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 for geothermal fluid, and conduits for delivering the heated water to consumers. 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 February 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 (DH) system has been granted a patent (Publication Number: US11905856B2) that includes a plurality of DH conduits, a fluid circuit for geothermal fluid, 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 heat exchangers to efficiently raise the temperature of the DH-usable water and additional DH-usable water to a predetermined usable temperature. The system also includes means for delivering the additional DH-usable water through the DH conduits, ensuring efficient distribution to heat consumers.
Furthermore, the patent also covers a geothermal cogeneration system that includes a power-producing section with an ORC for power generation and a heat-producing section for heating a liquid in heat exchangers using geothermal fluid. The system is designed to efficiently produce power and heat without the need for supplemental fossil fuels. The patent details the configuration of the power-producing section with high-pressure and low-pressure turbines, as well as the heat exchange process with the geothermal fluid circuit. Additionally, the system includes a heat exchanger to condense the organic motive fluid and a recuperator to further heat the organic fluid using geothermal fluid, ensuring optimal efficiency in power and heat production.
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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.
