Eagleburgmann Germany Gmbh & Co. Kg

Felix Meier

Joachim Otschik

Petia Philippi

The invention relates to a mechanical seal arrangement comprising a mechanical seal () having a rotating seal ring () and a stationary seal ring () defining a seal gap () therebetween, a secondary seal () arranged on a back surface of one of the seal rings facing away from a sealing surface of the seal ring, the secondary seal () being made of a base material and having a coating () such that a material bond is formed between the coating () and the base material of the secondary seal, the secondary seal () being made of a base material and having a coating () such that a substance-to-substance connection is formed between the coating () and the base material of the secondary seal, a sleeve-shaped member () arranged radially inside the secondary seal (), wherein a gap () having a gap height (H) is present between the sleeve-shaped component () and a region of one of the sliding rings facing radially inwards, the secondary seal () seals against the back side of this slide ring and the sleeve-shaped component (), wherein the coating () is provided on a first side () of the secondary seal (), which first side facing the sliding ring, and a second side () of the secondary seal () which second side facing the sleeve-shaped component (), wherein a stiffness of the coating () is greater than a stiffness of the base material of the secondary seal () and wherein a thickness (D) of the coating is smaller than or equal to a gap height (H) of the gap ().

Growing community of inventors

Taufkirchen, Germany

Felix Meier