Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
  • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
  • F02M35/02—Air cleaners
  • F02M35/024—Air cleaners using filters, e.g. moistened
  • F02M35/02416—Fixing, mounting, supporting or arranging filter elements; Filter element cartridges
• • 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
  • B01D46/24—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
  • 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
  • B01D46/2414—End caps including additional functions or special forms
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
  • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
  • F02M35/02—Air cleaners
  • F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
  • F02M35/0202—Manufacturing or assembling; Materials for air cleaner housings
  • F02M35/0203—Manufacturing or assembling; Materials for air cleaner housings by using clamps, catches, locks or the like, e.g. for disposable plug-in filter cartridges
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
  • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
  • F02M35/02—Air cleaners
  • F02M35/024—Air cleaners using filters, e.g. moistened
  • F02M35/02475—Air cleaners using filters, e.g. moistened characterised by the shape of the filter element
  • F02M35/02483—Cylindrical, conical, oval, spherical or the like filter elements; wounded filter elements
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
  • F03B—MACHINES OR ENGINES FOR LIQUIDS
  • F03B17/00—Other machines or engines
  • F03B17/005—Installations wherein the liquid circulates in a closed loop ; Alleged perpetua mobilia of this or similar kind
• • 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
  • B01D2265/021—Anti-rotational means
• • 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
  • B01D2265/022—Bayonet connecting means
• • 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
  • B01D2265/024—Mounting aids
  • B01D2265/026—Mounting aids with means for avoiding false mounting

Definitions

• the invention relates to a filter device, in particular for gas filtration, for example, to an air filter for motor vehicles, according to the preamble of claim 1.
• an air filter for the internal combustion engine of a motor vehicle has, in a filter housing, an annular filter element which can be closed by a housing cover in its position in the filter housing.
• the housing cover is releasably secured to the filter housing by means of a bayonet closure, wherein the housing cover is axially insertable into a cover housing formed on the filter housing and can be rotated in the inserted state between an unlocking and a locking position.
• the invention is based on the object, a filter device with simple constructive measures in such a way that the filter element is kept safe in the filter housing.
• the invention relates to a filter device for the filtration of a fluid, in particular a gaseous fluid, optionally also a filtration of liquid media into consideration.
• the filter device according to the invention is used as an air filter for motor vehicles, in particular for a Internal combustion engine or for the interior of the motor vehicle to be supplied fresh air.
• the filter device has a filter element through which the fluid to be cleaned flows and is accommodated in a filter housing which can be closed by a housing cover.
• a first form-fitting part is arranged, which projects beyond the outer surface of the filter element and is associated with a second form-fitting part on the housing cover.
• the form-fitting parts on the filter element and on the housing cover interlock, so that a positive connection is provided, in particular in the circumferential direction, optionally also in at least one axial direction along the longitudinal axis of the filter element. Due to the positive connection between the filter element and the housing cover, which in turn is releasably attachable to the filter housing, a secure storage and mounting of the filter element is given.
• the first form-fitting part on the filter element at a distance to a second connection point between the filter element and the housing cover, so that a total of at least two spaced positions a connection between the housing cover and the filter element is given.
• the further connection takes place in particular via the end face of the filter element, for example via an axially projecting collar, which projects sealingly into a recess in the housing cover.
• the first and the second connection point between the filter element and the housing cover are preferably axially spaced from one another.
• the first form-fitting part can be arranged adjacent to an end face of the filter element which lies axially opposite the further connection point.
• a hollow cylindrical or annular design of the filter element which is advantageously flowed through by the fluid to be cleaned radially from outside to inside, wherein the interior is the clean room through which the purified fluid is discharged axially.
• the filter element has at least one axial end face, preferably at both axial end faces End disk, with which the first form-fitting part is connected. It may be expedient to manufacture the end plate made of plastic and form the first form-fitting part in one piece with the plastic end plate. In the case of an annular design of the filter element, the first form-fitting part protrudes beyond the cylindrical lateral surface in the radial direction.
• This embodiment has the advantage that the positive connection can be made in a structurally simple manner by the first form-fitting part is formed on the filter element, for example, as a hook and the second positive locking element on the inside of the housing cover as a receiving lug into which the hook is inserted.
• the hook advantageously has a first hook portion which extends in the radial direction and is secured to the end-side end plate of the filter element, and a second hook portion which extends at an angle to the first hook portion.
• the second hook portion either has an orientation parallel to the filter element longitudinal axis or transverse to the filter element longitudinal axis.
• the positive connection which is accomplished by the nesting of hook and receiving lug, be prepared by means of an exclusively axial insertion movement of the housing cover on the seat in the filter housing.
• a bayonet connection between the filter element and the housing cover is considered, in which the filter element and the housing cover are initially approximated axially and subsequently execute a rotational movement about the filter element longitudinal axis, which leads to the positive connection of the form-fitting parts.
• the positive connection exists in particular in both axial directions.
• the housing cover may, according to a further advantageous embodiment, have a first cover portion, which is upstream in the mounted state of the end face of the filter element, and a second cover portion which is formed at an angle to the first cover portion and extends at a distance from the lateral surface of the filter element.
• the second, lid-side form-fitting part is located on the second lid portion.
• the first and the second cover portion which are preferably made in one piece, together form an L-shaped cross-section of the housing cover. It may be expedient, at a front-side end plate, which is provided with a central recess, to inject a sealing part, which rests sealingly on the housing cover in the mounted state.
• the sealing part is designed, for example, as a 2-component part.
• each form-fitting elements are arranged on the front side of the hollow cylindrical or annular filter element, which are designed for a bayonet lock.
• the first form-fitting part which is formed, for example, hook-shaped, elastically resilient perform.
• the first form-fitting part which is arranged on the filter element, has a hinge, for example a film hinge, which can be folded in at least two different positions.
• a hinge for example a film hinge, which can be folded in at least two different positions.
• the hinge axis runs transversely to the filter element longitudinal axis.
• a hinge axis can also be formed longitudinally of the filter element longitudinal axis in order to enable a push-button fastening.
• FIG. 2 shows the filter element from FIG. 1 in a perspective detail view
• FIG. 3 is an interior view of a housing cover with a receiving eye in a further embodiment
• FIG. 4 is an enlarged view of a film hinge, via which a hook-shaped form-locking element is arranged on the end-side end plate of the filter element,
• FIG. 5 shows a filter element with a housing cover in a further embodiment, in which the hook-shaped form-fitting part on the filter element has a transversely extending hook portion
• FIG. 6 shows the air filter according to FIG. 5 in an end view of the filter element and the housing cover, FIG.
• FIGS. 5 and 6 shows the housing cover of the embodiment according to FIGS. 5 and 6 in a perspective detail view
• FIG. 8 shows a further embodiment of an air filter in which the filter element is locked to the housing cover via a bayonet closure, Fig. 9, the housing cover of the embodiment of FIG. 8 in perspective detail view.
• the same components are provided with the same reference numerals.
• FIGS. 1 and 2 show as the first exemplary embodiment a filter device 1, which is used as an air filter for the internal combustion engine of a motor vehicle.
• the filter device 1 has a filter housing 2, in which a receiving space for receiving a filter element 4 is formed, wherein the receiving space of a housing cover 3 is closed.
• the filter element 4 is formed as a hollow cylinder or annular and is flowed through radially in relation to the filter element longitudinal axis 5 from the outside to the inside of the sucked ambient air.
• the interior of the filter element 4 represents the clean room through which the axial discharge takes place.
• the filter element 4 is provided on both axial end faces, each with an end plate 6, 9.
• a first hook-shaped form-fitting part 7 is arranged, which protrudes positively in the assembled state in a trained as a receiving lug, second form-fitting part 8 on the inner wall of the housing cover 3.
• the end plate 6 is expediently designed as a plastic component, the hook-shaped, first form-fitting part 7 may be formed integrally with the end plate 6.
• the hook-shaped form-fitting part 7 has a first hook portion 7a, which extends radially outward relative to the filter element longitudinal axis 5 and projects beyond the lateral surface of the filter element in the radial direction.
• the radial hook portion 7a is adjoined by a pin-shaped hook portion 7b extending in the axial direction, which in the assembled state protrudes into the second form-fitting part 8 designed as a receiving lug, the opening also extending in the axial direction in the receiving lug.
• the second form-fitting part 8 designed as a receiving lug
• the housing cover 3 has two cover sections 3a, 3b, which are integrally formed with each other, but are arranged at an angle to each other.
• the first lid portion 3a is disposed upstream of the upper end surface of the filter element 4, on which the end plate 9 is arranged; the upper end disk 9 is arranged axially opposite the lower end disk 6, wherein the hook-shaped form-fitting part 7 is arranged on the lower end disk 6.
• a collar 10 is formed, which projects axially and defines an end opening in the filter element 4, which communicates with the inner side representing the interior.
• the collar 10 protrudes into a recess in the lid portion 3a and may be screwed to the lid portion 3a.
• 4 screw 1 1 are introduced into the end plate 9 of the filter element.
• an additional sealing ring may be provided, which is placed around or in the collar 10.
• a seal may be disposed outside or inside the collar 10. It is also possible to form the collar 10 as a 2-component component, which has sealing properties and which, at the same time, is sealingly received in the cover section when inserted into the recess in the cover section 3a. In this case, can also be dispensed with a screw connection between the filter element and the housing cover.
• the two lid portions 3a and 3b are at an angle to each other, which, as shown in FIG. 1, is greater than 90 °. In principle, however, is also possible at an angle of 90 ° or less than 90 °.
• the housing cover 3 has two cover sections 3a, 3b, which are arranged at an angle to one another.
• a recess 12 for receiving the collar 10 on the end face of the filter element 4 is introduced.
• the second, lid-side form-fitting part 8 has two integrally formed on the inside of the lid webs, which define an intermediate opening.
• the webs are elastically resilient, so that the hook-shaped first form-fitting part on the filter element can be introduced both axially and radially into the receiving opening of the form-fitting part 8 lying between the webs.
• a film hinge 13 in the form of a tapered wall thickness is introduced into the first hook section 7a of the hook-shaped form-fitting part 7, so that the hook section 7a can be pivoted about the hinge axis.
• the hinge axis extending transversely to the filter element longitudinal axis, for example, allows a bayonet between filter element and housing cover by first the filter element and the housing cover to each other axially approached and then rotated around the filter element longitudinal axis to each other. After reaching the final mounting position, the hook-shaped form-fitting part 7 can be folded around the film hinge 13, so that the hook-shaped form-fitting part comes into positive engagement position with the associated form-fitting part on the inside of the housing cover.
• the filter element 4 is also provided in the region of its end-side end plate 6 with a hook-shaped, first form-fitting part 7.
• the first hook portion 7a protrudes radially and projects beyond the lateral surface of the filter element 4 in the radial direction.
• the second hook section 7b adjoining it does not extend in the axial direction but transversely to the filter element longitudinal axis 5.
• the second form-fitting part 8 on the inside of the cover part 3b of the housing cover 3 also has one in the transverse direction opening which receives the hook portion 7b in the mounted state.
• the mounting position is achieved via a bayonet closure, in which, after the axial approach, the filter element 4 and the housing cover 3 are rotated relative to one another around the filter element longitudinal axis 5 until the hook section 7b projects into the opening of the form-fitting part 8.
• the connection between the filter element 4 and the housing cover 3 also takes place via a bayonet closure.
• a plurality of interlocking elements 14 are arranged on the collar 10 distributed over the circumference, to which further interlocking elements 15 on the cover section 3a of the housing cover 3 are assigned.
• the form-locking elements 14, 15th can be brought by axial approximation of the filter element and the housing cover 3 and subsequent rotation about the filter element longitudinal axis 5 in a positive position to each other, in which the filter element 4 is held in the axial direction positively on the housing cover 3.
• the first form-fitting part 7 is designed hook-like and has a radially projecting first hook portion 7a and a second, extending in the axial direction, pin-shaped hook portion 7b.
• the arranged on the inside of the housing cover second form-fitting part 8 has a semi-open in the transverse direction receiving opening into which the hook portion 7b is introduced in the rotational movement during the bayonet-type closing in the transverse direction.

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• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Geometry (AREA)
• Manufacturing & Machinery (AREA)
• Filtering Of Dispersed Particles In Gases (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=49000953

Family Applications (1)

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Citations (1)

Family Cites Families (14)

• 2012
  • 2012-08-22 DE DE102012016558.7A patent/DE102012016558A1/de not_active Ceased
• 2013
  • 2013-08-22 WO PCT/EP2013/067423 patent/WO2014029828A1/de active Application Filing
  • 2013-08-22 CN CN201380043815.1A patent/CN104540572B/zh active Active
  • 2013-08-22 EP EP13750718.2A patent/EP2888024A1/de not_active Withdrawn
• 2015
  • 2015-02-22 US US14/628,275 patent/US9920719B2/en active Active

Patent Citations (1)

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