Takeuchi Mfg. has been granted a patent for a working vehicle featuring a drive unit with inverters, AC motors, and hydraulic pumps. The vehicle includes a controller and a battery management system that manages stop control, ensuring residual voltage in the inverters is reduced below a predetermined level when the switch is turned off. GlobalData’s report on Takeuchi Mfg. gives a 360-degree view of the company including its patenting strategy. Buy the report here.
Smarter leaders trust GlobalData
According to GlobalData’s company profile on Takeuchi Mfg., Hybrid work machines was a key innovation area identified from patents. Takeuchi Mfg.'s grant share as of June 2024 was 43%. Grant share is based on the ratio of number of grants to total number of patents.
Working vehicle with controlled ac motor stop functionality
The granted patent US11993917B2 outlines a working vehicle that integrates a sophisticated drive unit comprising inverters, AC motors, and hydraulic pumps, all powered by a battery supplying direct current. The vehicle features a controller that is signal-connected to the inverters and a battery management system, which manages the connection between the battery and inverters through an electromagnetic contactor. A key aspect of the design is a switch that transmits a stop signal to the controller when turned off. This initiates a stop control process, allowing the AC motors to operate for a specified duration to lower the residual voltage in the inverters below a predetermined threshold, ensuring safe operation.
Further claims detail the vehicle's error signaling capabilities. If the controller detects that the residual voltage meets or exceeds the set threshold, it sends a first error signal to a display unit, which then indicates the error. Upon restarting the display unit, a second error signal may be transmitted if the voltage condition persists. Additionally, the vehicle's design allows for dual drive units, each with its own inverter, AC motor, and hydraulic pump. When the switch is turned off, the hydraulic pumps cease to discharge oil to their respective actuators, enhancing operational safety and efficiency. This innovative configuration aims to improve the control and management of power within the vehicle, addressing potential issues related to voltage levels and hydraulic system performance.
To know more about GlobalData’s detailed insights on Takeuchi Mfg., buy the report here.
Data Insights
From
The gold standard of business intelligence.
Blending expert knowledge with cutting-edge technology, GlobalData’s unrivalled proprietary data will enable you to decode what’s happening in your market. You can make better informed decisions and gain a future-proof advantage over your competitors.
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.
