CN109954330A - Filter device for being filtered to compressed air - Google Patents
Filter device for being filtered to compressed air Download PDFInfo
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- CN109954330A CN109954330A CN201811532548.5A CN201811532548A CN109954330A CN 109954330 A CN109954330 A CN 109954330A CN 201811532548 A CN201811532548 A CN 201811532548A CN 109954330 A CN109954330 A CN 109954330A
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- Prior art keywords
- locking
- filter
- filter element
- head housings
- main shaft
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0004—Details of removable closures, lids, caps or filter heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0013—Modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2265/02—Non-permanent measures for connecting different parts of the filter
- B01D2265/027—Quick closing means for, e.g. filter heads, caps, maintenance openings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/885—Control specific to the type of fluid, e.g. specific to magnetorheological fluid
- F15B2211/8855—Compressible fluids, e.g. specific to pneumatics
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
It is proposed that a kind of filter device for being filtered to compressed air, filter device possess filter assemblies, filter assemblies then include the filter head housings of cup-shaped and the filter element with filter element.The shell opener that filter element passes through end face can be fitted into or be loaded into the inner space of filter head housings to enter using in position, and wherein this can be in a manner of it can unclamp come locking lockable mechanism using position.Lockable mechanism includes the first locking device for possessing at least one mobilizable locking element, locking element has locking protrusion, the locking projects through can radially move the artificial manipulation of locking element about the main shaft of filter assemblies, be fitted into so as to be fitted into about the second locking device progress locking being arranged in filter head housings and be detached from locking.Filter element combines the manipulation for locking element that can not only move to by pure linear movement using can move out in position but also from using in position.
Description
Technical field
The present invention relates to a kind of filter device for being filtered to compressed air, which has one to possess master
The filter assemblies of axis, the filter assemblies include the filter head housings of cup-shaped and possess the filter element of filter element, wherein institute
The inner spaces of the filter head housings can be packed into or be loaded by stating filter element and passing through the shell opener of end face in the axial direction
In with enter use position in, wherein arranging that of lockable mechanism on the filter element and in the filter head housings
First and second locking devices of this cooperation, by the lockable mechanism, the filter element is relative to the filter head housings
It is locked in the case where cannot being axially moved in a manner of it can unclamp to use in position.
Background technique
One kind possessing filter assemblies from such filter device disclosed in 11 2,011 105 227 T5 of DE, institute
It states filter assemblies and uses the filter element institute being loaded into the filter head housings in position by the filter head housings of cup-shaped and at it
Composition.The filter element possesses filter element, and the filter element is run through when using the filter device by compressed air
It flows through, for filtering out filth from the compressed air.The filter assemblies can be manipulated uniformly, this is in main body
Aspect simplifies installation and removal, the filter assemblies its using when the main body is fixed in a manner of it can unclamp
On.In order to which the filter element to be fixed in the filter head housings and there are lockable mechanism, which, which possesses, is arranged in
Locking device on the filter element and the filter head housings, the locking device by the filter element, about mistake
The rotation that filter shell carries out is optionally able to enter chimeric or be detached from chimeric.If the locking device is single in the filtering
In the use position of member being locked up each other among being fitted into, then the filter element is just relative to the filter head housings
It is locked up in a manner of it can unclamp in the case where cannot being axially moved.
Summary of the invention
The task of the present invention is provide a kind of filter device, for the filter device when being mutually locked and unlocking
Simplify the manipulation for the filter element and filter head housings.
In order to solve this task, be provided that in conjunction with feature mentioned in the beginning: the first locking device possess to
A few locking element being movably arranged on the filter element, the locking element have by described in manually manipulation
Locking element and can be described along locking that the radial direction about the main shaft moves protrusion, by the locking protrusion
Locking element the filter element be locked up using in position with the second lock device for being arranged in the filter head housings
Part be in locking it is chimeric among, wherein the filter element passes through edge in conjunction with the manipulation at least one locking element
The main shaft axial direction orientation pure linear movement can not only move to institute relative to the filter head housings
It states using can move out in position and from described using in position.
The filter assemblies include the filter head housings and filter element of cup-shaped, which, which possesses, carries out compressed air
The filter element of filtering.The filter element its using passed through in position end face, be when in use usually directed toward vertically upward
Shell opener be loaded into the inner space of the filter head housings, to occupy it using position.The filter element is in institute
Stating locking or can so be locked up using in position about the filter head housings, so that the two components are at any time being capable of pine
The mode opened is coupled to each other in the case where that cannot be axially moved.Advantageously, not only for locking process but also to unlock
For process all opposite rotary motion cannot be executed between two components of the filter assemblies.It is not disposed only on the quilt
Locking using the process in position and also from it is described be locked up can be by means of described using the process taken out in position
The pure axial linear movement of filter element is implemented.What is be fatefully responsible for this is on the arrangement filter element
The structure of first locking device, the first locking device possess at least one and are movably arranged on the filter element
Locking element, the locking element have locking protrusion, and the artificial manipulation that the locking projects through for locking element can
It is moved along the radial direction relative to the main shaft.During this radial motion of the locking protrusion, described
One locking device can in locking and in unlock by the second locking device for being arranged in the filter head housings, without
Need the opposite rotary motion between the filter element and the filter head housings.Unlocking process can advantageous by for
The direct artificial manipulation of at least one locking element is implemented.Identical manipulation feasible program carrys out the locking process
It says and is also advantageously present, but wherein advantageously, the locking device is so mutually coordinated each other, enable the locking process
It is enough to implement by means of being also referred to as the clamping lock process of buckle process, the movement base of the locking element during clamping lock
In following situations, it may be assumed that sliding on the second locking device when the filter element to be inserted into the filter head housings
It moves and thus promotes the radial motion being previously mentioned.
Of the invention is advantageously improved scheme by learning in dependent claims.
It is preferred that the first locking device be equipped with two main shafts about the filter assemblies it is diametrically opposed and
And the locking element that can be manipulated independently of one another.This combines simple singlehanded unlock --- by with thumb and another finger
Described two locking elements are manually manipulated simultaneously --- it ensure that the locking of reliable axial direction.
The locking element can such as be configured to the locking baffle mobile transverse to the main shaft
(Verriegelungsschieber).But, following structure types are considered as particularly advantageous, the institute in the structure type
The each locking element for stating the first locking device is configured to hook-shaped, and being configured to can about the main shaft of the filter assemblies
The structure radially deflected.
Each hook-shaped locking element advantageously comprises the operator region separated with the locking protrusion distributed, the behaviour
Vertical section more particularly in order to be unlocked and direct labor import steering force.
The hook-shaped locking element is preferably suspended in the filter element in a manner of it can deflect to seesaw type
On, wherein the locking protrusion and the operator region are on the reciprocal side in swinging mounting region.The manipulation
Section can such as be loaded with finger, and more particularly to move along the radial direction about the main shaft, therefrom be generated
It is arranged in the locking protrusion on identical locking element, opposite radial deflection.
It is preferred that the locking element is flexibly suspended on the filter element, so that it causes to deviate described in the cancellation
Steering force when automatically swing return in unmigrated home position.In this respect advantageously, the swinging mounting area
Domain is made up of at least one material contact pin that can be resiliently deformed of the filter element.There is it is following it is advantageous can
Row scheme, it may be assumed that the locking element is such as configured to fish tail plate (laschenf rmig), and being utilized respectively being capable of bullet
The material contact pin deformed to property is suspended on reciprocal fringe region in a manner of it can flexibly deflect.
The second locking device being arranged in filter head housings advantageously comprises at least one about the main shaft line footpath
The not movable locking protrusion positioned to ground, in the use position of the filter element being locked up, the locking protrusion
At least one on the axial end face of the axial direction orientation along the main shaft by the first locking device can live
The locking protrusion of dynamic locking element is blocked from below.It is preferred that axial direction of the mobilizable locking element along the main shaft
Direction is inserted through beside the locking protrusion radially, and is extended to and above-mentioned lock with locking protrusion along radial direction
Only in raised axial end face region adjacent in the axial direction.
It is preferred that the locking protrusion of at least one locking element is oriented towards the direction of the main shaft inwards radially,
And at least one locking protrusion of the second locking device is then outwardly away from the main shaft radially in the opposite direction
Ground is prominent.The filter element be locked up using in position, the locking element is advantageously in radially outer from described
The side of the locking protrusion of second locking device extends.
The second locking device preferably possesses the cricoid locking protrusion coaxial with the main shaft of the filter assemblies,
The filter element be locked up using in position, each locking element of the first locking device with its locking protrusion with
Above-mentioned cricoid locking protrusion be in locking it is chimeric among.Thus, it is possible to be particularly easy to realize a kind of lockable mechanism, the locking
Mechanism allows institute in existing opposite rotation position arbitrarily, between the filter element and the filter head housings each
State clamping lock process.The cricoid locking protrusion is preferably annularly configured to closed structure itself.
The cricoid locking protrusion of the second locking device advantageously defines and the main shaft on axial side
The coaxial annular groove of line, in the use position of the filter element being locked up, each locking of the first locking device
Element is fitted in the annular groove with its locking protrusion.
As implied, it is advantageous to it is each it is arbitrary, relative to the filter head housings about the main shaft
In rotation position occupied by line, the filter element can be oriented pure by the axial direction along the main shaft
Linear movement is described using position to move to, and moves out from described use in position.In this way, it does not need
Specific between the filter element and the filter head housings causes locking or unlock according to the orientation of rotation angle.Especially
Thus the locking measure is simplified significantly and can be spent with the low time to implement.
The filter element its be locked up using being advantageously locked up described in the holding in position using position
In the case of can relative to the filter head housings around its main shaft rotate.In this opposite rotary motion, described
One locking device slides on the second locking device along the peripheral direction of the main shaft, embedding without losing locking
It closes.This measure can especially come in conjunction with a kind of design scheme it is very advantageously accomplished, in this design scheme as above
Face it has been mentioned that as, the second locking device possesses in order to common with each locking element of the first locking device
The cricoid locking protrusion of effect and setting.
Advantageously, at least one locking element of the first locking device be so flexibly flexibly arranged in it is described
On filter element, so that the locking element passes through when the filter element to be linearly inserted into the filter head housings
With the contact of the second locking device and can temporarily deviate, and can in not direct manned situation
It is placed in chimeric with the clamping lock of the second locking device.In this respect, the locking element is advantageously provided with about described
The inclined loading surface of main shaft, when the filter element to be inserted into the filter head housings, the locking element is in radial direction
Offset while can be slided on the second locking device with the loading surface.
In this way, direct artificial manipulation is not needed to carry out at least one described locking element by the mistake
Unit is filtered together with the filter head housings locking.With the consumption of certain power across the end face shell opener by the filtering
The way that unit is pressed into the filter head housings is enough, so that at least one described locking element is by being applied at this
Artificial steering force and be engaged in the second locking device, and related to this carry out the clamping lock that can be unclamped.
The first locking device is advantageously arranged in the filter element, using in position in the filter element
For the filter head housings shell opener distribute, in axial end section.
It is preferred that the filter element has the centering ring being defined to axial open centering gap, the filter
Shell the filter element using in position with axis surrounding the shell opener and with the second locking device
It is entered in the centering ring to end section.In this way, generate the filter element about the filter head housings
Coaxial centering.At least one described locking element is advantageously integrated into this centering ring of the filter element.It should
Locking element can by the centering ring, the longitudinal section more particularly to flexibly move constituted.The centering ring can
It is segmented, wherein each locking element is added in two of centering ring phases each other along the peripheral direction of the main shaft
After annular segments between.
The filter element advantageously comprises individual filter element pedestal related to this other than the filter element.
The filter element pedestal is connect in a manner of it can unclamp there are two gathering around in the case where the filter element is added in the axial direction
The base body being combined, one of base body forms the fixed area of the filter element in the base body
Section, which has the first locking device, and is locked up by filter element described in the fixing section described
Be fixed in the filter head housings using in position.The filter element is preferably configured as sleeve-shaped and is preferably configured as
Open column shape.The filter element is especially configured to filter core (Filterpatrone).If the filter element is dirty, that is just
It can easily be replaced by the temporary dismantling of the filter element pedestal.
It is preferred that the filter device includes main body, the main body has downside, and the filter assemblies are in its running position
In be installed on the downside in a manner of it can unclamp by the axial upper side with the shell opener preceding.It is described
Main body is passed through by access road and by exit passageway, and wherein this two passes merges in the downside of the main body at one end
On, so that the inside of they and the filter assemblies for occupying running position is among fluidly connecting.This two passes is furthermore
With connector that can be accessible from the outside, so as to convey and compressed air to be filtered is discharged.
The filter assemblies such as can in a manner of it can unclamp by means of bayonet coupling mechanism in running position
Installation is mounted on the body.
The filter device is preferably designed to the so-called maintenance utensil for being handled compressed air
(Wartungsger t).It is preferred that the filter device is so constituted, so as to be used as multiple for realizing modularly structure
At one of the maintenance utensil of maintenance unit.
Detailed description of the invention
The present invention is explained in detail below by way of attached drawing.In the accompanying drawings:
Fig. 1 illustrates in perspective view a kind of preferred embodiment by filter device of the invention；
Fig. 2 shows the filter device of Fig. 1 with the vertical section of the cutting line II-II according to Fig. 1；
Fig. 3 shows the section of the cutting line III-III according to Fig. 2 and 4 of the filter device, wherein the filter device
, the component of main body visible in fig. 2 be not shown,
Fig. 4 shows the filter assemblies present in the filter device of Fig. 1 and 2, cutting line IV-IV according to Fig. 3 vertical profile
Face, wherein showing the details of an amplification in the interception part framed with chain-dotted line；
Fig. 5 with the section different from Fig. 4 show the filter assemblies another according to Fig. 3 cutting line V-V vertical section,
It is wherein shown in the section framed with chain-dotted line and the filter element is being axially inserted into the filter head housings
State when middle, and the details of an amplification is wherein shown in the interception part that another is framed with chain-dotted line,
Fig. 6 however with it is isometric projection show the vertical section filter assemblies, similar with the vertical section of Fig. 5；
Fig. 7 shows another equiaxial vertical section of the filter assemblies, wherein illustrate only the outer of the filter assemblies
The a quarter of Zhou Yanshen；
Fig. 8 shows the explosive view of the filter device, wherein can individually find out main body, the filter element and the mistake
Filter shell, and wherein the filter element itself is also individually shown with explosive view again；And
Fig. 9 is again with the vertical section for the cutting line IX-IX according to Fig. 8 that is showing the filter element that explodes.
Specific embodiment
It is described to can be used in being filtered compressed air come the filter device indicated in its entirety by reference number 1,
For filtering out the filth included in the compressed air.
The filter device 1, which preferably possesses, is such as configured to block-like main body 2, arranges use on the outer surface of the main body
In the entrance 3a for being fed with compressed air to be filtered and outlet 4a for allowing the compressed air by filtering to flow out.Described
Main body 2, common using on the downside 5 being vertical downwardly directed in position, in the case where occupying its running position with
The mode that can be unclamped is mounted with filter assemblies 6.The filter assemblies 6 possess imaginary main shaft 7, which limits simultaneously
The main shaft of entire filter device 1.
The filter assemblies 6 include be configured to the filter head housings 8 of cup-shaped and when occupying it using position at least partly
And the filter element 9 being preferably completely accommodated in the filter head housings 8.
The filter assemblies 6 possess the upper side 12 being axially directed, the filter assemblies in the operating position with
The upper side 12 is on the downside 5 for being preceding arranged to the main body 2.By means of fixed mechanism 13 --- the fixed mechanism
Be arranged in component part on the filter assemblies 6 and be partially positioned in the main body 2 --- the filter assemblies 6 with
The mode that can be unclamped is fixed in the main body 2.It is preferred that the fixed mechanism 13 is configured to bayonet coupling mechanism, thus
It is installed by grafting-rotation-movement, and is torn open by rotary motion and subsequent axial pull-out campaign
It unloads.
The filter assemblies 6 possess the shell-inner space 14 limited by the filter head housings 8, and the filter element 9 protrudes into
Into the shell-inner space 14.In the region of the upper side 12, the filter head housings 8 possess be axially directed, limit
The shell opener 15 of the entrance towards the shell-inner space 14 is determined, the filter element 9 passes through the shell opener 15 and is inserted into
Into the shell-inner space 14.The filter element 9 is at least partly configured to hollow structure, and defines filtering
Unit-inner space 16, it is empty that the filter element-inner space 16 can pass through the inside in there on axial end face
M- opening 17 approaches.Inner space-the opening 17 orients identically as the shell opener 15 of the shell-inner space 14, and
And it is preferably in identical height about the axial direction of the main shaft 7 and the shell opener 15.
It is simplifiedly also only referred to only as main shaft direction below the axial direction of the main shaft 7 or is referred to as axial direction side
To.
The entrance 3a belongs to the access road 3, which passes through the main body 2 and merge in have and flow into
On the downside 5 of mouth 3b.The outlet 4a belongs to the exit passageway 4 equally passed through from the main body 2, which converges
On the downside 5 with outflux 4b.In the mounted running position of the filter assemblies 6, the inflow entrance 3b is logical
It crosses the shell opener 15 to communicate with the shell-inner space 14, and the outflux 4b passes through the inner space-opening 17
It is communicated with the filter element-inner space 16.
In the operation of the filter device 1, compressed air is supplied by the entrance 3a, the compressed air is worn
The access road 3 is crossed to be flowed into the shell-inner space 14.The compressed air extends therethrough the mistake of filter element 9
It is filter part 19, ventilative and at the same time the filter wall 18 of filtration reaches in the filter element-inner space 16, it
It extends therethrough the inner space-opening 17 to flow in the exit passageway 4, it passes through the outlet 4a and leaves the outlet
Channel 4, to be conveyed to the driving device run using mechanism, such as with compressed air.
When flowing therethrough from the filter wall 18 being such as made of fibrous material or agglomerated material, it is in the compression
Filth in air is filtered off, thus the compressed air flowed out at the outlet 4a has high degree of purity.
When using the filter device 1, which is fixed on advantageous by its main body 2 and is not further indicated
Supporting structure on.
The fixed mechanism 13, belong to the component part of filter assemblies 6 and be advantageously positioned only at the filter head housings 8
On, and not be arranged on the filter element 9.The component part is exemplarily existed by multiple about the main shaft 7
The bayonet coupling protrusion 13a radially stretched out is constituted.
In the inoperative position of the filter assemblies 6 being not installed in main body 2, the filter element 9 and described
Filter head housings 8 can also be assembled into one it is can uniformly manipulating and be not fixed on movably in the axial direction each other
Structural unit above.It is loaded into shell-inner space 14 of the filter head housings 8 here, the filter element 9 occupies
Using position, be directed to be locked up uses position, this using filter element 9 described in position relative to the filtering
It is locked up in a manner of it can unclamp in the case that device shell 8 is not movable in the axial direction.Following lockable mechanisms 22 are responsible for this energy pine
The locking opened, the lockable mechanism 22 is by the first locking device 22a for being arranged on the filter element 9 and is arranged in the mistake
The second locking device 22b on filter shell 8 is formed.
It is the filter element 9, that the unified navigabilities of filter assemblies 6 is responsible for, about 8 quilt of filter head housings
Locking can such as be found out in Figure 4 and 5 to 7 using position.It is only left in Fig. 5 partly to show the use position being locked up
It sets, and the interception part shown in right half figure then shows the filter element 9 and the filter head housings 8 being incorporated in one
Stage when rising, at this stage described in lock device part 22a, 22b mutually there are no in the lock in the axial direction playing locking effect
Among being only fitted into.
Shell-the inner space 14 is blocked by the filter head housings 8 in surrounding Fluid Sealing.With the upside
On the downside 23 opposite in the axial direction of face 12, the filter head housings 8 advantageously have condensate discharge mechanism 24, and it is cold to pass through this
Lime set output mechanism, the condensate liquid agglomerated in the shell-inner space 14 can when needed or be automatically discharged.It is excellent
The condensate discharge mechanism 24 is selected to be loaded into the airtight shell ontology 25 of the filter head housings 8.
The filter element 9 possesses fixing section 26, which is preferably in following axial directions of the filter element 9
End section on, the inner space-opening 17 being axially directed is arranged in the axial end section.Institute
It states the mounted of filter element 9 to use in position, the fixing section 26 is preferably at least substantially and at the shell opener 15
In in identical axial height, and at least partially into the shell-inner space 14.
Unique component part of the advantageously described filter element 9 of the fixing section 26, passes through the component part institute
Filter element 9 is stated to be fixed in the filter head housings 8 in the use position being locked up.Using there as starting point, the mistake
It is terminated with filtering 9 free end bearing of unit (frei tragend) and freely in its end section towards the downside 23
(frei endend) extend into the shell-inner space 14.
The fixing section 26 advantageously defines cricoid flowing gap 27 coherent in the axial direction, the compressed air
The flowing gap can be passed through to be flowed into the shell-inner space 14 from the access road 3.It is advantageously the flowing
Gap 27 is assigned with swirl generator part 28, and the swirl generator part is used to that the compressed air of percolation to be made to be vortexed
(Drall), this is advantageous for the air distribution in the shell-inner space 14.
The fixing section 26 is thus advantageously equipped with the vortex generation mechanism for the compressed air.
The first locking device 22a is advantageously configured as the integrated component part of the fixing section 26.Described
Two locking device 22b be advantageously at especially be made of glass or the shell ontology 25 made of plastic material on.
The second locking device 22b advantageously constructs axial end in the filter head housings 8, towards upper side 12
On portion's section, the end section is also referred to as the upper end section 32 of the filter head housings 8 following for simplifying.
The the second locking device 22b for belonging to the filter head housings 8 includes that at least one is configured to and first locking
The locking protrusion 33 of the common locking effect of device 22a.Preferably and according to shown embodiment, herein relate to and the master
Axis 7 is coaxial, cricoid locking protrusion 33.This cricoid locking protrusion 33 is about the main shaft 7 and annular flange
(Ringbund) analogously outwardly protruding radially, and possess the end towards downside 23, the lower part axial direction
Face 34, the end face of the axial direction are also referred to as locking surface 34 following for preferably differentiation is carried out.This axial end face 34 is especially
It is annular surface.
The locking protrusion 33 of the annular advantageously defines the upper end section 32 for being introduced in the filter head housings 8
Annular groove 35 in periphery, the annular groove are coaxially oriented with the main shaft 7.Towards the upper side 12, the annular
Locking protrusion 33 is connected on the annular groove 35, and the annular groove is thus in the axial direction under the locking protrusion 33
Side.
Towards the direction of the downside 23, annular sealing element holding tank 36 is advantageously connected to this road with axial spacing
On annular groove 35, sealing ring 36a is contained in the sealing element holding tank 36, quilt of the sealing ring in the filter assemblies 6
It is sticked in the case where sealing in the main body 2 in the running position of installation, to be used for relative to environment to the filtering group
The channel 3,4 of part 6 and inside are sealed.
The locking protrusion 33 of the annular is arranged non-movablely and is preferably rigidly constructed in the filter element 9
On.
First locking device 22a of the lockable mechanism 22 includes that at least one is movably arranged in the filter element
Locking element 37 on 9.It is preferred that the first locking device 22a include it is multiple in distribution perfectly even around the master
The mobilizable locking element 37 being arranged in the distribution of axis 7 on the filter element 9.It is considered as particularly advantageously, just
There are two locking elements 37, the locking element is arranged in described on about the main shaft 7 diametrically opposed position
In the fixing section 26 of filter element 9.This is suitable for the embodiment.
The locking element 37 can manipulate independently of one another, and be respectively provided with locking protrusion 38, the locking protrusion
Executed when manipulating distributed locking element 37 it is being oriented radially about the main shaft 7, shown by double-head arrow
Working motion 42.By the direction of motion, the unlocking movement 42a indicated in the accompanying drawings by arrow is herein related to, or be related to not
The opposite locking movement further shown.The especially true implementation of the first locking device 22a, so that the unlocking movement
42a is radially backwards to the main shaft 7.This is suitable for the embodiment.
Each locking element 37 is advantageously configured as hook-shaped, and is hung in a manner of it can deflect to seesaw type
On the filter element 9.So carry out the arrangement so that axis of oscillation be preferably in it is at right angle with the main shaft 7
In plane.The axis of oscillation is limited by swinging mounting region 43, and the swinging mounting region preferably passes through at least one
The material contact pin 44 that can be resiliently deformed is constituted.
Each locking element 37 is exemplarily arranged on the periphery of periphery of the fixing section 26, and along described
The peripheral direction of main shaft 7, namely around the main shaft 7 extend little by little (St ü ckweit).Here, each locking
Element 37 is all on its reciprocal end regions of peripheral direction about the main shaft 7 respectively by can flexibly become
The material contact pin of shape is fixed on the fixing section 26, rigid base section 55.This point can be especially clearly
Find out from the picture on the right of Fig. 8.
The locking element 37 is transverse to opposite towards each other come the axis of oscillation limited by the swinging mounting region 43
Direction it is prominent from the swinging mounting region 43.On the side in the swinging mounting region 43, the locking element 37
Possess locking protrusion 38, the operator region 45 that can artificially load is possessed on opposite side.The operator region as a result,
45 separate with the locking protrusion 38, wherein formed two lever arms, in the lever arm wherein a lever arm by institute
It states the section extended between swinging mounting region 43 and the operator region 45 to be constituted, and another lever arm is by described
The section extended between swinging mounting region 43 and the locking protrusion 38 is constituted.
The locking protrusion 38 is arranged in the locking in the case where being preferably directed toward main shaft 7 inwards radially
On element 37.It is described be locked up using in position, the locking element 37 with the locking protrusion 38 from radially outer into
Enter into the annular groove 35, and thus from blocking the locking surface 34 axially downwardly oriented below at its downside.Therefore,
9 shape of filter element is fixed in locking manner, to prevent from pulling out from the filter head housings 8 in the axial direction.
The filter element 9, in the position of use it is existing, about filter head housings 8 axial insertion depth it is outstanding
, by the backstop convex shoulder 46 of the fixing section 26 come previously given, the backstop convex shoulder 46 is exemplarily supported on the mistake for it
On the upper surface of the upper end section 32 of filter shell 8.
As a result, in the use position being locked up, the filter element 9 is along two axial directions of the main shaft 7
Direction has obtained fixation about the not movable mode shape of the filter head housings 8 in locking manner.
By the way that steering force FB is artificially applied to this mode on the operator region 45, the locking element can be made
It is deflected out in 37 home positions being never manipulated, wherein locking protrusion 38 executes unlocking movement 42a.If the mistake
In the home position not being manipulated described in using position of filter unit 9 being locked up, then this just causes the locking machine
The unlock of structure 22, this provides the feasible program for pulling out the filter element 9 from the filter head housings 8 in the axial direction.
Each locking element 37 is advantageously so flexibly arranged on the filter element 9, so that in the filtering
When unit 9 is inserted into the filter head housings 8, lock position is occupied in the home position not being manipulated.
Here, that there are lockings between 38 and the second locking device 22b of the locking protrusion is chimeric.
When artificially manipulating the locking element 37, the unlocking movement 42a therefrom generated causes the shape of elastic reset power
At the reset force then causes following result, it may be assumed that if cancelling the steering force, institute from the locking element 37 again
Stating locking element 37, just automatically swing returns in the lock position.
In order to assemble the filter assemblies, by the filter element 9 with its downside opposite with the fixing section 26
It is inserted into the filter head housings 8 preceding across the shell opener 15.Here, according to the interception figure of Fig. 5, first lock device
Second locking device 22b of the part 22a close to the filter head housings 8.It, can be by directly artificially in order to cause locking effect
Existing locking element 37 is moved out from its home position to the operator region 45 load this mode of steering force FB
Into unlocked position, so that it can be from the demonstration in the insertion process of the filter element 9 carried out according to arrow 47
Property the side of locking protrusion 33 of annular be inserted through (vorbeigreifen), and reach with the annular groove 35 identical
Axial height.If cancelling the steering force FB now, the locking element 37 returns in its home position with regard to swinging, institute
Stating home position now is the lock position, they and the second locking device 22b are in axis in the lock position
To locking it is chimeric among.
The filter assemblies 6, from the state removed in main body 2, can in the opposite manner at any time again will be described
Filter element 9 takes out from the filter head housings 8.Such as it can be with the thumb and another finger of hand in described two locks
The filter element 9 is only caught on the operator region 45 of element 37, and the operator region 45 is squeezed, to make institute
It states locking element 37 to deflect into the unlocked position from the lock position, then can be easily unlocked described
Filter element 9 pulled out from the filter head housings 8.
Shown embodiment provides additional advantage, it may be assumed that the filter element 9 is being encased in the filter head housings 8
It is described above, by loading caused by the operator region 45, for the direct people of the locking element 37 when middle
Work manipulation can stop when needed.For the linear movement 48 carried out in the sense that being inserted into 47, each locking element
37 are all pressed on the second locking device 22b, especially with being especially directed toward the loading surface constituted on following end face 52 at it
It is pressed onto the locking protrusion 33 of the annular, and is thus pushed outwardly radially.Thus it is only necessary to be applied to
The artificial insertion force on filter element 9 is stated, for making the locking element 37 move to the solution from the home position
In lock position.When being further inserted into, the locking protrusion 38 slides over the locking protrusion 33 of the annular in radially outer,
And it is then automatically engaged in the annular groove 35 and enters in lock position due to the reset force of elasticity.
The lockable mechanism 22 allows, in conjunction with the manipulation for each locking element 37, by along the main shaft
Pure linear movement 48 that the axial direction of line orients, being indicated by double-head arrow, makes the filter element 8 can not only
It moves in the use position and can be moved out from described use in position.The filter element 9 is not needed especially
, additional rotary motion relative to the filter head housings 8.
This point is promoted in the following manner, it may be assumed that is assigned with second lock together for all locking elements 37
The only locking protrusion 33 of the annular of device 22b.The filter element 9 is each arbitrarily relative to the filter head housings 8 as a result,
It can not only be moved to by pure linear movement 48 in occupied rotation position described using in position but also can
It is moved out from described use in position.For for the locking effect and also for the unlock effect, it is micro- not
Sufficient road, which perimeter region of the locking protrusion 38 and the locking protrusion 33 of the annular of at least one locking element 37
Duan Jinhang cooperation.
In this regard, any guiding measure and/or location measure, the guiding measure and/or location measure are not needed yet
Be responsible for causing following result, it may be assumed that the filter element 9 only one or more is completely specific, about the filter
It can be encased in the filter head housings 8 or can be drawn from the filter head housings 8 in spin angular position occupied by shell 8
Out.This allows inexpensively to manufacture the filter assemblies 6.
The especially true composition of the lockable mechanism 22 so that the filter element 9 its be locked up using in position
It can be free around the main shaft 7 relative to the filter head housings 8 in the case where the use position for keeping this to be locked up
Ground rotation, wherein the first locking device 22a is slided along the second locking device 22b.Here, in conjunction with by described
Caused by the application of steering force FB, the direct artificial manipulation for the locking element 37, pure linear fortune can be passed through
Dynamic 48 by the filter element 9 from being pulled out from the filter head housings 8 in each arbitrary spin angular position.
According to a kind of unshowned embodiment, there is following possibilities: being substituted by all 37 joint distributions of locking element
Annular locking protrusion 33, for each locking element 37 distribute one oneself, the locking in the filter head housings 8 it is convex
Play 33.
The fixing section 26 of the filter element 9 is advantageously determined with especially formed integrally on its radial periphery
Thimble 53, the centering ring define in the axial direction towards the open centering gap 54 in the downside of the filter element 9.The centering
Ring 53 is disposed concentrically upon with the main shaft 7.The centering ring 53 advantageously has L-shaped section, and wherein it is with the first L- branch
Arm 53a is formed on the base section 55 of the fixing section 26, and with its another article of the 2nd L- support arm 53b relative to institute
Base section 55 is stated to be downwardly projected with radial spacing.The centering gap 54 is thus in inner radial by the base section 55
Periphery limit, and limited in radially outer by the inner circumferential of the 2nd L- support arm 53a stretched down.
The radial width in the centering gap 54 and the width of the upper end section 32 of the filter head housings 8 match, and make
It obtains the same end section 32 and enters the centering gap from below in the use position of the filter element 9 being locked up
In 54, orient the filter element 9 and the filter head housings 8 accurately coaxially with each other.The centering effect can also
It is enough to be promoted in the following manner, it may be assumed that the centering gap 54 is equipped with the cross section profile to attenuate inwards radially, this is applicable in
In the embodiment.
At least one locking element 37 of the first locking device 22a is advantageously integrally integrated into the centering ring
In 53.It is described to integrate especially true progress, enable the locking element 37 to be added into the periphery of the centering ring 53
(Umfangsverlauf) in, and the area for the 2nd L- support arm 53b of the centering ring 53 stretched down especially is formed
Section, it is described to be used for the first L- support arm 53a that base section 55 is connected advantageously in the region of corresponding locking element 37
Cancel, not interfere its pendulum motion.
The material contact pin 44 of the elasticity is advantageously respectively in the locking element 37 and the centering ring being capable of swinging movement
53, along the peripheral direction of the main shaft 7 be connected thereto rigidity section between establish elasticity one connection.
Especially Fig. 8 and 9 illustrates a kind of preferred multimember construction of the filter element 9.Here, the filtering is single
First 9 one side include already mentioned filter element 19, and on the other hand include individually multimember filtering related to this
Device pedestal 56, the filter element pedestal by two be bonded together in the axial direction in a manner of it can unclamp first and second
Base body 56a, 56b are formed, and the filter element pedestal carries the filter element 19.
At least one described mobilizable locking element 37 is preferably integrally integrated into the filter element pedestal 56.
The first base body 56a forms the fixing section 26 of the filter element 9.It is preferably substantially configured to cover
Tubular, and possess especially as internal screw thread the first coupling section 57a constructed on periphery in it.
The second base body 56b possesses annular or dish type support section 58, bonding pad on its downside
The protrusion from the support section 58 upwards in the axial direction of section 59, the jointing 59 is on it on end in the periphery
There is the second coupling section 57b being exemplarily made of external screw thread in region.
The filter element 19 is configured to sleeve-shaped, and is especially configured to open column shape, and is plugged into described
On the jointing 59 of two base body 56b, wherein the filter element 19 be supported on axial end below it is described
It supports on section 58.The jointing 59 is coaxially passed through from the filter element 19 of the sleeve-shaped, and with its second
Coupling section 57b is fixed on the first coupling section 57a of the first base body 56a.Here, the filter element 19
It is added between the two base bodies 56a, 56b, and is clamped at the two in a manner of not movable in the axial direction
Between base body 56a, 56b, mode are as follows: on the one hand it is supported on the support section 58 below as mentioned
On, and be on the other hand supported on above on the first base body 56a.
If the filter element 19 is dirty, in this type of design it can easily by dismantling in advance by from
The filter element pedestal 56 of the filter element 9 taken out in the filter head housings 8 is replaced.
Claims (16)
1. the filter device for being filtered to compressed air, the filter assemblies (6) for possessing main shaft (7) with one are described
Filter assemblies then include the filter head housings (8) of cup-shaped and the filter element (9) for possessing filter element (19), wherein the filtering is single
The inside that the shell opener (15) of first (9) in the axial direction across end face can be packed into or be loaded into the filter head housings (8) is empty
Between in (14) to enter using in position, wherein being arranged on the filter element (9) and on the filter head housings (8)
Lockable mechanism (22), interoperable first and second lockings device (22a, 22b), passes through filter element described in them (9)
It is locked in a manner of it can unclamp in the case where that cannot move in the axial direction relative to the filter head housings (8) and uses position
In setting, which is characterized in that the first locking device (22a) possesses at least one and is movably arranged in the filter element
(9) locking element (37) on, the locking element have locking raised (38), which projects through first for the locking
The artificial manipulation of part (37) can be moved along the radial direction about the main shaft (7), the quilt in the filter element (9)
Locking uses in position, and the locking element passes through the locking protrusion and second be arranged on filter head housings (8)
Locking device (22b) be in locking it is chimeric among, wherein the filter element (9) is in conjunction at least one described locking element
(37) manipulation passes through the axial direction orientation along the main shaft (7), pure line relative to the filter head housings (8)
Property movement (48) can not only move to it is described using in position and can be from described using being moved out in position.
2. filter device according to claim 1, which is characterized in that the first locking device (22a) gather around there are two about
The main shaft (7) is diametrically opposite each other and the locking element (37) that can manipulate independently of one another.
3. filter device as described in claim 1 or 2, which is characterized in that each locking of the first locking device (22a)
Element (37) is all configured to hook-shaped, and is configured to the structure that can radially deflect about the main shaft (7).
4. filter device according to claim 3, which is characterized in that each hook-shaped locking element (37) has to be locked with it
The only operator region (45) that raised (38) separate, the operator region is for being directly manually loaded to steering force (FB).
5. filter device according to claim 4, which is characterized in that each hook-shaped locking element (37) is with seesaw type
The mode that ground can deflect is placed on the filter element (9), wherein locking protrusion (38) and the operator region
(45) on the reciprocal side in the swinging mounting region (43) in the locking element (37), wherein the swinging mounting
Structure is carried out advantageous by least one material contact pin (44) that can be resiliently deformed of the filter element (9) in region (43)
At.
6. by the filter device described in any one of claims 1 to 5, which is characterized in that the on the filter head housings (8)
Locking protrusion that two locking devices (22b) are radially oriented at least one about the main shaft (7), not movable
(38), in the use position of the filter element (9) being locked up, the locking protrusion is along the main shaft (7)
By at least one mobilizable locking member of the first locking device (22a) on the axial end face (34) of axial direction orientation
The locking of part (37) raised (38) is blocked from below.
7. filter device according to claim 6, which is characterized in that the locking protrusion of at least one locking element (37)
(38) prominent towards the direction of the main shaft (7) inwards radially, and at least one of the second locking device (22b)
Locking protrusion (33) is with being outwardly away from the main shaft (7) radially prominent, wherein being locked up in the filter element (9)
Using in position, at least one described locking element (37) is advantageously radially in the second locking device (22b)
The external side of locking protrusion (33) axially extends.
8. by filter device described in claim 6 or 7, which is characterized in that the second locking device (22b) have with it is described
Main shaft (7) it is coaxial, cricoid locking it is raised (33), the filter element (9) be locked up using in position, it is described
It is embedding that the locking of each locking element (37) of first locking device (22a) raised (38) and above-mentioned locking protrusion (33) are in locking
Among conjunction.
9. filter device according to claim 8, which is characterized in that the cricoid locking of the second locking device (22b)
Raised (33) define annular groove (35) in the axial direction, the filter element (9) be locked up using in position, described the
The locking of each locking element (37) of one locking device (22a) raised (38) is fitted in the annular groove (35).
10. by filter device described in any one of claims 1 to 9, which is characterized in that the filter element (9) is each
Arbitrarily, relative to the filter head housings (8) in the rotation position occupied by the main shaft (7) by along the master
The pure linear movement (48) of the axial direction orientation of axis (7) can move to described using in position and can be from institute
It states and is moved out using in position.
11. filter device as any one of claim 1 to 10, which is characterized in that the filter element (9) is in its quilt
Locking can be enclosed using in the case where being locked up described in the holding in position using position relative to the filter head housings (8)
It is rotated around the main shaft (7), wherein the first locking device (22a) is slided along the second locking device (22b).
12. by filter device described in any one of claims 1 to 11, which is characterized in that the first locking device (22a)
At least one locking element (37) be so flexibly flexibly arranged on the filter element (9) so that by the mistake
Filter unit (9) is when being linearly inserted into the filter head housings (8), it by with the contact of the second locking device (22b)
It can temporarily deviate, and can be set with the second locking device (22b) in not direct manned situation
Among clamping lock is chimeric, wherein it advantageously possesses about the main shaft (7) inclined loading surface (52), it is moved in insertion
In at the same time deviate in the case where can be slided on the second locking device (22b) with the loading surface (52).
13. by filter device described in any one of claims 1 to 12, which is characterized in that the first locking device (22a)
Be arranged in the filter element (9), in the axis using shell opener (15) distribution in position being the filter head housings (8)
To end section (32) on.
14. by filter device described in any one of claims 1 to 13, which is characterized in that the first locking device (22a)
At least one locking element (37) be integrated into the centering ring (53) of the filter element (9), the centering ring defines
Centering gap (54) open in the axial direction, in the use position of the filter element (9), the filter head housings (8) are to incite somebody to action
It is described fixed that axial end section (32) that is that the shell opener (15) is surrounded and possessing the second locking device (22b) enters
In heart gap (54).
15. by filter device described in any one of claims 1 to 14, which is characterized in that the filter element (9) is in addition to institute
Stating has separated filter element pedestal (56) related to this except filter element (19), wherein the filter element pedestal (56)
The base being bonded together in the axial direction in a manner of it can unclamp there are two gathering around in the case where filter element (19) are added
Seat ontology (56a, 56b), one of base body forms the fixing section of the filter element (9) in the base body
(26), the fixing section has the first locking device (22a), and passes through filter element described in the fixing section
(9) it is fixed on the filter head housings (8) in the use position being locked up.
16. by filter device described in any one of claims 1 to 15, which is characterized in that the filter device possesses main body
(2), the filter assemblies (6) by the axial upper side (12) with the shell opener (15) preceding in a manner of it can unclamp
It can install or be installed on the main body (2) on downside (5), and the main body (2) is used for compressed air
Access road (3) and exit passageway (4) pass through, the access road and exit passageway all merge under the main body (2)
On side (5), so that the inside of they and the filter assemblies (6) being installed on main body (2) is among fluidly connecting.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017222731.1 | 2017-12-14 | ||
| DE102017222731.1A DE102017222731B4 (en) | 2017-12-14 | 2017-12-14 | Filter device for filtering compressed air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109954330A true CN109954330A (en) | 2019-07-02 |
Family
ID=66674747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811532548.5A Pending CN109954330A (en) | 2017-12-14 | 2018-12-14 | Filter device for being filtered to compressed air |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109954330A (en) |
| DE (1) | DE102017222731B4 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1642614A (en) * | 2002-03-28 | 2005-07-20 | 密科理股份有限公司 | Filter cartridge construction |
| CN103313765A (en) * | 2011-02-04 | 2013-09-18 | Ufi过滤股份公司 | A filter component |
| CN103534001A (en) * | 2011-05-09 | 2014-01-22 | Smc株式会社 | Filter apparatus |
| WO2016151883A1 (en) * | 2015-03-26 | 2016-09-29 | 株式会社コガネイ | Element assembly and filter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008054878B4 (en) | 2008-12-18 | 2010-12-23 | Kaeser Kompressoren Gmbh | Filter element and compressed air filter for separating foreign substances from a compressed air flow |
| US10046263B2 (en) | 2014-04-04 | 2018-08-14 | Cummins Filtration Ip, Inc. | Snap in place natural gas filter |
-
2017
- 2017-12-14 DE DE102017222731.1A patent/DE102017222731B4/en active Active
-
2018
- 2018-12-14 CN CN201811532548.5A patent/CN109954330A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1642614A (en) * | 2002-03-28 | 2005-07-20 | 密科理股份有限公司 | Filter cartridge construction |
| CN103313765A (en) * | 2011-02-04 | 2013-09-18 | Ufi过滤股份公司 | A filter component |
| CN103534001A (en) * | 2011-05-09 | 2014-01-22 | Smc株式会社 | Filter apparatus |
| WO2016151883A1 (en) * | 2015-03-26 | 2016-09-29 | 株式会社コガネイ | Element assembly and filter |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102017222731B4 (en) | 2023-06-15 |
| DE102017222731A1 (en) | 2019-06-19 |
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