Filters for brakes

Abstract

The invention relates to a filter for a braking device, comprising a housing (1, 1'), a cylindrical tubular filter element (2) and a removable axial fastening system. The filter element (2) is located inside the housing (1, 1'), and the housing (1, 1') comprises a cylindrical tubular side wall (3) having two opposite end edges, namely a first end edge and a second end edge. The filter element (2) sits on the inner surface of the side wall (3) of the housing (1, 1'). The removable axial fastening system provides axial fastening of the filter when the filter is assembled in the braking device (F), axial fastening of the filter element (2) in the housing (1, 1'), and the removable axial fastening system provides a device for assembling and disassembling the filter. The purpose of the filter is to collect all particles that are harmful to health that are released each time the braking device is braked, thereby preventing said particles from being transferred to the breathing air.

Description

Technical Field

[0001] The present invention relates to a filter for a braking system. The filter is designed to collect all particles harmful to health released by the braking system each time the brake is applied, preventing them from being transferred into the air we breathe. This allows the filter element, which is responsible for trapping harmful particles, to be easily replaced after a certain number of kilometers of travel in a vehicle equipped with the filter. The filter element can even be cleaned. It should be noted that once the filter is assembled, the braking system is enclosed within the filter's interior. Background Art

[0002] It is now well known that, especially in large cities, the serious pollution problem caused by brake particles released into the air is as great as or greater than the pollution problem caused by engine combustion. The serious pollution problem caused by brake particles is that they release particles smaller than 10 microns into the air, which can penetrate the human body and cause serious health consequences.

[0003] On the other hand, drastic measures are being taken to protect the environment when it comes to gas combustion in combustion engines, but conversely, little or nothing is said about the pollution generated by braking, which in large cities can release more than 10,000 tons of brake lining particles into the air, which are then inhaled by people.

[0004] Apparently, almost no one talks about this pollution problem caused by braking because there has been no solution to this problem until now, although major vehicle brands are starting to gradually become aware of the problem.

[0005] The explanation as to why there is no solution is simple: the brake discs cannot be fully encapsulated because they need to be cooled by air.

[0006] Furthermore, it is well known that excessively high temperatures in the brake disc can also cause serious problems in brakes. Therefore, the disc brake cannot be encapsulated because encapsulation is incompatible with the need to cool the disc brake with air.

[0007] This concern is taking center stage among all major car brands, and they are designing different systems, but the limitation is that they cannot filter all the harmful particles released by braking, so the effect is poor.

[0008] In the braking device of patent P201731144, the cooling of the brake disc is carried out by recirculating the liquid through a coolant radiator through a pipe. The cooling capacity of the brake disc allows it to withstand a certification test (Grosslockner) that involves continuous braking for about 40 minutes without the temperature exceeding 53°C, while the temperature of conventional brake discs exceeds 500°C. Summary of the Invention

[0009] In order to achieve the objectives and avoid the drawbacks mentioned in the above section, the present invention proposes a filter for a brake device comprising a housing, a cylindrical tubular filter element and a detachable axial fastening system.

[0010] The filter element is located in and fitted within the housing, wherein the housing includes at least one cylindrical tubular sidewall having two opposite end edges, namely a first end edge and a second end edge. The filter element is seated on an inner surface of the sidewall of the housing.

[0011] The removable axial fastening system provides axial fastening of the filter when the filter is assembled into the braking device, axial fastening of the filter element in the housing, and provides the means required to enable assembly and disassembly of the filter.

[0012] In a first embodiment of the invention, the cylindrical tubular housing is the entire body and comprises an annular bottom which is integrally attached to a first end edge of the side wall, thereby forming part of the housing itself, while a supporting ring is detachably coupled to the second end edge of the housing, wherein the annular bottom and the supporting ring constitute a detachable axial fastening system.

[0013] The support ring comprises an annular groove in which the second end edge of the housing is fitted, wherein the support ring is detachably anchored to the housing by means of an engagement mechanism.

[0014] Each of the coupling mechanisms comprises a pivoting blade, an articulated frame connected to the pivoting blade in an articulated manner, and a fixing flange on which the articulated frame engages in the anchoring position of the coupling mechanism, wherein each pivoting blade is articulatedly connected to a protruding appendage integral with the support ring, and the fixing flange is integral with the housing.

[0015] Both the annular base and the support ring include through-holes aligned with the axial passages of the filter element.

[0016] In a second embodiment of the invention, the shell comprises two parts attached by means of a hinged joint, and the shell comprises a joining mechanism (equivalent to the joining mechanism described in the first embodiment), which is configured to join the two parts of the shell between each other and thereby stably combine the structure of the shell in a cylindrical tubular configuration, wherein the joining mechanism is positioned close to the facing edges of the two parts of the shell.

[0017] The filter of the second embodiment comprises two opposing support rings which constitute a removable axial fastening system of the filter when the filter is assembled in the braking device, wherein the support rings are placed in parallel planes inside the housing in contact with the inner surface of the housing, wherein said contact is close to two opposite end edges, namely a first end edge and a second end edge of the housing.

[0018] The support ring of the second embodiment comprises a through hole aligned with the axial passage of the filter element.

[0019] One of the support ring coupled to the housing of the first embodiment of the present invention and the support ring coupled to the housing of the second embodiment of the present invention includes a pair of bores configured for fitting the sleeve therein.

[0020] The side wall of the housing includes an aperture throughout the side wall.

[0021] Next, in order to facilitate a better understanding of the present description and as an integral part thereof, a series of figures are attached, in which the object of the invention is described in an illustrative and non-limiting manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A perspective view showing a filter for a brake device according to a first embodiment, which is an object of the present invention, is shown.

[0023] Figure 2 Depicts Figure 1 Another perspective view of the filter of the present invention is shown in FIG.

[0024] Figure 3 An exploded perspective view of the filter for a brake device depicted in the previous figures is shown.

[0025] Figure 4 Another exploded perspective view of a filter for a brake device of the present invention is depicted according to a second embodiment different from the embodiment shown in the previous figures.

[0026] Figure 5 A perspective view of a braking device is shown. DETAILED DESCRIPTION

[0027] Taking into account the reference numerals used in the figures, the filter for a braking device F comprises a housing 1, 1' made of sheet metal, a cylindrical tubular filter element 2 and a removable axial fastening system, which allows, firstly, the assembly and disassembly of the filter assembly of the invention in the braking device F; secondly, the removable axial fastening system provides axial fastening of the filter when the filter assembly is assembled on the filter device; and thirdly, the removable axial fastening system provides axial fastening of the filter element 2.

[0028] The filter element 2 is located within and mounted in the housing 1, 1', wherein the housing 1, 1' comprises at least one cylindrical, tubular sidewall 3 having two opposite end edges, namely a first end edge and a second end edge. The filter element 2 is seated on the inner surface of the sidewall 3 of the housing 1, 1'. The sidewall 3 of the housing 1, 1' comprises a plurality of apertures 4.

[0029] Once the filter of the invention is assembled around the braking device F, the braking device F is enclosed within the filter's internal space, wherein said internal space is radially delimited by the filter element 2 having a cylindrical tubular configuration.

[0030] The filter element 2 is configured to intercept pollutant particles released from the brake device F, which is accommodated in the internal space defined by the filter element 2. The brake device F is, for example, the brake device described in invention patent P201731144, wherein the outside of the brake device includes a protrusion that is fitted into the axial channel 5 located in the filter element 2.

[0031] exist Figures 1 to 3 In the first embodiment of the invention shown in , the cylindrical tubular housing 1 is the entire body and comprises an annular bottom 6 in the form of a gasket, which is integrally attached to a first end edge of the side wall 3, thereby forming part of the housing 1 itself, while a supporting ring 7 is detachably connected to the second end edge of the housing 1.

[0032] For this purpose, the support ring 7 comprises an annular groove 8, into which the second end edge of the housing 1 fits. Furthermore, in order to ensure that the support ring 7 is fastened to the housing 1, engagement mechanisms 9 are included, each of which comprises a pivoting blade 9a, an articulated frame 9b connected in an articulated manner to the pivoting blade 9a, and a fixing flange 9c, on which the articulated frame 9b engages in the anchoring position of the engagement mechanism 9.

[0033] Each pivoting blade 9 a is coupled in an articulated manner to a protruding appendix integral with the supporting ring 7 , while the fixing flange is integral with the housing 1 .

[0034] In this first embodiment of the invention described, the removable axial fastening system of the filter assembly is formed by the annular bottom 6 of the housing 1 and by the support ring 7, wherein both the annular bottom 6 and the support ring 7 include through holes 10, 11 aligned with the axial channel 5 of the filter element 2.

[0035] exist Figure 4 In the second embodiment of the invention shown in FIG, the housing 1′ comprises two parts attached by means of a hinged joint 12, and the housing 1′ comprises a joining mechanism 9′, such as the joining mechanism described above for being able to join the two parts of the housing 1′ between each other and to stably combine the structure of the cylindrical tubular housing 1′. The joining mechanism 9′ is located close to the facing edges of the two parts of the housing 1′.

[0036] In this second embodiment of the invention, the filter element 2 comprises two separate parts which are joined together when the filter is assembled around the braking device F, wherein, in said assembled position, the filter element 2 forms a cylindrical tubular shape identical to that described in the first embodiment.

[0037] In a second embodiment of the invention, two opposing support rings 7' are also included, which constitute a removable axial fastening system for the filter when it is assembled in the brake device F. For this purpose, the support rings 7' are placed in parallel planes inside the housing 1', in contact with the inner surface of the housing 1', wherein the contact is close to two opposite end edges: a first end edge and a second end edge of the housing 1'. The support rings 7' include through holes 13, 14 aligned with the axial channel 5 of the filter element 2.

[0038] Furthermore, one of the support rings 7 of the first embodiment of the invention and 7 ′ of the second embodiment of the invention comprises a pair of boreholes 15 configured for fitting sleeves 16 therein for connection to the cooling ducts of the brake device described in patent P201731144, which belongs to the same owner as the present invention.

[0039] Thus, the assembly of the housing 1 , 1 ′ made of drilled sheet metal together with the filter element ( 2 ) surrounds the braking device F so that all particles released during each braking operation are deposited in said filter element 2 , thus preventing them from being released into the air.

[0040] When the filter has been used for a certain number of kilometers, the first option is to replace the filter element 2 with another new one and to be able to recycle the used filter element 2; and the second option is to reuse the filter element 2 if it is washable. In this case, the braking device of the above patent is once again in a state where it can continue braking and protect the environment.

[0041] Protection under the present invention also extends to "soundproofing" the noise produced by the braking device each time the brake is applied, and to "protecting the braking device from external factors," such as dust, sand, pebbles, etc.

[0042] In the packaging design of the braking device of the referenced patent, easy replacement of the filter has been taken into consideration, wherein, once the wheels of the vehicle have been removed, this exposes the packaging of the shell 1, 1' to the view, so that by manually actuating the coupling mechanism 9, 9', the shell 1, 1' is released and can be manually removed outward, thereby exposing the particle filter element 2 to the view, which in turn allows the particle filter element 2 to be easily replaced by also taking it outward, and the particle filter element 2 is assembled in the same way.

[0043] The accompanying drawings show an illustrative but non-limiting example of a packaging system for a braking device primarily applicable to the cited patent P201731144, as well as design variants of the packaging system of this braking device for easy replacement of the particle filter element 2, which also depends on the positioning arrangement structure of the braking device; it should also be noted that the filtration of harmful particles is 100%.

[0044] It is important to understand that the brake device of the referenced patent has the technical capability to be mounted on the wheel (non-suspension) and on the vehicle chassis (suspension). The first embodiment of the present invention will be suitable for mounting on the wheel of the vehicle, while the second embodiment of the present invention can be mounted in two ways.

[0045] It is important to understand that the braking device of reference patent P201731144 has the technical capability to be mounted on the wheel (non-suspension) and on the vehicle chassis (suspension), so that the first embodiment of the filter of the present invention will be suitable for mounting on the wheel of the vehicle, while the second embodiment of the present invention will be suitable for mounting in both ways.

Claims

1. A filter for a braking device (F), the filter being configured to collect particles released each time the braking device is braked, wherein: - the filter comprises a housing (1), a cylindrical tubular filter element (2) and a removable axial fastening system for fixing the filter to the braking device; - the filter element (2) is located in and fitted within the housing (1), wherein the housing (1) comprises at least one cylindrical tubular side wall (3), the side wall (3) having two opposite end edges, namely a first end edge and a second end edge, and wherein the filter element (2) is seated on the inner surface of the side wall (3) of the housing (1); wherein the filter comprises an internal space configured to enclose the braking device; wherein the filter element (2) is configured to intercept pollutant particles released from the braking device (F); and wherein the detachable axial fastening system provides axial fastening of the filter, axial fastening of the filter element (2) within the housing (1) when the filter is assembled into the braking device (F), and wherein the detachable axial fastening system provides a device for assembling and disassembling the filter; characterized in that the cylindrical tubular housing (1) is the entire body and comprises an annular bottom (6), which is integrally attached to the first end edge of the side wall (3) to form a part of the housing (1) itself, and a support ring (7) is detachably connected to the second end edge of the housing (1), wherein the annular bottom (6) and the support ring (7) constitute the detachable axial fastening system.

2. The filter for a brake device (F) according to claim 1, wherein The support ring (7) comprises an annular groove (8) in which the second end edge of the housing (1) fits, wherein the support ring (7) is detachably anchored to the housing by means of an engagement mechanism (9).

3. The filter for a brake device (F) according to claim 2, wherein: Each of the coupling mechanisms (9) comprises a pivoting blade (9a), an articulated frame (9b) connected to the pivoting blade (9a) in an articulated manner, and a fixing flange (9c), wherein the articulated frame (9b) is engaged on the fixing flange (9c) in the anchoring position of the coupling mechanism (9), wherein each pivoting blade (9a) is articulatedly connected to a protruding appendage integral with the support ring (7), and the fixing flange (9c) is integral with the housing (1).

4. The filter for a brake device (F) according to any one of the preceding claims 1 to 3, wherein The annular bottom (6) and the support ring (7) comprise through holes (10, 11) aligned with the axial passage (5) of the filter element (2).

5. The filter for a brake device (F) according to claim 1, wherein The support ring (7) coupled to the housing (1) includes a pair of bores (15) configured for fitting a sleeve (16) therein.

6. The filter for a brake device (F) according to any one of claims 1 to 3 and claim 5, wherein The side wall (3) of the housing (1) comprises a set of holes (4).

7. The filter for a brake device (F) according to claim 4, wherein The side wall (3) of the housing (1) comprises a set of holes (4).

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