A pressure relief valve includes a housing configured for installation into a duct opening of a duct, and a diffuser installed into the housing and movable between a closed position and an opened position along a valve axis. The diffuser includes a tubular diffuser body having an inlet opening at a first end, a diffuser cap located at a second end of the tubular diffuser body to close the tubular diffuser body at the second end, and one or more outlet openings located between the inlet opening and the diffuser cap. A biasing element biases a position of the diffuser toward the closed position. When an airflow pressure in the duct exceeds a threshold, the airflow urges the diffuser toward the opened position thus allowing the airflow to exit the pressure relief valve at the one or more outlet openings.
RELIEF VENT FOR HEATING VENTILATION AND AIR CONDITIONING SYSTEM
2024-07-25
Patent
Electronic Resource
English
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht |
Reduced pressure vent for heating, ventilation and air conditioning systems
European Patent Office | 2024
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