Face Seal, Especially for Cooling Medium Pumps of Motor Vehicles

摘要

A face seal for cooling medium pumps of motor vehicles has a slide ring and a counter ring, wherein the slide ring and the counter ring are forced seal-tightly against one another by a magnetic force of attraction. The slide ring and the counter ring are magnets or one of the rings is a magnet and the other is made from ferromagnetic material. A secondary seal is provided that secures the slide ring.