Electro-hydraulic propulsion system combined power module
Number of patents in Portfolio can not be more than 2000
United States of America
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Apr 1, 2025
Grant Date -
Jan 19, 2023
app pub date -
Dec 23, 2020
filing date -
Dec 23, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A vehicle drive system, comprises a battery, a power unit in a housing, which itself comprises at least one electric motor/generator, capable of being driven as a motor by the battery or of charging the battery as a generator, at least one hydraulic motor/pump, capable of being driven by the electric motor/generator to pressurize hydraulic fluid, or of being driven by pressurized hydraulic fluid to power the motor generator as a generator, a hydraulic rail communicating the pump, a directional control valves communicating with the hydraulic rail, at least one accumulator for storing pressurized hydraulic fluid, wheel drives capable of being driven by pressurized hydraulic fluid, a hydraulic circuit connecting the directional control valves of the motor housing to the accumulator and wheel drives, and a control system for controlling the operation of the battery, power unit and wheel drives.
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