WO2019003137A1 - Filtre à air de type panneau - Google Patents

Filtre à air de type panneau Download PDF

Info

Publication number
WO2019003137A1
WO2019003137A1 PCT/IB2018/054754 IB2018054754W WO2019003137A1 WO 2019003137 A1 WO2019003137 A1 WO 2019003137A1 IB 2018054754 W IB2018054754 W IB 2018054754W WO 2019003137 A1 WO2019003137 A1 WO 2019003137A1
Authority
WO
WIPO (PCT)
Prior art keywords
drawer
frame
seal
air filter
panel
Prior art date
Application number
PCT/IB2018/054754
Other languages
English (en)
Inventor
Giorgio Girondi
Original Assignee
Ufi Filters S.P.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ufi Filters S.P.A. filed Critical Ufi Filters S.P.A.
Publication of WO2019003137A1 publication Critical patent/WO2019003137A1/fr

Links

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
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • B01D46/0006—Filter elements or cartridges installed in a drawer-like manner
    • 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
    • B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
    • B01D46/009—Identification of filter type or position thereof, e.g. by transponders or bar codes
    • 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
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2271/02—Gaskets, sealings
    • B01D2271/022—Axial sealings

Definitions

  • the present invention relates to a panel air filter of a drawer element of an air filtration assembly of a vehicle.
  • the present invention also relates to said drawer element suitable to house said panel air filter.
  • the present invention also relates to the air filtration assembly comprising said panel air filter and said drawer element.
  • the context which the present invention lies in is that of air filtration assemblies in the automotive field. Specifically, it relates to the filtration assembly for air which is aspirated and brought into the combustion chamber of the internal combustion engine.
  • the purpose of the present invention is precisely to provide a panel air filter, a drawer element and an air filtration assembly which comprises them, in which the aforesaid need is satisfied and which also responds efficiently and effectively to the needs of the specific field of application.
  • figures la and lb shows two views of the air filtration assembly of the present invention, according to a preferred embodiment
  • figures 2 and 2a are two cross-sections views of a portion of the air filtration assembly, respectively along the cross-section plane V-V in figure lb and the cross-section plane VII-VII in figure 2 ;
  • figures 3 and 3a show two cross-sections views of a portion of the air filtration assembly, respectively along the cross-section plane VI-VI in figure lb and the cross-section plane VIII-VIII in figure 3;
  • figure 4 shows an overhead view of the air filtration assembly which the drawer element containing the panel air filter is partially inserted in;
  • figures 5a, 5b and 5c respectively represent a side view of the air filtration assembly in which the drawer element containing the panel air filter is partially inserted and two side views in longitudinal cross-section in which the drawer element is partially inserted, while figure 5b' is an enlarged view of a detail of figure 5b;
  • figures 6a, 6b and 6c respectively show a side view of the air filtration assembly in which the drawer element containing the panel air filter is almost entirely inserted and two side views in longitudinal cross-section in which the drawer element is partially inserted, while figure 6b' is an enlarged view of a detail of figure 6b;
  • figures 7a, 7b and 7c respectively show a side view of the air filtration assembly in which the drawer element containing the panel air filter is completely inserted and two side views in longitudinal cross- section in which the drawer element is completely inserted, while figure 7b' is an enlarged view of a detail of figure 7b;
  • FIG. 8a and 8b shows two perspective views of the drawer element of the present invention, according to a preferred embodiment
  • FIG. 9 shows a perspective view of the panel air filter of the present invention, according to a preferred embodiment
  • reference numeral 1 denotes a panel air filter according to one embodiment of the present invention.
  • reference numeral 500 denotes a drawer element according to one embodiment of the present invention.
  • reference numeral 900 denotes an air filtration assembly 900 of a vehicle.
  • the present invention relates to an air filtration assembly 900 suitable to be part of a vehicle's air system, i.e. a system in which air is drawn in from the environment, is filtered and is brought to the combustion chamber of the internal combustion engine .
  • the air filtration assembly 900 of the present invention is of the type containing a panel air filter 1 which, crossed by the air, is suitable for separating any solid and/or liquid particles suspended therein from the air.
  • the panel air filter 1 is part of a drawer element 500 comprised in the air filtration assembly 900, being housed in a specially provided panel housing 500'.
  • the air filtration assembly 900 comprises a drawer element 500, supporting/housing the panel air filter 1, which is insertable in a removable manner inside it.
  • the drawer element 500 is insertable by means of an axial insertion operation inside a drawer cavity 900'; in other words according to a preferred embodiment the air filtration assembly 900 has a drawer cavity 900' and the drawer element 500 is specially shaped to fit into said drawer cavity 900'.
  • the drawer cavity 900' is defined substantially box-shaped.
  • the drawer cavity 900' has two open walls 901' 902' crossed by the air fluidically connected to the air circulation system and lateral cavity walls 950.
  • the drawer cavity 900' comprises an insertion mouth 910' through which the drawer element 500 is insertable and which is closable hermetically by the latter when totally inserted inside the drawer cavity 900 ' .
  • the air filtration assembly 900, on the lateral cavity walls 950 has drawer guides 980 suitable to guide the drawer element 500 and its position during said insertion operation .
  • said insertion step thanks to the presence of the drawer guides 980 provides, initially, for an insertion of the drawer element 500 in an axial direction, and subsequently, for a lifting of the drawer element 500 to bring it into a filtering configuration.
  • the panel air filter 1 in said filtering configuration, is suitable to hermetically seal, by means of a seal 100, the passage of air forcing the passage through the filtering medium only.
  • the panel air filter 1 in said filtering configuration, is suitable to hermetically contact a support lip which peripherally defines the space of one of the open walls 901', 902'.
  • a contact portion 170 provided in the seal 100 is suitable to operate hermetically with said support lip 902 ' .
  • the air filtration assembly 900 has the drawer guides 980 shaped in such a manner that in the initial insertion phase in the axial direction of the drawer element 500, the seal 100 of the panel air filter 1 does not rub against the edges of the insertion mouth 910' and against the cavity walls 950, and only in the lifting phase of the drawer element 500 does the seal 100 intercept the corresponding contact lip and start to work.
  • the present invention also relates, as said, to the drawer element 500 of an air filtration assembly 900.
  • the drawer element 500 comprises perimeter walls 550 which define a panel housing 500'.
  • the panel air filter 1 is housable, as described below and shown in the appended figures.
  • the panel housing 500' is substantially a polygonal shape. According to a preferred embodiment the panel housing 500' is the shape of an irregular polygon.
  • the drawer element 500 comprises a drawer frame 555 which extends around the perimeter at said perimeter walls 550.
  • the drawer frame 555 defines a frame plane I.
  • said frame plane I extends transversely with respect to the perimeter walls 550: preferably "transversely” is taken to mean that the frame plane I extends in an incident manner with respect to the perimeter walls 550, preferably in a perpendicular manner (as shown in the appended figures) but also in an oblique manner.
  • drawer frame 555 The specific purpose of said drawer frame 555 is to support the seal 100 of the panel air filter 1 in the same way as described below, and as amply shown in the appended drawings .
  • the drawer frame 555 is positioned at an axial summit of the perimeter walls 550. Such embodiment is in fact that shown in the appended figures. [00041] Instead, in further embodiments, said drawer frame 555 is instead positioned at a predefined height of the respective peripheral wall 550.
  • Said drawer frame 555 comprises frame protrusions 5551 and frame cavities 5552 which extend, alternately to each other, at right angles from the frame plane I .
  • the drawer frame 555 has a retention portion 555' in which the frame protrusions 5551 and frame cavities 5552 are made.
  • the retention portion 555' extends at a single peripheral wall 550 of the drawer element 500.
  • the retention portion 555' extends only at the distal wall, i.e. the first portion of the drawer 500 which the drawer guides 980 raise.
  • the retention portion 555' extends at a plurality of peripheral walls 550 of the drawer element 500.
  • the retention portion 555' extends at the drawer frame 555 in its entirety.
  • the drawer frame 555 comprises a frame edge 5555 that extends in height, preferably at right angles, from the frame plane I defining a containment abutment for the seal 100.
  • said frame edge 5555 extends peripherally along the drawer frame 555.
  • the drawer element 500 comprises an end cover 510 with respect to which the panel housing 500', and in particular the perimeter walls 550 defining it, extends at right angles.
  • the end cover 510 is suitable to occlude, with the drawer element 500 fully inserted, the insertion mouth 910'.
  • the end cover 510 is specially shaped, comprising a handle which allows its manipulation and in particular allows the insertion operations .
  • the present invention also relates to a panel air filter 1 of a drawer element 500 of an air filtration assembly 900 as described above.
  • Said panel air filter 1 comprises a filtering medium 10 which is housable in the panel housing 500'.
  • Such filtering medium 10 is shaped in a substantially complementary manner to the panel housing 500'.
  • the filtering medium 10 is shaped in a substantially complementary manner to the panel housing 500' seen in cross-section; not necessarily in fact, does the filtering medium 10 extend in height equal to the height of the perimeter walls 550.
  • the filtering medium 10 is in a porous material made of cellulose or synthetic fibre non-woven fabric.
  • the filtering medium 10 comprises a plurality of folds of a predefined height so that the panel air filter 1 thus consists of a pleated element.
  • the panel air filter 1 also comprises a seal 100 integrally connected to the filtering medium 10.
  • the seal 100 has the specific purpose of engaging the drawer element 500 and the inner walls of the air filtration assembly 900 to hermetically seal the passage of air in such a way as to convey the air in transit through the filtering medium 10.
  • the seal 100 is suitable to hermetically contact the inner walls of the air filtration assembly 900 forcing the air to pass through the filtering medium 10.
  • the seal 100 is suitable to hermetically engage (preferably in an axial direction similar to the direction along which the air passes) the contact lip comprised in the filtration assembly 900 and described above .
  • the seal 100 is integrally connected with the filtering medium 10, for example is moulded directly onto it.
  • the seal 100 partially covers some folds of the pleated element .
  • the seal 100 has a peripheral extension.
  • the seal 100 is such as to engage the drawer frame 550 peripherally.
  • the seal 100 comprises a bottom surface 150 suitable to rest on the drawer frame 550.
  • said bottom surface 150 extends in such a manner as to be placed at an axial top of the filtering medium 10, covering some folds of it in the embodiment with a pleated medium.
  • the bottom surface 150 rests on the filtering medium 10 and protrudes from it to rest on the drawer frame 550.
  • the bottom surface 150 in fact has a support surface suitable to lie on the frame plane I .
  • the seal 100 comprises, alternating with each other, a plurality of seal cavities 151 and a plurality of seal protrusions 152 specially shaped to respectively house the frame protrusions 5551 and fit into the frame cavities 5552.
  • seal cavities 151 and the seal protrusions 152 are arranged, alternately, extending in a direction substantially parallel to the corresponding perimeter wall 550.
  • the panel air filter 1 at the aforementioned retention portion comprises therefore, at least one retention section 100' specially shaped to engage the retention portion 555' comprising the seal cavities 151 and the seal protrusions 152.
  • the retention section 100' also extends at a single perimeter wall 550 of the drawer element 500 or extends at a plurality of perimeter walls 550 of the drawer element 500 or extends at the drawer frame 555 in its entirety.
  • the seal 100 extends in height from the bottom surface 150 in a tapered manner forming, at its top a contact surface 170.
  • the seal 100 in cross-section, has a substantially triangular or trapezoidal shape.
  • the seal 100 comprises a lateral surface 160.
  • said lateral surface 160 extends from the bottom surface 150 to the contact surface 170.
  • the air filtration assembly 900 on some cavity walls 950 presents, protruding from them, assembly lugs 953.
  • the seal 100 on the lateral surface 160 comprises transverse cavities 163 suitable to house the assembly lugs 953.
  • the seal 100 is also suitable to house in the aforementioned transverse cavities 163 said assembly lugs 953.
  • the assembly lugs 953 are located on the cavity walls 950 extending in the opposite direction to that in which the drawer element 500 is insertable in the air filtration assembly 900.
  • the transverse cavities 163 are positioned at the seal protrusions 152.
  • the seal 100 is made of a material chosen from foam materials (PUR) and rubbers (silicone, NBR) .
  • the seal 100 is made by a moulding process.
  • the seal 1 and similarly the drawer element of the present invention are not limited to particular embodiments.
  • the shape of the cavities, protrusions and lugs does not limit the present invention.
  • a preferred embodiment provides protrusions, lugs and cavities respectively of tapered shapes, preferably having clearance angles.
  • the protrusions, lugs and cavities are prism or pyramid shaped with rounded edges and the respective clearance angles .
  • the panel air filter, the drawer element and the air filtration assembly are such as to allow the seal of the air filter to work hermetically in a simple and effective manner.
  • the panel air filter, the drawer element and the air filtration assembly no longer have unwanted leaks of air.
  • the seal is tight with the filtration assembly in an effective manner.
  • the seal is tight with the walls of the air filtration assembly in an effective manner .
  • the seal provides a wider sealing surface.
  • the plurality of seal cavities and a plurality of seal protrusions extend along a longitudinal section corresponding to at least a perimeter wall of the drawer element.
  • the seal ensures a uniform contact with the drawer frame and therefore ensures a uniform contact between the seal and the inner walls of the air filtration assembly.
  • the engagement between the seal and drawer element means that the two components engage each other and remain in the desired position even over time, even while the operations of insertion and/or extraction of the drawer element into and/or out of the respective housing are performed.
  • the engagement between the seal and the drawer element ensures that the mutual position of the two components is maintained during the normal use/ functioning of the air filtration assembly.
  • the engagement between the seal and the drawer element ensures that the mutual position of the two components is maintained also during “immersion tests” (i.e., Water-hammer tests) that are carried out in the validation step of the vehicle of which the air filtration assembly is adapted to belong: the engagement between the seal and the drawer element ensures that the mutual position of the two components is maintained also when impinged by a flow of water.
  • immersion tests i.e., Water-hammer tests
  • the operator performing installation/replacement of the filter element is able to have a visual feedback with respect to the correct positioning of the filter element.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

La présente invention concerne un filtre à air de type panneau (1) d'un élément d'extracteur (500) d'un ensemble de filtration d'air (900) d'un véhicule. Ledit élément d'extracteur (500) comprend des parois périphériques (550) qui délimitent un boîtier de panneau (500') et un cadre d'extracteur (555) qui s'étend de façon périphérique et comprend des protubérances de cadre (5551) et des cavités de cadre (5552) qui s'étendent, en alternance, à des angles droits. Le filtre à air de panneau (1) comprend un milieu filtrant (10) s'ajustant dans le boîtier de panneau (500'), et un joint d'étanchéité (100) qui est relié de façon intégrée au milieu filtrant (10) ayant une extension périphérique et comprenant une surface inférieure (150) adaptée pour reposer sur le cadre d'extracteur (550). Une telle surface inférieure (150) comprend une pluralité de cavités de joint d'étanchéité (151) et une pluralité de saillies de joint d'étanchéité (152) spécialement formées respectivement pour recevoir les saillies de cadre (5551) et s'ajuster dans les cavités de cadre (5552).
PCT/IB2018/054754 2017-06-28 2018-06-27 Filtre à air de type panneau WO2019003137A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102017000072186 2017-06-28
IT102017000072186A IT201700072186A1 (it) 2017-06-28 2017-06-28 Filtro aria a pannello

Publications (1)

Publication Number Publication Date
WO2019003137A1 true WO2019003137A1 (fr) 2019-01-03

Family

ID=60627988

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2018/054754 WO2019003137A1 (fr) 2017-06-28 2018-06-27 Filtre à air de type panneau

Country Status (2)

Country Link
IT (1) IT201700072186A1 (fr)
WO (1) WO2019003137A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2822082A1 (fr) * 2001-03-14 2002-09-20 Filtrauto Systeme de filtration de fluide a cartouche filtrante interchangeable
CN201292900Y (zh) * 2008-10-24 2009-08-19 比亚迪股份有限公司 一种空气滤清器
US20100300298A1 (en) * 2009-05-29 2010-12-02 Cummins Filtration Ip, Inc. Filter Assembly With Trapped Contaminant Servicing
KR200476149Y1 (ko) * 2014-07-10 2015-02-03 조왕제 차량용 에어필터
US20150040527A1 (en) * 2013-08-06 2015-02-12 Kia Motors Corporation Air cleaner for vehicle
WO2017099984A1 (fr) * 2015-12-11 2017-06-15 Cummins Filtration Ip, Inc. Filtre pourvu d'un joint axial à section transversale variable

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2822082A1 (fr) * 2001-03-14 2002-09-20 Filtrauto Systeme de filtration de fluide a cartouche filtrante interchangeable
CN201292900Y (zh) * 2008-10-24 2009-08-19 比亚迪股份有限公司 一种空气滤清器
US20100300298A1 (en) * 2009-05-29 2010-12-02 Cummins Filtration Ip, Inc. Filter Assembly With Trapped Contaminant Servicing
US20150040527A1 (en) * 2013-08-06 2015-02-12 Kia Motors Corporation Air cleaner for vehicle
KR200476149Y1 (ko) * 2014-07-10 2015-02-03 조왕제 차량용 에어필터
WO2017099984A1 (fr) * 2015-12-11 2017-06-15 Cummins Filtration Ip, Inc. Filtre pourvu d'un joint axial à section transversale variable

Also Published As

Publication number Publication date
IT201700072186A1 (it) 2018-12-28

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