公开(公告)号：WO2016174587A1

公开(公告)日：2016-11-03

申请号：PCT/IB2016/052383

申请日：2016-04-27

Applicant: FRENI BREMBO S.P.A.

Inventor： SALA, Paolo ,  GHISLANDI, Fabio ,  DI STEFANO, Massimo ,  CAPPELLETTI, Luca ,  SZEWCZYK, Beniamin ,  ROSSI, Alessandro ,  DOSSI, Stefano

IPC: F16D65/18

CPC classification number: F16D65/18 ,  B60T13/741 ,  F16D2121/24 ,  F16D2125/34 ,  F16D2125/48 ,  F16D2125/582 ,  F16D2127/06 ,  F16D2129/04

Abstract: A locking device of an electromechanically-operated brake caliper for a disc brake, comprising a ratchet comprising a rotating element (11) having at least one first cam and one first follower (13) pushed elastically against said rotating element, configured to act in conjunction with said at least one first cam to allow the rotation of the rotating element (11) in a first direction of rotation, and to prevent the rotation of the rotating element in a second direction of rotation, opposite to said first direction of rotation; a selector element (15) sliding between a first selector element position and a second selector element position, said selector element (15) being adapted to operate said first follower (13) so that, in said first selector element position, said selector element (15) keeps said first follower (13) in a disengaged position away from the rotating element (11) in which the application of a parking braking action is prevented, and so that, in said second selector element position, the selector element (15) keeps said first follower (13) in an engaged position in contact with said rotating element (11) in which a parking braking action can be applied; said selector element having a second cam (16) and said first follower (13) having a first follower opening (14) forming a second follower (9), said second cam (16) being configured to act in conjunction with said second follower (9) to operate said first follower between said engaged position and said disengaged position.

Abstract translation: 一种用于盘式制动器的用于机电操作的制动钳的锁定装置，包括棘轮，其包括具有至少一个第一凸轮的旋转元件（11）和与所述旋转元件弹性地推动的一个第一从动件（13） 所述至少一个第一凸轮允许旋转元件（11）沿第一旋转方向旋转，并且防止旋转元件在与所述第一旋转方向相反的第二旋转方向上旋转; 选择器元件（15），其在第一选择器元件位置和第二选择器元件位置之间滑动，所述选择器元件（15）适于操作所述第一从动件（13），使得在所述第一选择元件位置中所述选择器元件 15）将所述第一从动件（13）保持在离开所述旋转元件（11）的脱离位置，在所述旋转元件（11）中防止了停车制动动作，并且在所述第二选择元件位置中，所述选择器元件（15） 将所述第一跟随器（13）保持在与可以应用停车制动动作的所述旋转元件（11）接触的接合位置; 所述选择器元件具有第二凸轮（16），所述第一从动件（13）具有形成第二从动件（9）的第一从动开口（14），所述第二凸轮（16）构造成与所述第二从动件 在所述接合位置和所述脱离位置之间操作所述第一从动件。

公开(公告)号：WO2019021246A1

公开(公告)日：2019-01-31

申请号：PCT/IB2018/055618

申请日：2018-07-27

Applicant: FRENI BREMBO S.P.A. ,  POLITECNICO DI MILANO

Inventor： DOSSI, Stefano ,  TARANTINI, Alfonso ,  CALAMAI, Giulio ,  RALLO, Gianmarco ,  FORMENTIN, Simone ,  SAVARESI, Sergio Matteo

IPC: B60T8/172 ,  B60T7/10 ,  B60T13/74

Abstract: A method for estimating a braking force applicable between pad and brake disc by an electric parking-braking system of a vehicle, the vehicle comprises: at least a first moving member; a first brake disc mounted to said at least a first moving member; a first brake caliper operatively associated with the first brake disc, the first brake disc comprising a first pair of pads adapted to be actuated to apply a braking force to the first brake disc, The system comprises: a first piston, operatively connected to a first pad of the first pair of pads of the first brake caliper, which can be actuated to thrust the first pair of pads of the first brake caliper so as to apply a braking force between the first pair of pads of the first brake caliper and the first brake disc; an electric motor operatively connected to the first piston by means of an electromechanical mechanism adapted to transform a rotary motion of the electric motor into a linear motion of the first piston; a data processing unit operatively connected to an actuator of the electric motor; one or more sensors for detecting electric quantities of the electric motor, operatively connected to the data processing unit. The method (200) comprises the steps of: detecting (201), by said one or more sensors of electric quantities of the electric motor, an electric current i(t) delivered to the electric motor and an instantaneous value of the electric voltage for electrically supplying the electric motor, during a parking- braking operation, the parking-braking operation comprising a first non-contact stage between the first pair of pads of the first brake caliper and the first brake disc, which is between a first time instant representative of the beginning of the parking-braking operation and a second time instant representative of the beginning of the contact between the first pad of the first pair of pads and the first brake disc, the parking-braking operation further comprising a second contact stage between the first pair of pads of the first brake caliper and the first brake disc, which is between the second time instant and a third time instant representative of the end of the parking-braking operation, a set further time instant being defined in the second contact stage between the second time instant and the third time instant; determining (202), by the data processing unit, starting from the set further time instant, an instantaneous braking force value at an estimate time instant on the basis of the electric current i(t) detected between the second time instant and the estimate time instant and of the electric voltage v(t) detected between the second time instant and the estimate time instant.

公开(公告)号：WO2019002916A1

公开(公告)日：2019-01-03

申请号：PCT/IB2017/053863

申请日：2017-06-28

Applicant: FRENI BREMBO S.P.A.

Inventor： BERTOLOTTI, Andrea ,  CANOVA, Walter ,  DOSSI, Stefano ,  WOLOSZYN, Tomasz

IPC: B60T7/12 ,  B60T13/74

Abstract: The present invention relates to a method for actuating a parking brake system of a vehicle (12) comprising at least three brake calipers (20, 21) associated with one or more axles (14, 15, 16) of the vehicle, comprising the following steps: -providing at least one device (26, 126, 226) for detecting the vehicle status; -acquiring a value (R) of the vehicle status, or detected value (R), with said detection device (26, 126, 226); -comparing the detected value (R) with a reference value (Rref) of the vehicle status, or reference value (Rref), and alternatively proceeding with one of the following options: -if the detected value (R) is less than the reference value (Rref), actuating two brake calipers (20) of the at least three brake calipers (20, 21); or -if the detected value (R) is equal to or greater than the reference value (Rref), actuating all the at least three brake calipers (20, 21).

公开(公告)号：WO2018185720A1

公开(公告)日：2018-10-11

申请号：PCT/IB2018/052399

申请日：2018-04-06

Applicant: FRENI BREMBO S.P.A.

Inventor： CARBONE, Fabio ,  CARESIA, Pietro ,  MIOTTO, Alessio ,  CALAMAI, Giulio ,  BUTTI, Andrea ,  DOSSI, Stefano

IPC: B60L7/08 ,  B60L7/18 ,  B60L7/22 ,  B60L7/26 ,  B60L15/20 ,  B60L11/18 ,  B60T1/06 ,  B60T13/74

Abstract: A method (300) for controlling the regenerative braking torque of a vehicle (100), the vehicle (100) comprising at least one first axle on which at least one first moving member (R1) of the vehicle (100) is mounted and at least one second axle on which at least one second moving member (R2) of the vehicle (100) is mounted, the vehicle (100) further comprising a braking system (200) comprising a first plurality of components (201) operatively associated with said at least one first axle and a second plurality of components (201) operatively associated with said at least one second axle, the vehicle (100) comprising at least one traction and regenerative braking supply module (203) configured to provide the regenerative braking torque to one or more regenerative braking torque actuation modules with which the vehicle (100) is provided, the vehicle (100) further comprising a battery module (2) and at least one data processing unit (204) operatively connected to said at least one traction and regenerative braking supply module (203), to the first plurality of components (201) of the braking system (200), to the second plurality of components (202) of the braking system (200). The method (300) comprises steps of: detecting (301), by the at least one data processing unit (204), a first information representing a deceleration request of the vehicle (100); detecting (302), by the at least one data processing unit (204), a second information representing a speed of at least one of the vehicle (100), the first moving member (R1) of the vehicle (100) and the second moving member (R2) of the vehicle (100); determining (303), by the at least one data processing unit (204), a first temperature value of at least one component of the first plurality of components (201 ) of the braking system (200) operatively associated with said at least one first axle; determining (304), by the at least one data processing unit (204), a second temperature value of at least one component of the second plurality of components (202) of the braking system (200) operatively associated with said at least one second axle; determining (305), by the at least one data processing unit (204), a third information representing the state of at least one of the battery module (205) and said at least one traction and regenerative braking supply module (203); determining (306), by the at least one data processing unit (204), a regenerative braking power dynamic distribution ratio between the first axle and the second axle on the basis of the first information, of the first temperature value and of the second temperature value; determining (307), by the at least one data processing unit (204), a first regenerative braking torque value to be applied to the first axle and a second regenerative braking torque value to be applied to the second axle on the basis of the determined regenerative braking power dynamic distribution ratio, of the second information and of the third information; providing (308), by the at least one data processing unit (204), the first regenerative braking torque value and the second regenerative braking torque value to said at least one traction and regenerative braking supply module (203).

公开(公告)号：WO2018100489A1

公开(公告)日：2018-06-07

申请号：PCT/IB2017/057447

申请日：2017-11-28

Applicant: FRENI BREMBO S.P.A.

Inventor： BUTTI, Andrea ,  MANZONI, Corrado ,  DOSSI, Stefano ,  TARANTINI, Alfonso ,  CAPPELLETTI, Luca

IPC: B60T8/17 ,  B60T13/74 ,  B60T13/66

Abstract: A method (200) for controlling a force representative of a parking braking of a vehicle, the vehicle comprising at least one first wheel and a system for controlling the parking braking of the vehicle, the system comprising: a first brake disc operatively associated with said at least one first wheel; a first brake caliper operatively associated with said at least one first brake disc, the first brake caliper being configured to apply a force representative of a parking braking on said first brake disc, the first brake caliper being adapted to receive a hydraulic pressure which can be applied by a first hydraulic actuator that can be operated to apply a first force contribution representative of a service braking of the vehicle on said first brake disc, the first brake caliper comprising a second electromechanical actuator, which can be operated to apply a second force contribution representative of a parking braking of the vehicle on said first brake disc; a data processing unit operatively connected to the first brake caliper. The method (200) comprising the steps of: determining (201), by the data processing unit, a target value of a force representative of a parking braking of the vehicle to be applied, by the first brake caliper, on the first brake disc on the basis of a value of the gradient of the road on which the vehicle is located; determining (203), by the data processing unit, a value of the first force contribution representative of a service braking of the vehicle applied by the first hydraulic actuator on the first brake disc; determining (204), by the data processing unit, a value of the second force contribution representative of the parking braking of the vehicle to be applied, by the second electromechanical actuator, on the first brake disc on the basis of the target value of a force representative of a parking braking of the vehicle which can be applied by the first brake caliper on the first brake disc, and of the determined value of the first force contribution representative of a service braking of the vehicle; operating (205), by the data processing unit, the second electromechanical actuator to apply the determined value of the second force contribution representative of the parking braking of the vehicle on the first brake disc.