Abstract: A method for actuating a parking brake system of a vehicle with at least three brake calipers associated with one or more axles of the vehicle is described. The method may include the following steps: providing at least one detection device for detecting the vehicle status, acquiring a value of the vehicle status with the detection device, comparing the detected value with a reference value of the vehicle status, and actuating two brake calipers of the at least three brake calipers if the detected value is lower than the reference value or actuating all the at least three brake calipers if the detected value is equal to or greater than the reference value.

Abstract: A braking band extends between an inner diameter and an outer diameter. The braking band has two plates having inner surfaces delimiting a gap, outer surfaces having opposite flat circumferential portions and a plate body having an extension in axial direction. The plates are joined by connecting elements. At least one plate has at least one projection projecting into the gap without reaching the opposite plate, forming a localized narrowing of the gap and a thickening of the plate body, creating a localized increase of the thickness of plate. The projection extends from a first connecting element to an adjacent connecting element, connecting them, and along the circumferential direction, connecting at least two adjacent connecting elements. A group of projections extends circumferentially along a discontinuous annular path, avoiding a uniform distribution in circumferential direction.

Abstract: A braking band of a disc brake disc of a ventilated type unusually capable of avoiding vibrations which induce annoying squeals during the braking action. The braking band having two plates joined by connecting elements. At least one of the connecting elements is a fin that has an extension along an outer circumferential width, and an extension along an inner circumferential width. A section taken along a section plane having a radial and circumferential direction, section made by passing through a mean air flow point which runs through a gap, where the outer circumferential width is greater than the inner circumferential width.

Abstract: A disc brake caliper has a caliper body and a pair of pads and, in each side portion of the caliper body, a distal piston and a proximal piston, having radially distanced and aligned pressure centers.

Abstract: A braking system with a brake pump are described. The brake pump may have a first and a second delivery circuit fluidically connectable to at least a first and a second braking device. The first delivery circuit may have an indirect stage fluidically connectable to the first braking device and a direct stage intercepted by a first control valve, fluidically connectable alternately to a braking simulator and to the at least one second braking device. The second delivery circuit may be intercepted by the first control valve so as to actuate the second braking device alternately to the direct stage of the first delivery circuit.

Abstract: A preform for making a component of a braking system having a fibre-reinforced ceramic composite material, obtained by forming and subsequent pyrolysis of a pre-preg is described. Also described is a component of a braking system made wholly or in part from the preform, and a method for making a preform in a fibre-reinforced ceramic composite material.

Abstract: A method for manufacturing a brake disc includes providing at least one sheet of predefined thickness, blanking a first disc-shaped portion in the at least one sheet adapted to make a first plate of a ventilated braking band, blanking a second disc-shaped portion in the at least one sheet adapted to make a second plate of the ventilated braking band, blanking a third portion in the at least one sheet adapted to make at least one ventilation spacer for the ventilated braking band, drawing the third portion by shaping first and second protrusions, forming opposite first and second recesses adapted to make ventilation channels, connecting the first disc-shaped portion to the first protrusion by discontinuous weld spots, and connecting the second disc-shaped portion to the second protrusion by discontinuous weld spots.

Abstract: A brake caliper for a disc brake has a caliper body straddling a brake disc. The caliper body has a thrust device housing accommodating a thrust device configured to apply a bias on at least one brake pad to abut the at least one brake pad against braking surfaces of the brake disc. The thrust device is operatively connected to a translating screw nut. The translating screw nut is operatively connected to a worm. The worm is operatively connected to a gearbox and rotatably supported by a screw thrust bearing configured to apply for the worm an axial reaction. At least one part of the gearbox is rotatably supported by at least one gearbox thrust bearing configured to apply for the at least one part of the gearbox a radial reaction. The screw thrust bearing and the gearbox thrust bearing are a same thrust bearing.

Abstract: A method for detecting and measuring a clamping force and/or a braking torque includes encapsulating a fiber-optic strain sensor in a casing and incorporating the casing in a portion of friction material adhering to a base platform of a brake pad, detecting, by the fiber-optic strain sensor, a first strain in a first position of the casing along a first direction and a second strain in a second position of the friction material along a second direction, generating a first photonic signal, representative of the first detected strain, and a second photonic signal, representative of the second detected strain, receiving the first and second photonic signals, by an optical reading/ interrogation unit, optically connected to the fiber-optic strain sensor, determining, by the optical reading/ interrogation unit, the values of the first and second strains based on the first and second received photonic signals and determining a measurement of the clamping force and/or braking torque based on determined values of the

Abstract: A method for interrogating an FBG sensor includes lighting the FBG sensor with a broadband excitation optical radiation, conveying the optical spectrum transmitted or reflected by the FBG sensor to a tunable optical BPF having a first extraction port and a second transmission port, tuning the optical BPF at a constant operating wavelength, depending on nominal operating wavelength of the FBG sensor, detecting a first optical signal exiting the first extraction port, converting, by a first opto-electronic receiver, the first optical signal into a first electrical signal, representative of a wavelength shift of the spectrum transmitted or reflected by the FBG sensor, detecting a second optical signal exiting the second transmission port, converting the second optical signal, by a second opto-electronic receiver, into a second electrical signal, representative of an optical reference power, and determining the wavelength shift of the spectrum transmitted or reflected by FBG sensor, based on detected first and se

Abstract: A braking band of a disc brake disc has two mutually facing plates having inner surfaces, directly or indirectly facing and delimiting a gap, outer surfaces having flat and opposite circumferential portions which form braking surfaces, and plate bodies having predetermined plate thickness. The plates are joined to each other by connecting elements shaped as columns or ribs which project from one plate towards an opposite plate in the form of bridges which connect the plates. At least one of the plates has at least one shaped pin projecting from a plate into the gap reaching the opposite plate, forming at least one localized narrowing of the gap and a thickening of the plate body, creating a localized increase of the predetermined plate thickness. At least one shaped pin extends from a first connecting element to an adjacent connecting element, connecting the connecting elements, and along a circumferential direction connecting at least two adjacent connecting elements.

Abstract: A brake caliper of a disc brake has a caliper body straddling a brake disc and having a thrust device housing accommodating a thrust device operatively connected to a translating screw nut. The translating screw nut is operatively connected to a worm. The worm is operatively connected to a gearbox and rotatably supported by a screw thrust bearing configured to apply for the worm an axial reaction. At least one part of the gearbox is rotatably supported by a gearbox thrust bearing configured to apply for the at least one part of the gearbox a radial reaction. The thrust bearing has at least one radially inner slewing ring and the gearbox has an epicyclic gear having a fixed gear or an internally toothed body cooperating with at least one planet gear rotatably supported about at least one planet gear pin connected to the at least one radially inner slewing ring to transmit action of the gearbox to the worm by the at least one radially inner slewing ring.

Abstract: A braking band of a disc brake disc has two mutually facing plates having inner surfaces, either directly or indirectly facing and delimiting a gap, outer surfaces having flat and opposite circumferential portions which form braking surfaces and plate bodies having a predetermined plate thickness. The plates are joined to each other by connecting elements shaped as columns or ribs which project from one plate towards an opposite plate in the form of bridges which connect the plates. One of the plates has at least one ridge projecting from the plate into the gap without reaching the opposite plate, forming a localized narrowing of the gap and a thickening of the plate body. At least one ridge extends from a connecting element to an adjacent connecting element, connecting the connecting elements. At least one ridge extends along a circumferential direction connecting two adjacent connecting elements.

Abstract: A brake caliper thrust device for a disc brake is provided. The brake caliper thrust device has a thrust device body adapted to be translated inside a guide device, the thrust device body defining an internal cavity at least partially open and facing towards an object to be pushed, including a brake pad associable with the thrust device. The internal cavity is delimited by at least one internal surface defined by at least one wall of the thrust device. From the at least one wall of the thrust device, at least one heat dissipation element protrudes into the internal cavity, adapted to increase the extension of the at least one internal surface to evacuate heat accumulated by the at least one wall of the thrust device.

Abstract: A brake disc assembly may have a brake band, a bell, and at least one connecting device, which forms a connection between the brake band and the bell. The connecting device and the bell cooperate by delimiting at least one axial band seat where the brake band may slide in an axial direction of a predetermined axial stroke. The bell may have at least a first end-of-stroke surface which forms a first abutment surface in the axial direction for the brake band. The connecting device may have a second end-of-stroke surface, opposite to said first end-of-stroke surface, which forms a second opposite abutment surface in the axial direction for the brake band.

Abstract: A brake actuation assembly comprising a thrust and support element comprising a first thrust end adapted to cooperate with a first jaw of a brake; the thrust and support element comprising a second thrust and support element end; a lever rotatably supported to the thrust and support element for rotating at least along a rotation thrust direction; the lever comprising a first lever end adapted to cooperate with a second jaw of the brake; the lever comprising a second lever end, wherein the second lever end comprises a hooking seat; and wherein the hooking seat is adapted to firmly receive a connecting portion of a coupling end of a traction cable, the traction cable having a cable body capable of an elastic flexural deformation; the hooking seat being arranged undercut with respect to the rectilinear development direction of the cable body; the lever being adapted to oscillate; wherein the lever comprises a lever abutment surface which cooperates with a stop abutment counter-surface provided in the thrust and

Abstract: A hydraulic and electromechanical service and parking disc brake may have a service braking system, having at least one hydraulic actuator, a parking braking system having at least one electromechanical actuator transmission irreversibility, a control system connected to the service braking system and to the parking system and a user interface. A translational member of the electromechanical actuator is restrained to be rotationally integral with respect to the caliper via an anti-rotation shape coupling with a guide portion which is integral with the caliper and arranged on a rear side of the translational member, opposite to the free end.

Abstract: A detection device for simultaneously detecting tangential and normal components of a force acting at a brake caliper or suspension of a vehicle wheel has a plate-shaped casing having a force sensor assembly for detecting normal and tangential force components and for generating one or more electrical signals representative of detected normal and tangential force components. The detection device has an electrical interface for conducting and making the one or more generated electrical signals available. A device and a system for determining a braking force due to action of a vehicle brake caliper and a brake caliper system with a braking force estimation function are also provided. Methods for simultaneously detecting tangential and normal components of a force acting at a brake caliper or exchanged between an axle and a suspension of the wheel and for determining a braking force due to action of a vehicle brake caliper are also provided.

Abstract: A fixed brake caliper for a disc brake disc has a first half-body housing a first thrust device, and facing a first braking surface, a second half-body housing a second thrust device, and facing a second braking surface, and a first bridge element connecting and supporting the second half-body to the first half-body. The first bridge element has a first and a second guiding and resting bridge surfaces. The first half-body has a first protrusion protruding towards the opposite second half-body. The second half-body has a second protrusion protruding towards the opposite first half-body. The first and second half-bodies and the bridge element are mutually separable. The first and second protrusions each delimit a guiding and resting half-body surface, respectively. The first bridge element rests the first bridge surface against the first half-body surface and the second bridge surface against the second half-body surface.

Abstract: The invention consists of a gray cast iron comprising carbon, silicon, vanadium, manganese, nickel, chromium, molybdenum, copper, sulfur, phosphorous, tin and titanium, wherein: the percentage by weight of carbon is from 3.70 to 3.90%; the percentage by weight of silicon is from 1.30 to 2.10%; the percentage by weight of vanadium is from 0.10 to 0.15%; the percentage by weight of manganese is from 0.60 to 0.90%; the percentage by weight of nickel is from 0.05 to 0.50%; the percentage by weight of chromium is from 0.20 to 0.35%; the percentage by weight of molybdenum is no more than 0.10%; the percentage by weight of copper is no more than 0.35%; the percentage by weight of sulfur is less than 0.10%; the percentage by weight of phosphorous is less than 0.10%; the percentage by weight of tin is less than 0.10%; the percentage by weight of titanium is no more than 0.01%; the remainder by weight being iron.