Patent · US Active

Damping valve for a vibration damper

US11255399B2 · kind B2 · utility

0Cited by

23References

7Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Jörg Rösseler · Ruppichteroth, DE
Aleksandar Knezevic · Eitorf, DE
Steffen Heyn · Niederwerrn, DE
Guido Holtmann · Windeck, DE

Key dates

Filing date	Mar 4, 2019
Grant date	Feb 22, 2022
Priority date	—
Expiry date	Feb 4, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16F2232/08
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A damping valve includes a damping valve body with an annular groove which has a base and which is limited by an inner valve seat surface and an outer valve seat surface for at least one valve disk. The base of the annular groove has a maximum distance from the valve seat surface along a circumferential area and has a minimum axial distance from the valve seat surface in another circumferential area.

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