Aisin has patented a device for power transmission in hybrid vehicles, featuring a P2 module with a torque converter, electric motor, connect/disconnect clutch, and one-way clutch. The innovative design enhances efficiency and performance. GlobalData’s report on Aisin 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 Aisin, Hybrid powertrains was a key innovation area identified from patents. Aisin's grant share as of February 2024 was 47%. Grant share is based on the ratio of number of grants to total number of patents.

Hybrid motor vehicle power transmission device

Source: United States Patent and Trademark Office (USPTO). Credit: Aisin Corp

A recently granted patent (Publication Number: US11919401B2) discloses a device for power transmission within a motor vehicle equipped with a combustion engine and a transmission. The device includes a torque converter with a rotatable shell and an output member connected to the transmission's input member. An electric motor, featuring a stator and rotor fixed to the torque converter's shell, is also part of the device. Additionally, a connect/disconnect clutch with movable clutch members and a one-way clutch for torque transfer are integrated into the system. The one-way clutch can switch between locked up and overrunning configurations, facilitating efficient power transmission.

Furthermore, the patent details a method for operating a hybrid powertrain in a motor vehicle with a combustion engine and transmission. The method involves utilizing a P2 module comprising a torque converter, electric motor, connect/disconnect clutch, and one-way clutch. The P2 module can operate in various modes, including transferring torque solely from the electric motor or engine, a combination of both, or even outputting voltage and current from the electric motor. This innovative approach allows for versatile power distribution within the vehicle, optimizing performance and efficiency based on driving conditions.

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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.