Damping valve and shock absorber
US11655875B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2019 |
| Grant date | May 23, 2023 |
| Priority date | — |
| Expiry date | Jul 7, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F2234/02
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A damping valve includes a valve seat member, a first valve element stacked on the valve seat member, a second valve element provided between an inner circumference valve seat of the valve seat member and the first valve element, the second valve element being configured to open and close a hole of the first valve element, and a biasing member configured to bias the first valve element towards the second valve element, wherein a surface of the second valve element on an opposite side from the valve seat member is higher than the outer circumference valve seat of the valve seat member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.