Ultra Electronics has patented an overpressure protective device that passively blocks gas flow at a set pressure. The device includes a valve, valve stem, and vacuum-filled bellows that operate based on pressure changes. This innovation ensures safety by blocking high pressures and allowing flow when pressure drops. GlobalData’s report on Ultra Electronics 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 Ultra Electronics, was a key innovation area identified from patents. Ultra Electronics's grant share as of May 2024 was 62%. Grant share is based on the ratio of number of grants to total number of patents.
Overpressure protective device using vacuum-filled bellows to block gas flow
A recently granted patent (Publication Number: US11946550B2) discloses a passive overpressure protective device designed to safeguard against pressure build-up in various systems. The device comprises a valve body with two valve ports connected by an interior passage, a valve that can switch between open and closed conditions, a valve stem linked to the valve, and a vacuum-filled bellows attached to the valve stem. The movement of the bellows in response to ambient pressure changes passively adjusts the valve, preventing overpressure by controlling the flow of pressure between the ports. Additional features include a coupling member for connecting the valve stem and bellows, as well as a friction collar to set the initial position of the valve stem based on a predetermined pressure setpoint.
Furthermore, the patent details a method for implementing passive overpressure protection using the described device. By coupling the device to a pressure line and allowing the bellows to react to ambient pressure shifts, the valve stem is automatically adjusted to switch the valve between open and closed states. This method ensures efficient and automatic pressure regulation without the need for manual intervention. The device can feature different types of valves, such as needle valves or ball valves, providing versatility in its application across various systems requiring overpressure protection. Overall, the patented technology offers a reliable and passive solution for managing overpressure situations in a wide range of industrial and mechanical settings.
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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.
