18679592. ELECTRIC WORK VEHICLE simplified abstract (KUBOTA CORPORATION)
Contents
ELECTRIC WORK VEHICLE
Organization Name
Inventor(s)
Shunya Takase of Sakai-shi (JP)
Yukifumi Yamanaka of Sakai-shi (JP)
Kazuto Okazaki of Sakai-shi (JP)
ELECTRIC WORK VEHICLE - A simplified explanation of the abstract
This abstract first appeared for US patent application 18679592 titled 'ELECTRIC WORK VEHICLE
Simplified Explanation: The patent application describes an electric work vehicle with a unique control system that adjusts the motor's current flow based on rotational speed information and required speed, ultimately improving efficiency and safety.
Key Features and Innovation:
- Battery-powered electric work vehicle
- Inverter converts DC power from the battery to AC power for the motor
- Motor drives a travel device
- Rotational speed detector provides motor speed information
- Controller adjusts current flow based on speed data and required speed
- Safety feature stops motor if load exceeds preset limit
Potential Applications: This technology can be applied in various electric work vehicles, such as forklifts, warehouse robots, and industrial machinery, to enhance performance and safety.
Problems Solved: This innovation addresses the challenge of optimizing motor performance in electric work vehicles while ensuring safe operation under varying load conditions.
Benefits:
- Improved efficiency and performance
- Enhanced safety features
- Customizable speed control for different tasks
- Prevents motor damage from excessive loads
Commercial Applications: The technology can revolutionize the electric work vehicle industry by offering more efficient and safer solutions for various industrial and commercial applications.
Questions about Electric Work Vehicles: 1. How does the rotational speed detector improve the performance of the motor? 2. What are the potential cost savings associated with using this innovative control system in electric work vehicles?
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Original Abstract Submitted
An electric work vehicle includes a battery in a machine body, an inverter to convert DC power output from the battery to AC power, a motor drivable by the AC power converted by the inverter, a rotational speed detector to obtain rotational speed information indicative of a rotational speed of the motor, a travel device drivable by the motor, an operator to change a required rotational speed required for the motor, and a controller configured or programmed to control a current flowing through the motor by operating the inverter in accordance with the rotational speed information and the required rotational speed. When a load applied to the motor is higher than a load set in advance, the controller is configured or programmed to stop driving the motor irrespective of the required rotational speed.
