Accton Technology has filed a patent for a server device that includes a chassis, fan modules, and a controller. The fan modules can be easily installed in the chassis. The controller is designed to temporarily reduce the fan speed when a fan module is inserted and then restore it to the target speed after a specific time. GlobalData’s report on Accton Technology 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 Accton Technology, V2V communication antennas was a key innovation area identified from patents. Accton Technology's grant share as of September 2023 was 74%. Grant share is based on the ratio of number of grants to total number of patents.
Server device with fan modules that adjust speed during insertion
A recently filed patent (Publication Number: US20230320041A1) describes a server device with improved fan control capabilities. The server device includes a chassis and multiple fan modules that can be easily installed and replaced. The device also features a controller that can adjust the fan speed based on certain events and conditions.
According to the patent claims, when a fan module is inserted into the chassis, the controller reduces the fan speed of each module from a target speed to a first temporary speed. After a predetermined time elapses, the fan speed is then increased back to the target speed. This allows for a smooth transition when inserting new fan modules into the server device.
If any of the fan modules are detected to be running abnormally after the fan speed has been increased to the target speed, the controller further reduces the fan speed of all modules from the target speed to a second temporary speed. After another predetermined time elapses, the fan speed is increased back to the target speed. Importantly, the second temporary speed is lower than the first temporary speed.
The patent also mentions that the second predetermined time, during which the fan speed remains at the second temporary speed, is longer than the first predetermined time. This ensures that any abnormalities in the fan modules have sufficient time to be detected and addressed.
The first temporary speed is defined as being less than or equal to 50 percent of the target speed. This allows for a significant reduction in fan speed during the initial transition period.
The server device described in the patent includes a chassis with multiple fan slots to accommodate the fan modules. The controller can determine a system abnormal condition if any of the fan modules continue to run abnormally after a maximum number of decelerating operations.
The fan modules themselves are equipped with three-phase brushless direct current (BLDC) fans and three-phase motor driving chips for rotation.
The controller in the server device can be a complex programmable logic device (CPLD), a field programmable gate array (FPGA), application-specific integrated circuit (ASIC), a microcontroller, or a system on a chip (SoC).
Additionally, the server device includes a fan circuit board that is connected to the controller and is responsible for detecting and transmitting control signals to the fan modules.
Overall, this patent describes a server device with advanced fan control capabilities, allowing for smooth transitions during fan module insertion and addressing abnormalities in fan module operation.
To know more about GlobalData’s detailed insights on Accton Technology, buy the report here.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
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.
