SEALING RING FOR A PUMP ELEMENT OF A VEHICLE BRAKE SYSTEM

The present invention relates to a sealing ring (34) for a pump element of a hydraulic device in a vehicle brake system to seal a pump housing (16) against a pump piston (24) which is moved along an axis (12) inside the pump housing (16). A sealing surface (22) is attached to the pump piston (24). A...

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1. Verfasser: STOTZ ROLF
Format: Patent
Sprache:eng ; kor
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Zusammenfassung:The present invention relates to a sealing ring (34) for a pump element of a hydraulic device in a vehicle brake system to seal a pump housing (16) against a pump piston (24) which is moved along an axis (12) inside the pump housing (16). A sealing surface (22) is attached to the pump piston (24). A plurality of small-volume fluid reservoirs (36) for temporarily storing a brake fluid on the sealing surface (22) is formed on the sealing surface (22).