Garrett Motion has been granted a patent for a multi-stage charging device that includes a shaft supporting a first and second compressor wheel fixed on it, along with a turbine wheel. The device is designed for efficient heat transfer and rotation, enhancing performance in various applications. GlobalData’s report on Garrett Motion 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 Garrett Motion, Photovoltaic drones was a key innovation area identified from patents. Garrett Motion's grant share as of February 2024 was 78%. Grant share is based on the ratio of number of grants to total number of patents.
Patent granted for multi-stage charging device with one-piece wheel
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A multi-stage charging device for a fuel cell system has been granted a patent (Publication Number: US11927193B2). The device comprises a shaft supported for rotation about an axis, a first compressor stage with a first compressor wheel and housing, a second compressor stage, and a turbine section. The device includes a plural wheel member made of a thermally conductive material that couples the second compressor stage and the turbine section to absorb heat. An air bearing system supports the rotation of the components. The device is designed to compress an inlet fluid stream and direct it towards the fuel cell stack, with the turbine wheel being driven by exhaust from the fuel cell stack to assist a motor.
The patented charging device also includes features such as an interstage duct for directing flow between compressor wheels, a divider plate separating the compressor stages and turbine section, and an inlet spacer for redirecting the compressed fluid stream. The design allows for efficient compression of the fluid stream and utilization of exhaust energy from the fuel cell stack. The unitary construction of the plural wheel member ensures effective thermal coupling between components, enhancing the overall performance of the fuel cell system. The patent covers a fuel cell system incorporating this multi-stage charging device, providing a comprehensive solution for efficient energy conversion in fuel cell applications.
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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.
