Vertiv Holdings patented a cooling system with a two-stage compressor and variable speed fan, modulating cooling capacity based on demand. The system adjusts fan speed and compressor state to optimize efficiency. The patent aims to enhance cooling system performance and energy efficiency. GlobalData’s report on Vertiv Holdings 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 Vertiv Holdings, Smart climate control systems was a key innovation area identified from patents. Vertiv Holdings's grant share as of February 2024 was 66%. Grant share is based on the ratio of number of grants to total number of patents.
Variable speed cooling system with two-stage compressor
A recently granted patent (Publication Number: US11925006B2) discloses a computer-readable medium and a variable capacity cooling system designed to modulate the cooling capacity of a cooling system with a two-stage compressor and a variable speed fan. The system operates by running the compressor in a loaded state and the fan at maximum speed (Fmax) when 100% system cooling capacity is required. As the cooling demand decreases, the fan speed is gradually reduced towards a lesser speed (F1) to maintain optimal cooling efficiency. The system then transitions to running the compressor in an unloaded state and increasing the fan speed back to Fmax when the cooling demand reaches a specific threshold (CFC1).
Furthermore, the patent includes instructions for the system to adjust the fan speed to a minimum speed (Fmin) as the cooling demand decreases further, ensuring efficient cooling operation at all levels of demand. The system is designed to maintain a constant rate of decrease in system cooling capacity from maximum to minimum levels, with specific thresholds for fan speed and cooling capacity defined to optimize performance. The control circuitry of the system allows for continuous adjustment of fan speed between F1 and Fmax based on the cooling demand, ensuring precise modulation of cooling capacity. Overall, the patented technology offers a sophisticated approach to cooling system operation, enhancing energy efficiency and performance in various cooling 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.
