Eiffage has been granted a patent for a fluid control device with a slide valve and a thermomechanical actuator that regulates fluid flow based on temperature. The device includes hysteresis-inducing arrangements for precise control, ensuring the slide valve moves between open and closed positions effectively. GlobalData’s report on Eiffage 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 Eiffage, was a key innovation area identified from patents. Eiffage's grant share as of March 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.
Thermomechanical fluid control device with hysteresis-inducing arrangements
A recently granted patent (Publication Number: US11927973B2) discloses a device designed for flow controlling a fluid. The device comprises a casing defining a chamber through which the fluid flows, a slide valve movable within the chamber between open and closed positions, and a thermomechanical actuator that drives the slide valve based on the temperature of the fluid. The actuator includes a thermostatic element with a piston and a body containing a thermally expandable material. Hysteresis-inducing arrangements integrated with the slide valve and actuator control the movement of the slide valve based on preset temperature thresholds, ensuring efficient fluid flow regulation.
Furthermore, the device includes a control member that allows for adjusting the temperature thresholds by changing the position of the thermomechanical actuator along the axis. The casing, slide valve, actuator, and control member together form a cartridge that can be easily integrated into a fluid system connection housing. The device's mechanical connecting elements, stops, and friction elements work in tandem to provide precise control over the slide valve's movement, ensuring optimal fluid flow regulation within the system. Overall, the patented device offers a sophisticated and efficient solution for fluid flow control applications, with the ability to adjust temperature thresholds and seamlessly integrate into existing systems for enhanced functionality and performance.
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