Hyzon Motors has been granted a patent for a modular boost converter that efficiently utilizes a fuel cell, capacitor, battery, and motor. The converter includes multiple modules with a boost system, allowing it to draw energy from the fuel cell and capacitor. This technology enables effective energy transfer for the motor. GlobalData’s report on Hyzon Motors gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on Hyzon Motors, hydrogen fuel cells was a key innovation area identified from patents. Hyzon Motors's grant share as of June 2023 was 1%. Grant share is based on the ratio of number of grants to total number of patents.
Modular boost converter and capacitor assembly
A recently granted patent (Publication Number: US11679684B2) describes a modular boost converter and capacitor assembly for energy transfer in a system that includes a fuel cell, a capacitor, a battery, and a motor. The assembly includes a single modular boost converter that can selectively transfer energy between the fuel cell, capacitor, and motor.
The modular boost converter is designed to direct energy transfer from both the fuel cell and the capacitor to the motor. It includes multiple modules that can direct energy transfer, either to each module interchangeably or to a minority of the modules. Each module is equipped with a direct current to direct current converter. In one embodiment, the assembly includes three modules.
The modular boost converter is configured for bi-directional energy transfer, allowing energy to flow in both directions between the fuel cell, capacitor, and motor. The battery in the assembly has a voltage capacity that is substantially similar to the voltage range of the motor, while the capacitor has a maximum voltage capacity lower than the minimum voltage capacity of the motor.
The patent also describes a method for transferring energy using the modular boost converter and capacitor assembly. The method involves providing the assembly and performing energy transfer or energy restoration. Energy transfer can be bypassed through the modular boost converter if desired. The method also includes transferring energy from the capacitor through the modules of the modular boost converter, either to all the modules or to a portion of the modules while transferring energy from the fuel cell through the remaining modules.
The energy transferred from the motor can be converted to rotational energy, which can be stored as potential energy in both the capacitor and the battery, or just in the capacitor, or just in the battery.
Overall, this patent describes a modular boost converter and capacitor assembly that allows for efficient energy transfer in a system with a fuel cell, capacitor, battery, and motor. The assembly's design and method provide flexibility in directing energy transfer and optimizing energy storage.
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