Hyliion’s patented through the road (TTR) hybridization strategy aims to enhance fuel efficiency and performance in trucking fleets. The technology can be retrofitted onto existing vehicles or built into new ones, utilizing electrically-powered drive axles and a battery management system for optimal operation on varying terrains. GlobalData’s report on Hyliion 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 Hyliion, Hydrogen fuel cells was a key innovation area identified from patents. Hyliion's grant share as of February 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.

Hybrid electric vehicle technology for trucks

Source: United States Patent and Trademark Office (USPTO). Credit: Hyliion Holdings Corp

A recently granted patent (Publication Number: US11904697B2) discloses a vehicle with an innovative battery management system (BMS) that can identify upcoming uphill or downhill grades and adjust power distribution accordingly. The vehicle includes an electrically-powered drive axle, an electric motor/generator (M/G) coupled to the axle, and a BMS with one or more batteries. The BMS can selectively provide electrical power to the M/G to assist the vehicle when climbing uphill or receive energy from the M/G during downhill travel to maintain battery charge levels.

The patent also covers a method implemented by the BMS, where it identifies upcoming terrain grades and manages power distribution to the M/G accordingly. This method ensures that the vehicle receives the necessary motive force when climbing uphill and maintains optimal battery charge levels during downhill travel. The BMS can estimate the required torque to keep the vehicle moving at a constant speed by considering various factors like driver input torque, air drag, road drag, road grade, and acceleration torque. Additionally, the patent covers different configurations for the primary drivetrain, including fuel-fed engines running on various fuels like diesel, gasoline, propane, biodiesel, ethanol, compressed natural gas, renewable natural gas, hydrogen, or a combination thereof. The vehicle types mentioned in the patent include trucks or trailers in a truck/trailer configuration.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.