The invention relates to a spring brake actuator (1) for a vehicle, in particular a commercial vehicle, comprising a spring brake portion (3) and a service brake portion (5), wherein the spring brake portion (3) comprises a spring chamber (9) and a compression spring (10) mounted within the spring chamber (9), wherein the compression spring (10) is configured to generate a spring brake force, the service brake portion (5) comprises a pressure chamber (23) and a non-pressure chamber (25) separated from the pressure chamber (23) by a diaphragm (21), wherein the diaphragm (21) is elastically deformable upon pressure inside the pressure chamber (23).The inventions suggests that the spring chamber (10) of the spring brake portion (3) and the non-pressure chamber (25) of the service portion (5) are connected by at least one ventilation conduit (c) to be in fluid communication with each other, wherein the ventilation conduit (c) extends completely inside the spring brake actuator (1).
SPRING BRAKE ACTUATOR FOR A VEHICLE, IN PARTICULAR A COMMERCIAL VEHICLE
FEDERBREMSAKTUATOR FÜR EIN FAHRZEUG, INSBESONDERE EIN NUTZFAHRZEUG
ACTIONNEUR DE FREIN À RESSORT POUR VÉHICULE, EN PARTICULIER UN VÉHICULE UTILITAIRE
2020-11-18
Patent
Electronic Resource
English
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
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