Toyo Engineering has been granted a patent for a heat pump that utilizes a magnetic particle dispersion as a primary working fluid. The system features internal and external heat-absorbing and releasing sections, facilitating efficient heat transfer between external fluids and enhancing thermal management. GlobalData’s report on Toyo Engineering 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 Toyo Engineering, Water gas shift catalysts was a key innovation area identified from patents. Toyo Engineering's grant share as of July 2024 was 42%. Grant share is based on the ratio of number of grants to total number of patents.
Heat pump using magnetic particle dispersion for heat transfer
The granted patent US12055324B2 describes a novel heat pump unit designed to efficiently transfer heat between an external heat-giving fluid and an external heat-receiving fluid. The system utilizes a magnetic particle dispersion as its primary working fluid, which consists of magnetic particles suspended in a dispersion medium. The heat pump features an internal heat-absorbing section that captures heat at lower temperatures and an internal heat-releasing section that expels heat at higher temperatures. The heat transfer process is facilitated by manipulating a magnetic field applied to the primary working fluid, which circulates between these two sections. Additionally, the unit includes an external heat-absorbing section for heat absorption from the external fluid and an external heat-releasing section for heat transfer to the external receiving fluid, all interconnected through a circulation channel.
Further enhancements to the heat pump unit are outlined in the subsequent claims. The design allows for multiple stages of heat pumps to be arranged in series, optimizing the flow direction of the secondary working fluid. Each stage can utilize different magnetic materials tailored to the specific temperature requirements of heat absorption and release. The patent also specifies that a permanent magnet can serve as the source of the magnetic field. Notably, the primary and secondary working fluids can flow through a shared channel during heat exchange, with one fluid being hydrophilic and the other hydrophobic, which may enhance the efficiency of the heat transfer process. This innovative approach aims to improve the overall performance and effectiveness of heat pump systems.
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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.
