Disclosed is an air-operated brake actuator, including: a hollow upper housing; a hollow lower housing spaced apart from the upper housing in a lower direction; a coupling housing configured to couple and restrain the upper housing and the lower housing to each other; a piston disposed in the upper housing to divide an inside of the upper housing into a spring chamber and a pressure chamber disposed below the spring chamber; a hollow actuator rod disposed in the piston; a casing bolt head disposed at a lower end of the actuator rod and having an air flow hole formed therein; a pilot lip seal fixed to an outer surface of the casing bolt head to seal an outer end of the air flow hole; a compression spring installed in the spring chamber; a diaphragm disposed in the lower housing to divide an inside of the lower housing into a service chamber and a push rod chamber disposed below the service chamber; a pressure plate configured to contact a lower end of the diaphragm and move vertically along the diaphragm; and a push rod having one end vertically coupled to a lower end of the pressure plate and the other end located in the push rod chamber through a through hole of the upper housing.
BRAKE ACTUATOR HAVING SEALING STRUCTURE FOR INSIDE AIR CIRCULATION
BREMSAKTUATOR MIT DICHTUNGSANORDNUNG FÜR INTERNE LUFTZIRKULATION
ACTIONNEUR DE FREIN AYANT UNE STRUCTURE D'ÉTANCHÉITÉ POUR CIRCULATION D'AIR INTÉRIEURE
2019-03-20
Patent
Electronic Resource
English
BRAKE ACTUATOR HAVING SEALING STRUCTURE FOR INSIDE AIR CIRCULATION
European Patent Office | 2016
|Brake actuator having sealing structure for inside air circulation
European Patent Office | 2018
|BRAKE ACTUATOR HAVING SEALING STRUCTURE FOR INSDIE AIR CIRCULATION
European Patent Office | 2017
|BRAKE CHAMBER HAVING SEALING STRUCTURE FOR INTERNAL AIR CIRCULATION
European Patent Office | 2015
|Sealing element assembling apparatus about brake actuator
European Patent Office | 2016
|