Freni Brembo S.p.a.

Alberto Previtali

Raffaello Cornolti

Aristide Veneziano

Luca Gelfi

Carlo Cantoni

Alberto Comenduli

Raffaello Passoni

Mauro Piccoli

Paulo Oldoni

Alberto Comendull

Raffello Cornolti

Paolo Oldoni

A caliper body for a disc brake is described. The caliper body is adapted to straddle an associable brake disc. The caliper body may have a first elongated portion, or a vehicle-side elongated portion, at least partially adapted to face the first braking surface. The caliper body may also have a second elongated portion, or wheel-side elongated portion, opposite to the first elongated portion and at least partially adapted to face the second braking surface. At least one part of the first elongated portion has at least a first module and at least one part of the second elongated portion has at least a second module. The first module and the second module are obtained by at least one non-additive manufacturing technique.

Caliper body for a disc brake and method for manufacturing a caliper body

A disc brake caliper having a caliper body, a disc brake pad with a support plate supporting a friction material, and a pad retracting device. The pad retracting device includes a guide pin which projects from the caliper body and is received in an opening in the support plate, a first carriage portion facing the caliper body, and a second carriage portion facing the friction material and/or said braking disc. A carriage guide is coupled with a predetermined interference between the carriage and the guide pin, allowing the carriage to slide with respect to the guide pin when the predetermined interference is exceeded. An elastic device is arranged between the second carriage portion and the support plate, which forces the support plate to move away from the second carriage portion, which remains integral to the guide pin, and thus from the braking disc by a predetermined extent.

Pad retracting device assembly for braking disc

An Assembly () of a fixed caliper and hub bracket (), comprises a fixed caliper () having a first vehicle-side elongated portion () that comprises a first disc entry-side tangential end () and a second disc exit-side tangential end (); said portion () being suitable for facing an axial inner surface () thereof towards a first braking surface () of the disc (); said first portion () housing at least one cylinder () suitable for receiving a piston; said caliper body () also comprises a second wheel-side elongated portion () that comprises a first disc entry-side tangential end () and a second disc exit-side end (); said second portion () houses at least one cylinder (); said first and second elongated portions () being connected together by at least one bridge (); said caliper body () also comprises at least one first seat () arranged in said first vehicle-side elongated portion () to receive a first connection element () to connect said fixed caliper to a hub bracket (); said hub bracket () making a support for the fixed caliper () and comprises a hub bracket body () suitable for housing a bearing to support a hub able to be connected to said disc () and to a wheel of the vehicle; said hub bracket body () comprises at least one fourth seat () to receive said first connection element () to firmly connect said first vehicle-side elongated portion () to said hub bracket body (); wherein said caliper body () comprises at least one second seat () to receive a second connection element () and that is arranged in said second wheel-side elongated portion (), and in which said hub bracket body () has an arm () that from said hub bracket body () extends astride of the disc () taking a portion of the arm () in said wheel-side volume (V), and in which said portion of the arm arranged on the wheel side () has a fifth seat () to receive a second connection element () for the connection of the caliper body () to the hub bracket body ().

Assembly of a caliper body of a disc brake and hub bracket

Disc brake calipers with a piston roll-back device capable of allowing accurate and repeatable roll-back of pistons and which are easy to construct and assemble are provided.

Disc brake caliper with piston roll-back device

A disc brake caliper () comprising a first half caliper on the support side and a second half caliper on the wheel side (), at least one of said portions comprising a seat () having a prevailing extension that defines an axial direction (X-X). The caliper comprises at least one inclined bridge element () suitable for structurally connecting said first and said second half caliper (), said at least one bridge element () defining a substantial longitudinal prevailing extension direction (S-S) inclined by a predetermined angle (A) relative to the axial direction (X-X).

Disc brake caliper

Caliper for disc brakes

A braking band () of a disc-brake disc (), which has an unusual ability to improve the cooling efficiency of the disc brake, comprises a first plate () and a second plate () arranged face to face so as to form a space (). A set of spacer elements (-) which connect the first plate () and the second plate. () constitutes a module which is repeated around a circle coaxial with the braking band. The set comprises a first fin () which connects the first plate () to the second plate () and which extends along an arcuate line (). The set of spacer elements further comprises a second fin (), a third fin (), and a fourth fin () which connect the first plate () to the second plate () and which extend along a further arcuate line () interposed between two adjacent arcuate lines ().

Braking bank and disc for disc brake

A braking band for a disc-brake disc includes opposed annular braking surfaces which extend from an inner edge facing towards the axis of rotation to an outer edge facing towards the outside of the disc. The braking band has a uniform distribution of grooves having a pattern or module that is repeated circumferentially in a manner such that the distribution is circumferentially uniform. According to an example embodiment, each of the grooves is closed and extends along a predominant line of extent defining an axis. The module extends from an inner radius to an outer radius which define an annular portion. The module further includes a first groove extending from the inner radius to the outer radius, a second groove, and a third groove that are shorter than the first groove. The axes of the second groove and of the third groove have an opposite inclination to the axis of the first groove.

Disc brake braking band and disc for a disc brake

Vehicle disk brake

Disc for a disc brake

Brake disc

A bleed device for hydraulic circuits and a kit for bleeding are described that enable bleeding of the hydraulic circuit independently of the removal or slackening of the bleed device. In one embodiment, the bleed device comprises two opposing ends having a bleed duct extending through them. One end is designed to close the aperture of the hydraulic circuit. The other end is part of a quick-release connector and is designed to couple with the other part of the quick-release connector, whereby the bleed device may be connected to a bleed liquid collection vessel. Also, coupling of the quick-release connector simultaneously opens a one-way check valve in the bleed duct. The one-way check valve closes during normal operation of the hydraulic circuit. A protective cap on the bleed device keeps foreign matter from fouling the quick-release connector end.

Bleed device and kit for hydraulic circuits

A functionally excellent and structurally simple disk brake with a caliper body formed as a single part constituted by a hub-side elongate element, by a wheel-side elongate element, and by connecting bridges extending astride a disk, hydraulic pressure pistons housed in the elongate elements and acting on respective pads by way of radiator elements, as well as a duct for the passage of cooling air, formed inside the caliper body and extending between the inlet opening and outlet openings facing these radiator elements.

Growing community of inventors

Palazzago, Italy

Alberto Previtali