Takeuchi Mfg. has patented a working control device for hydraulic working vehicles. The device includes an operation lever and a controller to control the amount of oil delivered to hydraulic actuators. The system adjusts motor revolutions based on lever operations to ensure efficient driving of the vehicle. GlobalData’s report on Takeuchi Mfg. 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 Takeuchi Mfg., Hybrid work machines was a key innovation area identified from patents. Takeuchi Mfg.'s grant share as of March 2024 was 43%. Grant share is based on the ratio of number of grants to total number of patents.
Working control device for hydraulic working vehicle
The granted patent (Publication Number: US11927207B2) discloses a working control device for a working vehicle with a hydraulic working device. The device includes a controller that controls the amount of oil delivered from the working oil supply source, which comprises an electric motor and a hydraulic pump. The controller performs rotation control of the electric motor based on the operation of an operation device, which includes an operation lever for driving the hydraulic actuators. When the operation device is used for single or composite operations, the controller sets the number of motor revolutions accordingly to drive the hydraulic working device efficiently.
Furthermore, the working control device includes features such as setting a necessary minimum number of revolutions, differentiating the number of motor revolutions for single and composite operations, and using working oil supply control valves for selective or composite operation of the hydraulic actuators. The device can be equipped with either a fixed-capacity hydraulic pump or a variable-capacity hydraulic pump. Additionally, when multiple hydraulic actuators are operated together, a predetermined coefficient is used to calculate the total number of motor revolutions required for efficient operation. These features aim to optimize the performance of the hydraulic working device in the working vehicle, ensuring precise control and efficient use of resources.
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