END FACE SEAL OF TANK ON HYDRAULIC DRIVE MASTER CYLINDER Russian patent published in 2003 - IPC

FIELD: transport engineering; vehicle hydraulic systems. SUBSTANCE: proposed end face seal of tank on master cylinder of hydraulic drive includes master cylinder housing and tank arranged at outer end face of bottom part with central recuperation hole. Tank is installed on cylinder housing through its mounting cylindrical part. Two ring-shaped projections are made on surface of seal with central hole. Part of tank is made with inner diameter D₁ corresponding to outer diameter D₂ of cylinder housing and is provided with end face wall on which cylindrical projection is made. Seal mounted on projection is in contact, through first and second end faces, with wall of part of tank and with outer end face of housing between which seal is clamped. Recess is made on first end face of seal with conical surface coaxial with its central hole. Said conical surface is mated with conical surface of starting face of its central hole. Projection is made on second end face of seal with conical surface coaxial with hole of seal and forming ring-shaped sharp edge in connection with surface of central hole of seal. Slot is made on side surface of seal forming two ring-shaped parts. EFFECT: improved reliability of seal. 4 cl, 2 dwg