EVs require air to cool their electric components, air conditioning, and battery, so a lower air intake with slats that can open for cooling or close for better aerodynamics is common. Air vents are metal plates that are found over holes throughout the home and are responsible for allowing air to enter and exit the air ducts.
This is accomplished by two types of air vents: supply and return vents. A variety of components in an EV require venting. Temperature changes in lighting, horns, electronics, powertrain, and other components are caused by weather, moisture, or heat from electronic circuits.
Temperature fluctuations cause pressure changes within the components. Ventilation systems are classified into four types: exhaust, supply, balanced, and heat-recovery.
The Global EV air vents market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
Eaton introduces a 3-in-1 EV battery pack vent valve. Eaton, a power management company, has introduced a 3-in-1 battery pack vent valve for EV batteries. The valve can perform three functions: battery case leak testing, as well as passive and active venting to provide battery pack overpressure relief.
According to the company, the leak-check mechanism eliminates the need to install the vent valve as the final step of battery assembly, and leak testing is more thorough because it includes testing the sealing surface of the vent after the vent valve has been assembled.
Eaton has also created a tool that enables manufacturers to activate the leak-check mechanism on their assembly lines, allowing for testing via pressurisation or vacuum. Its spring-based actuation allows it to meet a variety of opening pressure requirements with the same valve design, resulting in cost savings.
The valve has a low-flow breathing mode that allows air to flow through porous material to normalise pressure during normal operation, and its resealing technology allows manufacturers to specify extremely low opening pressures. “Thei new battery vent valve can be assembled using either their strong quick-connect feature or a screwed metal-to-metal connection,”
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