Patent ID: 11906007
Assignee: HYUNDAI MOTOR COMPANY
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 8:
9. An S-cam brake comprising:
a brake chamber to which compressed air is supplied;
a slack adjuster rotatably connected to the brake chamber;
an S-cam unit having an S-cam connected to and rotating around the slack adjuster; and
a drum having a lining generating braking force with widening according to rotation of the S-cam,
wherein the brake chamber comprises:
an upper housing having an air supply port through which the compressed air is introduced;
a lower housing coupled to the upper housing to form an internal space; and
a diaphragm having edges fixed to the upper housing and the lower housing and deformed by the compressed air,

wherein a weight of the upper housing is 8.0 Kg to 9.7 Kg,
wherein a bottom surface of the upper housing comprises a channel connected to the air supply port, and
wherein the channel is formed of a groove having a ‘+’ shape, in bottom view.