12-13 | 2012-06-14 | Arne Lars Jonas Kullin | Double Bearing Assembly for Rotating Shaft |
FR3003914B1 (fr) * | 2013-03-28 | 2015-10-16 | Snecma | Palier a double precharge interne |
DE102014102134A1 (de) * | 2014-02-19 | 2015-08-20 | Itb Precisietechniek | Dämpfungseinheit |
JP6344102B2 (ja) * | 2014-07-14 | 2018-06-20 | 株式会社豊田自動織機 | 電動過給機 |
CN204677511U (zh) | 2015-06-17 | 2015-09-30 | 奇鋐科技股份有限公司 | 风扇减震结构及具有减震结构的风扇 |
-
2017
- 2017-08-22 CN CN201790001183.6U patent/CN210135114U/zh active Active
- 2017-08-22 EP EP17755501.8A patent/EP3455504B1/de active Active
- 2017-08-22 WO PCT/EP2017/071068 patent/WO2018036980A1/de unknown
Also Published As
Publication number | Publication date |
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CN210135114U (zh) | 2020-03-10 |
WO2018036980A1 (de) | 2018-03-01 |
EP3455504B1 (de) | 2023-10-04 |
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