Xinjiang Goldwind Science & Technology has been granted a patent for a heat exchange system and motor. The system includes a first heat exchange unit with multiple branches connected in parallel, a second heat exchange unit outside the motor, and a closed heat exchange loop. Each branch has a heat exchanger, valve group, and pressure information component for control. GlobalData’s report on Xinjiang Goldwind Science & Technology 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 Xinjiang Goldwind Science & Technology, Ram air turbine was a key innovation area identified from patents. Xinjiang Goldwind Science & Technology's grant share as of September 2023 was 49%. Grant share is based on the ratio of number of grants to total number of patents.
Heat exchange system for cooling motor heat-generating components
A recently granted patent (Publication Number: US11770050B2) describes a heat exchange system for cooling heat-generating components of a motor. The system includes a first heat exchange unit placed within the motor and a second heat exchange unit located outside the motor. These units are connected through a pipeline assembly to form a closed-loop heat exchange circuit. The first heat exchange unit consists of multiple heat exchange branches connected in parallel, each equipped with a heat exchanger, a valve group, and a pressure information component. The opening and closing of the valve group are controlled based on pressure information from the pressure component.
The first heat exchange unit also includes a supply main pipe and a return main pipe, with the heat exchange branches connected to them. The supply and return main pipes are ring-shaped tubes, and the heat exchange branches are evenly distributed along their outer peripheries. The second heat exchange unit comprises multiple parallel heat exchange branches, each equipped with a heat exchanger, a valve group, and a pressure information component. The opening and closing of the valve group are controlled based on pressure information from the pressure component.
The heat exchange system further includes a controller that regulates the opening degree of the valve groups based on flow information from flow transmitters. The system also incorporates temperature transmitters to monitor the temperature of the motor and the environment. The controller adjusts the rotation speeds of fans and pumps based on temperature and wind speed information.
Additionally, the system features a cumulative data processing module that collects rotation speed combination information and corresponding power consumption information from the fans and pump. This data is used to establish a mapping model for different total heat dissipation amounts. The module controls the rotational speeds of the fans and pump to achieve the lowest power consumption based on the current total heat dissipation amount.
The heat exchange system also includes various safety features such as liquid leakage detection devices, gas exhaust devices, and quality detection devices. These devices are connected to the controller to ensure the system operates safely and efficiently.
The patent also mentions that the heat exchange system can be integrated directly into the motor, providing a compact and efficient cooling solution.
Overall, this patented heat exchange system offers a closed-loop cooling solution for motor components, with precise control over heat exchange and energy consumption. The system's design and features aim to enhance cooling efficiency and ensure safe operation.
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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.
