Abstract: Provided is a brake disc for a disc brake having a braking band made of gray cast iron or steel, provided with two opposite braking surfaces, each of which defines at least partially one of two main faces of the brake disc. The brake disc is provided with a base layer composed of a totally nickel-free steel that covers at least one of the two opposite braking surfaces of the braking band. The totally nickel-free steel of the base layer is composed of 10% to 15% chromium (Cr), at most 1% silicon (Si), at most 4% manganese (Mn), 0.16% to 0.5% carbon, and iron (Fe) as a balance.

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 caliper body for a brake caliper for a disc brake, arranged straddling a disc, has a first elongated portion configured to face a first braking surface of the disc by interposing at least one first brake pad, a second elongated portion, opposite the first elongated portion and configured to face a second braking surface of the disc by interposing at least one second brake pad. A caliper bridge connects the first and second elongated portions. At least either the first or second elongated portion has a thrust device housing receiving at least one portion of a thrust device, configured to apply a thrust action on at least one brake pad to abut the at least one brake pad against a braking surface of the disc. A first annular housing radially opens into the thrust device housing and receives an elastic retraction element that applies a retracting action on the thrust device.

Abstract: A grey cast iron may have within a ferrous matrix an amount of carbon between 3.60 and 3.90% by weight; an amount of silicon between 1.40 and 1.90% by weight; an amount of titanium not higher than 0.10% by weight; an amount of manganese between 1.0% and 1.5% by weight; an amount of nickel not higher than 0.20% by weight; an amount of chromium between 0.40% and 1.0% by weight; an amount of copper not higher than 0.35% by weight; an amount of phosphorus not higher than 0.10% by weight; an amount of sulphur not higher than 0.12% by weight; an amount of tin not higher than 0.10% by weight; an amount of molybdenum not higher than 0.10% by weight.

Abstract: A linear actuating device for a brake caliper adapted to bias at least one brake pad to abut against a braking surface of a brake disc is provided. The linear actuating device has a motor having a rotating drive shaft and a stator. The rotating drive shaft has a tubular body forming an inner drive shaft chamber. The rotating drive shaft is directly and operatively connected to a harmonic transmission. The harmonic transmission is directly and operatively connected to a rotary-to-linear motion conversion device adapted to transform a rotary motion into a linear motion. The rotary-to-linear motion conversion device is adapted to bias the least one brake pad to abut against the braking surface along an axial direction and is at least partially accommodated inside the inner drive shaft chamber.

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 detection device for detecting a braking force applied by a brake caliper on a hub holder is configured to be mounted at a fastening interface between the brake caliper and the hub holder and has a low-friction body, a caliper-hub-holder connection element, a sensor element, and an electrical interface. The low-friction body puts into contact the brake caliper and the hub holder at the fixing interface. The caliper-hub-holder connection element, configured to be mechanically connected to the brake caliper and the hub holder, is susceptible of deformation. The low-friction body decouples tightening forces from the braking forces to minimize the effect of the tightening forces on the detection device. The sensor element detects strains and generates electrical signals indicative of detected strains and representative of the braking force. The electrical interface is connected to the sensor element for conducting and making available the generated electrical signals.

Abstract: A method for detecting and providing information representative of particulate emissions of a braking system of a vehicle involves acquiring, by a portable electronic device, identification data of the vehicle entered by a driver, acquiring, by a plurality of sensors, driving data of the vehicle, storing in a memory module, by a data processing module, the acquired driving data as a first time series of points, sending to a remote computer the driving data, and performing a first processing of the received driving data to determine a representation of the driving data as a second time series of points. The method further involves determining a value of a first physical magnitude and a value of a second physical magnitude of the braking system, determining one or more values representative of the particulate emission and providing the driver with the determined one or more values representative of the particulate emission.

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 device for detecting a clamping force of a brake caliper of a vehicle braking system is provided. The device has a force sensor, a force transmitting element suitable for transmitting the clamping force exerted by the brake caliper to the force sensor, and a mechanical limit stop element. The force transmitting element is movable when subjected to the clamping force exerted by the brake caliper. The force sensor is configured to measure the clamping force up to a sensor force threshold value that is lower than a maximum clamping force exertable by the brake caliper. The mechanical limit stop element is configured to be engaged by the force transmitting element when the clamping force exceeds the sensor force threshold value.

Abstract: A brake caliper for a disc brake system has a caliper body straddling the disc and having a first elongated portion facing a first braking surface of the brake disc, and a second elongated portion, opposite to the first elongated portion and facing a second braking surface of the brake disc opposite to the first braking surface. A bridge connects the first elongated portion and the second elongated portion to each other. The brake caliper has at least one pair of opposite brake pads, each brake pad having friction material and a support plate supporting the friction material, the support plate having a plate back facing a respective elongated portion of the first and second elongated portions. A detecting device for detecting a biasing force directed in axial direction is interposed between the plate back of the second brake pad and the second elongated portion of the caliper body.

Abstract: A caliper and support assembly has a brake caliper having a caliper body, and a supporting structure connected to the caliper body and having a first fixing portion and a second fixing portion for connecting with a vehicle, and a connecting portion for connecting the caliper body to the first fixing portion along a direction parallel to an axial direction or a direction parallel to a radial direction. The connecting portion allows a free movement of the caliper body relative to the supporting structure along a predetermined direction incident to the axial and radial directions or to directions parallel thereto. A constraining element connects the caliper body to the second fixing portion preventing the free movement of the caliper body and during a braking action elastically deforms determining a displacement of the caliper body relative to the supporting structure. A detecting device detects the displacement of the caliper body.

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 method for determining a braking torque at at least one fixing interface between a brake caliper body and a brake caliper support includes inserting at least one washer device at the at least one fixing interface, the washer device having at least one fiber-optic strain sensor of fiber Bragg grating type, detecting, by the at least one fiber-optic strain sensor, local deformation and/or strain acting in a respective detecting position, and generating at least one respective photonic signal representative of the detected deformation and/or strain, receiving the at least one first photonic signal, by an optical reading/interrogation unit optically connected to the at least one fiber-optic strain sensor, generating at least one electric signal representative of the detected local deformation and/or strain, based on the received first photonic signal, and determining the braking torque based on the at least one electrical signal.

Abstract: The invention relates to a method for controlling a braking system of a vehicle for distributing braking forces on at least one piston of a disc brake caliper of the vehicle. The method is performed by a braking system control system.

Abstract: The invention relates to a method for controlling a braking system of a vehicle for distributing braking forces on at least one first and at least one second pistons of a disc brake caliper of the vehicle. The method is performed by a braking system control system for brake force distribution.

Abstract: A method for manufacturing a brake pad preform for disc brakes is provided. The method involves preparing a thermosetting mixture by mixing a polymer resin in liquid form or particle powder form and ceramic particles in powder form, combining the thermosetting mixture with a carbonaceous material composed of carbon fibers to obtain a molding compound, molding the molding compound by compaction and heat treatment to obtain a crude preform, and subjecting the crude preform to a pyrolysis treatment to obtain the brake pad preform. A brake pad preform or a brake pad obtained by the manufacturing method is composed of a carbon-carbon composite composed of a matrix of carbonaceous material and carbon fibers in which the ceramic particles are uniformly dispersed in the matrix of carbonaceous material.

Abstract: A braking system for vehicles has a pilot pump with a manual actuation device, which is fluidically connected to an absorber device which simulates the driving resistance offered by at least one braking device. The system has at least one control unit operatively connected to at least one sensor and to the manual actuator device and is programmed to actuate the braking device via the actuator device when it receives from the sensors a braking action request signal. The control unit is programmed so as to correct the braking action requested by the user, actuating the manual actuator device so as to avoid blocking of one or more wheels or the occurrence of instability of the vehicle during braking. The control unit is programmed to induce on the manual actuation device at least one vibration when it corrects the braking action requested by the user.