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Device for detecting residual braking torque in vehicles equipped with disc brakes

A disc brake and braking torque technology, applied in the field of residual braking torque devices, can solve the problem of inability to distinguish between two brake pads

Active Publication Date: 2021-10-08
ITT ITAL SRL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] However, said sensor only measures the total clearance (i.e. the sum of the clearances of the two brake pads) within the entire caliper and their distance from the disc
[0011] These known sensors are only available for truck-based applications and cannot actually differentiate between two brake pads; they only measure geometric distance and do not make an actual measurement of remaining running resistance

Method used

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  • Device for detecting residual braking torque in vehicles equipped with disc brakes
  • Device for detecting residual braking torque in vehicles equipped with disc brakes
  • Device for detecting residual braking torque in vehicles equipped with disc brakes

Examples

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Embodiment Construction

[0034] Referring to the above drawings, the device and method for detecting the residual braking torque of a vehicle (generally denoted by 1) includes at least one brake master cylinder 4 and a pressure pump 5 for hydraulic oil or air or a pressure pump for distribution system Hydraulic oil or pneumatic air based systems for dynamic pressure.

[0035] Preferably, but without limitation, reference will be made to a motor vehicle equipped with a braking system (typically with an integrated ABS system) and thus with at least one control unit 2 for managing the ABS system, possibly integrated with the ASR and ESP systems . On each wheel 9 of a vehicle equipped with ABS, a brake system with ABS usually has a solenoid valve, a distributor and an oil or air line, a tone wheel 50 and a tachometer sensor 51 .

[0036] In the following we shall consider the application of the invention to a motor vehicle equipped with an ABS braking system, since the same characteristics and statements...

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Abstract

A device for detecting residual braking torque in a vehicle equipped with disc brakes, said device comprising at least one pressure element integrated into a friction material support of a brake assembly for each wheel of said vehicle An electroceramic sensor, said piezoceramic sensor is connected by means of an electric circuit to at least one electronic control unit, said electronic control unit being dedicated to acquiring and managing by said piezoceramic sensor directly from said brake assembly friction material by means of management means The detected signal, said signal management means comprising at least one torque-residual indicator interacting with at least one service interface of at least one on-board vehicle computer via at least one dedicated communication system.

Description

technical field [0001] The invention relates to a device for detecting a residual braking torque in a vehicle equipped with disc brakes. Background technique [0002] As is well known, residual braking torque is a braking torque of very limited value that exists in a vehicle when the vehicle is not braked due to unintentional interactions between brake pads and disc. [0003] This is actually quite common and is due to a faulty brake caliper, leaving residual contact between the disc and pad after braking. [0004] The duration of this contact state is small, but it maintains a nearly constant level of residual braking torque, which can significantly affect fuel consumption and brake pad wear over a long period of time. [0005] About CO 2 The new emissions regulation EU6 715 / 2007 / EC sets stricter limits on emissions themselves, forcing motor vehicle manufacturers not to overlook innovative solutions aimed at reducing emissions. [0006] In this context, the ability to co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T17/22F16D66/00
CPCB60T17/221B60T2201/12F16D2066/005F16D65/08F16D66/021G01L3/22F16D2066/006F16D2066/001F16D2121/28B60T17/22
Inventor 马蒂亚·索拉里马尔科·泰拉诺瓦
Owner ITT ITAL SRL
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