Patents Assigned to Dr. Walter Hunger Beteiligungs GmbH & Co. Besitz KG
  • Patent number: 10219669
    Abstract: A wiper unit includes a retaining ring, which is arranged in a rotationally symmetric fashion about a longitudinal axis and which includes a contact portion for being received at a housing part, a primary wiper and a secondary wiper, which is axially spaced away from the primary wiper towards the secondary side. A primary lip is formed at the primary wiper and a secondary lip is formed at the secondary wiper. The primary lip and the secondary lip, in a mounted state, contact a sliding surface of a guided slide partner part in a sealing fashion, wherein the primary lip protrudes towards the primary side in a collar-like fashion and wherein the primary lip, at the side thereof facing away from the guided slide partner part, is at least sectionally conically tapered towards the primary side, wherein the primary lip comprises a contact surface arranged for abutting the sliding surface.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: March 5, 2019
    Assignee: Dr. Walter Hunger Beteiligungs GmbH & Co. Besitz KG
    Inventor: Ingrid Hunger
  • Patent number: 10088045
    Abstract: The disclosure relates to a seal set, and to a sealing arrangement comprising a seal set. The seal set is arranged for sealing a primary side against a secondary side and comprises a main body which is arranged to be received at a support part, and a slide ring for contacting a slide surface of a slide partner part, wherein the main body is arranged in an annular fashion and comprises a radial circumferential receiving groove for the slide ring, wherein further a radial circumferential sealing lip is provided at the main body, which is formed between the receiving groove for the slide ring and a secondary-side end of the main body, wherein the sealing lip comprises a tip region and a conical ring surface adjoining the tip region, and wherein the slide ring, in a mounted state, at least sectionally covers the receiving groove, a primary-side adjoining surface adjoining the receiving groove, and the conical ring surface.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: October 2, 2018
    Assignee: Dr. Walter Hunger Beteiligungs GmbH & Co. Besitz KG
    Inventor: Ingrid Hunger