Abstract: System for suctioning braking particles from a friction braking system, the suction system including a negative-pressure source, a suction mouth, a pneumatic circuit connecting the suction mouth and the negative-pressure source, and a control unit, the suction system further including a closure unit arranged on the pneumatic circuit, the closure unit being able to isolate at least a first portion of the pneumatic circuit, the control unit being configured to control the closure means according to a predetermined logic in order to isolate the first portion of the pneumatic circuit during certain phases between two actual uses of the negative-pressure source.

Abstract: A friction assembly for a brake system able to collect vapors resulting from the friction of a lining. The friction assembly for a disc brake system includes: —a lining made of friction material, including a friction face, an attachment face opposite the friction face, and a collection groove that is open on the friction face; —a sole plate, supporting the lining, including a hole; —a negative pressure source configured to create negative pressure in the collection groove and the hole. The friction assembly includes a gas filtration device, in pneumatic communication with the collection groove and the hole, able to collect gases resulting from friction of the lining and coming from the collection groove.

Abstract: A brake pad includes a sole plate with outer and inner faces, and a lining made of friction material fixed to the inner face, the lining being delimited by friction and attachment faces, and inner, outer, rear, and front edges. The lining has a collection groove open on the friction face near the rear edge, the sole plate including a suction hole in fluid communication with the collection groove, this hole being connected to a negative pressure source. The collection groove is extended, at an end, by a duct of which the outer end is open away from the friction face, via an inlet, and of which the inner end is open in the collection groove via an outlet forming a cross-sectional jump with the groove. During operation, a negative pressure exists between the inlet and the collection groove one on each side of the duct.

Abstract: Disclosed is a system for suctioning braking particles from a friction braking system of a vehicle, the suction system including a negative-pressure source, a suction mouth, a filter, a pneumatic circuit connecting the suction mouth to the negative-pressure source, and a control unit configured to control the negative-pressure source, the suction system also including a pressure sensor for measuring the pressure prevailing in the pneumatic circuit, the control unit controlling the negative-pressure source so that the pressure in the pneumatic circuit reaches or tends to meet a predetermined negative-pressure setpoint, and an associated method.

Abstract: A separating device that receives via a lower inlet an air flow laden with impurities, namely dust produced by pads of a brake assembly, and makes it possible to separate and collect heavy dust. The housing of the device contains a multi-cyclone cluster, with cyclones distributed annularly and supplied tangentially by a central collector surmounting an axial duct communicating with the inlet. The centrifuged and separated liquid and solid particles are directly collected below the cyclones in a trapping zone around the duct, the cluster forming a transverse barrier connected in a sealed manner to the duct so as to prevent the liquid collected in the trapping zone from rising towards a downstream zone, only gravity discharge orifices of the cyclones allowing the trapping zone to be filled during the operation of the device.

Abstract: The filtration device enables the separation and collection of dust and particles produced by the pads of a brake assembly. A first separation unit having an air filtration medium, typically annular, is provided in the housing of the device, in order to define an upstream zone where air is admitted, for example tangentially, and a downstream zone in communication with an outlet of the housing for discharging the purified air. The upstream zone is in communication with a lower stage situated lower down, in which a second separation unit is located in order to separate water from particles that have fallen from the upstream zone. A filtration by the second unit is intended to collect clean water and possibly to discharge this water by gravitational flow. The fallen particles remain trapped inside the device, under the first unit.

Abstract: The brake pad for a disk brake includes a lining and a plate. The lining includes:—a friction face and a fastening face;—a rear edge;—an inner edge and an outer edge; and—a collection groove extending into the inner edge or outer edge. The plate has a hole, the hole being connected to a vacuum source via communication element. The lining has a rear region including the rear edge and the collection groove, and a chamfered portion such that an area of a friction surface of the rear region increases when a thickness of the rear region decreases, the collection groove being located at a distance from a free surface of the chamfered portion and having a cross-section which extends obliquely towards the free surface of the chamfered portion.

Abstract: A separating device that receives via a lower inlet an air flow laden with impurities, namely dust produced by pads of a brake assembly, and makes it possible to separate and collect heavy dust. The housing of the device contains a multi-cyclone cluster, with cyclones distributed annularly and supplied tangentially by a central collector surmounting an axial duct communicating with the inlet. The centrifuged and separated liquid and solid particles are directly collected below the cyclones in a trapping zone around the duct, the cluster forming a transverse barrier connected in a sealed manner to the duct so as to prevent the liquid collected in the trapping zone from rising towards a downstream zone, only gravity discharge orifices of the cyclones allowing the trapping zone to be filled during the operation of the device.

Abstract: Disclosed is a friction set for a railway disk brake system for railway rolling stock including: a shoe holder including a receiving slideway; a friction shoe including a brake pad and a profiled shape configured for being slid into the receiving slideway, where the friction shoe includes a pneumatic conduit connecting a first space delimited by a first surface of the friction shoe to a second space delimited by a second opposite surface the friction shoe; at least one through hole arranged in the shoe holder and laid out so as to be facing the pneumatic conduit; and a pneumatic junction ring laid out in the pneumatic conduit forming a pneumatic guide between the through hole of the shoe holder and the pneumatic conduit of the friction shoe.

Abstract: Disclosed is a friction set for a railway disk brake system for railway rolling stock including: a shoe holder including a receiving slideway; a friction shoe including a brake pad and a profiled shape configured for being slid into the receiving slideway, where the friction shoe includes a pneumatic conduit connecting a first space delimited by a first surface of the friction shoe to a second space delimited by a second opposite surface the friction shoe; a through hole arranged in the shoe holder and laid out so as to be facing the pneumatic conduit; and a pneumatic connector mounted on the shoe holder, pneumatically connected with the through hole, extending away from the friction shoe and rotationally mobile relative to the shoe holder, around an axis perpendicular to a main plane of the shoe holder.

Abstract: The brake pad (10A, 10B) comprises a lining (22) made of friction material and a plate (20) supporting the lining (22). The lining (22) comprises: —a rear edge (34) located on the side where the disk (9) is able to come out of an interface with the pad (10A, 10B) when the disk (9) rotates in an direction of travel of the vehicle, and a front edge (36); —a collection groove (3) that opens into the friction face (30) and is located close to the rear edge (34). The lining (22) has a rear region (60) comprising the rear edge (34) and the collection groove (3), and a front region (62) comprising the front edge (36), the front region (62) having a chamfered portion (66) such that an area of a friction surface of the front region (62) increases when a thickness of the front region (62) decreases.

Abstract: Brake pad in an axle disc brake A, the pad comprising a shoe (1) and a lining made from friction material, the lining being defined by a friction face (26), a mounting face (20), an internal edge (23), an external edge (24), a front edge (21), a rear edge (22), the lining being provided with a collection groove (3), open on the friction face (26) and arranged close to the front edge (21), the shoe comprising a hole (17) in fluid communication with the collection groove, this hole being connected to a vacuum source via the communication means (4), the collection groove emerging at one of the edges chosen among the internal and external edges.

Abstract: The filtration device enables the separation and collection of dust and particles produced by the pads of a brake assembly. A first separation unit having an air filtration medium, typically annular, is provided in the housing of the device, in order to define an upstream zone where air is admitted, for example tangentially, and a downstream zone in communication with an outlet of the housing for discharging the purified air. The upstream zone is in communication with a lower stage situated lower down, in which a second separation unit is located in order to separate water from particles that have fallen from the upstream zone. A filtration by the second unit is intended to collect clean water and possibly to discharge this water by gravitational flow. The fallen particles remain trapped inside the device, under the first unit.

Abstract: Nonpolluting brake assembly comprising a rotor, a pad comprising friction material capable of releasing particles resulting from abrasion, an autonomous suction device for drawing off said particles which comprises an intake opening arranged in the immediate vicinity of the pad and the rotor, a collection chamber for collecting the particles, an impeller driven by the rotor by means of a roller pressing on the rotor, for drawing off the particles through the opening and propelling them into the collection chamber, such that the particles are trapped as close as possible to their emission.

Abstract: A non-polluting brake assembly comprising a caliper bracket, a rotor disc, two movable pads clamped by a caliper, the pads comprising friction material capable of releasing particles resulting from abrasion, and a suction device arranged at least partially in proximity to the caliper bracket, the suction device comprising, in proximity to each pad, a suction zone delimited by a deflector and in which a negative pressure is created, characterized in that the deflector comprises at least one portion located in an external radial position relative to the pad.

Abstract: Nonpolluting brake assembly comprising a rotor, a pad comprising friction material capable of releasing particles resulting from abrasion, an autonomous suction device for drawing off said particles which comprises an intake opening arranged in the immediate vicinity of the pad and the rotor, a collection chamber for collecting the particles, an impeller driven by the rotor by means of a roller pressing on the rotor, for drawing off the particles through the opening and propelling them into the collection chamber, such that the particles are trapped as close as possible to their emission.

Abstract: Nonpolluting brake assembly comprising a rotor, a pad comprising friction material capable of releasing particles resulting from abrasion, an autonomous suction device for drawing off said particles which comprises an intake opening arranged in the immediate vicinity of the pad and the rotor, a collection chamber for collecting the particles, an impeller driven by the rotor by means of a roller pressing on the rotor, for drawing off the particles through the opening and propelling them into the collection chamber, such that the particles are trapped as close as possible to their emission.