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1. 发明申请

WO2023011783A1 SENSOR-EQUIPPED BRAKE PAD WITH PRINTED CIRCUIT BOARD WITH STIFFENING MEANS 审中-公开
公开(公告)号：WO2023011783A1
公开(公告)日：2023-02-09
申请号：PCT/EP2022/065871
申请日：2022-06-10
申请人： ITT ITALIA S.R.L.
发明人： TERRANOVA, Marco , SERRA, Stefano , MILANI, Gianmaria , ZANGARI, Cesare
IPC分类号： F16D66/00
摘要： A sensor-equipped brake pad (1) for the braking system of a motor vehicle, comprising a printed circuit board (200), a rear support plate (100) having a recess (110) in which the printed circuit board (200) is fixed, at least one force sensor (201) mounted on the printed circuit board (200), a block of friction material (300) mounted on the rear plate (100), wherein the printed circuit board (200) is interposed between the rear plate (100) and the block of friction material (300), and wherein structural stiffening means (260) for the printed circuit board (200) are provided.

2. 发明申请

WO2023011785A1 SENSORIZED BRAKING DEVICE FOR A VEHICLE, A PIEZOELECTRIC SHEAR FORCE DETECTING SENSOR, AND A SHEAR FORCE DETECTING METHOD 审中-公开
公开(公告)号：WO2023011785A1
公开(公告)日：2023-02-09
申请号：PCT/EP2022/066020
申请日：2022-06-13
申请人： ITT ITALIA S.R.L.
发明人： TERRANOVA, Marco , SERRA, Stefano , MILANI, Gianmaria , ZANGARI, Cesare
IPC分类号： G01L1/16 , F16D65/092 , F16D66/02 , H01L41/113 , F16D66/00
摘要： The sensorized braking device (1) for a vehicle, comprising at least one piezoelectric sensor (2) for measuring shear force, an electrical circuit (12) configured to collect signals from the sensor (2), wherein the sensor (2) comprises a piezoelectric material (3), a first and at least a second readout electrode (6, 7), wherein the piezoelectric material (3) comprises a first flat face (4) and a second flat face (5) facing the first flat face (4), the first and second flat faces (4, 5) extending in parallel planes identified by two orthogonal directions y and z, wherein the piezoelectric material (3) is polarized in the z direction, wherein the first electrode (6) is positioned on the first face (4) and the second electrode (7) is positioned on the second face (5) and has at least one extension (7a, 7b) on the first face (4) separated from the first electrode (6), and wherein the extension (7a, 7b) of the second electrode (7) is arranged symmetrically with respect to the y- and z-axes.

3. 发明申请

WO2017148842A1 DEVICE AND METHOD FOR IMPROVING THE PERFORMANCE OF AN ANTILOCK BRAKING AND ANTI-SLIP REGULATION OF A VEHICLE 审中-公开
标题翻译：改善车辆的反气旋制动和防滑性能的装置和方法
公开(公告)号：WO2017148842A1
公开(公告)日：2017-09-08
申请号：PCT/EP2017/054455
申请日：2017-02-27
申请人： ITT ITALIA S.R.L.
发明人： SERRA, Stefano , MARTINOTTO, Luca , DONZELLI, Daniele , TERRANOVA, Marco
IPC分类号： B60T8/171 , B60T8/1761 , B60T8/172
CPC分类号： B60T8/52 , B60T8/171 , B60T8/172 , B60T8/17616 , B60T8/17636 , B60T2210/124 , F16D65/092 , F16D66/00 , F16D2066/005
摘要： Device for improving the performance of an antilock braking (ABS) and/or anti-slip regulation (ASR) and/or electronic stability control (ESC) system of a vehicle comprising at least a fluid-dynamic system for controlling the braking pressure composed of at least one standard ABS management control unit and a brake-servo unit and a fluid pressure pump, solenoid valves connected to pipes for oil or air and at least phonic wheels and tachometer sensors respectively present one for each wheel of the vehicle, the device comprises additional intelligent sensors associated with at least one of the braking pads acting upon the braking disk of each wheel in order to collect additional data and at least one dedicated ECU control unit for managing said additional data and interacting with at least said ABS control unit. The method consists in detecting, by means of the pad and the dedicated control unit, the actual value of the tire-ground coefficient of friction that is constantly updated during braking using the braking torque data derived from the braking pad in order to adjust the braking pressure profile to the value of the actual coefficient of friction present between the tire and the ground during the braking of the vehicle.
摘要翻译：用于改善车辆的防抱死制动（ABS）和/或防滑调节（ASR）和/或电子稳定性控制（ESC）系统的性能的装置，其包括至少流体动力学用于控制由至少一个标准ABS管理控制单元和制动伺服单元和流体压力泵组成的制动压力的系统，连接到用于油或空气的管道的电磁阀以及至少分别针对每个管道的音轮和转速传感器该装置包括与作用在每个车轮的制动盘上的制动垫中的至少一个相关联的额外的智能传感器，以便收集附加数据以及至少一个专用ECU控制单元，用于管理所述附加数据并与至少是所述ABS控制单元。该方法包括借助于垫和专用控制单元检测在制动期间不断更新的轮胎 - 地面摩擦系数的实际值，其使用从制动垫获得的制动转矩数据来调节制动压力分布与在车辆制动期间轮胎与地面之间存在的实际摩擦系数的值

4. 发明申请

WO2022189479A1 METHOD OF ESTIMATING WEAR OF A VEHICLE BRAKE ELEMENT 审中-公开
公开(公告)号：WO2022189479A1
公开(公告)日：2022-09-15
申请号：PCT/EP2022/055980
申请日：2022-03-09
申请人： ITT ITALIA S.R.L.
发明人： MACCHI, Pietro Roberto , SERRA, Stefano , TERRANOVA, Marco , VIGNOLO, Umberto
IPC分类号： F16D66/02
摘要： A method of estimating wear of a vehicle brake element including at least a braking disk (10), a wearable block of friction material (20) and a support back plate (40) of the block of friction material (20), comprising at least: -providing a temperature sensor (100) configured and placed to sense the temperature of the support back plate (40) -providing an Electronic Processing Unit (200) connected to the temperature sensor (100); -providing an acquisition of the sensed temperature of the support back plate (40), a generation of a temperature signal of the sensed temperature and a transmission of the temperature signals to the Electronic Processing Unit (200); -and the Electronic Processing Unit (200) providing an estimation (500) of the thickness of the wearable block of friction material (20) by processing of the temperature signals.

5. 发明申请

WO2022083974A1 A VEHICLE ELECTRONIC SYSTEM INCLUDING A PARKING BRAKE EQUIPMENT 审中-公开
公开(公告)号：WO2022083974A1
公开(公告)日：2022-04-28
申请号：PCT/EP2021/076455
申请日：2021-09-27
申请人： ITT ITALIA S.R.L.
发明人： MACCHI, Pietro Roberto , SERRA, Stefano , TERRANOVA, Marco , VIGNOLO, Umberto
IPC分类号： B60T7/04 , B60T7/10 , B60T7/12 , B60T8/171 , B60T8/172 , B60T8/1755 , B60T8/72 , B60T13/66 , B60T13/74 , F16D66/00
摘要： A vehicle electronic system including a parking brake equipment, comprising a brake element (2) including either a brake pad or a brake shoe, said brake element (2) including an electrical circuit equipped with one or more sensors (3, 4, 5) for real-time detection of signals relating to temperatures and/or to normal forces and/or to shear forces and having electrical terminals arranged in a zone for collecting the signals from the brake element, said vehicle electronic parking brake system further comprising an actuator (8) of the brake element (2), a controller (7) delivering a braking force command to the actuator (8), and regulating means (9, 10) driving the controller (7), wherein the regulating means (9, 10) include a closed regulating loop of the braking force including a reference braking force generator (10), said closed regulating loop of the braking force being communicating with said sensors (3, 4, 5) to acquire at least one of temperatures and/or normal forces and/or shear forces measurements.

6. 发明申请

WO2022248114A1 A METHOD AND A DEVICE FOR ESTIMATING RESIDUAL TORQUE BETWEEN THE BRAKED AND BRAKING ELEMENTS OF A VEHICLE 审中-公开
公开(公告)号：WO2022248114A1
公开(公告)日：2022-12-01
申请号：PCT/EP2022/059702
申请日：2022-04-12
申请人： ITT ITALIA S.R.L.
发明人： MACCHI, Pietro Roberto , VIGNOLO, Umberto , TERRANOVA, Marco , SERRA, Stefano
IPC分类号： B60T17/22 , B60T17/00
摘要： A method for estimating the residual torque between the braked and braking elements of a vehicle that is characterized by the following phases: acquisition of the temperature value of said braking element; determination of whether said brake is activated when the temperature value is acquired; acceptance of the acquired temperature value if said brake is not activated at said acquisition time; if the acquired temperature value is accepted, automatically calculating a reference temperature using input from an N-dimensional calculation model with an N-dimensional vector of input variables; where said N-dimensional vector of variables includes at least the acquired temperature of said braking element; where said N-dimensional calculation model is an analytical or experimental characterization of the thermal behavior of the brake; estimating residual torque by comparing the accepted acquired temperature to the calculated reference temperature.

7. 发明申请

WO2021244877A1 FORCE SENSING DEVICE, VEHICLE BRAKING DEVICE INCORPORATING SUCH A FORCE SENSING DEVICE, AND METHOD OF PRODUCTION THEREOF 审中-公开
公开(公告)号：WO2021244877A1
公开(公告)日：2021-12-09
申请号：PCT/EP2021/063634
申请日：2021-05-21
申请人： ITT ITALIA S.R.L.
发明人： SERRA, Stefano , VIGNOLO, Umberto , TERRANOVA, Marco
IPC分类号： F16D65/092 , F16D66/02 , G01L1/16 , H01L41/187 , H01L41/317 , F16D2066/001 , F16D2066/005 , F16D66/027 , H01L41/047 , H01L41/1132 , H01L41/257
摘要： The force sensing device (1) comprising: a sheet (2) of piezoelectric; at least a first and a second interdigitated electrodes (5, 50) located on a first main face (3) and at least a third and fourth interdigitated electrodes (6, 60) located on a second main face (4) of the sheet (2), the first and third electrodes (5, 6) being aligned to each other along a normal stress direction (N ), the second and fourth electrodes (50, 60) being aligned to each other along the normal stress direction (N ); the piezoelectric material comprising first portions (100) facing the first and third electrodes (5, 6) interposed with second portions (101) facing the second and fourth electrodes (50, 60), the first portions (100) having bulk electric polarization with vector field (E ) mostly oriented in alignment with the normal stress direction (N), the second portions (101) having bulk electric polarization with vector field (E) mostly oriented transversally to the normal stress direction (N).

8. 发明申请

WO2021244874A1 VEHICLE BRAKE PAD AND METHOD OF PRODUCTION THEREOF 审中-公开
公开(公告)号：WO2021244874A1
公开(公告)日：2021-12-09
申请号：PCT/EP2021/063614
申请日：2021-05-21
申请人： ITT ITALIA S.R.L.
发明人： SERRA, Stefano , VIGNOLO, Umberto , TERRANOVA, Marco
IPC分类号： F16D65/092 , G01L1/16 , F16D2066/001 , F16D2066/005 , F16D66/027 , G01L5/167 , G01L5/28 , H01L41/047 , H01L41/1132 , H01L41/257
摘要： A vehicle brake pad (100) comprising: a support plate (21); a friction pad (20); at least a shear force sensing device; and an electrical circuit configured to collect signals from the shear force sensing device (1); wherein the shear force sensing device (1) comprises: a sheet (2) of piezoelectric material having a first and a second main faces (3, 4) parallel to each other identifying a shear stress direction (S); at least a first digitated reading electrode (5) located on the first main face (3); at least a second digitated reading electrode (6) located on the second main face (4), the first and second reading electrodes (5, 6) having digits (5a, 6a) aligned along a reading direction (R) orthogonal to the stress shear direction (S); at least a first digitated polarizing electrode (7) located on the first main face (3) and interdigitated with the first digitated reading electrode (5); and at least a second digitated polarizing electrode (8) located on the second main face (4) and interdigitated with the second digitated reading electrode (6); and wherein the piezoelectric material has a bulk electric polarization with vector field (E) transversally oriented to the reading direction (R), each pair of aligned digits (5a, 6a) of the first and second reading electrodes (5, 6) enclosing a respective zone (2a) of the piezoelectric material having the vector field (E) most tangentially oriented to the shear stress direction (S).

9. 发明申请

WO2017046265A1 BRAKING DEVICE FOR A HEAVY VEHICLE AND A METHOD FOR PREVENTING OVERHEATING OF THE BRAKES OF A HEAVY VEHICLE 审中-公开
标题翻译：用于重型车辆的制动装置和用于防止重型车辆制动器过热的方法
公开(公告)号：WO2017046265A1
公开(公告)日：2017-03-23
申请号：PCT/EP2016/071865
申请日：2016-09-15
申请人： ITT ITALIA S.R.L.
发明人： SERRA, Stefano , DONZELLI, Daniele , SOLARI, Mattia , TERRANOVA, Marco
IPC分类号： F16D65/08 , F16D65/092 , G01L5/28 , G01L1/16
CPC分类号： F16D66/00 , F16D55/225 , F16D55/226 , F16D65/0006 , F16D65/092 , F16D65/183 , F16D66/021 , F16D2066/001 , F16D2066/005 , F16D2066/006 , G01L5/28
摘要： The braking device (1) for a heavy vehicle, comprising brakes, each comprising at least a brake pad (2) or brake shoe exhibiting a support (3) and a friction block (4) acting on a brake disc or brake drum associated to a wheel of the heavy vehicle, at least one temperature sensor (5) provided between the friction block (4) and the support (3), and a safety device for preventing overheating of the brakes, the safety device comprising emitting means (10) of an alarm and control means (11, 12) communicating with the sensor (5) and with the emitting means (10), the control means (11, 12) comprising a memory (14) containing at least a first threshold temperature, and a comparator (14) configured to validate the emission of the alarm if the temperature detected in at least a brake pad (2) or brake shoe is greater than the first threshold temperature and if the temperature detected in at least another brake pad (2) or brake shoe is lower than the first threshold temperature.
摘要翻译：一种用于重型车辆的制动装置（1），包括制动器，每个制动器至少包括制动片（2）或表现出支撑件（3）的制动蹄以及作用在制动盘或制动鼓上的摩擦块（4）所述重型车辆的车轮，设置在所述摩擦块（4）和所述支撑件（3）之间的至少一个温度传感器（5）和用于防止所述制动器过热的安全装置，所述安全装置包括发射装置（10）与传感器（5）和发射装置（10）通信的报警和控制装置（11,12），包括至少包含第一阈值温度的存储器（14）的控制装置（11,12）和如果在至少一个制动衬块（2）或制动蹄片中检测到的温度大于第一阈值温度，并且如果在至少另一个制动衬块（2）中检测到的温度，则比较器（14）被配置为验证警报器的发射，或制动蹄低于第一临界温度。

10. 发明申请

WO2017046262A1 DEVICE FOR ANALYZING AND MANAGING DATA GENERATED BY A SENSOR-EQUIPPED BRAKING SYSTEM FOR VEHICLES 审中-公开
标题翻译：用于分析和管理由传感器装备的车辆制动系统产生的数据的装置
公开(公告)号：WO2017046262A1
公开(公告)日：2017-03-23
申请号：PCT/EP2016/071859
申请日：2016-09-15
申请人： ITT ITALIA S.R.L.
发明人： SERRA, Stefano , DONZELLI, Daniele , TERRANOVA, Marco , SOLARI, Mattia , MARTINOTTO, Luca
IPC分类号： B60T8/88 , B60T17/22 , F16D65/08
CPC分类号： F16D66/00 , B60T8/885 , B60T17/22 , B60T2270/406 , F16D55/225 , F16D66/021 , F16D66/028 , F16D2066/001 , F16D2066/003 , F16D2066/005 , F16D2066/006 , G01L1/16 , G01L5/28
摘要： The device for analyzing and managing data generated by a sensor-equipped braking system for vehicles, comprising a support element (1) a block of friction material (2), sensor means interposed between the block of friction material (2) and the support element (1), comprising at least one central control unit (5) capable of receiving in real time from the sensor means at least the basic data related to the pressure of the activated braking system, the temperature of the activated braking system, the braking torque and/or the residual braking torque when the braking system is deactivated and the wear on the braking system during and after activation thereof.
摘要翻译：用于分析和管理由传感器配备的车辆制动系统产生的数据的装置，包括支撑元件（1）摩擦材料块（2），介于所述摩擦材料块（2）和所述支撑元件（1），包括至少一个能够从传感器装置实时接收与激活的制动系统的压力相关的基本数据，激活的制动系统的温度，制动转矩的中央控制单元（5）和/或当制动系统停用时的剩余制动转矩以及在其制动过程中和之后的制动系统上的磨损。

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