Harley-Davidson. has filed a patent for systems and methods to detect a brake event in a vehicle. The system includes an electronic control unit that estimates wheel torque, compares it to engine torque, and activates the brake light if a fault is detected in the brake switch. GlobalData’s report on Harley-Davidson gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Harley-Davidson, Direct injection type engines was a key innovation area identified from patents. Harley-Davidson's grant share as of January 2024 was 72%. Grant share is based on the ratio of number of grants to total number of patents.
System for activating brake light based on wheel torque difference
A newly filed patent (Publication Number: US20240010121A1) describes a system for detecting a brake event in a vehicle. The system includes an electronic control unit that receives various vehicle signal inputs, such as engine torque, to estimate the wheel torque of a rear wheel. By calculating the wheel slip between the rear and front wheels, the system can determine the difference between the estimated wheel torque and engine torque. If this difference is negative and a fault is detected in the brake switch associated with the rear wheel brake, the system activates the vehicle's brake light.
Furthermore, the patent outlines a method for detecting a brake event in a vehicle, involving similar steps as the system, including estimating wheel torque, calculating wheel slip, and determining the difference between estimated wheel torque and engine torque. The method also includes detecting faults in the brake switch and activating the brake light based on specific conditions. Additionally, a non-transitory computer-readable medium is described, storing instructions for executing functions related to receiving vehicle signal inputs, estimating wheel torque, and activating the brake light in response to specific conditions and fault detection in the brake switch. This patent aims to enhance brake event detection in vehicles through a systematic approach involving advanced calculations and fault detection mechanisms.
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