Energy Recovery. has been granted a patent for a rotary liquid piston compressor designed to facilitate pressure exchange between a liquid and a supercritical fluid. The system features a rotor with channels and barriers to prevent mixing of the two fluids during operation. GlobalData’s report on Energy Recovery 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 Energy Recovery, Oil well fracking was a key innovation area identified from patents. Energy Recovery's grant share as of July 2024 was 47%. Grant share is based on the ratio of number of grants to total number of patents.
Rotary liquid piston compressor for liquid-supercritical fluid pressure exchange
The patent US12012974B2 describes a rotary liquid piston compressor designed to facilitate pressure exchange between a liquid and a supercritical fluid. Central to this system is a rotor that features multiple channels extending through it, allowing for the efficient transfer of pressure. The design incorporates a series of barriers, which can be plane or foldable diaphragms, strategically placed within the rotor to prevent the mixing of the two fluids. These barriers are coupled to a plate that connects to the rotor, ensuring structural integrity and functionality. The system also includes provisions for thermal management, which may involve conduits, cooling systems, or electric coils to regulate temperature and prevent phase changes in the supercritical fluid.
Additionally, the patent outlines the operational mechanics of the rotary liquid piston compressor, detailing how the foldable diaphragms function within the channels. As the first fluid enters a channel, it expands the corresponding diaphragm, thereby driving out a portion of the second fluid and pressurizing it. Conversely, when the second fluid enters another channel, the diaphragm compresses, preparing for the next cycle of pressure exchange. The claims emphasize the versatility of the system, allowing for various configurations of fluids, including scenarios where either the liquid or the supercritical fluid can be the first or second fluid. Overall, the invention presents a novel approach to fluid compression and thermal management in rotary 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.
