Disclosed is a sealing member for a master cylinder. The sealing member for a master cylinder, which is formed in a ring shape and is installed between an inner surface of a cylinder body and an outer surface of a piston, includes an inner wing part configured to contact the outer surface of the piston, an outer wing part configured to contact the inner surface of the cylinder body, and a sealing rear wall part configured to connect the inner wing part and the outer wing part. The sealing rear wall part is provided with an oil passage to connect an oil entrance formed at the inner wing part and an oil entrance formed at the outer wing part, and the oil passage includes a retardation passage which is longer than a shortest straight-line distance which directly connects the oil entrances.
Sealing member for master cylinder
2015-12-22
Patent
Electronic Resource
English
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
SEALING MEMBER FOR MASTER CYLINDER AND MASTER CYLINDER HAVING THE SAME
European Patent Office | 2017