Damping valve and shock absorber using same
US7591352B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 29, 2005 |
| Grant date | Sep 22, 2009 |
| Priority date | — |
| Expiry date | Jun 23, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F9/464
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A damping valve (102) comprises: a first valve element (16); a first valve seat (15) in which the first valve element (16) is seated; a second valve element (26) placed in series with the first valve element (16); a second valve seat (25), placed between the first and second valve elements (16) and (26), in which the second valve element (26) is seated; an biasing mechanism (30) for biasing the second valve element (26) toward the second valve seat (25) and biasing the first valve element (16) toward the first valve seat (15) via the second valve element (26); a first liquid chamber (106); a second liquid chamber (104); and a third liquid chamber (107).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.