Ormat Technologies has patented a geothermal district heating system that efficiently raises the temperature of DH-usable water without the need for supplemental fossil fuel waste heat. The system includes heat exchangers, a fluid circuit, and conduits for delivering the heated water to consumers, showcasing innovative energy transfer technology. GlobalData’s report on Ormat Technologies 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 Ormat Technologies, Demand response systems was a key innovation area identified from patents. Ormat Technologies's grant share as of March 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.
Geothermal district heating system without fossil fuel waste heat
A geothermal district heating system has been granted a patent, US11905856B2, which includes a plurality of DH conduits extending to heat consumers, a fluid circuit for geothermal fluid flow, and at least two heat exchangers to transfer heat to DH-usable water without the need for supplemental fossil fuel waste heat. The system utilizes an Organic Rankine Cycle (ORC) power plant with vaporizers and water-water heat exchangers to efficiently raise the temperature of the DH-usable water and additional water to a predetermined usable temperature.
Furthermore, the patent also covers a geothermal cogeneration system with a power-producing section for generating power through an ORC turbine and a heat-producing section for heating liquid in heat exchangers. The system includes recuperators, high-pressure and low-pressure turbines, and condensers to optimize power production and heat transfer. The heat depleted geothermal fluid is reinjected into an injection well, and the heat-producing section is integrated with a district heating system to provide heat to consumers. The system ensures efficient heat transfer and power generation without the need for supplemental fossil fuel waste heat, making it a sustainable and cost-effective solution for geothermal energy utilization.
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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.
