Patent · US Active

Radial shaft seal ring

US12372155B2 · kind B2 · utility

0Cited by

4References

10Claims

0Family size

Assignee

BRUSS SEALING SYSTEMS GMBH · DE

Inventors

Jan Specht · Hamburg, DE
Sebastian Teuscher · Hamburg, DE

Key dates

Filing date	Nov 28, 2023
Grant date	Jul 29, 2025
Priority date	—
Expiry date	Nov 28, 2043

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16J15/3244
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A radial shaft seal ring having a supporting body and connected to the supporting body a sealing element with a flexible sealing lip, which comprises a contact area for sealingly contacting a shaft, wherein in the contact area of the sealing lip a sealing edge, a plurality of circumferentially sinusoidal closed-loop, arranged in phase with one another and sinusoidal back-feeding channels formed between the swirl ribs are provided in the contact area of the sealing lip, wherein the radial shaft seal ring comprises a ring coil spring which is arranged on the side of the sealing lip opposite the contact area in order to exert a force directed radially inwards on the sealing lip.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.